astro-ph vom 2018-05-08

New variable stars in the Galactic Bulge: I. The bright regime
Space-Based Coronagraphic Imaging Polarimetry of the TW Hydrae Disk: Shedding New Light on Self-Shadowing Effects
Gaia Data Release 2: The first Gaia catalog of Long Period Variable candidates
Anm.: „Gaia Data Release 2 (DR2) provides a unique all-sky catalog of 550’737 variable stars, of which 151’761 are Long Period Variable (LPV) candidates with G variability amplitudes larger than 0.2 mag. About one fifth of the LPV candidates are Mira candidates, the majority of the rest being semi-regular variable candidates. For each source, G, BP and RP photometric time series are published, together with some LPV-specific attributes for the subset of 89’617 candidates with periods in G larger than 60 days. …“
Gaia Data Release 2: Specific characterisation and validation of all-sky Cepheids and RR Lyrae stars
Anm.: „… Gaia DR2 for a total of 150,359 sources distributed all over the sky: 9,575 are classified as Cepheids and 140,784 as RR Lyrae stars. …“
Testing the disk instability model of cataclysmic variables
The Type IIn Supernova 2010bt: The Explosion of a Star in Outburst
First direct detection of a polarized companion outside of a resolved circumbinary disk around CS Cha
Nebular spectroscopy of SN 2014J: Detection of stable nickel in near infrared spectra
Simulating the Response of the Secondary Star of Eta Carinae to Mass Accretion at periastron Passage

PGP-Fingerprint: 1E72 BFA1 0B12 168B 2DE0 9508 116E F5E9 DD86 77B1


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