2016ApJ...831...88D

Query : 2016ApJ...831...88D

2016ApJ...831...88D - Astrophys. J., 831, 88-88 (2016/November-1)

Spitzer IRAC observations of IR excess in Holmberg IX X-1: a circumbinary disk or a variable jet?

DUDIK R.P., BERGHEA C.T., ROBERTS T.P., GRISE F., SINGH A., PAGANO R. and WINTER L.M.

Abstract (from CDS):

We present Spitzer Infrared Array Camera photometric observations of the ultraluminous X-ray source (ULX, X-1) in Holmberg IX. We construct a spectral energy distribution (SED) for Holmberg IX X-1 based on published optical, UV, and X-ray data combined with the IR data from this analysis. We modeled the X-ray and optical data with disk and stellar models; however, we find a clear IR excess in the ULX SED that cannot be explained by fits or extrapolations of any of these models. Instead, further analysis suggests that the IR excess results from dust emission, possibly a circumbinary disk, or a variable jet.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): black hole physics - galaxies: individual: Holmberg IX - X-rays: binaries - X-rays: binaries

Simbad objects: 13

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Number of rows : 13
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 ESO 243-49 GiC 01 10 27.7550638752 -46 04 27.356310264 16.54 14.92   13.48   ~ 187 0
2 2E 756 ULX 03 18 22.00 -66 36 04.3   23.5 23.6     O9.5 262 3
3 1A 0620-00 HXB 06 22 44.5423857312 -00 20 44.290460544           K3V-K7V 1144 0
4 [SST2011] J081929.00+704219.3 ULX 08 19 28.99 +70 42 19.4           ~ 213 2
5 2CXO J095550.1+694046 HXB 09 55 50.12 +69 40 46.4           ~ 294 1
6 MCG+12-10-012 AG? 09 57 32.8632 +69 02 50.735 15.19 15.15 14.10 14.12   ~ 327 4
7 RX J0957.9+6903 ULX 09 57 53.290 +69 03 48.20           ~ 246 4
8 V* KV UMa HXB 11 18 10.7930420496 +48 02 12.314730120           K5V-M1V 865 0
9 V* V821 Ara LXB 17 02 49.3876391280 -48 47 23.087954544         15.322 ~ 2237 0
10 V* V4641 Sgr HXB 18 19 21.6343259256 -25 24 25.849595952     13.654 13.479 13.139 B9III 530 0
11 SS 433 HXB 19 11 49.5647697480 +04 58 57.827127648   16.854 14.643     A7Ib 2253 4
12 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2810 0
13 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4590 0

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