104 citations · 359 across the 15 of their papers we have counts for
16 papers
Gaia in Technicolor. I. A Simple Variability-Encoded Color-Magnitude Diagram
Brad N. Barlow, Bennett C. Kirby
The Hertzsprung-Russell diagram is one of the most important tools in stellar astrophysics. In its modern, empirical form as the Gaia color-magnitude diagram (CMD), each star is re…
BLG723.31.34651 as an eclipsing Roche lobe-filling sdOB+WD binary
Alekzander Kosakowski, Charles E. Derbyshire, Sydney Jetton +1
We present a detailed observational analysis of BLG723.31.34651, the fourth reported eclipsing member of the class of Roche lobe-filling hot subdwarfs, using time series spectrosco…
Periodic Radio and X-ray Emission from an Accreting White Dwarf Binary
Kovi Rose, Joshua Pritchard, Tara Murphy +26
Long period radio transients (LPTs) are coherent bursts of polarised radio emission that repeat periodically on timescales of minutes to hours. Little is known about the physical o…
Spectroscopic follow-up of hot subdwarf variables found in ZTF -- Atmospheric and fundamental properties of radial-mode sdB pulsators
Corey W. Bradshaw, Thomas Kupfer, Alekzander R. Kosakowski +2
Hot subdwarf variables (sdBVs) that display large-amplitude (1%), short-period variability, as a result of radial-mode pulsations, have recently become objects of interest as th…
The massive hot subdwarf binary LAMOST J065816.72+094343.1
F. Mattig, B. N. Barlow, D. Liu +9
Massive short-period binaries involving hot subdwarf stars (sdO/Bs) are rare but important to constraining pathways for binary star evolution. Moreover, some of the most promising…
A spectroscopic and kinematic survey of fast hot subdwarfs
S. Geier, U. Heber, A. Irrgang +19
Hot subdwarfs (sdO/B) are the stripped helium cores of red giants formed by binary interactions. Close hot subdwarf binaries with massive white dwarf companions have been proposed…
Hot Subdwarfs in Close Binaries Observed from Space III: Reflection Effect Asymmetry Induced by Relativistic Beaming
Brad N. Barlow, Thomas Kupfer, Bryce A. Smith +2
Detailed studies of hot subdwarf B stars with red dwarf or brown dwarf companions can shed light on the effects of binarity on late stellar evolution. Such systems exhibit a strong…
OGLE-BLAP-009 -- A Case Study for the Properties and Evolution of Blue Large-Amplitude Pulsators
Corey W. Bradshaw, Matti Dorsch, Thomas Kupfer +5
Blue large-amplitude pulsators (BLAPs) make up a rare class of hot pulsating stars with effective temperatures of 30,000 K and surface gravities of 4.0 - 5.0 dex (cgs). Th…
A multi-wavelength study of nearby millisecond pulsar PSR J14001431: improved astrometry & an optical detection of its cool white dwarf companion
Joseph K. Swiggum, David L. Kaplan, Maura A. McLaughlin +16
In 2012, five high school students involved in the Pulsar Search Collaboratory discovered the millisecond pulsar PSR J14001431 and initial timing parameters were published in Ro…
PSR J1930-1852: a pulsar in the widest known orbit around another neutron star
J. K. Swiggum, R. Rosen, M. A. McLaughlin +33
In the summer of 2012, during a Pulsar Search Collaboratory workshop, two high-school students discovered J19301852, a pulsar in a double neutron star (DNS) system. Most DNS sys…
Evryscope science: exploring the potential of all-sky gigapixel-scale telescopes
Nicholas M. Law, Octavi Fors, Jeffrey Ratzloff +11
Low-cost mass-produced sensors and optics have recently made it feasible to build telescope arrays which observe the entire accessible sky simultaneously. In this article we discus…
EC 10246-2707: a new eclipsing sdB + M dwarf binary
B. N. Barlow, D. Kilkenny, H. Drechsel +10
We announce the discovery of a new eclipsing hot subdwarf B + M dwarf binary, EC 10246-2707, and present multi-colour photometric and spectroscopic observations of this system. Sim…
Radial Velocity Confirmation of a Binary Detected from Pulse Timings
Brad N. Barlow, Bart H. Dunlap, J. Christopher Clemens
A periodic variation in the pulse timings of the pulsating hot subdwarf B star CS 1246 was recently discovered via the O-C diagram and suggests the presence of a binary companion w…
Fortnightly Fluctuations in the O-C Diagram of CS 1246
B. N. Barlow, B. H. Dunlap, J. C. Clemens +5
Dominated by a single, large-amplitude pulsation mode, the rapidly-pulsating hot subdwarf B star CS 1246 is a prime candidate for a long-term O-C diagram study. We collected nearly…
Massive unseen companions to hot faint underluminous stars from SDSS (MUCHFUSS) - Analysis of seven close subdwarf B binaries
S. Geier, P. F. L. Maxted, R. Napiwotzki +12
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at finding hot subdwarf stars with massive compact companions like massive white dw…
Photometry and spectroscopy of the new sdBV CS 1246
B. N. Barlow, B. H. Dunlap, J. C. Clemens +6
We report the discovery of a large-amplitude oscillation in the hot subdwarf B star CS 1246 and present multi-colour photometry and time-resolved spectroscopy supporting this disco…