To Survive in the Universe    
Services
    Why to Adopt     Top Contributors     천체사진     컬렉션     포럼     Blog New!     질문및답변     로그인  
→ Adopt this star  

HD 172491


내용

사진

사진 업로드

DSS Images   Other Images


관련 글

SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.

Lunar occultation summary. II
Results of a second series of 196 two-color photoelectric lunaroccultation observations made within the interval from May 1972 toDecember 1973 are reported. Each observation has been employed toestimate the minimum magnitude difference between the observed objectand possible undetected companions. The study contains the analyses of143 disappearances and 53 reappearances. Eighteen of these eventsmanifest some degree of multiplicity. Included in the study are 18occultation events for Pleiades members.

새 글 등록


관련 링크

  • - 링크가 없습니다. -
새 링크 등록


다음 그룹에 속해있음:


관측 및 측정 데이터

별자리:궁수자리
적경:18h41m36.84s
적위:-24°59'17.3"
가시등급:8.228
거리:355.872 파섹
적경상의 고유운동:4.5
적위상의 고유운동:-3.8
B-T magnitude:9.989
V-T magnitude:8.374

천체목록:
일반명
HD 1989HD 172491
TYCHO-2 2000TYC 6862-1623-1
USNO-A2.0USNO-A2 0600-36641065
HIPHIP 91669

→ VizieR에서 더 많은 목록을 가져옵니다.