1998A&AS..129..329B


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.23CEST03:20:05

1998A&AS..129..329B - Astron. Astrophys., Suppl. Ser., 129, 329-336 (1998/April-2)

A deep λ20 cm radio continuum survey of M 31.

BECK R., BERKHUIJSEN E.M. and HOERNES P.

Abstract (from CDS):

We present a survey of the total and linearly polarized radio continuum emission of the Andromeda galaxy at 20 cm wavelength with the VLA-D array. 7 fields were observed with 45" angular resolution. The missing large-scale total emission observed with the Effelsberg telescope was inserted. This survey is the most sensitive radio continuum survey of M 31 so far and the first one in linear polarization with the VLA. The total emission of M 31 comes from extended regions and point sources. Both components are concentrated in the bright "ring" of maximum star formation at about 10 kpc radius. Nearly half of the extended emission emerges from numerous filamentary features which are typically a few arcminutes long (≃600pc). In the field of M 31, 36 linearly polarized background sources were detected. The smallest degrees of polarization occur on the centre of the "ring" where the total emission is highest, hence on the spiral arms as delineated by Hα emission and OB associations. The distribution of polarization angles reveals coherent features of typically 1 kpc in extent, some of which show a relation to an OB association.

Abstract Copyright:

Journal keyword(s): techniques: interferometric - galaxies: individual: M 31 - galaxies: magnetic fields - radio continuum: galaxies - polarization

CDS comments: Table 2: The 3 objects without identification are in SIMBAD as EQ HHMMSS.s+DDMMSS

Simbad objects: 40

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Number of rows : 40

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 WSTB 36W94 Rad 00 39 26.8 +40 54 44           ~ 6 0
2 WSTB 36W99 Rad 00 39 32.9 +40 44 09           ~ 6 0
3 NVSS J003956+411138 Rad 00 39 56.30 +41 11 38.4           ~ 13 1
4 NVSS J004013+410845 Rad 00 40 13.3 +41 08 45           ~ 12 1
5 5C 3.76 BLL 00 40 13.80 +40 50 04.7     19.30 19.9   ~ 54 1
6 WSTB 37W52 Rad 00 40 16.2 +39 55 02           ~ 7 0
7 WSTB 37W57 Rad 00 40 24.8 +41 07 15           ~ 10 0
8 ClG 0038.2+3254 ClG 00 40.9 +33 10     20.00     ~ 2 0
9 WSTB 37W74A Rad 00 41 07.7 +41 24 56           ~ 2 0
10 WSTB 37W76 Rad 00 41 12.6 +40 33 34           ~ 6 0
11 WSTB 37W74B Rad 00 41 12.8 +41 24 58           ~ 2 0
12 WSTB 37W82 Rad 00 41 21.69 +40 53 02.0           ~ 3 0
13 EQ 003850.1+413012 Rad 00 41 34.2 +41 46 39           ~ 1 0
14 WSTB 37W91 Rad 00 41 41.06 +41 03 36.8           ~ 13 0
15 NVSS J004147+411848 Rad 00 41 47.70 +41 18 48.5           ~ 12 1
16 WSTB 37W95 Rad 00 41 50.95 +41 14 38.0           ~ 7 0
17 5C 3.107 Rad 00 42 18.74 +41 29 28.2           ~ 18 0
18 WSTB 36W189 Rad 00 42 29.89 +40 38 18.5           ~ 3 0
19 BD+41 114 * 00 42 35.4368490227 +41 57 46.904673057   10.82 9.26 11.0   K0 12 0
20 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 10563 1
21 5C 3.111 Rad 00 42 51.76 +41 26 37.9           ~ 11 0
22 WSTB 37W152 Rad 00 43 08.27 +41 55 06.6           ~ 4 0
23 NVSS J004341+405429 Rad 00 43 41.20 +40 54 29.1           ~ 13 1
24 5C 3.121 AG? 00 43 44.6930096205 +41 28 43.993685893           ~ 8 0
25 RX J004359.8+415656 X 00 43 58.70 +41 57 16.0           ~ 13 1
26 5C 3.129 Rad 00 44 08.8 +41 31 07           ~ 7 0
27 NVSS J004418+411338 Rad 00 44 18.52 +41 13 38.3           ~ 8 0
28 5C 3.134 Rad 00 44 24.2 +41 30 54           ~ 9 0
29 5C 3.131b Rad 00 44 26.45 +41 15 25.2           ~ 7 0
30 WSTB 37W200 Rad 00 44 47.77 +42 08 20.7           ~ 4 0
31 5C 3.138 Rad 00 44 50.1 +41 40 35           ~ 7 0
32 NVSS J004501+412452 Rad 00 45 01.9 +41 24 53           ~ 11 1
33 WSTB 37W207A Rad 00 45 02.6 +41 22 12           ~ 1 0
34 WSTB 37W207B Rad 00 45 05.9 +41 22 46           ~ 3 0
35 NVSS J004511+411126 Rad 00 45 11.50 +41 11 26.6           ~ 11 1
36 NVSS J004539+411217 Rad 00 45 39.90 +41 12 17.6           ~ 9 1
37 EQ 004257.6+405506 Rad 00 45 42.5 +41 11 29           ~ 1 0
38 EQ 004326.4+414745 Rad 00 46 11.8 +42 04 08           ~ 1 0
39 3C 48 QSO 01 37 41.2995845985 +33 09 35.079126038   16.62 16.20     ~ 2431 2
40 ICRF J052109.8+163822 Sy1 05 21 09.88592749 +16 38 22.0517668   19.37 18.84 18.480   ~ 726 1

    Equat.    Gal    SGal    Ecl

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2019.10.23-03:20:05

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