Results 61 to 70 of about 2,487,342 (212)

LAMOST J2043+3413—a Fast Disk Precession SW Sextans Candidate in Period Gap

open access: yesThe Astronomical Journal, 2023
We present follow-up photometric observations and time-series analysis of a nova-like, SW Sextans-type, cataclysmic variable (CV) candidate, LAMOST J204305.95+341340.6 (hereafter J2043+3413), with a Gaia G -band magnitude of 15.30 and a distance of 990 ...
Xin Li   +7 more
doaj   +1 more source

The End of Self‐Regulation: Will the Football Governance Act 2025 Fix the National Game?

open access: yesThe Modern Law Review, Volume 89, Issue 4, Page 628-658, July 2026.
The Football Governance Act 2025 is a watershed. It upends the model of self‐regulation that has defined how the game has been run in England and Wales for over a century‐and‐a‐half. The newly created Independent Football Regulator will exercise control over clubs, owners, and competition organisers.
Jan Zglinski
wiley   +1 more source

The K-band spectrum of the cataclysmic variable RXJ 0502.8+1624 (Tau 4)

open access: yes, 2005
We present the K-band spectrum of the cataclysmic variable RXJ 0502.8+1624 (Tau 4). The spectrum shows a broad, smooth hump, with no absorption lines from the secondary star visible.

core   +1 more source

Development of a Period Analysis Algorithm for Detecting Variable Stars in Time-Series Observational Data

open access: yesJournal of Astronomy and Space Sciences, 2019
The purpose of this study was to develop a period analysis algorithm for detecting new variable stars in the time-series data observed by charge coupled device (CCD). We used the data from a variable star monitoring program of the CBNUO.
Kim, Dong-Heun   +3 more
doaj   +1 more source

The ethics of responding to democratic backsliding abroad

open access: yesAmerican Journal of Political Science, Volume 70, Issue 3, Page 849-863, July 2026.
Abstract The past decade has seen a marked shift as many previously liberal democratic states have backslidden, taking authoritarian turns. How should liberal actors respond to democratic backsliding by others? Although it might seem that it is vital for liberal actors to react robustly to avoid complicity or to maintain their liberal integrity, this ...
James Pattison
wiley   +1 more source

RR Lyrae stars in the GCVS observed by the Qatar Exoplanet Survey [PDF]

open access: yes, 2015
This publication was made possible by NPRP grant # X-019-1-006 from the Qatar National Research Fund (a member of Qatar Foundation). AAF is grateful to DGAPA-UNAM for grant number IN104612.We used the light curve archive of the Qatar Exoplanet Survey to ...
Bramich, Daniel Martyn   +7 more
core   +1 more source

Constraining the White-dwarf Mass and Magnetic Field Strength of a New Intermediate Polar through X-Ray Observations

open access: yesThe Astrophysical Journal, 2023
We report timing and broadband spectral analysis of a Galactic X-ray source, CXOGBS J174517.0−321356 (J1745), with a 614 s periodicity. Chandra discovered the source in the direction of the Galactic Bulge.
Benjamin Vermette   +11 more
doaj   +1 more source

A spectrophotometric survey of cataclysmic variable stars

open access: yesThe Astronomical Journal, 1982
A sample of dwarf novae and other cataclysmic variable stars were observed using the multichannel spectrophotometer on the 5-m Hale reflector. A preliminary qualitative description of the continuum distributions is given and a discussion of the Balmer emission-line fluxes is made.
J. B. Oke, R. A. Wade
openaire   +1 more source

Deep Segregation: Informality, Trust and the Making of Discrimination in Markets

open access: yesAntipode, Volume 58, Issue 4, July 2026.
ABSTRACT This article advances the concept of deep segregation to theorise how social exclusion is produced through the everyday organisation of market access rather than through spatial separation alone. Deep segregation refers to a relational and processual form of segregation constituted through segmented routes of access, intermediary networks and ...
Mohsin Alam Bhat, Asaf Ali Lone
wiley   +1 more source

The AH Pictoris Syndrome: Continuous Trains of Stunted Outbursts in Novalike Variables

open access: yesThe Astrophysical Journal
Novalike variables are a subgroup of cataclysmic variables (CVs) that—unlike dwarf novae—do not exhibit strong brightenings in their long-term light curves.
Albert Bruch
doaj   +1 more source

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