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- Carnegie ObservatoriesUS418 papers
- Carnegie Institution for ScienceUS322 papers
- European Southern ObservatoryCL167 papers
- Center for Astrophysics Harvard & SmithsonianUS148 papers
- University of ChileCL142 papers
- Aarhus UniversityDK136 papers
- Space Telescope Science InstituteUS132 papers
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10 papers · 2 filters
Possible astrometric discovery of a substellar companion to the closest binary brown dwarf system WISE J104915.57-531906.1
H. M. J. Boffin, D. Pourbaix, K. Muzic +7
Using FORS2 on the Very Large Telescope, we have astrometrically monitored over a period of two months the two components of the brown dwarf system WISE J104915.57-531906.1, the cl…
Characterizing a Dramatic Flare on an Ultracool Dwarf Found by the ASAS-SN Survey
Sarah J. Schmidt, Jose L. Prieto, K. Z. Stanek +19
We analyze a magnitude flare on the newly identified M8 dwarf SDSS J022116.84+194020.4 (hereafter SDSSJ0221) detected as part of the All-Sky Automated Survey for Superno…
SN 2009N: Linking normal and subluminous type II-P SNe
K. Takáts, M. L. Pumo, N. Elias-Rosa +31
We present ultraviolet, optical, near-infrared photometry and spectroscopy of SN 2009N in NGC 4487. This object is a type II-P supernova with spectra resembling those of subluminou…
Identification of red supergiants in nearby galaxies with mid-IR photometry
N. E. Britavskiy, A. Z. Bonanos, A. Mehner +3
The role of episodic mass loss in massive star evolution is one of the most important open questions of current stellar evolution theory. Episodic mass loss produces dust and there…
Hubble Space Telescope and Ground-Based Observations of the Type Iax Supernovae SN 2005hk and SN 2008A
Curtis McCully, Saurabh W. Jha, Ryan J. Foley +24
We present Hubble Space Telescope (HST) and ground-based optical and near-infrared observations of SN 2005hk and SN 2008A, typical members of the Type Iax class of supernovae (SNe)…
A statistical analysis of circumstellar material in Type Ia supernovae
Kate Maguire, Mark Sullivan, Ferdinando Patat +42
A key tracer of the elusive progenitor systems of Type Ia supernovae (SNe Ia) is the detection of narrow blueshifted time-varying Na I D absorption lines, interpreted as evidence o…