27 citations · 52 across the 4 of their papers we have counts for
4 papers
The New EXor Outburst of ESO-H-alpha~99 observed by Gaia ATLAS and TESS
Klaus W. Hodapp, Bo Reipurth, Bertil Pettersson +11
We report photometry and spectroscopy of the outburst of the young stellar object ESO-Halpha 99. The outburst was first noticed in Gaia alert Gaia18dvc and later by ATLAS. We have…
Halpha emission-line stars in molecular clouds III. Canis Major
B. Pettersson, B. Reipurth
A deep objective-prism survey for H-alpha emission stars towards the Canis Major star-forming clouds was performed. A total of 398 Halpha emitters were detected, 353 of which are n…
Halpha emission-line stars in molecular clouds. II. The M42 region
Bertil Pettersson, Tina Armond, Bo Reipurth
We present a deep survey of Halpha emission-line stars in the M42 region using wide-field objective prism films. A total of 1699 Halpha emission-line stars were identified, of whic…
Abundance Analysis and Origin of the Zeta Sculptoris Open Cluster
Bengt Edvardsson, Bertil Pettersson, Maryam Kharrazi +1
We have determined chemical abundances and radial velocities for stars in the field of the zeta Sculptoris cluster. We find that the cluster metal deficiency previously found from…