2013ApJ...773..122P


Query : 2013ApJ...773..122P

2013ApJ...773..122P - Astrophys. J., 773, 122 (2013/August-3)

The optical counterpart to the X-ray transient IGR J1824-24525 in the globular cluster M28.

PALLANCA C., DALESSANDRO E., FERRARO F.R., LANZONI B. and BECCARI G.

Abstract (from CDS):

We report on the identification of the optical counterpart to the recently detected INTEGRAL transient IGR J1824-24525 in the Galactic globular cluster M28. From analysis of a multi-epoch Hubble Space Telescope data set, we have identified a strongly variable star positionally coincident with the radio and Chandra X-ray sources associated with the INTEGRAL transient. The star has been detected during both a quiescent and an outburst state. In the former case it appears as a faint, unperturbed main-sequence star, while in the latter state it is about two magnitudes brighter and slightly bluer than main-sequence stars. We also detected Hα excess during the outburst state, suggestive of active accretion processes by the neutron star.

Abstract Copyright:

Journal keyword(s): binaries: close - globular clusters: individual: M28 - stars: neutron - X-rays: individual: IGR J18245-2452

Simbad objects: 7

goto Full paper

goto View the references in ADS

Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20   5.78 4.09     ~ 3766 0
2 V* QX Nor LXB 16 12 43.0 -52 25 23           ~ 879 1
3 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 13314 0
4 IGR J18245-2452 LXB 18 24 32.50 -24 52 07.8           ~ 207 0
5 PSR J1824-2452H Psr 18 24 32.8 -24 52 11           ~ 23 0
6 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 729 0
7 X Aql X-1 LXB 19 11 16.0571313336 +00 35 05.868232692           ~ 1092 1

To bookmark this query, right click on this link: simbad:objects in 2013ApJ...773..122P and select 'bookmark this link' or equivalent in the popup menu


2022.12.01-02:02:19

© Université de Strasbourg/CNRS

    • Contact