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TYC 1986-2143-1


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

An astrometric catalogue for the area of Coma Berenices
A catalogue of stellar positions and proper motions down to the 14thphotographic magnitude in the area of the open cluster in Coma Berenicesis compiled from data of 12 different sources. The accuracy of theproper motion data is comparable to that of the Hipparcos Catalogue. Thecatalogue Table 5 is only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html

Interstellar polarization at high galactic latitudes from distant stars. II. Evidence for depolarization starting at Z=~600pc.
We have measured linear polarization for 20 distant high latitude A andF stars, as a first step to extend our previous study (Berdyugin et al.1995A&A...294..568B: Paper I) of the North Galactic polar cap todistances larger than 600pc. The results give tentative evidence fordepolarization starting to be seen around Z=~500pc, possibly indicatingthat there is a significant change in the magnetic field direction.Depolarization requires that there is still light-polarizing dust in theZ range 500-1000pc and the lower limit to extinction inferred in Paper I(A_B_>0.11mag) must be increased by a yet undetermined amount.

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.

Meridian observations made with the Carlsberg Automatic Meridian Circle at Brorfelde (Copenhagen University Observatory) 1981-1982
The 7-inch transit circle instrument with which the present position andmagnitude catalog for 1577 stars with visual magnitudes greater than11.0 was obtained had been equipped with a photoelectric moving slitmicrometer and a minicomputer to control the entire observationalprocess. Positions are reduced relative to the FK4 system for each nightover the whole meridian rather than the usual narrow zones. Thepositions of the FK4 stars used in the least squares solution are alsogiven in the catalog.

Further Studies of A-Stars and F-Stars in the Region of the North Galactic Pole - Part Four - a Catalogue of Uvbyr Photometry and Derived Quantities
Not Available

Further Studies of A-Stars and F-Stars in the Region of the North Galactic Pole - Part Three - a Catalogue of Star Names and Positions
Not Available

Studies of A and F stars in the region of the North galactic pole-II. uvby β photometry
Not Available

Interstellar reddening near the north galactic pole
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972PASP...84..497F&db_key=AST

H-beta photometry of A-type stars near the north galactic pole.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971AJ.....76..567P&db_key=AST

The Motions of the A Stars at the North Galactic Pole
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1969PASP...81..741E&db_key=AST

The galactic force law K(z
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1969AJ.....74..139P&db_key=AST

Photoelectric photometry of A-type stars near the north galactic pole.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1968AJ.....73.1000P&db_key=AST

Radial Velocities of A-Type Stars Near the North Galactic Pole
Not Available

The Colors of Some High-Latitude Blue Stars.
Not Available

Three-colour photometry of early-type stars near the galactic poles
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963MNRAS.127...83W&db_key=AST

Mean absolute magnitude of the blue stars at high galactic latitude.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1962AJ.....67..740K&db_key=AST

Spectra and Colors of Early-Type Stars Near the North Galactic Pole.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1961ApJ...134..195S&db_key=AST

A finding-list of stars of spectral type F2 and earlier in a north galactic pole region.
Not Available

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Observation and Astrometry data

Constellation:Coma Berenices
Right ascension:12h16m33.88s
Declination:+24°36'33.7"
Apparent magnitude:10.706
Proper motion RA:-0.7
Proper motion Dec:-17
B-T magnitude:10.705
V-T magnitude:10.706

Catalogs and designations:
Proper Names   (Edit)
TYCHO-2 2000TYC 1986-2143-1
USNO-A2.0USNO-A2 1125-06481967
HIPHIP 59861
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