Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ncimc..13..269c&link_type=abstract
Nuovo Cimento C, Serie 1 (ISSN 0390-5551), vol. 13 C, Jan.-Feb. 1990, p. 269-278.
Astronomy and Astrophysics
Astronomy
Herbig-Haro Objects, Infrared Sources (Astronomy), Reflection Nebulae, Infrared Astronomy Satellite, Infrared Photometry, Luminosity, Star Formation, Stellar Evolution, Stellar Mass Ejection
Scientific paper
IRAS data, previously published NIR photometry, and NIR photometric observations obtained with the 1-m telescope at ESO in March 1987 are presented for 1-deg-diameter fields centered on (1) HH 51 and (2) HH 48/49/50 in the Cha 1 dark cloud. The results are compiled in extensive tables and graphs and discussed in detail: six sources in field (1) and 11 sources in field (2) are characterized in terms of cloud membership, energy distribution, and luminosity. In field (1), no clear evidence is found pointing to one source as the exciter of the HH object, although the IRAS source numbered 4 is considered a more likely candidate than IRAS no. 5 (XX Cha). For field (2), the suggested exciter is IRAS no. 4, also identified by Cohen and Schwartz (1987), apparently a T Tau star embedded in the HH envelope.
Ceccarelli Cecilia
Lorenzetti Dario
Nisini Brunella
Saraceno Paolo
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