Product Summary

Attributes

Image Products >> Product Log >> Attributes

Product Identification

Real User	Lisbeth Fogh Olsen
Product Creation Date	15-Nov-2004
Product Creation Time	22:34:39
User	eisdata
Session	71094
Process	5000010
Product Type	stack
Survey	XMM
Telescope	MPI-2.2
Instrument	WFI
Region	XMM-08
Field	NGC4666
Passband	B
Total Exposure Time (seconds)	1800

General Properties

Right Ascension (decimal degrees)	191.2835
Declination (decimal degrees)	-0.4548
Galactic Longitude, l	299.5325
Galactic Latitude, b	62.3756
Total Exposure Time (seconds)	1800
Number of Contributing Frames	3
First Contributing Frame MJD	52729.26
Lsat Contributing Frame MJD	52729.2764
First Contributing Frame Civil Date	2003-03-31
Last Contributing Frame Civil Date	2003-03-31
Interval between First/Last Contributing Frames (days)	0.02
Number of Photometric Contributing Frames	3
Number of Rejected Frames	0
Number of Stacked Frames	3
Effective Gain	4452.5
Effective Non-linearity	N/A
Effective Saturation	N/A
Area of maximum overlap in stacked image (arcmin2)	1042.4
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	28.33	27.57	27.13	26.82	26.58
2.0	27.46	26.71	26.27	25.95	25.71
3.0	26.74	25.99	25.55	25.24	25.0
4.0	25.8	25.04	24.6	24.29	24.05
5.0	25.76	25.0	24.56	24.25	24.01
6.0	25.62	24.87	24.43	24.12	23.87

PSF

Measured Seeing (arcsec)	1.282
Measured Seeing (pixels)	5.385
PSF Distortion along X-axis (E-W), e1	0.019
PSF Distortion along Y-axis (N-S), e2	0.006
PSF Distortion rms	0.062

Pixel Distribution

Mean Count (ADU)	0.024
Standard Deviation of Count (ADU)	1.773
Mean Sigma-Clipped Background Count (ADU)	-0.0
Standard Deviation of Sigma-Clipped Background Count (ADU)	0.019

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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	22:34:39
User	eisdata
Session	71094
Process	5000010
Product Type	stack
Survey	XMM
Telescope	MPI-2.2
Instrument	WFI
Region	XMM-08
Field	NGC4666
Passband	B
Total Exposure Time (seconds)	1800

Stack Blocks (SB)

Number of Original Frames Input	3
Number of Photometric Frames	3
Number of Rejected Frames	0
Number of Stacked Frames	3
Mean Airmass of Contributing Frames	1.25
Mean Seeing of Contributing Frames (arcsec)	1.25
Mean of rms PSF Distortions of Contributing Frames	0.098
Mean Sky Brightness of Contributing Frames (magnitudes/arcsec2)	21.95

Frames in SB: Observations

#	R.A.	Dec.	Passband	MJD	Civil Date	Airmass	Total Exposure Time
1	191.28684	-0.46061	B	52729.2599638	2003-03-31	1.21812859878	359.9175
2	191.26741	-0.45473	B	52729.2654895	2003-03-31	1.24398448782	719.8351
3	191.29623	-0.44897	B	52729.2763868	2003-03-31	1.28553218954	719.8349

Frames in SB: Properties

#	Instrument	Filter	Pixel Scale	NDIT	Astrometric System	Photometric Flag	Visual Flag	Automatic Flag
1	WFI	#878	0.238	1	GSC2.2	PHOTOM	A
2	WFI	#878	0.238	2	GSC2.2	PHOTOM	A
3	WFI	#878	0.238	2	GSC2.2	PHOTOM	A

Frames in SB: Attributes

#	Seeing (arcsec)	PSF Distortion (rms)	Sky Brightness (magnitudes/arcsec2)	Limiting magnitude (5 sigma - 2 arcsec)
1	1.18	0.114	21.74	N/A
2	1.35	0.091	21.71	N/A
3	1.22	0.088	21.7	N/A

Frames in SB: Photometry (Vega)

#	MJD.	Civil Date	Solution Type	Zeropoint	Zp error	Extinction	Chi2
1	52728.667	2003-03-30	N/A	24.71	0.003	0.184	0.0392
2	52728.667	2003-03-30	N/A	24.71	0.003	0.184	0.0392
3	52728.667	2003-03-30	N/A	24.71	0.003	0.184	0.0392

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	8318.0	-4374.0	191.0	-1.0
2	TAN	DEFAULT	GSC2.2	8171.0	-4201.0	191.0	-1.0
3	TAN	DEFAULT	GSC2.2	8608.0	-4288.0	191.0	-1.0

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Calibration

Comparison

QC Parameters