2019MNRAS.482.2950T


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.14CEST14:06:26

2019MNRAS.482.2950T - Mon. Not. R. Astron. Soc., 482, 2950-2972 (2019/January-3)

Tracking the variable jets of V404 Cygni during its 2015 outburst.

TETARENKO A.J., SIVAKOFF G.R., MILLER-JONES J.C.A., BREMER M., MOOLEY K.P., FENDER R.P., RUMSEY C., BAHRAMIAN A., ALTAMIRANO D., HEINZ S., MAITRA D., MARKOFF S.B., MIGLIARI S., RUPEN M.P., RUSSELL D.M., RUSSELL T.D. and SARAZIN C.L.

Abstract (from CDS):

We present multifrequency monitoring observations of the black hole X-ray binary V404 Cygni throughout its 2015 June outburst. Our data set includes radio and mm/sub-mm photometry, taken with the Karl G. Jansky Very Large Array, Arc-Minute MicroKelvin Imager Large Array, Sub-millimeter Array, James Clerk Maxwell Telescope, and the Northern Extended Millimetre Array, combined with publicly available infrared, optical, UV, and X-ray measurements. With these data, we report detailed diagnostics of the spectral and variability properties of the jet emission observed during different stages of this outburst. These diagnostics show that emission from discrete jet ejecta dominated the jet emission during the brightest stages of the outburst. We find that the ejecta became fainter, slower, less frequent, and less energetic, before the emission transitioned (over 1-2 d) to being dominated by a compact jet, as the outburst decayed towards quiescence. While the broad-band spectrum of this compact jet showed very little evolution throughout the outburst decay (with the optically thick to thin synchrotron jet spectral break residing in the near-infrared/optical bands; ∼2-5 x 1014 Hz), the emission still remained intermittently variable at mm/sub-mm frequencies. Additionally, we present a comparison between the radio jet emission throughout the 2015 and previous 1989 outbursts, confirming that the radio emission in the 2015 outburst decayed significantly faster than in 1989. Lastly, we detail our sub-mm observations taken during the 2015 December mini-outburst of V404 Cygni, which demonstrate that, similar to the main outburst, the source was likely launching jet ejecta during this short period of renewed activity.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): black hole physics - stars: individual: ((V404 Cygni, GS 2023+338)) - ISM: jets and outflows - radio continuum: stars - submillimetre: stars - X-rays: binaries

Simbad objects: 18

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Number of rows : 18

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 2C 44 QSO 00 36 06.4415209032 +18 37 59.051398062   20 20     ~ 110 1
2 3C 48 QSO 01 37 41.2995845985 +33 09 35.079126038   16.62 16.20     ~ 2577 2
3 V* V518 Per HXB 04 21 42.7231318463 +32 54 26.936934166 13.00 13.50 13.2     M4.5V 626 1
4 3C 273 BLL 12 29 06.6996828061 +02 03 08.598846466   13.05 14.830 14.11   ~ 5419 1
5 3C 286 Sy1 13 31 08.2885060664 +30 30 32.960825108   17.51 17.25     ~ 3856 2
6 V* V381 Nor HXB 15 50 58.6520652623 -56 28 35.309070422   17.95 16.6     K3III 1062 0
7 [GHJ2008] 3 HXB 16 50 00.980 -49 57 43.60     11.89     K4V 358 0
8 MAXI J1659-152 LXB 16 59 01.680 -15 15 28.73           ~ 199 0
9 V* V2606 Oph CV* 17 42 40.030 -27 44 52.70     23.2     ~ 119 0
10 4C 09.57 BLL 17 51 32.81857318 +09 39 00.7284829   17.46 16.78 15.57   ~ 836 1
11 2MAXI J1753-013 LXB 17 53 28.2897263704 -01 27 06.256526637 15.30 16.73 16.46 16.15 15.64 ~ 302 0
12 MAXI J1836-194 XB* 18 35 43.440 -19 19 10.48           ~ 113 0
13 QSO J2015+371 BLL 20 15 28.7298087 +37 10 59.514637     21.82 21.4   ~ 254 2
14 V* V404 Cyg HXB 20 24 03.820 +33 52 01.90 14.50 14.20 12.7     K0IV 1125 0
15 QSO B2023+336 BLL 20 25 10.84210 +33 43 00.2144       0   ~ 134 1
16 EM* MWC 349 ** 20 32 45.499080 +40 39 36.74124   15.88 13.15 12.13   Bep 723 0
17 V* V1610 Cyg pA* 21 02 18.27 +36 41 37.0           F5Iae 838 1
18 3C 454.3 Bla 22 53 57.74798 +16 08 53.5611   16.57 16.10 15.22   ~ 2565 2

    Equat.    Gal    SGal    Ecl

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2021.04.14-14:06:26

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