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Five-colour photometry of OB-stars in the Southern Hemisphere
Observations of OB-stars, made in 1959 and 1960 at the Leiden SouthernStation near Hartebeespoortdam, South Africa, with the VBLUW photometerattached to the 90 cm light-collector, are given in this paper. They arecompared with photometry obtained by \cite[Graham (1968),]{gra68}\cite[Walraven & Walraven (1977),]{wal77} \cite[Lub & Pel(1977)]{lub77} and \cite[Van Genderen et al. (1984).]{gen84} Formulaefor the transformation of the present observations to those of\cite[Walraven & Walraven (1977)]{wal77} and \cite[Lub & Pel(1977)]{lub77} are given. Table 4 is only available in electronic format the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) orvia http://cdsweb.u-strasbg.fr/Abstract.html

UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars
A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.

A Radial Velocity Database for Stephenson-Sanduleak Southern Luminous Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....113..823R&db_key=AST

A spectroscopic database for Stephenson-Sanduleak Southern Luminous Stars
A database of published spectral classifications for objects in theStepenson-Sanduleak Luminous Stars in the Southern Milky Way catalog hasbeen compiled from the literature. A total of 6182 classifications for2562 stars from 139 sources are incorporated.

UBV-beta photometry of luminous early-type stars and emission-line stars in the Southern Coalsack region
A catalog is presented giving UBV-beta photometry for 144 luminous OBstars and UBV photometry for 154 emission-line stars in a 100-sq-degregion around the Southern Coalsack. Total visual absorptions anddistance moduli have been determined for all the stars and aretabulated. Comparisons with previous observations are discussed.

The volume filling factor of the infrared cirrus IS 0.2
The filling factor of the infrared cirrus in which luminous stars areembedded is estimated. The stars are assumed to be randomly situatedwith respect to the cirrus. A direct ratio of the number of stars withassociated cirrus emission to those which in principle could be detectedindicates that the cirrus filling factor is roughly 0.2.

O I lambda 7773 absorption in optical counterparts of X-ray sources
The existence of a correlation between the absorption equivalent widthof the O I absorption triplet at 7773 A and stellar luminosity isconfirmed by using a sample of 14 B1-B5 stars. This correlation isemployed to investigate the luminosities of six X-ray sourcecounterparts of known spectral type. It is shown that measurement of theequivalent width of the O I 7773-A absorption feature offers a valuabletechnique for determining a star's luminosity class, that this techniquerequires only knowledge of a star's spectral type and is applicable totypes in the range from B1 to about G7, and that X-ray luminosities andsource distances may be obtained independently of other methods. Theidentification of the star MMV (= 4U 1258-61 = 2S 1258-613) as a shellstar is confirmed.

O stars and supergiants south of declination -53 0.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976AJ.....81..116H&db_key=AST

A new determination from OB stars of the galactic rotation constants and the distance to the galactic centre.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974MNRAS.167..621B&db_key=AST

Structure and motions in the CAR spiral feature.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972A&A....20...29H&db_key=AST

Photo-electric colours of southern early-type stars
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Dades d'Observació i Astrometria

Constel·lació:Musca
Ascensió Recta:12h14m26.18s
Declinació:-66°31'28.5"
Magnitud Aparent:7.44
Distancia:10000000 parsecs
Moviment propi RA:-6.2
Moviment propi Dec:-0.3
B-T magnitude:7.388
V-T magnitude:7.436

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 106362
TYCHO-2 2000TYC 8986-4202-1
USNO-A2.0USNO-A2 0225-13678512
HIPHIP 59689

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