Home     To Survive in the Universe    
Services
    Why to Inhabit     Top Contributors     Astro Photo     The Collection     Forum     Blog New!     FAQ     Login  
→ Adopt this star  

HD 69620


Contents

Images

Upload your image

DSS Images   Other Images


Related articles

Proper motions of open clusters within 1 kpc based on the TYCHO2 Catalogue
We present mean absolute proper motions of 112 open clusters, determinedusing the data from the Tycho2 Catalogue. For 28 clusters, this is thefirst determination of proper motion. The measurements made use of alarge number of stars (usually several tens) for each cluster. The totalnumber of stars studied in the fields of the 164 open clusters is 5016,of which 4006 were considered members. The mean proper motions of theclusters and membership probability of individual stars were obtainedfrom the proper motion data by applying the statistical method proposedby Sanders (\cite{Sanders71}). Based on observations of the ESAHipparcos satellite. Tables 1, 2 and 5 to 117 are only available inelectronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr(130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/376/441

Nova V351 Puppis 1991: a multiwavelength study of the nebular phase
We combine ground-based optical and IUE spectrophotometry to study thephysical conditions in the shell of Nova V351 Puppis 1991. The structureand the evolution of the shell during the early nebular (i.e. opticallythin) phase are discussed in this paper. The reddening, derived fromrecombination lines, is E(B-V)=0.72+/-0.10. The optical/UV light curvesimply a distance of 3.0+/-0.5 kpc. These values are found to beconsistent with a study of the reddening in the stellar field near thenova. Abundances from the emission-line spectra yield enhancementswithin the predictions of thermonuclear runaway models for classicalnovae. Relative to solar by number, they are: He/H=1.7, C/H=3.5,N/H=130, O/H=38, Ne/H=120, Al/Si=28. The shell shows a low ejected mass(M_ej~10^-7 M_solar), implying a high-mass white dwarf. The opticalspectra reveal a strong red excess, which we tentatively attribute tothe red companion. The strength of this continuum suggests that thecompanion is either a giant or an irradiated main-sequence star.

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.

Radial velocities of 200 southern B stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1965MNRAS.130..281B&db_key=AST

The Scorpio-Centaurus Association: II. Spectral types and luminosities of 220 O, B and a stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1961MNRAS.122..325M&db_key=AST

Submit a new article


Related links

  • - No Links Found -
Submit a new link


Member of following groups:


Observation and Astrometry data

Constellation:Poupe
Right ascension:08h16m24.99s
Declination:-36°12'09.4"
Apparent magnitude:7.149
Distance:353.357 parsecs
Proper motion RA:-10.9
Proper motion Dec:5.4
B-T magnitude:7.002
V-T magnitude:7.137

Catalogs and designations:
Proper Names
HD 1989HD 69620
TYCHO-2 2000TYC 7134-1983-1
USNO-A2.0USNO-A2 0525-08066747
HIPHIP 40519

→ Request more catalogs and designations from VizieR