Product Summary

Attributes

Image Products >> Product Log >> Attributes

Product Identification

Real User	Lisbeth Fogh Olsen
Product Creation Date	15-Nov-2004
Product Creation Time	21:07:38
User	eisdata
Session	71095
Process	5000010
Product Type	stack
Survey	XMM
Telescope	MPI-2.2
Instrument	WFI
Region	XMM-12
Field	WR_46
Passband	V
Total Exposure Time (seconds)	3519

General Properties

Right Ascension (decimal degrees)	181.3505
Declination (decimal degrees)	-62.0551
Galactic Longitude, l	297.5683
Galactic Latitude, b	0.3363
Total Exposure Time (seconds)	3519
Number of Contributing Frames	3
First Contributing Frame MJD	52725.264
Lsat Contributing Frame MJD	52725.2899
First Contributing Frame Civil Date	2003-03-27
Last Contributing Frame Civil Date	2003-03-27
Interval between First/Last Contributing Frames (days)	0.03
Number of Photometric Contributing Frames	2
Number of Rejected Frames	1
Number of Stacked Frames	2
Effective Gain	10464.5
Effective Non-linearity	N/A
Effective Saturation	N/A
Area of maximum overlap in stacked image (arcmin2)	1072.2
Fraction of instrument FOV of area of stacked image with maximum overlap	1.0

Aperture Limiting Magnitudes

Aperture (arcsec)	1 sigma	2 sigma	3 sigma	4 sigma	5 sigma

1.0	26.77	26.02	25.58	25.27	25.03
2.0	25.24	24.49	24.05	23.73	23.49
3.0	24.41	23.66	23.22	22.91	22.67
4.0	23.61	22.86	22.42	22.11	21.86
5.0	22.48	21.72	21.28	20.97	20.73
6.0	22.92	22.17	21.73	21.42	21.17

PSF

Measured Seeing (arcsec)	0.786
Measured Seeing (pixels)	3.302
PSF Distortion along X-axis (E-W), e1	0.002
PSF Distortion along Y-axis (N-S), e2	-0.008
PSF Distortion rms	0.085

Pixel Distribution

Mean Count (ADU)	0.683
Standard Deviation of Count (ADU)	9.875
Mean Sigma-Clipped Background Count (ADU)	-0.006
Standard Deviation of Sigma-Clipped Background Count (ADU)	0.033

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Stack Blocks

Image Products >> Product Log >> Stack Blocks

Product Identification

Real User	Lisbeth Fogh Olsen
Product Creation Date	15-Nov-2004
Product Creation Time	21:07:38
User	eisdata
Session	71095
Process	5000010
Product Type	stack
Survey	XMM
Telescope	MPI-2.2
Instrument	WFI
Region	XMM-12
Field	WR_46
Passband	V
Total Exposure Time (seconds)	3519

Stack Blocks (SB)

Number of Original Frames Input	3
Number of Photometric Frames	2
Number of Rejected Frames	1
Number of Stacked Frames	2
Mean Airmass of Contributing Frames	1.93
Mean Seeing of Contributing Frames (arcsec)	1.305
Mean of rms PSF Distortions of Contributing Frames	0.1
Mean Sky Brightness of Contributing Frames (magnitudes/arcsec2)	20.77

Frames in SB: Observations

#	R.A.	Dec.	Passband	MJD	Civil Date	Airmass	Total Exposure Time
1	181.33036	-62.0521	V	52725.2639812	2003-03-27	1.2830293632	1759.6701
2	181.37054	-62.05819	V	52725.2898886	2003-03-27	1.35806808376	1759.6701
3	181.33027	-62.05188	V	52726.1266012	2003-03-28	1.21288445188	2199.5879

Frames in SB: Properties

#	Instrument	Filter	Pixel Scale	NDIT	Astrometric System	Photometric Flag	Visual Flag	Automatic Flag
1	WFI	#843	0.238	4	GSC2.2	PHOTOM	B
2	WFI	#843	0.238	4	GSC2.2	PHOTOM	B
3	WFI	#843	0.238	5	GSC2.2	PHOTOM	D

Frames in SB: Attributes

#	Seeing (arcsec)	PSF Distortion (rms)	Sky Brightness (magnitudes/arcsec2)	Limiting magnitude (5 sigma - 2 arcsec)
1	0.81	0.061	20.83	N/A
2	0.74	0.066	20.72	N/A
3	1.06	0.073	20.77	N/A

Frames in SB: Photometry (Vega)

#	MJD.	Civil Date	Solution Type	Zeropoint	Zp error	Extinction	Chi2
1	52724.667	2003-03-26	N/A	24.36	0.011	0.326	0.0513
2	52724.667	2003-03-26	N/A	24.36	0.011	0.326	0.0513
3	52725.667	2003-03-27	N/A	24.11	0.028	0.153	0.0278

Frames in SB: Astrometry

#	Projection	Orientation	Astrometric Reference Catalogue	Reference Pixel: X	Reference Pixel: Y	Reference Pointing: Right Ascension	Reference Pointing: Declination
1	TAN	DEFAULT	GSC2.2	2927.0	4735.0	181.5	-62.0
2	TAN	DEFAULT	GSC2.2	3072.0	4732.0	181.5	-62.0
3	TAN	DEFAULT	GSC2.2	3078.0	4730.0	181.5	-62.0

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Calibration

Comparison

QC Parameters