Results 121 to 130 of about 6,211 (193)

Amplitude and frequency variations in PG~0101+039 from K2 photometry -- A pulsating hot B subdwarf star in an unsynchronized binary system [PDF]

, 2023
Xiao-Yu Ma, Weikai Zong, Jian-Ning Fu, S. Charpinet, Jiaxin Wang, Keyu Xing   +5 more
openalex   +1 more source

The O-C diagram of the subdwarf B pulsating star HS2201+2610: detection of a giant planet? [PDF]

, 2007
R. Silvotti, Sonja Schuh, R. Janulis, S. Bernabei, R. H. Østensen, J.‐E. Solheim, I. Bruni, R. Gualandi, T. D. Oswalt, A. Bonanno, B. Mignemi, the Whole Earth Telescope Xcov collaboration   +11 more
openalex   +1 more source

Some Subdwarf Models

, 1962
In this paper we present the results obtained from the numerical integration of the equations for the case of subdwarfs with masses comparable and somewhat larger than that of the Sun.
Varsavsky, Carlos Manuel, Gratton, Fausto Tulio Livio, Pöppel, Wolfgang Günther León   +2 more
openaire   +1 more source

Accurate mass and radius determinations of a cool subdwarf in an eclipsing binary. [PDF]

Nat Astron, 2019
Rebassa-Mansergas A, Parsons SG, Dhillon VS, Ren J, Littlefair SP, Marsh TR, Torres S.   +6 more
europepmc   +1 more source

The hot subdwarf B + white dwarf binary KPD 1930+2752 - a Supernova Type Ia progenitor candidate [PDF]

, 2006
S. Geier, S. Neßlinger, U. Heber, N. Przybilla, R. Napiwotzki, Rolf‐Peter Kudritzki   +5 more
openalex   +1 more source

Hot Subdwarfs in Binaries as the Source of the Far-UV Excess in Elliptical Galaxies [PDF]

, 2008
Philipp Podsiadlowski, Zhanwen Han, A. E. Lynas-Gray, J. Brown   +3 more
openalex   +1 more source

The EXOTIME project: signals in the O–C diagrams of the rapidly pulsating subdwarfs DW Lyn, V1636 Ori, QQ Vir, and V541 Hya [PDF]

, 2020
F. Mackebrandt, Sonja Schuh, R. Silvotti, Seung‐Lee Kim, D. Kilkenny, E. M. Green, Ronny Lutz, T. Nagel, J. L. Provencal, Tomomi Otani, T. D. Oswalt, S. Benatti, L. Lanteri, A. Bonanno, A. Frasca, R. Janulis, M. Paparó, L. Molnár, R. Claudi, R. H. Østensen   +19 more
openalex   +1 more source

A Brown Dwarf Orbiting around the Planetary-nebula Central Binary KV Vel

The Astrophysical Journal
KV Vel is a noneclipsing short-period ( P = 0.3571 days) close binary containing a very hot subdwarf primary (77,000 K) and a cool low-mass secondary star (3400 K) that is located at the center of the planetary nebula DS 1.
S.-B. Qian, L.-Y. Zhu, F.-X. Li, L.-J. Li, Z.-T. Han, J.-J. He, L. Zang, L.-F. Chang, Q.-B. Sun, M.-Y. Li, H.-T. Zhang, F.-Z. Yan   +11 more
doaj   +1 more source

Detection of the Progenitors of Be X-ray Binaries. [PDF]

Proc Int Astron Union, 2018
Gies D, Wang L, Peters G.
europepmc   +1 more source

A Search for Subdwarf B Binaries Using Pulsation Timing from TESS

The Astronomical Journal
Hot subdwarf B (sdB) stars are post-main-sequence stars of high temperature and gravity. Approximately 30% of sdBs exhibit stable pressure and/or gravity-mode pulsations, which can be used via the timing method to test for companion stars and determine ...
Tomomi Otani, A. S. Baran, Lindsay C. Spence, Ted von Hippel, E. Lynum- Lozano, Julia. M. Clark   +5 more
doaj   +1 more source