Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Balman, Solen"'
We present X-ray spectroscopy of the SU UMa-type dwarf nova (DN) Z Cha using the EPIC and RGS instruments onboard the XMM-Newton Observatory. The quiescent system can be modeled by collisional equilibrium or nonequilibrium plasma models, yielding a k
Externí odkaz:
http://arxiv.org/abs/2410.14526
Autor:
Drake, Jeremy J., Ness, Jan-Uwe, Page, Kim L., Luna, G. J. M., Beardmore, Andrew P., Orio, Marina, Osborne, Julian P., Mroz, Przemek, Starrfield, Sumner, Banerjee, Dipankar P. K., Balman, Solen, Darnley, M. J., Bhargava, Y., Dewangan, G. C., Singh, K. P.
Nova Her 2021 (V1674 Her), which erupted on 2021 June 12, reached naked-eye brightness and has been detected from radio to $\gamma$-rays. An extremely fast optical decline of 2 magnitudes in 1.2 days and strong Ne lines imply a high-mass white dwarf.
Externí odkaz:
http://arxiv.org/abs/2110.14058
Autor:
Balman, Solen
Cataclysmic Variables (CVs) are compact binaries with white dwarf (WD) primaries. CVs and other accreting WD binaries (AWBs) are useful laboratories for studying accretion flows, gas dynamics, outflows, transient outbursts, and explosive nuclear burn
Externí odkaz:
http://arxiv.org/abs/2007.11336
Autor:
Nabizadeh, Armin, Balman, Solen
We present the X-ray analysis of dwarf nova EY Cyg using the 45 ks \textit{XMM-Newton} observatory archival data obtained in quiescence. We find orbital modulations in X-rays. We simultaneously fitted EPIC pn, MOS1 and MOS2 data using a model for int
Externí odkaz:
http://arxiv.org/abs/2001.07486
The standard disk is often inadequate to model disk-dominated cataclysmic variables (CVs) and generates a spectrum that is bluer than the observed UV spectra [Puebla et al 2007]. X-ray observations of these systems reveal an optically thin boundary l
Externí odkaz:
http://arxiv.org/abs/1708.00325
Autor:
Balman, Solen, Gamsizkan, Cigdem
Publikováno v:
A&A 598, A129 (2017)
We present a reanalysis of XMM-Newton Reflection Grating Spectrometer data of the classical nova V2491 Cyg obtained from two different pointings, 40 d and 50 d after outburst utilizing the SRON software SPEX version 2.05.04. We aim to model absorptio
Externí odkaz:
http://arxiv.org/abs/1610.08440
Autor:
Avdan, Hasan, Avdan, Senay, Akyuz, Aysun, Balman, Solen, Aksaker, Nazim, Oralhan, Inci Akkaya
Publikováno v:
2016ApJ...828..105A
We study the X-ray and optical properties of the ultraluminous X-ray source (ULX) X-6 in the nearby galaxy NGC 4258 (M106) based on the archival {\it XMM-Newton}, {\it Chandra}, {\it Swift}, and {\it Hubble Space Telescope} ({\it HST}) observations.
Externí odkaz:
http://arxiv.org/abs/1607.02881
Autor:
Balman, Solen
Publikováno v:
A&A 572, A114 (2014)
I present a total of 98.8 ksec ($\sim$ 3$\times$30 ksec) observation of T Pyx with the ACIS-S3 detector on-board the $Chandra$ Observatory obtained during the quiescent phase, about 2-3 months before its outburst in April 2011. The total $Chandra$ sp
Externí odkaz:
http://arxiv.org/abs/1410.2758
We present a total of ~ 45 ksec (3$\times$15 ksec) of SWIFT XRT observations for three non-magnetic nova-like (NL) Cataclysmic Variables (CVs) (MV Lyr, BZ Cam, V592 Cas) in order to study characteristics of Boundary Layers (BL) in CVs. The nonmagneti
Externí odkaz:
http://arxiv.org/abs/1408.1996
Autor:
Balman, Solen
I resolved and detected an X-ray nebulosity around the recurrent nova T Pyx using a 98.8 ksec observation with the ACIS-S detector on-board the Chandra Observatory during the quiescent phase of the nova before its outburst in 2011. The nebula shows a
Externí odkaz:
http://arxiv.org/abs/1208.6120