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HD 71721

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Articoli relazionati

Longterm Photometry of Variables at ESO - Part Two - the Second Data Catalogue 1986-1990 Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1993A&AS..102...79S&db_key=AST
Long-term photometry of variables at ESO. I - The first data catalogue (1982-1986) This paper presents the catalog of photometric data in the Stromgrensystem obtained during the first four years (October 1982 - September1986) of the Long-Term Photometry of Variables (LTPV) program at ESO.The data are available in computer-readable form.
The VELA star cloud. III - The B8 to A0 stars and interstellar reddening The present discussion of intermediate band and H-beta observations of360 HD stars B8-A0 in Vela, and all of the CPD stars in a small adjacentregion, notes that the interstellar absorption in both cases can beunderstood as a combination of three absorbing clouds of 1 kpc-A(V) =1.5, 0.5, and 0.17. The major difference in the two environments is thepresence of numerous T Tauri stars in Taurus. Several clusters in theVela region are discussed.

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Osservazione e dati astrometrici

Costellazione:	Vele
Ascensione retta:	08^h26^m45.67^s
Declinazione:	-48Â°57'22.3"
Magnitudine apparente:	7.345
Distanza:	175.439 parsec
Moto proprio RA:	-10.6
Moto proprio Dec:	-1.9
B-T magnitude:	7.314
V-T magnitude:	7.343

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 71721
TYCHO-2 2000	TYC 8158-1855-1
USNO-A2.0	USNO-A2 0375-05655779
HIP	HIP 41402

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