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HD 19520


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관련 글

Photoelectric observations of lunar occultations. XIII
Occultation observations made with the 0.76 m reflector at McDonaldObservatory are presented, for 319 events occurring between Jan. 15,1981 and Feb. 7, 1982. One table reports timings, and a second recordsobservations of 16 double stars, in particular, Nu Gem observationsreveal that the two close components are similar in color. This allowsan estimation of individual visible magnitudes (near 4.60 and 5.32)suggesting that the secondary is a late B-type main-sequence star. SAO158929 observations reveal systematic differences in angular diametervalues. Of the 16 observed double stars, 9 appear to be new discoveries,including SAO 93067, SAO 94595, and SAO 98770. A third table gives fullydarkened angular diameters for the stars SAO 158929, SAO 77516 Y Tau,and SAO 119035 Nu Vir.

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관측 및 측정 데이터

별자리:양자리
적경:03h08m38.36s
적위:+12°22'41.6"
가시등급:9.113
적경상의 고유운동:-26.4
적위상의 고유운동:-24.3
B-T magnitude:9.563
V-T magnitude:9.151

천체목록:
일반명   (Edit)
HD 1989HD 19520
TYCHO-2 2000TYC 651-94-1
USNO-A2.0USNO-A2 0975-00701557
HIPHIP 14606

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