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Revealing the Nature of Extreme Coronal-line Emitter SDSS J095209.56+214313.3
Lovro Palaversa, Suvi Gezari, Branimir Sesar +4
Extreme coronal-line emitter (ECLE) SDSSJ095209.56+214313.3, known by its strong, fading, high ionization lines, has been a long standing candidate for a tidal disruption event, ho…
Investigating Cepheid Carinae's Cycle-to-cycle Variations via Contemporaneous Velocimetry and Interferometry
R. I. Anderson, A. Mérand, P. Kervella +8
Baade-Wesselink-type (BW) techniques enable geometric distance measurements of Cepheid variable stars in the Galaxy and the Magellanic clouds. The leading uncertainties involved co…
The astrometric Gaia-FUN-SSO observation campaign of 99 942 Apophis
W. Thuillot, D. Bancelin, A. Ivantsov +71
Astrometric observations performed by the Gaia Follow-Up Network for Solar System Objects (Gaia-FUN-SSO) play a key role in ensuring that moving objects first detected by ESA's Gai…
Total eclipse of the heart: The AM CVn Gaia14aae / ASSASN-14cn
H. C. Campbell, T. R. Marsh, M. Fraser +82
We report the discovery and characterisation of a deeply eclipsing AM CVn-system, Gaia14aae (= ASSASN-14cn). Gaia14aae was identified independently by the All-Sky Automated Survey…
Highlights of the LINEAR survey
Lovro Palaversa
Lincoln Near-Earth Asteroid Research asteroid survey (LINEAR) observed approximately 10,000 deg of the northern sky in the period roughly from 1998 to 2013. Long baseline of ob…
Revealing δ Cephei's Secret Companion and Intriguing Past
Richard I. Anderson, Johannes Sahlmann, Berry Holl +5
Classical Cepheid variable stars are crucial calibrators of the cosmic distance scale thanks to a relation between their pulsation periods and luminosities. Their archetype, δ Ceph…