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TYC 5964-12-1


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Identification of 106 new infrared carbon stars in the IRAS Point Source Catalog - Near-infrared photometry and their space distribution in the galaxy
A method based solely on IR colors - the combination of near-IR and IRAScolors - is used to identify 106 new IR carbon stars (IRCS). It is shownthat the proportion of IRCS in a region of the IRAS two-color diagrampreviously thought to contain the largest concentration of such stars isnot as large as expected for the faintest objects. A local spatialnumber density of about 12 IRCS/sq kpc is estimated. It is shown to beuniform within 5 to 11 kpc from the galactic center. The local ratio ofIRCS to optical carbon stars is found to be about 35 percent. A totalrestitution rate of about 10 to the -4 solar masses/yr/sq kpc isderived. The efficiency of the combination of near and mid-IR photometryfor the study of AGB stars is confirmed.

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Osservazione e dati astrometrici

Costellazione:Cane Maggiore
Ascensione retta:07h09m23.26s
Declinazione:-15°01'35.2"
Magnitudine apparente:8.669
Distanza:10000000 parsec
Moto proprio RA:-1.2
Moto proprio Dec:0.9
B-T magnitude:11.141
V-T magnitude:8.874

Cataloghi e designazioni:
Nomi esatti   (Edit)
TYCHO-2 2000TYC 5964-12-1
USNO-A2.0USNO-A2 0675-05024623
HIPHIP 34542

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