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- Centre National de la Recherche ScientifiqueFR94 papers
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38 papers · 1 filter
Deep Drilling in the Time Domain with DECam: Survey Characterization
Melissa L. Graham, Robert A. Knop, Thomas Kennedy +41
This paper presents a new optical imaging survey of four deep drilling fields (DDFs), two Galactic and two extragalactic, with the Dark Energy Camera (DECam) on the 4 meter Blanco…
white dwarfs within 40 pc III: spectroscopic observations of new candidates in the southern hemisphere
Mairi W. O'Brien, P. -E. Tremblay, N. P. Gentile Fusillo +31
We present a spectroscopic survey of 248 white dwarf candidates within 40 pc of the Sun; of these 244 are in the southern hemisphere. Observations were performed mostly with the Ve…
The Interaction of Supernova 2018evt with a Substantial Amount of Circumstellar Matter -- An SN1997cy-like Event
Yi Yang, Dietrich Baade, Peter Hoeflich +29
A rare class of supernovae (SNe) is characterized by strong interaction between the ejecta and several solar masses of circumstellar matter (CSM) as evidenced by strong Balmer-line…
A segmented period-luminosity relation for nearby extragalactic Scuti stars
C. E. Martínez-Vázquez, R. Salinas, A. K. Vivas +1
The period-luminosity relations (PLR) of Milky Way Scuti ( Sct) stars have been described to the present day by a linear relation. However, when studying extragalactic syste…
TFAW survey II: 6 Newly Validated Planets and 13 Planet Candidates from K2
D. del Ser, O. Fors, M. del Alcázar +7
Searching for Earth-sized planets in data from Kepler's extended mission (K2) is a niche that still remains to be fully exploited. The TFAW survey is an ongoing project that aims t…
Survey for Distant Solar Twins (SDST) -- II. Design, observations and data
Fan Liu, Michael T. Murphy, Christian Lehmann +5
Studies of solar twins have key impacts on the astronomical community, but only 100--200 nearby solar twins ( 1 kpc) have been reliably identified over the last few decade…