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HD 174802


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관련 글

ICCD Speckle Observations of Binary Stars.XV.An Investigation of Lunar Occultation Systems
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....112.2260M&db_key=AST

Visual multiples. VIII - 1000 MK types
A total of 1000 new classifications are given for stars brighter than B= 8.0 mag in the Aitken double star catalog. The classificationssupplement 865 classifications obtained in 1981 and 1984. Among thenewly discovered stars are 12 new Ap stars, eight Lambda Bootis stars,one Ba II star, and 60 Am stars. A detailed list of the newclassifications is given.

Illinois occultation summary. I - 1977-1978
Results are presented for the first two years of a program for therecording of lunar occultations primarily of bright stars or objects ofspecial interest. Observations were obtained using a single-channelCassegrain photometer at a 1-m reflector using various filters toprovide spectral definition, with the tracking of guide stars used toachieve telescope pointing. Of the 64 events observed, 30 were of starsbrighter than 7 magnitudes, 40 were reappearances, four were used forangular diameter measurements, eight were binary star observations andsix may indicate multiple stars.

Photoelectric observations of lunar occultations. XI
Occultation observations of 466 events are presented. These includediameter measures of Aldebaran under very bad conditions and a gooddiameter measure of 82 Vir. The list includes 91 reappearances andobservations of 34 double or multiple stars, both new and previouslyknown. The inconsistencies of the observations of Kui 88 are discussed.Further observations are most desirable.

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관측 및 측정 데이터

별자리:궁수자리
적경:18h53m06.53s
적위:-18°38'12.6"
가시등급:6.777
거리:150.15 파섹
적경상의 고유운동:3.4
적위상의 고유운동:-26.7
B-T magnitude:8.478
V-T magnitude:6.918

천체목록:
일반명   (Edit)
HD 1989HD 174802
TYCHO-2 2000TYC 6285-1889-1
USNO-A2.0USNO-A2 0675-30394323
HIPHIP 92682

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