Next meeting:
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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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Votes: 1
5 years ago Author:
A. N. Heinze, Joseph Trollo, Stanimir Metchev
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Votes: 1
5 years ago
Title:
A Dance with Dragons: TESS reveals $\alpha$ Draconis is a detached
eclipsing binary
(View PDF)
Author:
Timothy R. Bedding, Daniel R. Hey, Simon J. Murphy
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Votes: 1
5 years ago
Title:
Oxygen fugacities of extrasolar rocks: Evidence for an Earth-like
geochemistry of exoplanets
(View PDF)
Author:
Alexandra E. Doyle, Edward D. Young, Beth Klein, Ben Zuckerman, Hilke Schlichting
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Votes: 1
5 years ago
Title:
A 100-kiloparsec wind feeding the circumgalactic medium of a massive
compact galaxy
(View PDF)
Author:
David S. N. Rupke, Alison Coil, James E. Geach, Christy Tremonti, Aleksandar M. Diamond-Stanic, Erin R. George, Ryan C. Hickox, Amanda A. Kepley et al.
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Votes: 1
5 years ago Author:
Timothy Carleton, Yicheng Guo, Hooshang Nayyeri, Michael Cooper, Gregory Rudnick, Katherine Whitaker
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