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Titolo:
Near-infrared observations of S 255-2: The heart of a massive YSO cluster
Autore:
Itoh, Y; Tamura, M; Suto, H; Hayashi, SS; Murakawa, K; Oasa, Y; Nakajima, Y; Kaifu, N; Kosugi, G; Usuda, T; Doi, Y;
Indirizzi:
Subaru Telescope, Hilo, HI 96720 USA Subaru Telescope Hilo HI USA 96720Subaru Telescope, Hilo, HI 96720 USA Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan Natl Astron Observ Japan Mitaka Tokyo Japan 1818588 Tokyo 1818588, Japan Univ Hertfordshire, Hatfield AL10 9AB, Herts, England Univ Hertfordshire Hatfield Herts England AL10 9AB 10 9AB, Herts, England Univ Tokyo, Mitaka, Tokyo 1818588, Japan Univ Tokyo Mitaka Tokyo Japan 1818588 Tokyo, Mitaka, Tokyo 1818588, Japan Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648602, Japan Nagoya Univ Nagoya Aichi Japan 4648602 a Ku, Nagoya, Aichi 4648602, Japan
Titolo Testata:
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
fascicolo: 3, volume: 53, anno: 2001,
pagine: 495 - 500
SICI:
0004-6264(2001)53:3<495:NOOS2T>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
H-II REGIONS; MOLECULAR CLOUDS; STANDARD STARS; PHOTOMETRY; EMISSION; OBJECTS; SEARCH; SYSTEM;
Keywords:
infrared : stars; ISM : reflection nebulae; stars : formation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Itoh, Y Subaru Telescope, 650 NAohoku Pl, Hilo, HI 96720 USA Subaru Telescope 650 NAohoku Pl Hilo HI USA 96720 lo, HI 96720 USA
Citazione:
Y. Itoh et al., "Near-infrared observations of S 255-2: The heart of a massive YSO cluster", PUB AST S J, 53(3), 2001, pp. 495-500

Abstract

High-resolution near-infrared (J H K L ' M ') images of a massive star-forming region, S 255-2, were obtained with the Subaru Telescope and an infrared camera, CIAO. These images clearly resolve two sets of bipolar nebulae illuminated by two independent massive YSOs. A number of cluster member YSOshave been detected, including 3 new sources. Seven early-B type stars havebeen identified within 10 pc of S 255-2; three are associated with extended optical HII regions. The variation in the appearance of these early-B type stars suggests an evolutionary sequence of massive stars in the S 255 region.

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Documento generato il 14/07/20 alle ore 06:34:53