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The onset of cluster formation around Herbig Ae/Be stars
L. Testi, F. Palla, A. Natta
The large body of near infrared observations presented in Testi et al. (1997; 1998) are analysed with the aim of characterizing the young stellar clusters surrounding Herbig Ae/Be…
Star formation in clusters: a survey of compact mm-wave sources in the Serpens core
Leonardo Testi, Anneila Sargent
We report the results of a millimeter interferometric survey of compact 3 mm continuum sources in the inner 5.5'x5.5' region of the Serpens core. We detect 32 discrete sources abov…
IRAS 23385+6053: A Prototype Massive Class 0 Object
Sergio Molinari, Leonardo Testi, Jan Brand +2
IRAS 23385+6053 is a Young Stellar Object with luminosity 16,000 solar luminosities at a kinematic distance of 4.9 kpc. This candidate precursor of an ultracompact HII region is as…
Northern JHK Standard Stars for Array Detectors
L. K. Hunt, F. Mannucci, L. Testi +5
We report J, H and K photometry of 86 stars in 40 fields in the northern hemisphere. The fields are smaller than or comparable to a 4x4 arcmin field-of-view, and are roughly unifor…