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HD 164870


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The position corrections of 1400 stars observed with PA II in San Juan.
Not Available

Second astrolabe catalogue of Santiago.
Positions for 350 FK5 and 164 FK5 Extension stars as determined with theDanjon astrolabe of Santiago and differences astrolabe-catalogue aregiven for Equinox J2000.0 and for the mean observation epoch of eachstar. The average mean error in alpha is +/-0.005s and +/-0.07" indelta. The mean epoch of observation of the catalogue is J1979.96.

Improved Mean Positions and Proper Motions for the 995 FK4 Sup Stars not Included in the FK5 Extension
Not Available

Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

Radial velocities of southern stars obtained with the photoelectric scanner CORAVEL. III - 790 late-type bright stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1985A&AS...59...15A&db_key=AST

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Osservazione e dati astrometrici

Costellazione:Sagittario
Ascensione retta:18h04m50.40s
Declinazione:-35°54'05.0"
Magnitudine apparente:6
Distanza:108.932 parsec
Moto proprio RA:-14.9
Moto proprio Dec:-34.3
B-T magnitude:7.49
V-T magnitude:6.104

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 164870
TYCHO-2 2000TYC 7403-6940-1
USNO-A2.0USNO-A2 0525-31981222
BSC 1991HR 6739
HIPHIP 88550
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