2005A&A...440..287I


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.24CET10:12:44

2005A&A...440..287I - Astronomy and Astrophysics, volume 440, 287-293 (2005/9-2)

On the nature of two low-{dot}(M) X-ray bursters: 1RXS J170854.4-321857 and 1RXS J171824.2-402934.

IN'T ZAND J.J.M., CORNELISSE R. and MENDEZ M.

Abstract (from CDS):

We carried out Chandra observations of two low-luminosity low-mass X-ray binaries, 1RXS J170854.4-321857 and 1RXS J171824.2-402934, for which previously single X-ray bursts were detected with the Wide Field Cameras (WFCs) on board BeppoSAX. Both were detected in our Chandra observations in an actively accreting state three to eight years after the X-ray bursts, with 0.5-10 keV luminosities between 5x1034 and 2x1036erg/s. The apparently persistent nature is remarkable for 1RXS J171824.2-402934 given its low luminosity of 10–3LEdd. The persistence of both sources also distinguishes them from 5 other low-L bursters, which have also been seen during bursts with the WFCs but were not detected during Chandra observations above a luminosity of 1033erg/s. Those are probably transient rather than persistent sources.

Abstract Copyright:

Journal keyword(s): X-rays: binaries - X-rays: bursts - X-rays: individual: 1RXS J170854.4-321857 = 4U 1705-32 = 1M 1704-321 = 1H 1659-317, 1RXS J171824.2-402934 = RX J1718.4-4029

Simbad objects: 14

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Number of rows : 14

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 V* V1055 Ori LXB 06 17 07.3 +09 08 13   18.80 18.5     ~ 504 1
2 4U 0919-54 LXB 09 20 26.4814865475 -55 12 24.507988707 20.40 21.30 21.0     ~ 144 0
3 SAX J1324.5-6313 X 13 24 27 -63 13.4           ~ 16 0
4 V* V2134 Oph LXB 17 02 06.54 -29 56 44.1 18.35 18.75 18.3     ~ 322 0
5 4U 1705-32 LXB 17 08 54.40 -32 18 57.5           ~ 50 0
6 RX J1718.4-4029 LXB 17 18 24.13 -40 29 30.4           ~ 35 0
7 KS 1731-260 LXB 17 34 13.46 -26 05 18.6       22.8 20.9 ~ 391 0
8 2XMM J174502.1-285450 LXB 17 45 02.33 -28 54 49.7           ~ 115 0
9 SAX J1752.3-3138 LXB 17 52 24.00 -31 37 42.0           ~ 20 0
10 SAX J1753.5-2349 LXB 17 53 31.896 -23 49 14.86           ~ 28 0
11 SAX J1806.5-2215 LXB 18 06 34 -22 15.1           ~ 43 0
12 SAX J1818.7+1424 X 18 18 44 +14 24.2           ~ 12 0
13 3XMM J182833.7-103702 LXB 18 28 33.7755000998 -10 37 03.712323927           ~ 30 0
14 SAX J2224.9+5421 X 22 24 52 +54 21.9           ~ 17 1

    Equat.    Gal    SGal    Ecl

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2020.01.24-10:12:44

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