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MK spectral types are presented for 246 early-type stars observed withthe S-019 ultraviolet stellar astronomy experiment on Skylab. K-linetypes are also given where applicable, and various peculiar stars areidentified. The peculiar stars include five silicon stars, a shell star,a helium-rich star, a silicon-strontium star, a chromium-europium star,and two marginal metallic-line stars.
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Observation and Astrometry data
| Constellation: | Κύκνος |
| Right ascension: | 19h26m01.22s |
| Declination: | +45°00'47.1" |
| Apparent magnitude: | 7.059 |
| Distance: | 269.542 parsecs |
| Proper motion RA: | 2.9 |
| Proper motion Dec: | 6.2 |
| B-T magnitude: | 6.882 |
| V-T magnitude: | 7.045 |
Catalogs and designations:
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