J/ApJ/666/201 Radio polarimetry of the ELAIS N1 field (Taylor+, 2007)
Radio polarimetry of the ELAIS N1 field: polarized compact sources.
Taylor A.R., Stil J.M., Grant J.K., Landecker T.L., Kothes R., Reid R.I.,
Gray A.D., Scott D., Martin P.G., Boothroyd A.I., Joncas G., Lockman F.J.,
English J., Sajina A., Bond J.R.
<Astrophys. J., 666, 201-211 (2007)>
=2007ApJ...666..201T 2007ApJ...666..201T
ADC_Keywords: Radio sources ; Polarization
Keywords: galaxies: evolution - galaxies: individual (ELAIS N1) - polarization -
radio continuum: galaxies - techniques: polarimetric
Abstract:
We present deep polarimetric observations at 1420MHz of the European
Large Area ISO Survey North 1 region (ELAIS N1) as part of the
Dominion Radio Astrophysical Observatory Planck Deep Fields project.
By combining closely spaced aperture synthesis fields, we image a
region of 7.43deg2 to a maximum sensitivity in Stokes Q and U of
78uJy/beam, and detect 786 compact sources in Stokes I. Of these, 83
exhibit polarized emission.
Description:
Observations for the DRAO ELAIS N1 survey began in 2004 August and
will continue to create a final mosaic of 30 fields. This paper
presents 21cm continuum polarimetry of the first 10 fields.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table1.dat 84 83 ELAIS N1 Polarized Sources
--------------------------------------------------------------------------------
See also:
II/255 : SWIRE ELAIS N1 Source Catalogs (Surace+, 2004)
J/AJ/129/1198 : SDSS quasars in SWIRE ELAIS N1 field (Hatziminaoglou+, 2005)
J/MNRAS/358/333 : ELAIS optical ident. at 15um+1.4GHz (Gonzalez-Solares+ 2005)
J/MNRAS/371/1891 : GOODS ELAIS-N1 24um flux densities (Rodighiero+, 2006)
J/MNRAS/383/75 : Deep 610MHz survey of ELAIS-N1 sources (Garn+, 2008)
Byte-by-byte Description of file: table1.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 2 I2 --- [TSG2007] Sequential number
4- 5 I2 h RAh Right ascension (J2000)
7- 8 I2 min RAm Right ascension (J2000)
10- 14 F5.2 s RAs Right ascension (J2000)
16- 19 F4.2 s e_RAs rms uncertainty on RA
21 A1 --- DE- Declination sign (J2000)
22- 23 I2 deg DEd Declination (J2000)
25- 26 I2 arcmin DEm Declination (J2000)
28- 31 F4.1 arcsec DEs Declination (J2000)
33- 35 F3.1 arcsec e_DEs rms uncertainty on DE
37- 42 F6.2 mJy Sint Integrated total 1420MHz flux density
44- 47 F4.2 mJy e_Sint rms uncertainty on Sint
49- 53 F5.2 mJy P0 Noise-bias-corrected peak polarized intensity
(in mJy/beam)
55- 58 F4.2 mJy e_P0 rms uncertainty on P0 (in mJy/beam)
60- 62 I3 deg PA [-90/90] Polarization position angle
64- 67 F4.1 % Pi0 Intrinsic fractional polarization (1)
69- 72 F4.1 % e_Pi0 rms uncertainty on Pi0
74 A1 --- l_alpha Limit flag on alpha
75- 79 F5.2 --- alpha Spectral index of the total flux density
between 325 and 1420MHz (2)
81- 84 F4.2 --- e_alpha ? rms uncertainty on alpha
--------------------------------------------------------------------------------
Note (1): defined as the ratio of the bias-corrected peak polarized
intensity to the peak total intensity.
Note (2): if the source appears in the WENSS (Westerbork Northern Sky
Survey) catalog (Rengelink et al., 1997, Cat. J/A+AS/124/259).
--------------------------------------------------------------------------------
History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 08-Oct-2009