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HD 200273

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관련 글

The secondary tail of Comet 1976 VI West The physical characteristics of the secondary tail of Comet 1976 VI Westare described. Many striae in the tail do not converge to the head. Theyare well described by synchrones of the secondary tail ejected from theprimary tail. The latter consists of dust emitted from the head bybursts, implying that a great burst occurred in the head at perihelionpassage, emitting a large amount of dust. After 3.2 days the main partof the secondary tail was formed, in which many bright striae existed.From the photographic density of the bright striae, the total mass ofthe dust ejected from the head at perihelion is estimated at 9.6 x 10 tothe 12th g. The duration of the burst at perihelion may be 20,000 s;thus, the production of dust is about 5.5 x 10 to the 8th g/s during theburst.
Double star measures at Lick Observatory, Mount Hamilton, California. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1978PASP...90..465H&db_key=AST
Double star measures at Lick Observatory Mount Hamilton California. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976PASP...88..325H&db_key=AST
Mesures d'étoiles doubles visuelles Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....3...71M&db_key=AST
Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice Not Available
Micrometer measures of doubles stars. III. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963AJ.....68...57V&db_key=AST
Double star observations at Lick Observatory Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1954AJ.....59..388M&db_key=AST

관련 링크

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관측 및 측정 데이터

별자리:	돌고래자리
적경:	21^h02^m10.77^s
적위:	+14Â°26'21.4"
가시등급:	8.571
적경상의 고유운동:	5.7
적위상의 고유운동:	-5.4
B-T magnitude:	8.824
V-T magnitude:	8.592

천체목록:

일반명	(Edit)
HD 1989	HD 200273
TYCHO-2 2000	TYC 1115-374-1
USNO-A2.0	USNO-A2 0975-19944022

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