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Catalog Products >> Product Log >> Summary
Product Identification
Real UserLisbeth Fogh Olsen
Product Creation Date2005-08-26
Product Creation Time13:42:32.409
Usereisdata
Session75285
ProcessLocal
Product TypeSINGLE PASSBAND
Extraction MethodSExtractor
Extraction VersionSExtractor 2.3.2
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP2b
Fielddeep2b_28
PassbandJ
ESO Filter##001
Total Exposure Time (seconds)5340
Product Information
InstrumentSOFI
PassbandJ
ESO Filter##001
Magntude Type used for ReportingMAG_AUTO
Right Ascension (hh:mm:ss.s)03:35:27.2
Declinaton (dd:mm:ss.s)-27:46:33.6
Right Ascension (decimal degrees)53.8633
Declinaton (decimal degrees)-27.7760
Galactic longitude (degrees)223.6886
Galactic latitude (degrees)-53.7796
Total Exposure Time (seconds)5340
Image File NameEIS.2005-07-30T16:19:59.058.fits
Catalog File NameEIS.2005-08-26T14:20:28.394.fits
Primary Catalog Information
Product TypeSINGLE PASSBAND
Total Area (square degrees)0.0095
Trimmed Area (square degrees)0.0012
Masked Area (square degrees)0.0002
Number of Extracted Objects1439
Number of Saturated Objects3
Number of Objects with SExtractor Flag > 0255
Number of Objects inside trimmed area163
Number of Objects inside masked area55
80% Completeness Limit (Vega)22.63
50% Completeness Limit (Vega)23.00
Average Magnitude for Objects with MAG_AUTO error = 0.2 (Vega)22.41
Science Catalog Information
Magnitude Type used for FilteringMAG_AUTO
Signal-to-Noise limit3.0
Classification Magnitude Limit18.0
ClassStar Limit for selecting stars0.9
Limiting Magnitude for Masking0
Mask Size Factor (Half Diagonal=factor*A_WORLD)20
Maximum Half Diagonal for Masks (arcsecs)126
Total Area (square degrees)0.0095
Trimmed Area (square degrees)0.0012
Masked Area (square degrees)0.0002
Effective Area (square degrees)0.0081
Number of Extracted Objects758
Number of Galaxies543
Number of Stars4
Number of Saturated Objects3
Number of Objects with SExtractor Flag > 0177
Number of Objects in trimmed area72
Number of Objects in masked area15
80% Completeness Limit (Vega)21.38
50% Completeness Limit (Vega)22.31
Average Magnitude for Objects with MAG_AUTO error = 0.2 (Vega)22.41
Catalog Contents
Number of Columns in OBJECTS table69
Number of Objects758
Number of Columns in FIELDS table110
Number of Entries in FIELDS table1
Number of Columns in MASKS table1
Number of Masks3
Number of Automatic Masks3
Number of Masks generated by hand0
Number of Columns in FILTER table4
Number of Entries in FILTER table3334
Instrument Properties
InstrumentSOFI
Pixel Scale (arcsec)0.29
Field-of-View (square arcmin)0.0067
Gain (electrons/ADU)-
Non-linearity (ADU)N/A
Saturation (ADU)10000.0
Effective Gain (electrons/)29552.9
Effective Non-linearity (ADU)N/A
Effective Saturation (ADU)337.0
Filter Properties
PassbandJ
ESO Filter ##001
Mean Wavelength (Angstrom)12534.5
FWHM (Angstrom)2887.0
AB correction0.904
AB correction applied to magnitudes in the catalog0.904
Average E(B-V)0.011
Standard Deviation of E(B-V)0.00023
Relative Extinction ( A/E(B-V) )0.879
Computed Extinction Correction0.01
Computed Standard Deviation of Extinction Correction0.0002
Extinction Correction applied to magnitudes in the catalog0.007
Telescope Response and Filter Transmission Curves
Telescope response function (green) and filter transmission (red) curves
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ScienceGrade Summary
Catalog Products >> Product Log >> Primary Catalog >> Attributes
Product Identification
Real UserLisbeth Fogh Olsen
Product Creation Date2005-08-26
Product Creation Time13:42:32.409
Usereisdata
Session75285
ProcessLocal
Product TypeSINGLE PASSBAND
Extraction MethodSExtractor
Extraction VersionSExtractor 2.3.2
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP2b
Fielddeep2b_28
PassbandJ
ESO Filter##001
Total Exposure Time (seconds)5340
Product Information
RA (center of catalog)53.8633
Dec (center of catalog)-27.7760
Maximum RA of catalog (degrees)53.9127
Minimum RA of catalog (degrees)53.8085
RA interval (arcmin)0.10
Maximum Dec of catalog (degrees)-27.7303
Minimum Dec of catalog (degrees)-27.8201
Dec interval (arcmin)0.09
Total area of catalog (square degrees)0.0095
Object Statistics
Total Number of Objects1439
Number of Objects inside Trimmed Area163
Number of Objects inside Masked Area 55
Number of Objects with SExtractor Flag > 0255
Star/Galaxy Classification
Magnitude Type for ClassificationMAG_AUTO
Star/Galaxy Classification Method adoptedSimple Method
Magnitude Limit Applied for "Simple" Star/Galaxy Classification 18.0
CLASS_STAR Limit Applied for "Simple" Star/Galaxy Classification 0.9
Galaxy/Star Classification
Adopted star/galaxy separation method using stellar index. 
Limiting Magnitude (VEGA)
Aperture Magnitudes
Aperture (arcsec)(S/N = 1) (S/N = 2) (S/N = 3) (S/N = 5) (S/N = 10)
1.0-23.4923.3822.9622.25
1.5-23.4322.9322.4121.72
2.0-23.2022.5422.1821.48
2.523.4122.8122.3921.9921.22
3.023.7322.6322.0721.6721.10
3.523.3122.3321.9021.5620.87
4.023.2422.0321.7121.5320.56
4.522.9122.0321.9721.4320.62
5.022.5822.1521.8621.2320.35
10.022.2721.4121.1720.4919.91
Other Magnitudes
Magnitude Type(S/N = 1) (S/N = 2) (S/N = 3) (S/N = 5) (S/N = 10)
MAG_AUTO22.7623.0122.9421.5920.56
MAG_ISO-23.9423.5222.3821.33
MAG_ISOCOR--23.3322.3321.03
Simulation Results
Number of Simulated Images3
Fading Factor3.0,3.5,4.0
Limiting Magnitude at 80% completeness (Vega)22.63
Limiting Magnitude at 50% completeness (Vega)23.00
Catalog Completeness
Completeness of the catalog estimated from the comparison between real and simulated data.
The simulations were created by fading the original image by 0.5 magnitudes but keeping the same background noise
Estimate of Magnitude errors and bias
Average of SExtractor magnitude error
Results from using the Negative Image
Statistics of Spurious Objects
Fraction of false positives as a  function of magnitude for different values of S/N
Spatial Distribution of Spurious Objects
Spatial distribution of spurious objects estimated from false positives
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Primary Attributes
Catalog Products >> Product Log >> Science Grade Catalog >> Attributes
Product Identification
Real UserLisbeth Fogh Olsen
Product Creation Date2005-08-26
Product Creation Time13:42:32.409
Usereisdata
Session75285
ProcessLocal
Product TypeSINGLE PASSBAND
Extraction MethodSExtractor
Extraction VersionSExtractor 2.3.2
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP2b
Fielddeep2b_28
PassbandJ
ESO Filter##001
Total Exposure Time (seconds)5340
Filtering Settings
Magnitude Type for Catalog FilteringMAG_AUTO
Signal to Noise Filtering Threshold3.0
Magnitude Upper Limit99.9
Magnitude Lower Limit0.0
Star/Galaxy Classification Method adoptedSimple Method
Magnitude Limit Applied for "Simple" Star/Galaxy Classification 18.0
CLASS_STAR Limit Applied for "Simple" Star/Galaxy Classification 0.9
Product Information
Total Area (square degrees)0.0095
Trimmed Area (square degrees)0.0012
Masked Area (square degrees)0.0002
Effective Area (square degrees)0.0081
Object Statistics
Number of Objects inside Trimmed Area72
Number of Objects inside Masked Area 15
Number of Objects with SExtractor Flag > 0)177
Final Number of Galaxies543
Number Density of Galaxies (galaxy/square arcmin)18.534
Final Number of Stars4
Number Density of Stars (stars/square arcmin)0.137
Smooth Density Plot
Smooth object density distribution,generated by applying a top-hat window of ... arcmin in diameter
Projected Distribution
Projected Distribution of science grade catalog. In the figure are shown:
 1) galaxies (blue); stars (magenta); trimmed objects (red crosses); masked objects (black crosses); other discarded objects red squares).
Also shown are the automatic masks placed by the system around bright stars, as defined in the configuration file (red losangles) 
Limiting Magnitudes
Vega Magnitude System
5-sigma 2 arcsec (Vega)22.41
80% completeness (Vega)21.38
Extinction corrected 5-sigma 2 arcsec (Vega)22.40
Extinction corrected 80% completeness (Vega)22.62
AB Magnitude System
5-sigma 2 arcsec (AB)23.31
80% completeness (AB)22.28
Extinction corrected 5-sigma 2 arcsec (AB)23.30
Extinction corrected 80% completeness (AB)23.52
Science Grade Catalog Completeness
80% completeness at m = 21.38
50% completeness at m = 22.31
red: completeness function
blue: 50 and 80 percent completeness levels linearly interpolated between bins
Magnitude System: Vega
Magnitude Type: MAG\_AUTO
.
ScienceGrade Attributes
Catalog Products >> Product Log >> Primary Catalog >> Verifcation
Product Identification
Real UserLisbeth Fogh Olsen
Product Creation Date2005-08-26
Product Creation Time13:42:32.409
Usereisdata
Session75285
ProcessLocal
Product TypeSINGLE PASSBAND
Extraction MethodSExtractor
Extraction VersionSExtractor 2.3.2
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP2b
Fielddeep2b_28
PassbandJ
ESO Filter##001
Total Exposure Time (seconds)5340
Number Counts
Star Counts with comparison with Galactic model
              
STAR COUNTS COMPARED WITH GALACTIC MODEL
              
Solid dots: EIS data
Cyan line: Galactic model, not corrected for catalog completeness 
Blue line: Galactic model, corrected for catalog completeness
Red dotted line: magnitude limit for the star/galaxy classification
Magenta dotted line: 2 arcsec - 5 sigma limiting magnitude
Number of stars in the catalog: 4
Magnitudes are Vega in the instrument natural system (SOFI)
Model data averaged over 2 simulations.
Errors on model calculated as the standard deviation of the values in the different simulations.
Errors on the real counts are: 1+sqrt(N + 0.75)
Galaxy Counts
Solid Blue Squares: EIS data
            
            
blue dashed line:    
5 S/N MAG_AUTO magnitude limit=21.59
            
red line:    
Least Squares Method: fitted log(Counts)=a*Magnitude+b
a =  0.31; b = -2.18.
            
Magnitude System: Vega
Magnitude Type:   MAG_AUTO
.
Verification