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Optical identification of the millisecond pulsar 1937 + 214
A 20th magnitude red object, undetectable on the Palomar Sky Surveyprints, is proposed as an optical identification candidate for themillisecond pulsar. The image containing the object was obtained fromthree CCD exposures, one of 300 s and two of 600 s, which were filteredto remove cosmic ray events, offset into coincidence, and digitallystacked together to increase the signal-to-noise ratio. The part of theresulting image containing the object is shown, and several stars in thefield are listed. The procedure for locating the optical candidate isdescribed; the candidate is about one sigma error box from the radioposition.
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Observation and Astrometry data
| Constellation: | Petit Renard |
| Right ascension: | 19h40m32.34s |
| Declination: | +21°34'34.2" |
| Apparent magnitude: | 7.644 |
| Distance: | 531.915 parsecs |
| Proper motion RA: | -2.5 |
| Proper motion Dec: | -5.3 |
| B-T magnitude: | 7.827 |
| V-T magnitude: | 7.66 |
Catalogs and designations:
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