2016MNRAS.463.2885S

Query : 2016MNRAS.463.2885S

2016MNRAS.463.2885S - Mon. Not. R. Astron. Soc., 463, 2885-2892 (2016/December-2)

Discovery of two new fast X-ray transients with INTEGRAL: IGR J03346+4414 and IGR J20344+3913.

SGUERA V., SIDOLI L., PAIZIS A. and BIRD A.J.

Abstract (from CDS):

We report on the discovery of two fast X-ray transients (FXTs) from analysis of archival INTEGRAL data. Both are characterized by a remarkable hard X-ray activity above 20 keV, in terms of duration (∼15 and 30 min, respectively), peak flux (∼10–9 erg cm–2 s–1) and dynamic range (∼2400 and 1360, respectively). Swift/X-ray telescope follow-up observations failed to detect any quiescent or low-level soft X-ray emission from either of the two FXTs, providing an upper limit of the order of a few times 10–12 erg cm–2 s–1. The main spectral and temporal Imager on Board INTEGRAL Satellite (IBIS)/INTEGRAL Soft Gamma-Ray Imager (ISGRI) characteristics are presented and discussed with the aim of inferring possible hints on their nature.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): X-rays: individual: IGR J03346+4414 - X-rays: individual: IGR J20344+3913 - X-rays: individual: IGR J20344+3913

Simbad objects: 20

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Number of rows : 20
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 * chi Per * 02 18 04.5845635872 +57 30 58.759401204   7.036 6.0230     G7.0III 179 1
2 IGR J03346+4414 gam 03 34.6 +44 14           ~ 1 0
3 UCAC4 672-020163 * 03 34 42.3752931336 +44 14 20.722403796   15.20 13.94 13.69 12.67 ~ 1 0
4 NAME Gal Anticenter reg 05 46 +28.9           ~ 1024 0
5 * 12 Mus ** 11 39 29.5660962396 -65 23 52.099447484   5.863 5.095 6.31   G5/8IIIp+A0/1V 185 1
6 V* DG CVn ** 13 31 46.6246175093 +29 16 36.681048898   12.90 12.02 10.77 9.15 M4Ve 135 0
7 2MASS J18461279-0222261 HX? 18 46 12.7939574952 -02 22 26.040674640   20.5   16.6   ~ 21 0
8 NAME Cyg Arm PoG 20 02 +40.0           ~ 163 0
9 V* V404 Cyg HXB 20 24 03.8247037434 +33 52 01.961154861           G9/K0III/V 1370 0
10 NAME Cyg Complex reg 20 32 +45.0           ~ 667 0
11 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 2035 2
12 UCAC3 259-203310 * 20 33 57.6740819712 +39 15 07.291577736   13.37 12.47 12.680 11.56 ~ 1 0
13 TYC 3153-365-1 * 20 34 11.1845717520 +39 16 10.561576512   11.58 11.71     ~ 2 0
14 IGR J20344+3913 gam 20 34.4 +39 13           ~ 1 0
15 UCAC3 259-203399 * 20 34 27.9044392800 +39 13 16.532579280   18.01 15.43 15.072 12.86 ~ 1 0
16 GB6 J2034+3914 Rad 20 34 33.4 +39 14 54           ~ 1 0
17 NVSS J203434+391617 Rad 20 34 34.31 +39 16 17.7           ~ 1 0
18 NVSS J203441+391441 Rad 20 34 41.54 +39 14 41.7           ~ 1 0
19 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 3004 2
20 HD 224085 RS* 23 55 04.0520383542 +28 38 01.245426862 8.88 8.20   6.9   K2+IVeFe-1 756 0

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