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HD 303182


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The Carina Spiral Feature: Strömgren-Hβ photometry approach. I. The photometric data-base
A data-base collating all uvbybeta photometry available at present forO-B9 stars brighter than 10th visual magnitude in the field of theCarina Spiral Feature is presented. The completeness and homogeneity ofthe data-base are discussed.Based on CDS data.Table 1 is only available in electronic form at the CDS via anonymousftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/410/523

Strömgren and Hβ photometry of O and B type stars in star-forming regions. III. Carina Spiral Feature
Strömgren and Hβ photometry of O and B type stars, generallybrighter than 9.5 mag is reported for the field of the Carina SpiralFeature. The observations are based on the PPM catalogue identificationsand are designed to improve the completeness of the existing uvbybetadata for the bright early-type stars in the field. We present new uvbyphotometry for 283 stars and Hβ photometry for 225 of them. Theseobservations are part of an ongoing effort to study the structure ofselected star-forming regions in the Milky Way by means of uvbybetaphotometry. A comparison of the new data to other uvbybeta data sets forthis field is presented. Based on data from the Strömgren AutomaticTelescope of the Copenhagen University Observatory, La Silla. Tables 1and 2 are only available in electronic form at the CDS via anonymous ftpto 130.79.128.5 or via http://cdsweb.u-strasbg.fr/Abstract.html

Absolute proper motions of open clusters. I. Observational data
Mean proper motions and parallaxes of 205 open clusters were determinedfrom their member stars found in the Hipparcos Catalogue. 360 clusterswere searched for possible members, excluding nearby clusters withdistances D < 200 pc. Members were selected using ground basedinformation (photometry, radial velocity, proper motion, distance fromthe cluster centre) and information provided by Hipparcos (propermotion, parallax). Altogether 630 certain and 100 possible members werefound. A comparison of the Hipparcos parallaxes with photometricdistances of open clusters shows good agreement. The Hipparcos dataconfirm or reject the membership of several Cepheids in the studiedclusters. Tables 1 and 2 are only available in electronic form at theCDS via anonymous ftp to cdsarc.u-strasbg.fr (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.

Stromgren and Hβ photometry of OB stars in the region of the Carina Spiral Feature
Stromgren and Hβ photometry of 130 stars in the Carina section ofthe Milky Way is presented. The color excesses and the distances of allstars are obtained. A good agreement is found between the CM and HRdiagrams and the spatial distribution of these stars. Tables 1, 2, 4 and5 are only available in electronic form at the CDS via anonymous ftp to130.79.128.5 or via http://cdsweb.u-strasbg.fr/Abstract.html

The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
The Henry Draper Extension Charts (HDEC), published in the form offinding charts, provide spectral classification for some 87000 starsmostly between 10th and 11th magnitude. This data, being highlyvaluable, as yet was practically unusable for modern computer-basedastronomy. An earlier pilot project (Roeser et al. 1991) demonstrated apossibility to convert this into a star catalogue, using measurements ofcartesian coordinates of stars on the charts and positions of theAstrographic Catalogue (AC) for subsequent identification. We presenthere a final HDEC catalogue comprising accurate positions, propermotions, magnitudes and spectral classes for 86933 stars of the HenryDraper Extension Charts.

Bright blue stars in VELA observed with the 'Glazar' space telescope
Seventy-one stars brighter than about 9 m have been detected at 1640 Ain the Vela region with the space telescope Glazar. It is shown thatmost of the detected stars belong to a B-type stellar association at adistance of 460 pc and to two OB stellar associations at distances of1100 pc and 1700 pc. The existence of B-type stellar association at adistance of 110 pc is suspected. A new O-type star cluster, which is apossible nucleus of the OB stellar association at 1700 pc, has beendetected. The distribution of the absorbing matter in the observed areais studied. We presume that the stars HD 75 063 and 76 534 are probablyembedded in a circumstellar dust shell. All observed stars, includingthose with unknown spectra, are early type stars.

Distribution of hot stars and interstellar dust in Carina.
Not Available

Observations of a region of the Carina OB 1 association using the "Glazar" space telescope.
Not Available

Multicolor photometric and spectroscopic observations of the van den Bergh and Hagen cluster no. 99
Multicolor photometry and MK classification spectroscopy have beenobtained for the sparse collection of stars known as van den Bergh andHagen cluster No. 99. The group appears to be a true open clustercomposed of at least 24 members with a mean reddening of E(B-V) = 0.05mag, a mean distance modulus of 8.30 mag and an age of approximately 100million years.

Morphology, kinematics and stellar content of the ring nebula around the WC 6 star HD 92809 (= WR 23)
Monochromatic photographs and H-alpha interferograms were acquired ofthe nebulae around HD 92809 in order to model the morphology andkinematics of the northern part of the Carina Nebula. Attention wasgiven to the excitation mechanisms active in the region, the stellarcontent and reddening, and the H-alpha velocity field. The studyrevealed two distinct features: the G 287.22 + 0.05 nebula and a nebularring around HD 92809. The ring features optically thin filaments to oneside and optically thick filaments to the opposite side. Nodetermination could be made of the expansion velocity of the ring. Thenebula G 287.22 has a uniform radial velocity of -27 km/sec, whichdiverges sufficiently from the Carina OB1 velocity field to lead to thehypothesis that it is associated with a second WC 6 star in the field.The location of the progenitor object for HD 92809 could not beidentified.

The young open cluster NGC 3293 and its relation to CAR OB1 and the Carina Nebula complex
On the basis of visible evidence, NGC 3293 appears to be associated witha number of objects in the Carina Nebula complex. UBVRI photoelectricphotometry and MK-spectral specifications are presented for a largenumber of stars in this cluster and its surroundings (Car OB1). Over 70cluster members with spectral types earlier than B9 are identified. Starcounts indicate that the expected number of members brighter than V = 18is 297 plus or minus 9. The cluster appears to be situated just in frontof a dense dust lane, which itself appears to be part of the dustcomplex emanating from the center of the Carina Nebula.

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Observation and Astrometry data

Constellation:りゅうこつ座
Right ascension:10h39m02.92s
Declination:-58°48'56.2"
Apparent magnitude:7.892
Distance:10000000 parsecs
Proper motion RA:-13.9
Proper motion Dec:3.6
B-T magnitude:8.579
V-T magnitude:7.949

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 303182
TYCHO-2 2000TYC 8613-490-1
USNO-A2.0USNO-A2 0300-10225375
HIPHIP 52133

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