113 citations · 701 across the 33 of their papers we have counts for
33 papers
Implications of the continuous radio-loudness distribution among AGNs in the local Universe
A. Wójtowicz, N. Vale Asari, Ł. Stawarz +2
Aims. We investigate the radio loudness () distribution in a large, homogeneous sample of radio galaxies. Methods. The sample is composed of galaxies from the ROGUE I/…
Identifying tidal disruption events among radio transient galaxies
M. Kunert-Bajraszewska, D. Kozieł-Wierzbowska, D. Stern +4
We present the optical and infrared properties of a sample of 24 radio transient sources discovered in the Very Large Array Sky Survey (VLASS). Previous studies of their radio emis…
Multiwavelength investigations of PKS 2300-18: S-shaped radio quasar with precessing jets and double-peaked broad emission-line spectrum
Arpita Misra, Marek Jamrozy, Marek Weżgowiec +1
S-shaped radio galaxy jets are prime sources for investigating the dynamic interplay between the central active galactic nucleus, the jets, and the ambient intergalactic medium. Th…
VLASS-based survey of transition state galaxies and their relationship to compact peaked-spectrum radio sources
M. Kunert-Bajraszewska, A. Krauze, A. E. Kimball +6
We present multi-frequency and high-resolution studies of a sample of 24 radio transients sources discovered by comparing the NRAO VLA Sky Survey (NVSS) and Very Large Array Sky Su…
Optically active and optically inactive radio galaxies as sub-populations of the main galaxy sample of the SDSS
Grazyna Stasinska, Natalia Vale Asari, Anna Wojtowicz +1
We use the ROGUE I and II catalogues of radio sources associated with optical galaxies to revisit the characterization of radio active galactic nuclei (AGNs) in terms of radio lumi…
Studies on slow radio transients
Aleksandra Wołowska, Magdalena Kunert-Bajraszewska, Kunal Mooley +6
We present a brief overview of a very extensive studies of the group of active galactic nuclei (AGNs) that transitioned to radio-loud state over the past few decades. The sample co…
Caltech-NRAO Stripe 82 Survey (CNSS) Paper V: AGNs that transitioned to radio-loud state
Aleksandra Wołowska, Magdalena Kunert-Bajraszewska, Kunal P. Mooley +6
A recent multi-year Caltech-NRAO Stripe 82 Survey (CNSS) revealed a group of objects that appeared as new radio sources after 5--20 years of absence. They are transient phenomen…
Physical parameters of close binary systems: VIII
K. Gazeas, S. Zola, A. Liakos +13
This paper presents the results of a combined spectroscopic and photometric study of 20 contact binary systems: HV Aqr, OO Aql, FI Boo, TX Cnc, OT Cnc, EE Cet, RWCom, KR Com, V401…
Identifying radio active galactic nuclei among radio-emitting galaxies
Dorota Kozieł-Wierzbowska, Natalia Vale Asari, Grażyna Stasińska +4
Basing our analysis on ROGUE I, a catalog of over 32,000 radio sources associated with optical galaxies, we provide two diagnostics to select the galaxies where the radio emission…
On the diversity of the jet production efficiency in Swift/BAT AGNs
Katarzyna Rusinek, Marek Sikora, Dorota Kozieł-Wierzbowska +1
We address the very large diversity of the jet production efficiency in active galactic nuclei (AGNs) by using data on low redshift AGNs selected from the Swift/BAT catalog and hav…
Catalogue with visual morphological classification of 32,616 radio galaxies with optical hosts
Natalia Żywucka, Dorota Kozieł-Wierzbowska, Arti Goyal
We present the catalogue of Radio sources associated with Optical Galaxies and having Unresolved or Extended morphologies I (ROGUE I). It was generated by cross-matching galaxies f…
Mid-Infrared Diagnostics of the Circumnuclear Environments of the Youngest Radio Galaxies
E. Kosmaczewski, L. Stawarz, A. Siemiginowska +6
We present a systematic analysis of the mid-infrared (MIR) properties of the youngest radio galaxies, based on low-resolution data provided by the {\it WISE} and {\it IRAS} satelli…
Radio sources associated with Optical Galaxies and having Unresolved or Extended morphologies (ROGUE). I. A catalog of SDSS galaxies with FIRST core identifications
Dorota Kozieł-Wierzbowska, Arti Goyal, Natalia Żywucka
We present the catalog of Radio sources associated with Optical Galaxies and having Unresolved or Extended morphologies I (ROGUE~I), consisting of 32,616 spectroscopically selected…
GD358: three decades of observations for the in-depth asteroseismology of a DBV star
Agnes Bischoff-Kim, J. L. Provencal, P. A. Bradley +38
We report on the analysis of 34 years of photometric observations of the pulsating helium atmosphere white dwarf GD358. The complete data set includes archival data from 1982-2006,…
Signatures of the disk-jet coupling in the Broad-line Radio Quasar 4C+74.26
G. Bhatta, L. Stawarz, A. Markowitz +16
Here we explore the disk-jet connection in the broad-line radio quasar 4C+74.26, utilizing the results of the multiwavelength monitoring of the source. The target is unique in that…
Pair-matching of radio-loud and radio-quiet AGNs
D. Kozieł-Wierzbowska, G. Stasińska, N. Vale Asari +3
Active galactic nuclei (AGNs) are known to cover an extremely broad range of radio luminosities and the spread of their radio-loudness is very large at any value of the Eddington r…
What distinguishes the host galaxies of radio-loud and radio-quiet AGNs?
D. Kozieł-Wierzbowska, N. Vale Asari, G. Stasińska +3
We compare the optical properties of the host galaxies of radio-quiet (RQ) and radio-loud (RL) Type 2 active galactic nuclei (AGNs) to infer whether the jet production efficiency d…
Optical and radio properties of extragalactic radio sources with recurrent jet activity
A. Kuźmicz, M. Jamrozy, D. Kozieł-Wierzbowska +1
We present a sample of 74 radio sources with recurrent jet activity. The sample consists of 67 galaxies, 2 quasars and 5 unidentified sources, selected from the published data or a…
Is there a circumbinary planet around NSVS 14256825?
Ilham Nasiroglu, Krzysztof Gozdziewski, Aga Slowikowska +9
The cyclic behaviour of (O-C) residuals of eclipse timings in the sdB+M eclipsing binary NSVS 14256825 was previously attributed to one or two Jovian-type circumbinary planets. We…
On the efficiency of jet production in FR II radio galaxies and quasars
Katarzyna Rusinek, Marek Sikora, Dorota Kozieł-Wierzbowska +1
Jet powers in many radio galaxies with extended radio structures appear to exceed their associated accretion luminosities. In systems with very low accretion rates, this is likely…
On the Merging Cluster Abell 578 and Its Central Radio Galaxy 4C +67.13
K. Hagino, L. Stawarz, A. Siemiginowska +7
Here we analyze radio, optical, and X-ray data for a peculiar cluster Abell 578. This cluster is not fully relaxed and consists of two merging sub-systems. The brightest cluster ga…
Precursor flares in OJ 287
P. Pihajoki, M. Valtonen, S. Zola +19
We have studied three most recent precursor flares in the light curve of the blazar OJ 287 while invoking the presence of a precessing binary black hole in the system to explain th…
Constraining jet production scenarios by studies of Narrow-Line-Radio-Galaxies
Marek Sikora, Grażyna Stasińska, Dorota Kozieł-Wierzbowska +2
We study a large sample of narrow-line radio galaxies (NLRGs) with extended radio structures. Using 1.4 GHz radio luminosities, , narrow optical emission line luminosities…
A photometric and spectroscopic study of WW And - an Algol-type, long period binary system with an accretion disc
Michal Siwak, Stanislaw Zola, Tomasz Szymanski +5
We have analyzed the available spectra of WW And and for the first time obtained a reasonably well defined radial velocity curve of the primary star. Combined with the available ra…