2009ApJ...707.1717V

Query : 2009ApJ...707.1717V

2009ApJ...707.1717V - Astrophys. J., 707, 1717-1722 (2009/December-3)

A multi-wavelength investigation of the unidentified gamma-ray source HESS J1708-410.

VAN ETTEN A., FUNK S. and HINTON J.

Abstract (from CDS):

We report on recent XMM-Newton observations, archival radio continuum and CO data, and spectral energy distribution (SED) modeling of the unidentified Galactic plane source HESS J1708-410. No significant extended X-ray emission is observed, and we place an upper limit of 3.2x10–13 erg/cm2/s in the 2-4 keV range for the region of TeV emission. Molonglo Galactic Plane Survey data are used to place an upper limit of 0.27 Jy at 843 MHz for the source, with a 2.4 GHz limit of 0.4 Jy from the Parkes survey of the southern Galactic plane. 12CO (J 1 -> 0) data of this region indicates a plausible distance of 3 kpc for HESS J1708-410. SED modeling of both the HESS detection and flux upper limits offer useful constraints on the emission mechanisms, magnetic field, injection spectrum, and ambient medium surrounding this source.

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Journal keyword(s): gamma rays: observations - radiation mechanisms: non-thermal - X-rays: general

Nomenclature: Fig. 1, Table 1: [VFH2009] N (Nos 1-9).

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 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
2 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
3 NAME Vela X Psr 08 33 08.880 -45 11 24.36           ~ 302 1
4 NAME Vela SNR 08 34.0 -45 50           ~ 1331 2
5 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
6 SNR G345.7-00.2 Rad 17 07.3 -40 53           ~ 23 1
7 [VFH2009] 8 X 17 07 18.60 -41 11 18.9           ~ 1 0
8 PSR B1703-40 Psr 17 07 21.78000 -40 53 55.1000           ~ 55 0
9 [VFH2009] 3 X 17 07 29.29 -41 08 29.4           ~ 1 0
10 [VFH2009] 5 X 17 07 59.38 -41 07 16.0           ~ 1 0
11 [VFH2009] 1 X 17 08 01.81 -41 02 55.2           ~ 1 0
12 [VFH2009] 9 X 17 08 08.13 -40 51 22.2           ~ 1 0
13 [VFH2009] 7 X 17 08 09.66 -40 57 38.4           ~ 1 0
14 HD 326944 * 17 08 20.6633949360 -41 08 52.308243600   10.34 9.74     G0 4 0
15 [VFH2009] 4 X 17 08 21.68 -41 07 59.5           ~ 1 0
16 HESS J1708-410 gam 17 08 24.0 -41 05 24           ~ 21 0
17 [VFH2009] 6 X 17 09 09.23 -41 05 00.8           ~ 1 0
18 1RXS J171011.5-405356 X 17 10 11.5 -40 53 56           ~ 3 0
19 4U 1708-40 LXB 17 12 23.6 -40 50 36           ~ 70 0
20 CXOGC J174539.7-290022 Psr 17 45 39.80 -29 00 19.9           ~ 54 1

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