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Catalog Products >> Product Log >> Summary
Product Identification
Real UserLisbeth Fogh Olsen
Product Creation Date2005-08-26
Product Creation Time13:39:42.944
Usereisdata
Session75286
BatchN/A
ProcessLocal
Product TypeSINGLE PASSBAND
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP3a
FieldDEEP3a_1_2
PassbandJ
Total Exposure Time (seconds)3600
Product Information
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP3a
FieldDEEP3a_1_2
PassbandJ
ESO Filter##001
Right Ascension (hh:mm:ss.s)11:25:18.7
Declinaton (dd:mm:ss.s)-21:39:50.0
Right Ascension (decimal degrees)171.3280
Declinaton (decimal degeress)-21.6639
Total Exposure Time (seconds)3600
Product TypeSINGLE PASSBAND
Product NameEIS.2005-08-26T14:08:24.831.fits
Product Repository PathN/A
Product IdN/A
EIS DataBase Table NameN/A
EIS DataBase Table AliasN/A
Catalog Contents
Number of Automatic Masks0
Number of Masks generated by hand0
Number of SExtractor Parameters54
Parent Product
General Information
Product Nature (Images/Catalogs) Primary Catalog
Product TypeSingle Passband Extragalactic Catalog
Product NameEIS.2005-08-26T13:39:42.944.fits
Product Repository PathN/A
Product Id70001230
EIS DataBase Table Nameimg_stacked
EIS DataBase Table AliasN/A
Instrument Properties
InstrumentSOFI
Pixel Scale (arcsec)0.29
Area (arcmin 2)0.0067
Gain (e-/ADU)-
Non-linearity (ADU)N/A
Saturation (ADU)10000.0
Effective Gain (e-/ADU)17863.7
Effective Non-linearity (ADU)N/A
Effective Saturation (ADU)0.0
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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 Time13:39:42.944
Usereisdata
Session75286
BatchN/A
ProcessLocal
Product TypeSINGLE PASSBAND
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP3a
FieldDEEP3a_1_2
PassbandJ
Total Exposure Time (seconds)3600
Product Information
RA (center of catalog)171.3280
Dec (center of catalog)-21.6639
Maximum RA of catalog (degrees)171.3740
Minimum RA of catalog (degrees)171.2810
RA interval (arcmin) 0.09
Maximum Dec of catalog (degrees)-21.6215
Minimum Dec of catalog (degrees)-21.7047
Dec interval (arcmin) 0.08
Object Statistics
Total Number of Objects2440
Number of Objects after applying Masks0
Number of Objects after applying Masks and trimming flagged objects 294
Number of Discarded Objects (flags)472
Final Number of Objects-178
Projected Distribution
Object Density Distribution
Smooth Density Plot
Object density distribution, generated by applying a top-hat window of ... arcmin in diameter
Simulation Results
Number of Simulated Images3
Fading Factor3.0,3.5,4.0
Limiting Magnitude at 80% completeness (Vega)22.82
Limiting Magnitude at 50% completeness (Vega)23.27
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 Time13:39:42.944
Usereisdata
Session75286
BatchN/A
ProcessLocal
Product TypeSINGLE PASSBAND
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP3a
FieldDEEP3a_1_2
PassbandJ
Total Exposure Time (seconds)3600
Filtering Settings
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
Object Statistics
Number of Discarded Objects (flags)277
Final Number of Galaxies711
Number Density of Galaxies (galaxy/arcmin2)27.469
Final Number of Stars8
Number Density of Stars (stars/arcmin2)0.309
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 Magnitude (VEGA)
Aperture Magnitudes
Other Magnitudes
Characteristic Magnitudes
Vega Magnitude System
5-sigma 2 arcsec (Vega)22.65
80% completeness (Vega)22.82
Extinction corrected 5-sigma 2 arcsec (Vega)22.61
Extinction corrected 80% completeness (Vega)22.78
1-sigma limiting isophote(Vega)99.90
AB Magnitude System
5-sigma 2 arcsec (AB)23.55
80% completeness (AB)23.72
Extinction corrected 5-sigma 2 arcsec (AB)23.51
Extinction corrected 80% completeness (AB)23.68
1-sigma limiting isophote(AB)100.80
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ScienceGrade Attributes
Catalog Products >> Product Log >> Primary Catalog >> Verifcation
Product Identification
Real UserLisbeth Fogh Olsen
Product Creation Date2005-08-26
Product Creation Time13:39:42.944
Usereisdata
Session75286
BatchN/A
ProcessLocal
Product TypeSINGLE PASSBAND
SurveyDPS
TelescopeESO-NTT
InstrumentSOFI
RegionDEEP3a
FieldDEEP3a_1_2
PassbandJ
Total Exposure Time (seconds)3600
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: 8
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=21.84
            
red line:    
Least Squares Method: fitted log(Counts)=a*Magnitude+b
a =  0.27; b = -1.34.
            
Magnitude System: Vega
Magnitude Type:   MAG_AUTO
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Verification