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TYC 955-241-1


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Публикации по объекту

Pulkovo compilation of radial velocities for 35495 stars in a common system.
Not Available

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.

The general catalogue of trigonometric [stellar] paralaxes
Not Available

Space motions of low-mass stars.
Radial-velocity measures are presented for 225 stars, most of which aredwarf K and M stars. The data were obtained with the CfA digitalspeedometer, whose uncertainty is less than 1 km/s. Calibrations ofthree earlier radial-velocity studies and comparisons with three othercontemporary ones lead to the evaluation of the standard error for anindividual star as determined in each investigation. The data from twomasks, matching solar type and M type stars, form a ratio that measuresstellar surface temperature quite closely and appear to be useful indetecting the presence of unseen companions. A few previouslyunrecognized binaries have been detected; those with most certaintyinclude stars nos. 366B, 453, and 46A of the McCormick lists of dwarfstars.

Photometry of Dwarf K and M Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1988PASP..100..749B&db_key=AST

Parallaxes and proper motions. XVII
Parallaxes and proper motions are presented for 23 stars in 19 starfields. Seven of the target stars and one other star have no previousparallax determinations. New photometry is also presented for two of thestars for which previous data had not been published. Two of the targetstars are resolved binaries for which both components were measuredseparately; one of the two is not a physical pair. This list is thefirst in the series which makes use of the PDS microdensitometer of theYale Observatory with five of the 19 star fields being measured there.The PDS measures are too few for a reliable direct comparison with thehand measures, but they appear to be more accurate. This is also thefirst list to report parallaxes of subdwarf candidates. Subluminousstars now form a second commitment of the program along with the K and Mdwarfs which have formerly dominated the program.

Catalogue of stars with CaII H and K emissions
Not Available

The luminosity law for late-type main-sequence stars in the solar neighborhood
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974PASP...86..697E&db_key=AST

Calcium emission intensities as indicators of stellar age.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970MNRAS.148..463W&db_key=AST

Radial velocities of dK and dM stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1967AJ.....72..905W&db_key=AST

Photovisual magnitudes of 418 dwarf M stars and 34 parallax stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1956AJ.....61..219S&db_key=AST

Dwarf M stars found spectrophotometrically .
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1956AJ.....61..201V&db_key=AST

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Наблюдательные данные и астрометрия

Созвездие:Змея
Прямое восхождение:15h54m15.83s
Склонение:+14°16'27.0"
Видимая звёздная величина:9.734
Расстояние:34.141 парсек
Собственное движение RA:-77.9
Собственное движение Dec:-24.4
B-T magnitude:11.162
V-T magnitude:9.852

Каталоги и обозначения:
Собственные имена
TYCHO-2 2000TYC 955-241-1
USNO-A2.0USNO-A2 0975-08037441
HIPHIP 77881

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