LAMBDA News
Wilkinson Microwave Anisotropy Probe
The data made available through this page has been updated. The most recent version of this data may be accessed through /product/map/current/
This is a catalog of 323 point sources detected in the WMAP sky maps independently from any previous surveys. The sources listed in the catalog were detected as ≥ 5 sigma peaks in WMAP maps that have been weighted by the square root of the number of observations and optimally filtered for point source detection. The position of each source is obtained by fitting a Gaussian profile plus a baseline to each detected peak. Of the 323 detected sources, 317 have one or more possible 5 GHz counterparts. Of the 6 sources with no 5 GHz identification, some are close to the detection threshold and may be spurious. The catalog lists the following parameters for each source:
| Cols 1 -- 2 | Right Ascension and Declination (2000) |
| Cols 3 -- 4 | Galactic Longitude and Latitude |
| Cols 5 -- 9 | WMAP Flux (Jy) |
| Cols 10 -- 14 | Flux Error (Jy) |
| Cols 15 -- 16 | 5 Ghz Identification |
| Col 17 | Flag for multiple 5 GHz identifications |
| Col 18 | WMAP DR1 Identification Number |
| Col 19 | WMAP Spectral Index |
| Col 20 | WMAP Spectral Index Error |
