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Submit a new article| The 74th Special Name-list of Variable Stars We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.
 
 
 |  | Spectral types for early-type stars observed by SKYLAB 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: | Cygnus |  | 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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