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HD 25517

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UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.
Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Subtittle: Radial velocities: The Wilson-Evans-Batten catalogue. We give a common version of the two catalogues of Mean Radial Velocitiesby Wilson (1963) and Evans (1978) to which we have added the catalogueof spectroscopic binary systems (Batten et al. 1989). For each star,when possible, we give: 1) an acronym to enter SIMBAD (Set ofIdentifications Measurements and Bibliography for Astronomical Data) ofthe CDS (Centre de Donnees Astronomiques de Strasbourg). 2) the numberHIC of the HIPPARCOS catalogue (Turon 1992). 3) the CCDM number(Catalogue des Composantes des etoiles Doubles et Multiples) byDommanget & Nys (1994). For the cluster stars, a precise study hasbeen done, on the identificator numbers. Numerous remarks point out theproblems we have had to deal with.
An optical spiral arm beyond the Perseus arm In the second galactic quadrant, optical spiral arm tracers have beencollected in a systematic literature search. A uniform reduction of thedata led to the detection of a distinct structure (probably a spiralarm) beyond the Perseus arm that is separated by a statisticallysignificant gap from the latter.
ON the Absolute Magnitude and Effective Temperature of the Hydrogen-Poor Star HD 30353 Abstract image available at:http://adsabs.harvard.edu/abs/1967ApJ...150..239D
Catalogue d'etoiles O et B. Not Available
Photoelectric 4430 A observations of 506 O, B and A stars. Not Available
Radial Velocities of Distant OB Stars in the Anticenter Region of the Galaxy Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1965ApJ...142..934R&db_key=AST
Photoelectric measures of the 4430 A diffuse interstellar band Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963MNRAS.125..141W&db_key=AST
Interstellar Absorption Lines in Distant Stars. I. Northern Milky way. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1957ApJ...125...42M&db_key=AST
Studies in Galactic STRUCTURE.II.LUMINOSITY Classification for 1270 Blue Giant Stars. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955ApJS....2...41M&db_key=AST
Polarization of Stellar Radiation. III. The Polarization of 841 Stars. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1951ApJ...114..241H&db_key=AST
A Finding List of O and B Stars of High Luminosity. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1951ApJ...113..141N&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Perseo
Ascensione retta:	04^h05^m07.85^s
Declinazione:	+44Â°16'41.6"
Magnitudine apparente:	9.27
Moto proprio RA:	-0.9
Moto proprio Dec:	-4
B-T magnitude:	9.498
V-T magnitude:	9.289

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 25517
TYCHO-2 2000	TYC 2889-2502-1
USNO-A2.0	USNO-A2 1275-02930057
HIP	HIP 19064

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