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HD 152987


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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.

Appulses and occultations of SAO stars by Mercury - 1987-1995
While no readily observable occultations were found in the presentpredictions for 78 close approaches by Mercury to stars in theSmithsonian Astrophysical Observatory catalog (1966) over the periodJanuary 1, 1987-December 31, 1995, seven occultations of stars withvisual magnitudes of 7 or fainter are noted. These events are presentedwith a view to searches for material in the vicinity of Mercury, as wellas investigations requiring close, bright stars for the improvement ofground-based Mercury images.

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Osservazione e dati astrometrici

Costellazione:Ofiuco
Ascensione retta:16h57m52.04s
Declinazione:-24°55'07.4"
Magnitudine apparente:8.951
Distanza:65.746 parsec
Moto proprio RA:-32.1
Moto proprio Dec:-63.2
B-T magnitude:9.752
V-T magnitude:9.018

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 152987
TYCHO-2 2000TYC 6814-725-1
USNO-A2.0USNO-A2 0600-22601827
HIPHIP 83017

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