888 citations
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41 papers · 1 filter
A Search for Photometric Variability Towards M71 with the Near-Infrared Transiting ExoplanetS Telescope
J. McCormac, I. Skillen, D. Pollacco +5
We present the results of a high-cadence photometric survey of an field centred on the globular cluster M71, with the Near-Infrared Transiting ExoplanetS Telescope.…
KIC11911480: the second ZZ Ceti in the field
S. Greiss, B. T. Gaensicke, J. J. Hermes +5
We report the discovery of the second pulsating hydrogen-rich (DA) white dwarf in the field, KIC11911480. It was selected from the -INT Survey (KIS) on the basis o…
The VLT-FLAMES Tarantula Survey. XIII: On the nature of O Vz stars in 30 Doradus
C. Sabín-Sanjulián, S. Simón-Díaz, A. Herrero +13
AIMS. We test the hypothesis of O Vz stars (characterized by having HeII4686 stronger in absorption than other He lines in their blue-violet spectra) being at a younger evolutionar…
On the nature of the WO3 star DR1 in IC 1613
F. Tramper, G. Gräfener, O. E. Hartoog +8
We present the results of a quantitative spectroscopic analysis of the oxygen-sequence Wolf- Rayet star DR1 in the low-metallicity galaxy IC 1613. Our models suggest that the stron…
Discovery of secular variations in the atmospheric abundances of magnetic Ap stars
J. D. Bailey, J. D. Landstreet, S. Bagnulo
The stars of the middle main sequence have relatively quiescent outer layers, and unusual chemical abundance patterns may develop in their atmospheres. The presence of chemical pec…
Time Monitoring of Radio Jets and Magnetospheres in the Nearby Young Stellar Cluster R Coronae Australis
Hauyu Baobab Liu, Roberto Galván-Madrid, Jan Forbrich +9
We report JVLA 8-10 GHz (=3.0-3.7 cm) monitoring observations toward the YSO cluster R Coronae Australis (R\,CrA), taken in 2012, from March 15 to September 12. These observatio…