2019MNRAS.485L...6G

Query : 2019MNRAS.485L...6G

2019MNRAS.485L...6G - Mon. Not. R. Astron. Soc., 485, L6-L10 (2019/May-1)

Discovery of a putative supernova remnant around the long-period X-ray pulsar SXP 1323 in the Small Magellanic Cloud.

GVARAMADZE V.V., KNIAZEV A.Y. and OSKINOVA L.M.

Abstract (from CDS):

We report the discovery of a circular shell centred on the Be X-ray binary (BeXB) SXP 1323 in the Small Magellanic Cloud. The shell was detected in an H α image obtained with the Very Large Telescope. Follow-up spectroscopy with the Southern African Large Telescope showed that the shell expands with a velocity of ~100 km s–1 and that its emission is due to shock excitation. We suggest that this shell is a remnant of the supernova explosion that led to the formation of SXP 1323's neutron star ~40 000 yr ago. SXP 1323 represents the second known case of a BeXB associated with a supernova remnant (the first one is SXP 1062). Interestingly, both of these BeXBs harbour long-period pulsars and are located in a low-metallicity galaxy.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: emission-line, Be - stars: individual: [MA93] 1393 - stars: massive - ISM: supernova remnants - X-rays: binaries - X-rays: individual: SXP 1323

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 SMC AB 7 WR* 01 03 35.9241336168 -72 03 22.118601312 11.933 12.954 13.016   13.32 WN4+O6I(f) 58 0
3 [MA93] 1393 HXB 01 03 37.5349856136 -72 01 33.204096336   14.54 14.65     B0III-V 79 0
4 SNR B0102-72.3 SNR 01 04 01.2 -72 01 52           ~ 422 1
5 SXP 1062 HXB 01 27 45.9424650912 -73 32 56.376382920   14.32 14.36     B0.5(III)e 95 1
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
7 NGC 2029 SNR 05 35 15.5 -67 34 04     12.29     ~ 108 0
8 [GV2003] N X 14 40 31.05 -62 38 16.9           ~ 6 0
9 V* BR Cir HXB 15 20 40.8532547060 -57 10 00.206639033   21.4 21.4     B5-A0I 849 1
10 AJG 44 Psr 16 17 33.000 -51 02 00.00           ~ 552 3
11 SS 433 HXB 19 11 49.5647697480 +04 58 57.827127648   16.854 14.643     A7Ib 2253 4

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