2019MNRAS.485.2970R

Query : 2019MNRAS.485.2970R

2019MNRAS.485.2970R - Mon. Not. R. Astron. Soc., 485, 2970-2975 (2019/May-2)

Gamma-rays from SS433: evidence for periodicity.

RASUL K., CHADWICK P.M., GRAHAM J.A. and BROWN A.M.

Abstract (from CDS):

In this paper we present our study of the gamma-ray emission from the microquasar SS433. Integrating over 9 yr of Fermi-LAT Pass 8 data, we detect SS433 with a significance of ∼13σ in the 200 to 500 MeV photon energy range, with evidence for an extension in the direction of the w1 X-ray 'hotspot'. A temporal analysis reveals evidence for modulation of SS433's gamma-ray emission with the precession period of its relativistic jet. This suggests that at least some of SS433's gamma-ray emission originates close to the object rather than from the jet termination regions.

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

Journal keyword(s): acceleration of particles - astroparticle physics - binaries: general - stars: jets - gamma-rays: stars

Nomenclature: Table 1: [RCG2019] PS JHHMM.m+DDMM N=7.

CDS comments: GX339+4 is a misprint for GX339-4.

Simbad objects: 16

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Number of rows : 16
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 V* V821 Ara LXB 17 02 49.3876391280 -48 47 23.087954544         15.322 ~ 2237 0
2 [RCG2019] PS J1852.2+0533 gam 18 52.3 +05 34           ~ 1 0
3 [RCG2019] PS J1854.6+0311 gam 18 54.6 +03 12           ~ 1 0
4 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 1034 2
5 [RCG2019] PS J1859.2+0559 gam 18 59.2 +05 59           ~ 1 0
6 [RCG2019] PS J1905.2+0351 gam 19 05.2 +03 52           ~ 1 0
7 [RCG2019] PS J1907.5+0920 gam 19 07.9 +09 20           ~ 1 0
8 [RCG2019] PS J1910.5+0736 gam 19 10.5 +07 37           ~ 1 0
9 SS 433 HXB 19 11 49.5647697480 +04 58 57.827127648   16.854 14.643     A7Ib 2253 4
10 SNR G039.7-02.0 SNR 19 12 20 +04 55.0           ~ 378 1
11 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2810 0
12 [RCG2019] PS J1918.3+0640 gam 19 18.4 +06 41           ~ 1 0
13 SNR G049.1-00.1 SNR 19 23 19.300 +14 09 21.00           ~ 309 0
14 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4590 0
15 V* V404 Cyg HXB 20 24 03.8247037434 +33 52 01.961154861           G9/K0III/V 1370 0
16 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 2035 2

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