BHEX Mini
Secondary Science Targets
Ref Bari
Secondary Science Targets
Secondary Science Targets
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287Â (Binary Black Hole System)
NRAO530 (Quasar)
J1924-2914Â (Quasar)
CTA 102 (Quasar)
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
How bright is the target?
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
How bright is the target?
How big is the target?
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
How bright is the target?
How big is the target?
What's the distance between my telescopes?
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
How bright is the target?
How big is the target?
What's the distance between my telescopes?
What frequency am I observing the source?
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
How bright is the target?
How big is the target?
What's the distance between my telescopes?
What frequency am I observing the source?
Baseline Length (Gλ)
Combine Baseline Length & Frequency
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
How bright is the target?
How big is the target?
What's the distance between my telescopes?
What frequency am I observing the source?
Baseline Length (Gλ)
Combine Baseline Length & Frequency
How bright is the target in my telescope?
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
How bright is the target?
How big is the target?
What's the distance between my telescopes?
What frequency am I observing the source?
Baseline Length (Gλ)
Combine Baseline Length & Frequency
How bright is the target in my telescope?
Angular Resolution
What radio targets can I resolve?
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
How bright is the target?
How big is the target?
What's the distance between my telescopes?
What frequency am I observing the source?
Baseline Length (Gλ)
Combine Baseline Length & Frequency
How bright is the target in my telescope?
Angular Resolution
What radio targets can I resolve?
Field of View
How much of the sky can I see?
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Visibility Amplitude
Baseline Length
Observing Frequency
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Visibility Amplitude
Baseline Length
Observing Frequency
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
How bright is the target?
How big is the target?
What's the distance between my telescopes?
What frequency am I observing the source?
Baseline Length (Gλ)
Combine Baseline Length & Frequency
How bright is the target in my telescope?
Angular Resolution
What radio targets can I resolve?
Field of View
How much of the sky can I see?
🎯 Secondary Science Targets
OJ 287
NRAO530
J1924-2914
CTA 102
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
400 \text{ km}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
400 \text{ km}
12,000 \text{ km}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
+ 400 \text{ km}
12,000 \text{ km}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{B}{\lambda}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
Angular Resolution
Field of View
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
f = 86 \text{ GHz}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
f = 86 \text{ GHz} \to c=f\lambda
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
f = 86 \text{ GHz} \to c=f\lambda\to \lambda = \frac{c}{f}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
f = 86 \text{ GHz} \to c=f\lambda\to \lambda = \frac{c}{f}=\frac{3*10^8 m/s}{86*10^9 Hz}
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
f = 86 \text{ GHz} \to c=f\lambda\to \lambda = \frac{c}{f}=\frac{3*10^8 m/s}{86*10^9 Hz}=0.0034 m
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{\lambda}
\lambda=0.0034 m
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{0.0034 m}
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 \text{ km}}{0.0034 m * 10^9}
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=\frac{12,400 *10^3\text{ m}}{0.0034 \text{ m} * 10^9}
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
B(G\lambda)=3.5 G\lambda
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(b)=S \times \exp \left(-\frac{\pi^2 \theta^2 b^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(b)=S \times \exp \left(-\frac{\pi^2 \theta^2 b^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(b)=S \times \exp \left(-\frac{\pi^2 \theta^2 b^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(b)=S \times \exp \left(-\frac{\pi^2 \theta^2 b^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(3.5 G\lambda)=S \times \exp \left(-\frac{\pi^2 \theta^2 (3.5*10^9)^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(3.5 G\lambda)=S \times \exp \left(-\frac{\pi^2 (172.9 \mu as)^2 (3.5*10^9)^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(3.5 G\lambda)=(2.49 Jy) \times \exp \left(-\frac{\pi^2 (172.9 \mu as)^2 (3.5*10^9)^2}{4 \ln 2}\right)
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(3.5 G\lambda)=3 Jy
🎯 Secondary Science Targets
OJ 287
Flux Density
Angular Size
Baseline Length
Observing Frequency
Visibility Amplitude
Baseline Length (Gλ)
2.49 \text{Jy}
172.9 \mu as
12,400 \text{ km}
86 \text{ GHz}
3.5 G\lambda
Angular Resolution
Field of View
V(3.5 G\lambda)=S \times \exp \left(-\frac{\pi^2 (172.9 \mu as)^2 (3.5*10^9)^2}{4 \ln 2}\right)
🎯 Antenna Diameter
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\text{How does thermal load on antenna scale vary}
\text{ as a function of orbital phase?}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\text{How does thermal load on antenna scale vary}
\text{ as a function of orbital phase?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\text{How does thermal load on antenna scale vary}
\text{ as a function of orbital phase?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\text{How does thermal load on antenna scale vary}
\text{ as a function of orbital phase?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
\theta_{beam} = 1.22 \frac{\lambda}{D}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
\theta_{beam} = 1.22 \frac{\lambda}{D}
M = \sigma \cdot (\pi D^2/4)
\text{How does thermal load on antenna scale vary}
\text{ as a function of orbital phase?}
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
\theta_{beam} = 1.22 \frac{\lambda}{D}
M = \sigma \cdot (\pi D^2/4)
\text{How does thermal load on antenna scale vary}\text{ as a function of orbital phase?}
P = \Phi \cdot A \cdot \alpha
🎯 Antenna Diameter
For A Fixed Antenna Diameter ...
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
\theta_{beam} = 1.22 \frac{\lambda}{D}
M = \sigma \cdot (\pi D^2/4)
\text{How does thermal load on antenna scale vary as a function of time?}
P = \Phi \cdot A \cdot \alpha
🎯 Antenna Diameter
\text{How does SEFD vary with temperature?
}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
🎯 Antenna Diameter
\text{How does SEFD vary with temperature?
}
🎯 Antenna Diameter
D= 1m
D= 2m
D= 3m
\text{How does SEFD vary with temperature?
}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
🎯 Antenna Diameter
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
\theta_{beam} = 1.22 \frac{\lambda}{D}
M = \sigma \cdot (\pi D^2/4)
\text{How does thermal load on antenna scale vary as a function of time?}
P = \Phi \cdot A \cdot \alpha
🎯 Antenna Diameter
\text{How does Thermal Noise vary with temperature?}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
🎯 Antenna Diameter
🎯 Antenna Diameter
\text{How does Thermal Noise vary with }T_{sys}?
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
🎯 Antenna Diameter
D= 1m
D= 2m
D= 3m
🎯 Antenna Diameter
\text{How does SEFD vary with temperature?
}
\text{How does Thermal Noise vary with temperature?}
\text{How does FOV depend on observing frequency?}
\text{How does mass depend on areal density?}
\mathrm{SEFD}_S=\frac{2 k_{\mathrm{B}} T_{\mathrm{sys}}^*}{\eta_{\mathrm{A}} A}
\sigma_{GS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{G}} \mathrm{SEFD}_{\mathrm{S}}}{2 \Delta \nu \Delta t}}
\sigma_{SS}=\frac{1}{\eta_{\mathrm{Q}}} \sqrt{\frac{\mathrm{SEFD}_{\mathrm{BHEX-Mini}} \mathrm{SEFD}_{\mathrm{BHEX}}}{2 \Delta \nu \Delta t}}
\theta_{beam} = 1.22 \frac{\lambda}{D}
M = \sigma \cdot (\pi D^2/4)
\text{How does thermal load on antenna scale vary as a function of time?}
P = \Phi \cdot A \cdot \alpha
🎯 Antenna Diameter
\text{How does FOV depend on observing frequency?}
\theta_{beam} = 1.22 \frac{\lambda}{D}
🎯 Antenna Diameter
🎯 Antenna Diameter
\text{How does FOV depend on } f_{obs}?
\theta_{beam} = 1.22 \frac{\lambda}{D}
🎯 Antenna Diameter
D= 1m
D= 2m
D= 3m
🎯 Antenna Diameter
D= 1m
D= 2m
D= 3m
🎯 Antenna Diameter
D= 1m
D= 2m
D= 3m
🎯 Antenna Diameter
D= 1m
D= 2m
D= 3m
BHEX Mini | 05/18 Update
By Ref Bari
BHEX Mini | 05/18 Update
Calculating Visibility Amplitudes for Secondary Science Targets for BHEX Mini Mission Proposal
