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Titolo:
AN ATLAS OF H-ALPHA EMITTING REGIONS IN M33 - A SYSTEMATIC SEARCH FORSS433 STAR CANDIDATES
Autore:
CALZETTI D; KINNEY AL; FORD H; DOGGETT J; LONG KS;
Indirizzi:
SPACE TELESCOPE SCI INST,3700 SAN MARTIN DR BALTIMORE MD 21218 JOHNS HOPKINS UNIV,DEPT PHYS & ASTRON BALTIMORE MD 21218
Titolo Testata:
The Astronomical journal
fascicolo: 6, volume: 110, anno: 1995,
pagine: 2739 -
SICI:
0004-6256(1995)110:6<2739:AAOHER>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
WOLF-RAYET STARS; SS-433; M-33; REMNANT; W50;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
D. Calzetti et al., "AN ATLAS OF H-ALPHA EMITTING REGIONS IN M33 - A SYSTEMATIC SEARCH FORSS433 STAR CANDIDATES", The Astronomical journal, 110(6), 1995, pp. 2739

Abstract

We report finding charts and accurate positions for 432 compact Her emitting regions in the Local Group Galaxy M33 (NGC 598), in an effort to isolate candidates for an SS433-like stellar system. The objects were extracted from narrowband images, centered in the rest-frame H alpha (lambda 6563 Angstrom) and in the red continuum at 6100 Angstrom. The atlas is complete down to V similar or equal to 20 and includes 279 compact H II regions and 153 line emitting point-like sources. The point-like sources undoubtedly include a variety of objects: very small HII regions, early type stars with intense stellar winds, and Wolf-Rayet stars, but should also contain objects with the characteristics of SS433. This extensive survey of compact H alpha regions in M33 is a first step towards the identification of peculiar stellar systems like SS433 in external galaxies. (C) 1995 American Astronomical Society.

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Documento generato il 29/11/20 alle ore 00:32:19