CYGTEVCXO - Cygnus TeV Source Chandra X-Ray Point Source Catalog
The region of TeV J2032+4130 was observed by Chandra on 2004 July 12 for a total effective exposure time of 48,728 seconds using the Advanced CCD Imaging Specrometer imaging array (ACIS-I). The observation was centered on J2000.0 coordinates (RA, Dec) = )20 32 07.0, +41 30 30). This table contains the list of the 240 pointlike sources which were detected in the ACIS-I data and their 2MASS near-IR counterparts, if any are found within 3" of the X-ray sources. 130 (54%) of the 240 X-ray sources have 2MASS counterparts within these error radii.
Deeper Chandra Follow-up of Cygnus TeV Source Perpetuates Mystery Butt Y., Drake J., Benaglia P., Combi J., Dame T., Miniati F., Romero G. <Astrophys. J., 643, 238-244 (2006)> =2006ApJ...643..238B
A running source number for the X-ray source in order of increasing X-ray hardness ratio.
The name for the X-ray source recommended by the CDS Dictionary of Nomenclature of Celestial Objects using the '[BDB2006]' prefix (for Butt, Drake, Benaglia, 2006) and the source number.
The Right Ascension in the selected equinox of the Chandra X-ray source. This was given in J2000.0 equinox and to a typocal precision of 0.01 seconds of time in the original table.
The Declination in the selected equinox of the Chandra X-ray source. This was given in J2000.0 equinox and to a typocal precision of 0.01 arcseconds in the original table.
The Galactic Longitude of the Chandra X-ray source.
THe Galactic Latitude of the Chandra X-ray source.
The signal-to-noise ratio of the Chandra X-ray source.
The (2-10 keV)/(0.5-2.0 keV) hardness ratio of the X-ray source. The fact that that values range from -1.41 (soft) to 0.943 (hard) implies that this is defined as the logarithm of the ratio of hard (2-8 keV) to soft (0.5-2.0 keV) counts, although this is not explicitly stated in the published reference.
The X-ray source counts.
The Right Ascension (J2000, sexagesimal) of the 2MASS counterpart to the Chandra X-ray source.
The Declination (J2000, sexagesimal) of the 2MASS counterpart to the Chandra X-ray source.