Search Results - "Sokolovsky, K"
-
1
The loudest stellar heartbeat: characterizing the most extreme amplitude heartbeat star system
Published in Monthly notices of the Royal Astronomical Society (01-09-2021)“…ABSTRACT We characterize the extreme heartbeat star system MACHO 80.7443.1718 in the Large Magellanic Cloud using Transiting Exoplanet Survey Satellite (TESS)…”
Get full text
Journal Article -
2
Optical and near-infrared data and modelling of nova V5668 Sgr
Published in Monthly notices of the Royal Astronomical Society (08-02-2022)“…ABSTRACT We present Hubble Space Telescope optical images, Keck-OSIRIS near-infrared (NIR) integral field spectroscopy data cubes and Keck-Near InfraRed…”
Get full text
Journal Article -
3
Radio light curves and imaging of the helium nova V445 Puppis reveal seven years of synchrotron emission
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT V445 Puppis is the only helium nova observed to date; its eruption in late 2000 showed high velocities up to 8500 km s−1, and a remarkable bipolar…”
Get full text
Journal Article -
4
Fermi LAT Gamma-ray Detection of the Recurrent Nova RS Ophiuchi during its 2021 Outburst
Published in The Astrophysical journal (01-08-2022)“…Abstract We report the Fermi LAT γ -ray detection of the 2021 outburst of the symbiotic recurrent nova RS Ophiuchi. In this system, unlike classical novae from…”
Get full text
Journal Article -
5
The 2019 eruption of recurrent nova V3890 Sgr: observations by Swift, NICER, and SMARTS
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT V3890 Sgr is a recurrent nova that has been seen in outburst three times so far, with the most recent eruption occurring on 2019 August 27 ut. This…”
Get full text
Journal Article -
6
Early Spectral Evolution of Classical Novae: Consistent Evidence for Multiple Distinct Outflows
Published in The Astrophysical journal (01-12-2020)“…The physical mechanism driving mass ejection during a nova eruption is still poorly understood. Possibilities include ejection in a single ballistic event, a…”
Get full text
Journal Article -
7
Galactic Extinction: How Many Novae Does It Hide and How Does It Affect the Galactic Nova Rate?
Published in The Astrophysical journal (01-11-2021)“…Abstract There is a long-standing discrepancy between the observed Galactic classical nova rate of ∼10 yr −1 and the predicted rate from Galactic models of…”
Get full text
Journal Article -
8
Surveying the X-Ray Behavior of Novae as They Emit γ-Rays
Published in The Astrophysical journal (01-04-2021)“…Abstract The detection of GeV γ -ray emission from Galactic novae by the Fermi-Large Area Telescope has become routine since 2010, and is generally associated…”
Get full text
Journal Article -
9
The Galactic Nova Rate: Estimates from the ASAS-SN and Gaia Surveys
Published in The Astrophysical journal (01-10-2022)“…Abstract We present the first estimate of the Galactic nova rate based on optical transient surveys covering the entire sky. Using data from the All-Sky…”
Get full text
Journal Article -
10
Comparative performance of selected variability detection techniques in photometric time series data
Published in Monthly notices of the Royal Astronomical Society (01-01-2017)“…Photometric measurements are prone to systematic errors presenting a challenge to low-amplitude variability detection. In search for a general-purpose…”
Get full text
Journal Article Web Resource -
11
The multiwavelength view of shocks in the fastest nova V1674 Her
Published in Monthly notices of the Royal Astronomical Society (31-03-2023)“…ABSTRACT Classical novae are shock-powered multiwavelength transients triggered by a thermonuclear runaway on an accreting white dwarf. V1674 Her is the…”
Get full text
Journal Article -
12
Catching a nova X-ray/UV flash in the visible? Early spectroscopy of the very slow Nova Velorum 2022 (Gaia22alz)
Published in Monthly notices of the Royal Astronomical Society (12-07-2023)“…ABSTRACT We present early spectral observations of the very slow Galactic nova Gaia22alz, over its gradual rise to peak brightness that lasted 180 d. During…”
Get full text
Journal Article -
13
Exploring the Connection between Parsec-scale Jet Activity and Broadband Outbursts in 3C 279
Published in The Astrophysical journal (10-05-2018)“…We use a combination of high-resolution very long baseline interferometry (VLBI) radio and multiwavelength flux density and polarization observations to…”
Get full text
Journal Article -
14
A wide and collimated radio jet in 3C84 on the scale of a few hundred gravitational radii
Published in Nature astronomy (01-06-2018)“…Understanding the formation of relativistic jets in active galactic nuclei remains an elusive problem 1 . This is partly because observational tests of jet…”
Get full text
Journal Article -
15
Spectro-photometric follow-up of the outbursting AM CVn system ASASSN-21br
Published in Monthly notices of the Royal Astronomical Society (06-08-2024)“…ABSTRACT We report on spectroscopic and photometric observations of the AM Canum Venaticorum (AM CVn) system ASASSN-21br, which was discovered in outburst by…”
Get full text
Journal Article -
16
The 2019 Outburst of the 2005 Classical Nova V1047 Cen: A Record Breaking Dwarf Nova Outburst or a New Phenomenon?
Published in The Astrophysical journal (01-11-2022)“…Abstract We present a detailed study of the 2019 outburst of the cataclysmic variable V1047 Cen, which hosted a classical nova eruption in 2005. The peculiar…”
Get full text
Journal Article -
17
Classical Novae Masquerading as Dwarf Novae? Outburst Properties of Cataclysmic Variables with ASAS-SN
Published in The Astrophysical journal (01-04-2021)“…Abstract The unprecedented sky coverage and observing cadence of the All-Sky Automated Survey for SuperNovae (ASAS-SN) has resulted in the discovery and…”
Get full text
Journal Article -
18
-
19
The core shift effect in the blazar 3C 454.3
Published in Monthly notices of the Royal Astronomical Society (01-02-2014)“…Opacity-driven shifts of the apparent very long baseline interferometry (VLBI) core position with frequency (the 'core shift' effect) probe physical conditions…”
Get full text
Journal Article -
20
The extreme blazar AO 0235+164 as seen by extensive ground and space radio observations
Published in Monthly notices of the Royal Astronomical Society (21-04-2018)“…Abstract Clues to the physical conditions in radio cores of blazars come from measurements of brightness temperatures as well as effects produced by intrinsic…”
Get full text
Journal Article