Product Summary

Attributes

Image Products >> Product Log >> Attributes

Product Identification

Real User	Lisbeth Fogh Olsen
Product Creation Date	15-Nov-2004
Product Creation Time	21:15:51
User	eisdata
Session	71094
Process	5000010
Product Type	stack
Survey	XMM
Telescope	MPI-2.2
Instrument	WFI
Region	XMM-01
Field	J0925.7-4758
Passband	I
Total Exposure Time (seconds)	8998

General Properties

Right Ascension (decimal degrees)	141.4651
Declination (decimal degrees)	-47.9692
Galactic Longitude, l	271.3662
Galactic Latitude, b	1.897
Total Exposure Time (seconds)	8998
Number of Contributing Frames	3
First Contributing Frame MJD	52668.2417
Lsat Contributing Frame MJD	52676.1414
First Contributing Frame Civil Date	2003-01-29
Last Contributing Frame Civil Date	2003-02-06
Interval between First/Last Contributing Frames (days)	7.9
Number of Photometric Contributing Frames	2
Number of Rejected Frames	0
Number of Stacked Frames	3
Effective Gain	19270.5
Effective Non-linearity	N/A
Effective Saturation	N/A
Area of maximum overlap in stacked image (arcmin2)	1043.5
Fraction of instrument FOV of area of stacked image with maximum overlap	0.9

Aperture Limiting Magnitudes

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

1.0	26.525	25.765	25.325	25.015	24.775
2.0	24.835	24.085	23.645	23.335	23.085
3.0	24.165	23.405	22.965	22.655	22.415
4.0	23.215	22.465	22.025	21.715	21.465
5.0	23.095	22.335	21.895	21.585	21.345
6.0	22.465	21.715	21.275	20.965	20.725

PSF

Measured Seeing (arcsec)	0.686
Measured Seeing (pixels)	2.884
PSF Distortion along X-axis (E-W), e1	-0.007
PSF Distortion along Y-axis (N-S), e2	-0.005
PSF Distortion rms	0.063

Pixel Distribution

Mean Count (ADU)	0.219
Standard Deviation of Count (ADU)	5.322
Mean Sigma-Clipped Background Count (ADU)	-0.007
Standard Deviation of Sigma-Clipped Background Count (ADU)	0.022

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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	21:15:51
User	eisdata
Session	71094
Process	5000010
Product Type	stack
Survey	XMM
Telescope	MPI-2.2
Instrument	WFI
Region	XMM-01
Field	J0925.7-4758
Passband	I
Total Exposure Time (seconds)	8998

Stack Blocks (SB)

Number of Original Frames Input	3
Number of Photometric Frames	2
Number of Rejected Frames	0
Number of Stacked Frames	3
Mean Airmass of Contributing Frames	1.07
Mean Seeing of Contributing Frames (arcsec)	0.7
Mean of rms PSF Distortions of Contributing Frames	0.063
Mean Sky Brightness of Contributing Frames (magnitudes/arcsec2)	19.0

Frames in SB: Observations

#	R.A.	Dec.	Passband	MJD	Civil Date	Airmass	Total Exposure Time
1	141.4412	-47.9709	I	52668.2417483	2003-01-29	1.07511807795	2999.1744
2	141.4718	-47.9621	I	52675.1723999	2003-02-05	1.06250006205	2999.1757
3	141.4823	-47.9745	I	52676.1414426	2003-02-06	1.08584914068	2999.1758

Frames in SB: Properties

#	Instrument	Filter	Pixel Scale	NDIT	Astrometric System	Photometric Flag	Visual Flag	Automatic Flag
1	WFI	#879	0.238	10	GSC2.2	PHOTOM	A
2	WFI	#879	0.238	10	GSC2.2	-	A
3	WFI	#879	0.238	10	GSC2.2	PHOTOM	A

Frames in SB: Attributes

#	Seeing (arcsec)	PSF Distortion (rms)	Sky Brightness (magnitudes/arcsec2)	Limiting magnitude (5 sigma - 2 arcsec)
1	0.77	0.059	18.89	N/A
2	0.62	0.061	19.04	N/A
3	0.71	0.068	18.93	N/A

Frames in SB: Photometry (Vega)

#	MJD.	Civil Date	Solution Type	Zeropoint	Zp error	Extinction	Chi2
1	52667.625	2003-01-28	N/A	23.36	0.058	0.089	0.058
2	52675.1723999	2003-02-05	N/A	23.37	-2.0	0.0	-2.0
3	52675.625	2003-02-05	N/A	23.31	0.005	0.067	0.0549

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	3582.0	3615.0	141.5	-48.0
2	TAN	DEFAULT	GSC2.2	4005.0	3477.0	141.5	-48.0
3	TAN	DEFAULT	GSC2.2	4120.0	3653.0	141.5	-48.0

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Calibration

Comparison

QC Parameters