36 citations · 82 across the 13 of their papers we have counts for
Showing astro-ph.HEShow all
3 papers · 1 filter
astro-ph.HE2026
[HP99] 159 -- Properties of the first Supersoft X-ray Source with a Helium star donor
Hélène Szegedi, Philip A. Charles, David A. H. Buckley +3
[HP99] 159 is remarkable as the first supersoft X-ray source (SSS) identified with an evolved helium star donor. With a likely orbital period of 1.164 d or 2.327 d, the origin of t…
astro-ph.HE2023★ 9 cited
Catching a nova X-ray/UV flash in the visible? Early spectroscopy of the extremely slow Nova Velorum 2022 (Gaia22alz)
E. Aydi, L. Chomiuk, J. Mikołajewska +22
We present early spectral observations of the very slow Galactic nova Gaia22alz, over its gradual rise to peak brightness that lasted 180 days. During the first 50 days, when the n…
astro-ph.HE2015★ 7 cited
X-ray observations of the hot phase in Sgr~A*
A. Rozanska, P. Mroz, M. Moscibrodzka +2
We analyze 134 ks Chandra ACIS-I observations of the Galactic Centre (GC) performed in July 2011. The X-ray image with the field of view contains the hot plasma su…