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HD 35913


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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.

Spectroscopic studies of stars in ORI OB1 /Belt/
MK spectral classifications are presented for 120 B- and A-type stars inthe Belt subgroup of the Ori OB1 association. Combined with otherpublished spectroscopic data, and the assumed absolute magnitudes givenby Schmidt-Kaler (1965) and Lesh (1979), a mean corrected distancemodulus of 8.56 + or - 0.11 is computed for the eastern region, whilefor the remainder of the Belt a modulus of 8.20 + or - 0.05 is derived.Several B9-A2 subgiants and A7-F0 main-sequence stars were observed inthe western and central regions of the Belt. The ages of these starsimply a spread in formation ages for these subgroups from about 1million yr to at least 10 million yr.

Photometric studies of stars in ORI OB1 /belt/
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1979AJ.....84.1846G&db_key=AST

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Osservazione e dati astrometrici

Costellazione:Orione
Ascensione retta:05h27m57.50s
Declinazione:-00°57'30.5"
Magnitudine apparente:8.645
Distanza:166.389 parsec
Moto proprio RA:-5.7
Moto proprio Dec:7.2
B-T magnitude:9.003
V-T magnitude:8.675

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 35913
TYCHO-2 2000TYC 4753-1050-1
USNO-A2.0USNO-A2 0825-01521102
HIPHIP 25574

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