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Northern JHK Standard Stars for Array Detectors
We report J, H, and K photometry of 86 stars in 40 fields in theNorthern Hemisphere. The fields are smaller than or comparable to a 4' x4' field of view and are roughly uniformly distributed over the sky,making them suitable for a homogeneous broadband calibration network fornear-infrared panoramic detectors. K magnitudes range from 8.5 to 14 andJ-K colors, from -0.2 to 1.2. The photometry is derived from a total of3899 reduced images; each star has been measured, on average, 26.0 timesper filter on 5.5 nights. Typical errors on the photometry are ~0.012mag.
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Observation and Astrometry data
| Constellation: | りゅう座 |
| Right ascension: | 18h36m10.63s |
| Declination: | +65°04'29.8" |
| Apparent magnitude: | 8.391 |
| Distance: | 180.505 parsecs |
| Proper motion RA: | 5.3 |
| Proper motion Dec: | 4.5 |
| B-T magnitude: | 8.628 |
| V-T magnitude: | 8.411 |
Catalogs and designations:
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INHABITED SKY
