Next meeting:
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Votes: 1
5 years ago Author:
Samantha M. Benincasa, James W. Wadsley, Hugh M. P. Couchman, Alex R. Pettitt, Ben W. Keller, Rory M. Woods, Jasper J. Grond
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Votes: 1
5 years ago Author:
Marcel S. Pawlowski, Pavel Kroupa
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Votes: 1
5 years ago
Title:
VIS3COS: III. environmental effects on the star formation histories of
galaxies at z~0.8 seen in [OII], H$\delta$, and Dn4000
(View PDF)
Author:
Ana Paulino-Afonso, David Sobral, Behnam Darvish, Bruno Ribeiro, Ian Smail, Philip Best, Andra Stroe, Joseph Cairns
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Votes: 1
5 years ago Author:
Jane Lin, Martin Asplund, Yuan-Sen Ting, Luca Casagrande, Sven Buder, Joss Bland-Hawthorn, Andrew R. Casey, Gayandhi M. De Silva et al.
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Votes: 1
5 years ago
Title:
The Dark Matter Distributions in Low-Mass Disk Galaxies. II. The Inner
Density Profiles
(View PDF)
Author:
Nicole C. Relatores, Andrew B. Newman, Joshua D. Simon, Richard S. Ellis, Phuongmai Truong, Leo Blitz, Alberto Bolatto, Christopher Martin et al.
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Votes: 1
5 years ago
Title:
Stellar population models based on the SDSS-IV MaStar library of stellar
spectra. I. Intermediate-age/old models
(View PDF)
Author:
C. Maraston, L. Hill, D. Thomas, R. Yan, Y. Chen, J. Lian, T. Parikh, J. Neumann et al.
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Votes: 1
5 years ago Author:
C. S. Kochanek
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Votes: 1
5 years ago Author:
John P. Ahlers, Ethan Kruse, Knicole D. Colon, Patrick Dorval, Geert Jan Talens, Ignas Snellen, Simon Albrecht, Gilles Otten et al.
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Votes: 1
5 years ago
Title:
Modelling the quenching of star formation activity from the evolution of
the colour-magnitude relation in VIPERS
(View PDF)
Author:
G. Manzoni, M. Scodeggio, C. M. Baugh, P. Norberg, G. De Lucia, A. Fritz, C. P. Haines, G. Zamorani et al.
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5 years ago
Title: A noninteracting low-mass black hole–giant star binary system
Link: https://science.sciencemag.org/content/366/6465/637
Description: Black hole binary systems with companion stars are typically found via their x-ray emission, generated by interaction and accretion. Noninteracting binaries are expected to be plentiful in the Galaxy but must be observed using other methods. We combine radial velocity and photometric variability data to show that the bright, rapidly rotating giant star 2MASS J05215658+4359220 is in a binary system with a massive unseen companion. The system has an orbital period of ~83 days and near-zero eccentricity. The photometric variability period of the giant is consistent with the orbital period, indicating star spots and tidal synchronization. Constraints on the giant’s mass and radius imply that the unseen companion is 3.3+2.8−0.7 solar masses, indicating that it is a noninteracting low-mass black hole or an unexpectedly massive neutron star.
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