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HD 53514


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New Estimates of the Solar-Neighborhood Massive Star Birthrate and the Galactic Supernova Rate
The birthrate of stars of masses >=10 Msolar is estimatedfrom a sample of just over 400 O3-B2 dwarfs within 1.5 kpc of the Sunand the result extrapolated to estimate the Galactic supernova ratecontributed by such stars. The solar-neighborhood Galactic-plane massivestar birthrate is estimated at ~176 stars kpc-3Myr-1. On the basis of a model in which the Galactic stellardensity distribution comprises a ``disk+central hole'' like that of thedust infrared emission (as proposed by Drimmel and Spergel), theGalactic supernova rate is estimated at probably not less than ~1 normore than ~2 per century and the number of O3-B2 dwarfs within the solarcircle at ~200,000.

Catalog of Galactic OB Stars
An all-sky catalog of Galactic OB stars has been created by extendingthe Case-Hamburg Galactic plane luminous-stars surveys to include 5500additional objects drawn from the literature. This work brings the totalnumber of known or reasonably suspected OB stars to over 16,000.Companion databases of UBVβ photometry and MK classifications forthese objects include nearly 30,000 and 20,000 entries, respectively.

The distribution of bright OB stars in the Canis Major-Puppis-Vela region of the Milky Way
The picture of the young stellar groups in the Canis Major-Puppis-Vela(215 deg

Strömgren and Hβ photometry of O and B type stars in star-forming regions. I. Canis Major - Puppis - Vela
Strömgren and Hβ photometry of OB-stars generally brighterthan 9.5 mag in the Canis Major - Puppis - Vela region of Milky Way isreported. The observations are based on the Milky Way luminous-star (LS)identifications and are designed to create a complete, magnitude-limitedsample of LS for this field. We present new uvby photometry for 127 LSand Hβ photometry for 25 of them. These observations are part of anongoing effort to improve the completeness of the existing uvbybetadata-base for the bright OB-type stars in the Milky Way, with the aim toinvestigate the structure of selected star-forming regions. Based ondata from the Strömgren Automatic Telescope of the CopenhagenAstronomical Observatory, La Silla. Tables 3 and 4 are only available inelectronic form at the CDS via anonymous ftp to 130.79.128.5 or viahttp://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 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.

Photometric study of faint early-type stars in the southern Milky Way
UBV photoelectric observations are presented for 101 faint early-type(mainly OB) stars in four regions of the southern Milky Way: two inVela, one in Centaurus, and one in Circinus; H-beta data are also givenfor the brightest stars. Objective-prism plates showing the H-alpharegion of the spectrum are used, together with published results fromother authors, to recognize Be stars in the sample. A new young opencluster related to the H II region RCW 38 in Vela is found at 1.7 kpcfrom the sun, and the existence of at least a spur in the local armtowards galactic longitude of about 270 deg is favored; whether such afeature extends beyond that distance cannot be decided from the data.Most of the stars studied in the Centaurus region seem to belong to theCentaurus OB 1 association, at 2.4 kpc from the sun, and lie in theSagittarius-Carina arm. It is not clear if the stars observed in theCircinus region are physically related to each other, but theirdistances to the sun also place most of them in the Sagittarius-Carinaarm.

Galactic structure in monoceros : a photometric study of luminous stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976A&A....53....9V&db_key=AST

Investigation of a Milky Way field in Canis Major
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974AJ.....79.1022C&db_key=AST

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Observation and Astrometry data

Constellation:いっかくじゅう座
Right ascension:07h04m58.94s
Declination:-08°27'03.3"
Apparent magnitude:9.021
Proper motion RA:-1.3
Proper motion Dec:1
B-T magnitude:9.657
V-T magnitude:9.074

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 53514
TYCHO-2 2000TYC 5381-1474-1
USNO-A2.0USNO-A2 0750-03412671
HIPHIP 34159

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