QHY-174M-GPS Camera as the Device for Photometry of Artificial Satellites

Figures & Tables

Left: star profile with Moffat 2D function fit (red). Right: Residuals.

Model	QHY174GPS M
Sensor	SONY IMX174 CMOS
Pixel Size	5.86 μm ×5.86 μm
Effective Pixel Area	1920 × 1200
Effective Image Area	11.25mm×7.03mm
QE	78%
AD Sample Depth	12/10bit (output as 16bit and 8bit)
Frame Rate	138FPS@1936×1216, 260FPS@960×600
Readout Noise	5.3e-@Gain0% 2.8e-@Gain60% 1.6e-@Gain100%
Exposure Time Range	from 5 μs to 900 sec
Binning	1×1,2×2
Anti-Glow Control	Yes (Reduces amplifier glow significantly)
Shutter Type	Electric Global Shutter
Computer Interface	USB 3.0 Super Speed
Cooling System	Dual Stage TEC cooler (-40C below ambient)
Time-Stamp Precision	1 micro-second of the GPS UTC clock

Function	Gauss	Lorentz	Moffat
R²	0.8623	0.9166	0.9477

Star Name	m_V	m_R	V-R	SpType	Star Name	m_V	m_R	V-R	SpType
SA 112 275	9.905	9.258	0.647	K2D	SA 113 366	13.537	12.914	0.623	–
SA 112 595	11.352	10.453	0.899	K2:III D	SA 113 177	13.560	13.104	0.456	–
SA 112 223	11.424	11.151	0.273	F5D	SA 113 195	13.692	13.274	0.418	–
SA 112 704	11.452	10.630	0.822	–	SA 113 272	13.904	13.534	0.370	–
SA 112 822	11.549	10.991	0.558	G8:IIID	SA 113 307	14.214	13.584	0.630	–
SA 112 805	12.086	12.023	0.063	A0D	SA 113 182	14.370	13.968	0.402	–
SA 112 250	12.095	11.778	0.317	F8D	SA 114 176	9.239	8.439	0.800	K4/5E
SA 113 466	10.004	9.723	0.281	F5D	SA 114 670	11.101	10.456	0.645	K1.5:IIID
SA 113 475	10.306	9.736	0.570	G5D	SA 114 548	11.601	10.863	0.738	K2D
SA 113 342	10.878	10.341	0.537	–	SA 114 654	11.833	11.465	0.368	G0D
SA 113 156	11.224	10.921	0.303	–	SA 114 750	11.916	11.889	0.027	B9D
SA 113 259	11.742	11.121	0.621	K0:III D	SA 114 446	12.064	11.667	0.397	–
SA 113 493	11.767	11.337	0.430	G5D	SA 114 656	12.644	12.097	0.547	K1:IIID
SA 113 440	11.796	11.433	0.363	–	SA 115 271	9.695	9.342	0.353	F8D
SA 113 459	12.125	11.818	0.307	–	SA 115 516	10.434	9.871	0.563	G8IVD
SA 113 492	12.174	11.832	0.342	G0E	SA 115 420	11.161	10.875	0.286	F5D
SA 113 339	12.250	11.910	0.340	F8D	SA 115 554	11.812	11.226	0.586	K1.5:IIIC
SA 113 191	12.337	11.866	0.471	–	SA 115 412	12.209	11.882	0.327	–
SA 113 495	12.437	11.925	0.512	G:D	SA 115 268	12.494	12.128	0.366	–
SA 113 158	13.116	12.709	0.407	–