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HD 63599


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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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Ultraviolet observations in Puppis with the space telescope 'GLAZAR'
The results of observations of 159 stars at 1640 A in Puppis made withthe space telescope 'Glazar' are presented. It is shown that theobserved stars are members of different groups of stars situated atdistances of about 120, 370, 700, 1250, 2400, and 4000 pc. The last twogroups belong to the Pup OB1 and Pup OB2 stellar associations. There isrelatively little absorption in the observed region. The absorbingmatter is mainly concentrated in small clouds. It is suggested thatthree stars - CP - 27 deg 4197, HD 60479, and HD 61672 - are embedded ina dust envelope and that the star HD 60057 has a hot subdwarf companion.Forty-four of the observed stars are new OB or early A-type stars,spectral types of which were not known.

A photoelectric UBV catalogue of 610 stars in Puppis
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1983MNRAS.205..241R&db_key=AST

A photoelectric UBV sequence in a low extinction Puppis field
UBV photoelectric photometry, MK-dispersion slit spectra, and spectralclassifications based on objective prism spectra are presented for asequence of 116 early type stars in the Puppis region. The interstellarextinction, based largely on spectroscopic parallaxes, is found to beremarkably low for a field in the Galactic Plane, amounting to 0.30 mfor E(B-V) at r of about 6.3 kpc.

A study of galactic structure in a region of Puppis
Galactic structure and rotation in the region of the Puppis OB 1 and OB2 associations are investigated on the basis of spectrophotometric andkinematic observations. Data was obtained from measurements of platestaken at the ESO objective prism astrograph at a spectral dispersion of110 A/mm. Spectral types, B magnitudes, distance moduli andgalactocentric distances are presented for 102 stars, including 74 oftypes O5 through B3 and the remainder of types B5 and B6, and radialvelocities determined by Fehrenbach's method as well as derived circularvelocities are presented for 63 OB stars. The results demonstrate thereality of the Pup OB 1 association, which is found at a distancemodulus of 12.20 with a mean radial velocity of 37 km/sec. The physicalreality of the Pup OB 2 association, however, appears doubtful, due tothe spread of the more distant group of OB stars (distance modulus13.45, mean radial velocity 57 km/sec) over a distance of more than 3kpc; this more distant group, as well as the H II region S 311, areassigned to an extension of the Perseus arm. The galactic rotation curvederived is found to exhibit a clear rise for galactocentric distancesgreater than 12.5 kpc.

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Osservazione e dati astrometrici

Costellazione:Poppa
Ascensione retta:07h48m45.82s
Declinazione:-26°37'07.2"
Magnitudine apparente:9.069
Moto proprio RA:-10.3
Moto proprio Dec:8.7
B-T magnitude:9.074
V-T magnitude:9.07

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 63599
TYCHO-2 2000TYC 6548-3393-1
USNO-A2.0USNO-A2 0600-07719245
HIPHIP 38125

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