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 Database: ONCCXOOPT
   Orion Nebula Cluster Chandra HRC Optical Sample
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  
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Parameter
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Definition
 
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<- Sort by distance from search centre (default)
 SOURCE_NUMBER 
Sequential Identification Number for Each Source in Catalog
 NAME 
Catalog Source Designation ([FDM2003] Opt NNN in SIMBAD)
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 STELLAR_MASS 
Stellar Mass (Solar masses)
 LOG_STELLAR_AGE 
Logarithm of the Age (in years)
 ROTATION_PERIOD 
Rotation Period (days)
 CA_II_EQUIV_WIDTH 
Ca II 8542-Angstrom Equivalent Width (Angstom)
 COUNT_RATE_LIMIT 
Limit Flag for Count Rate
 COUNT_RATE 
Basal HRC Count Rate (ct/s)
 LOG_LX_LIMIT 
Limit Flag for X-Ray Luminosity
 LOG_LX 
Logaritm of the X-Ray Luminosity (in erg/s)
 LOG_LX_LBOL_LIMIT 
Limit Flag for the X-Ray to Bolometric Luminosity Ratio
 LOG_LX_LBOL 
Logarithm of the X-Ray to Bolometric Luminosity Ratio

 Output number of lines:  
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
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