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4 papers · 2 filters
A deep catalogue of classical Be stars in the direction of the Perseus Arm: spectral types and interstellar reddenings
R. Raddi, J. E. Drew, D. Steeghs +5
We present a catalogue of 247 photometrically and spectroscopically confirmed fainter classical Be stars (13 < r < 16) in the direction of the Perseus Arm of the Milky Way (-1 < b…
The Chandra Cygnus OB2 Legacy Survey: Design and X-ray Point Source Catalog
Nicholas J. Wright, Jeremy J. Drake, Mario G. Guarcello +5
The Cygnus OB2 association is the largest concentration of young and massive stars within 2 kpc of the Sun, including an estimated 65 O-type stars and hundreds of OB stars. The Cha…
First release of the IPHAS Catalogue of New Extended Planetary Nebulae
L. Sabin, Q. A. Parker, R. L. M Corradi +21
We present the first results of our search for new, extended Planetary Nebulae (PNe) based on careful, systematic, visual scrutiny of the imaging data from the INT Photometric H-al…
Burn Out or Fade Away? On the X-ray and Magnetic Death of Intermediate Mass Stars
Jeremy J. Drake, Jonathan Braithwaite, Vinay Kashyap +2
The nature of the mechanisms apparently driving X-rays from intermediate mass stars lacking strong convection zones or massive winds remains poorly understood, and the possible rol…