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HD 217923


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관련 글

Speckle Interferometry at the US Naval Observatory. VIII.
The results of 2044 speckle interferometric observations of doublestars, made with the 26 inch (66 cm) refractor of the US NavalObservatory, are presented. Each speckle interferometric observation ofa system represents a combination of over a thousand short-exposureimages. These observations are averaged into 1399 mean positions andrange in separation from 0.16" to 14.97", with a mean separation of2.51". This is the eighth in a series of papers presenting measuresobtained with this system and covers the period 2001 March 18 through2001 December 30.

GPM - compiled catalogue of absolute proper motions of stars in selected areas of sky with galaxies.
Not Available

Vitesse radiales dans 5 Selected Areas.
Not Available

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관련 링크

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다음 그룹에 속해있음:

관측 및 측정 데이터

별자리:페가수스자리
적경:23h03m42.24s
적위:+29°53'58.2"
가시등급:8.293
거리:79.872 파섹
적경상의 고유운동:-44
적위상의 고유운동:-97.1
B-T magnitude:8.84
V-T magnitude:8.339

천체목록:
일반명
HD 1989HD 217923
TYCHO-2 2000TYC 2247-477-1
USNO-A2.0USNO-A2 1125-19639465
HIPHIP 113876
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