Transitional YSOs candidates (Magnier+, 1999)

Details Transitional YSOs candidates (Magnier+, 1999) Transitional YSOs candidates (Magnier+, 1999)

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..33520228m&link_type=abstract

VizieR On-line Data Catalog: J/A+A/352/228. Originally published in: 1999A&A...352..228M

Other

Ysos, Infrared Sources

Scientific paper

We are searching for Young Stellar Objects (YSOs) near the boundary between protostars and pre-main-sequence objects, what we term Transitional YSOs. We have identified a sample of 125 objects as candidate transitional YSOs on the basis of IRAS colors and the optical appearance on POSS plates. We have obtained optical and near-IR imaging of 82 objects accessible from the Northern Hemisphere and optical images of 62 sources accessible from the South. We also created deconvolved 60μm IRAS images of all sources. We have classified the objects on the basis of their morphology in the optical and near-IR images. We find that the majority of our objects are associated with star-forming regions, confirming our expectation that the bulk of these objects are YSOs. Of the 125 objects, 28 have a variety of characteristics very similar to other transitional YSOs, while another 22 show some of these characteristics. Furthermore we have found seven objects to be good candidates for members of the Herbig Ae/Be stellar group, of which three are newly identified as such. (1 data file).

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