2011A&A...532A..47C


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.10CEST02:38:59

2011A&A...532A..47C - Astronomy and Astrophysics, volume 532A, 47-47 (2011/8-1)

Multi-wavelength environment of the Galactic globular cluster Terzan 5.

CLAPSON A.-C., DOMAINKO W., JAMROZY M., DYRDA M. and EGER P.

Abstract (from CDS):

Terzan 5 is a Galactic globular cluster exhibiting prominent X-ray and gamma-ray emission. Following the discovery of extended X-ray emission in this object, we explore here archival data at several wavelengths for other unexpected emission features in the vicinity of this globular cluster. Radio data from the Effelsberg 100-m telescope show several extended structures near Terzan 5, albeit with large uncertainties in the flux estimates and no reliable radio spectral index. In particular, a radio source extending from the location of Terzan 5 to the north-west could result from long-term non-thermal electron production by the large population of milli-second pulsars in this globular cluster. Another prominent radio structure close to Terzan 5 may be explained by ionised material produced by a field O star. As for the diffuse X-ray emission found in Terzan 5, its extension appears to be limited to within 2.5 arcmin of the globular cluster and the available multi-wavelength data is compatible with an inverse Compton scenario but disfavours a non-thermal Bremsstrahlung origin.

Abstract Copyright:

Journal keyword(s): globular clusters: individual: Terzan 5 - radiation mechanisms: general - stars: massive

Nomenclature: Figs 3-4: [CDJ2011] OstarN (Nos Ostar1-Ostar2), [CDJ2011] YSON (Nos YSO1-YSO2).

Simbad objects: 10

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Number of rows : 10

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20   5.78 4.09     ~ 3548 0
2 3C 286 Sy1 13 31 08.2885060664 +30 30 32.960825108   17.51 17.25     ~ 3716 1
3 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2266 0
4 M 5 GlC 15 18 33.22 +02 04 51.7   7.34 5.95     ~ 1771 0
5 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 1905 0
6 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11540 0
7 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 694 1
8 CD-24 13510 Ae* 17 49 10.1760956416 -24 14 21.276952156 10.12 10.62 9.96 10.01   B4Ve 24 0
9 Bania Clump 2 MoC 17 51 42.6 -26 17 18           ~ 30 1
10 HD 195177 WR* 20 28 22.6627301104 +38 37 18.970997793 13.42 12.67 11.46     WC4+Be 83 0

    Equat.    Gal    SGal    Ecl

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2020.07.10-02:38:59

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