LEDAS  
Leicester Database and Archive Service
 
ARNIE Index
ARNIE Help
ARNIE Tutorial
Search...
All databases
All helpfiles
Line
Footer
E-mail
 Database: COUP
   Chandra Orion Ultradeep Point Source Catalog
Database Index | Basic Search | Advanced Search
 Name Resolver
Name:

 Search Co-ordinates
Co-ords:

Co-ordinate system:
Equatorial Ecliptic Galactic
Equinox: 1950 2000

 Search Type
Cone search, radius: arcmin.
Square search, width: arcmin.
Rectangle search, size: arcmin
 Output Options
 Output coordinates in:
Decimal  Sexagesimal
 Output system:
Equatorial   Ecliptic   Galactic
 Output epoch:
J2000   B1950
 Output format:
Filter Search  
Show
Sort
Parameter
Filter
A
Filter
B
Definition
 
Select All
<- Sort by distance from search centre (default)
 COUP_NUMBER 
COUP Source Number
 NAME 
Source Designation (COUP JHHMMSS.s+DDMMSS in SIMBAD)
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 ERROR_RADIUS 
1-Sigma Positional Error (arcsec)
 OFF_AXIS 
Off-Axis Angle (arcmin)
 PROBLEM_FLAGS 
Flag Indicating Source Detection Problem
 WAVDETECT_FLAG 
Flag Indicating Source Detection Map for Chicago Wavdetect
 PWDETECT_FLAG 
Flag Indicating Source Detection Map for Palermo Wavelet Detection
 DETECT_FLAG_1 
Flag Indicating Source Detection Method for Chicago Wavedetect
 DETECT_FLAG_2 
Flag Indicating Source Detection Method for Palermo Wavelet Detection
 DETECT_FLAG_3 
Flag Indicating Source Detection Group(s)
 AE_SIGNIFICANCE 
Source Significance in Sigma from acis_extract
 PWDETECT_SIGNIFICANCE 
Source Significance in Sigma from Palermo Wavelet Detection
 ACIS_SOURCE_NUMBER 
Previous Chandra ACIS X-Ray Source
 HRC_SOURCE_NUMBER 
Previous Chandra HRC X-Ray Source
 TOTAL_COUNTS 
Source Counts in Extracted Area
 BCK_COUNTS 
Background Counts in Extracted Area
 COUNTS 
Net Counts in Extracted Area
 EXTRACTION_AREA 
Extraction Area (pixels)
 PSF_FRACTION 
Point Spread Fraction in Extracted Area at Fiducial Energy 1.5keV
 EXPOSURE 
Exposure Time (s)
 FLUX_CONV_FACTOR 
Conversion Factor between Counts and Flux in Units of 10^9 ct.s.cm^2/photon
 PHOTON_FLUX 
The 0.5-8.0keV Incident Photon Flux (photon/cm^2/s)
 MEDIAN_PHOTON_ENERGY 
Median Energy Corrected for Background
 HR_1 
Hardness Ratio 1 (0.5-2.0/2.0-8.0keV)
 HR_1_NEG_ERR 
Lower Uncertainty on HR1
 HR_1_POS_ERR 
Upper Uncertainty on HR1
 HR_2 
Hardness Ratio 2 (0.5-1.7/1.7-2.8keV)
 HR_2_NEG_ERR 
Lower Uncertainty on HR2
 HR_2_POS_ERR 
Upper Uncertainty on HR2
 HR_3 
Hardness Ratio 3 (1.7-2.8/2.8-8.0keV)
 HR_3_NEG_ERR 
Lower Uncertainty on HR3
 HR_3_POS_ERR 
Upper Uncertainty on HR3
 LOG_NH 
Log of Hydrogen Column Density in cm^-2
 LOG_NH_ERROR 
Error in Log of Hydrogen Column Density in cm^-2
 TEMPERATURE_1 
Energy of First Plasma Component (keV)
 TEMPERATURE_1_ERROR 
Error in Energy of First Plasma Component (keV)
 TEMPERATURE_2 
Energy of Second Plasma Component If Needed (keV)
 TEMPERATURE_2_ERROR 
Error in Energy of Second Plasma Component (keV)
 LOG_EM_1 
Log of Emission Measure of First Plasma Component in cm^-3
 LOG_EM_1_ERROR 
Error in Log of Emission Measure of First Plasma Component in cm^-3
 LOG_EM_2 
Log of Emission Measure of Second Plasma Component in cm^-3
 LOG_EM_2_ERROR 
Error in Log of Emission Measure of Second Plasma Component in cm^-3
 REDUCED_CHI_SQUARED 
Chi-Squared per Degree of Freedom for Spectral Fit
 CHI_SQUARED_DOF 
Degrees of Freedom for Chi^2
 FIT_QUALITY_FLAG 
Spectral Fit Flag
 SPECT_MODEL_FLAGS 
Spectral Model Flags
 FIT_COMMENT_FLAGS 
Spectral Features and Problems Flag
 GAP_FLAG 
Flag Indicates Sources Were Located on an ACIS CCD Chip Gap
 LOG_PROB_VAR 
Log of Probability of Variability
 NUM_BB_SEGMENTS 
Bayesian Blocks Number of Segments
 MIN_COUNT_RATE 
Bayesian Blocks Minimum Count Rate (ct/ks)
 MIN_COUNT_RATE_ERROR 
Bayesian Blocks Error in Minimum Count Rate (ct/ks)
 MAX_COUNT_RATE 
Bayesian Blocks Maximum Count Rate (ct/ks)
 MAX_COUNT_RATE_ERROR 
Bayesian Blocks Error in Maximum Count Rate (ct/ks)
 LOG_LX_SOFT_LIMIT 
Upper Limit Flag for Log of the Observed Soft Band Luminosity
 LOG_LX_SOFT 
Log of the Observed Soft Band (0.5-2.0keV) luminosity
 LOG_LX_HARD_LIMIT 
Upper Limit Flag for Log of the Observed Hard Band Luminosity
 LOG_LX_HARD 
Log of the Observed Hard Band (2.0-8.0keV) Luminosity
 LOG_LX_HARD_CORR 
Log of the Estimated Luminosity in the Hard Band Corrected for Absorption
 LOG_LX_TOT 
Log of the Observed Total Band (0.5-8.0keV) Luminosity
 LOG_LX_TOT_CORR 
Log of the Estimated Luminosity in the Total Band Corrected for Absorption
 OPTICAL_ID_NUMBER 
Optical Star Designation
 XRAY_OPT_OFFSET 
COUP-Optical Positional Offset (arcsec)
 VMAG 
V Magnitude
 IMAG 
I Magnitude
 SPECT_TYPE 
Spectral Type
 A_VMAG 
Visual Absorption of the Optical Counterpart
 LOG_T_EFF 
Log of the Stellar Effective Temperature (K)
 LOG_L_BOL 
Log of the Stellar Bolometric Luminosity in Units of Solar Luminosity
 STELLAR_RADIUS 
Stellar Radius in Units of the Solar Radius
 STELLAR_MASS 
Stellar Mass in Units of the Solar Mass
 LOG_STELLAR_AGE 
Log of Stellar Age
 IK_EXCESS 
Delta I-K Near-Infrared Excess
 EQ_WIDTH_CA_II 
Equivalent Width Ca II Line (Angstrom)
 VMAG_AVERAGE 
Average V Magnitude
 VMAG_AVERAGE_ERROR 
Error in Average V Magnitude
 VMAG_RANGE 
Range in V Magnitudes
 ROTATION_PERIOD 
Photometric Rotational Period (d)
 IR_NAME 
JHK Source Designation
 XRAY_IR_OFFSET 
COUP-JHK Source Positional Offset (arcsec)
 JMAG 
J Magnitude
 HMAG 
H Magnitude
 KS_MAG 
K_s Magnitude
 REF_IR_PHOTOMETRY 
Reference Code for Photometry
 QUALITY_FLAG_2MASS 
2MASS Photometric Quality Flag
 CONTCON_FLAG_2MASS 
2MASS Contamination and Confusion Flag
 LMAG_FLAG 
Reference Code for L Magnitude
 LMAG_ID_NUMBER 
L-band Source Designation
 LMAG 
L Magnitude
 CLASS 
Browse Object Classification

 Output number of lines:  
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
HOME
SEARCH
SERVICES INFO SOFTWARE ViZieR BLASTA DSS
ARCHIVES ASCA CHANDRA GINGA ROSAT ARNIE