Results 81 to 90 of about 179 (144)
Stellar Atmospheric Parameters of ∼11,000 RR Lyrae Stars from LAMOST Spectra
The Astrophysical Journal Supplement SeriesAccurate determination of the stellar atmospheric parameters of RR Lyrae stars (RRLs) requires short individual exposures of the spectra to mitigate pulsation effects.
Jiangtao Wang +4 more
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Color–Magnitude Diagram of NGC 205 and Its RR Lyrae Variables
The Astronomical JournalWe present the deepest color–magnitude diagram (CMD) for NGC 205 in the F606W (≈ V ) and F814W (≈ I ) filters. Our archival Hubble Space Telescope/Advanced Camera for Surveys field is centered ∼3 $\mathop{.}\limits^{{\rm{^{\prime} }}}$ 8 northwest of the
Ata Sarajedini
doaj +1 more source
Data smashing: uncovering lurking order in data. [PDF]
J R Soc Interface, 2014 Chattopadhyay I, Lipson H.
europepmc +1 more source
The Lack of RR Lyrae Variables in Ultrafaint Dwarf Galaxy Sextans II
The Astronomical JournalRR Lyrae in ultrafaint dwarf (UFD) galaxies, if found, would be valuable to constrain the distances of these UFD. In this work, we report our search of RR Lyrae in a recently discovered UFD—Sextans II. Based on multiband (griz) time-series archival DECam
Chow-Choong Ngeow, Anupam Bhardwaj
doaj +1 more source
Modifying the Standard Disk Model for the Ultraviolet Spectral Analysis of Disk-dominated Cataclysmic Variables. I. The Novalikes MV Lyrae, BZ Camelopardalis, and V592 Cassiopeiae. [PDF]
Astrophys J, 2017 Godon P +4 more
europepmc +1 more source
First Detection of Shock Waves in RRc Stars
The Astrophysical JournalAlthough shock waves have been well documented in fundamental-mode RRab stars, their existence in first-overtone pulsator stars, RRc stars, has remained uncertain. Building upon the spectroscopic frameworks established by M. Chadid et al., we present the
Junzhang Li, Merieme Chadid
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Globular clusters, Hipparcos, and the age of the galaxy. [PDF]
Proc Natl Acad Sci U S A, 1998 Reid N.
europepmc +1 more source