J/ApJ/624/135 Phoenix Deep Survey spectroscopic catalog (Afonso+, 2005)
The Phoenix Deep Survey: spectroscopic catalog.
Afonso J., Georgakakis A., Almeida C., Hopkins A.M., Cram L.E.,
Mobasher B., Sullivan M.
<Astrophys. J., 624, 135-154 (2005)>
=2005ApJ...624..135A 2005ApJ...624..135A
ADC_Keywords: Surveys ; Galaxies, radio ; Spectroscopy ; Redshifts
Keywords: galaxies: evolution - galaxies: starburst -
radio continuum: galaxies - surveys
Abstract:
The Phoenix Deep Survey is a multiwavelength survey based on deep
1.4GHz radio imaging, reaching well into the sub-100uJy level. One of
the aims of this survey is to characterize the submillijansky radio
population, exploring its nature and evolution. In this paper we
present the catalog and results of the spectroscopic observations
aimed at characterizing the optically "bright" (R≲21.5mag)
counterparts of faint radio sources. Of 371 sources with redshift
determination, 21% have absorption lines only, 11% show active
galactic nucleus signatures, 32% are star-forming galaxies, 34% show
narrow emission lines that do not allow detailed spectral
classification (owing to poor signal-to-noise ratio and/or lack of
diagnostic emission lines), and the remaining 2% are identified with
stars.
Description:
The PDS includes a deep 1.4GHz survey made using the Australia
Telescope Compact Array covering an area of 4.56deg2 (the Phoenix
Deep Field, PDF), selected to lie in a region of low optical
obscuration and devoid of bright radio sources.
Optical CCD imaging was carried out at the Anglo-Australian Telescope
(AAT) in the R and V bands, as detailed in Georgakakis et al. (1999,
Cat. J/MNRAS/306/708).
Optical counterparts of radio sources in the PDS were observed
spectroscopically in a series of observing campaigns. Initial data
were obtained using multifiber spectroscopy at the Two Degree Field
(2dF) spectrograph at the AAT (1996 December and 1997 September) and
slit spectroscopy at the ESO 3.6m telescope (1996 October).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 111 371 The PDS spectroscopic catalog
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See also:
J/MNRAS/296/839 : Phoenix Deep Survey: 1.4-GHz source counts (Hopkins+, 1998)
J/MNRAS/306/708 : The Phoenix Survey (Georgakakis+, 1999)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- --- [PDF]
4- 19 A16 --- PDF Radio source designation (JHHMMSS.s+DDMMSS)
21- 26 F6.3 mJy S1.4GHz The 1.4GHz integrated flux density
28- 32 F5.3 mJy e_S1.4GHz Error in S1.4GHz
34- 35 I2 h RAh Hour of Right Ascension (J2000)
37- 38 I2 min RAm Minute of Right Ascension (J2000)
40- 44 F5.2 s RAs Second of Right Ascension (J2000)
46 A1 --- DE- Sign of the Declination (J2000)
47- 48 I2 deg DEd Degree of Declination (J2000)
50- 51 I2 arcmin DEm Arcminute of Declination (J2000)
53- 56 F4.1 arcsec DEs Arcsecond of Declination (J2000)
58- 62 F5.2 mag Rmag Optical counterpart R band magnitude (1)
64 A1 --- l_Rel Limit flag on Rel
65- 69 F5.2 --- Rel Reliability of the optical identification (2)
71- 73 I3 0.1nm EW[OII] ? Measured [O II] (3727) equivalent width (3)
75- 76 I2 0.1nm EWHb ? Measured Hβ equivalent width (3)
78- 80 I3 0.1nm EWHa ? Measured Hα equivalent width (3)
82- 86 F5.2 --- Ha/Hb ? Observed Balmer decrement (4)
88- 92 F5.3 --- z Redshift
94 A1 --- Qual [ABC-] Spectrum quality parameter (5)
96- 99 A4 --- Class Spectral classification (6)
101-105 F5.2 [W] logLHa ? Log of the Hα luminosity
107-111 F5.2 [W/Hz] logLr ? Log of the 1.4GHz luminosity
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Note (1): Vega-based system
Note (2): Following Sutherland (1992MNRAS.259..413S 1992MNRAS.259..413S).
Note (3): In units of Angstroms.
Note (4): Uncorrected for any stellar absorption.
Note (5): Spectrum quality parameter as follows:
A = a high quality spectrum, with a firmly established redshift
B = a low S/N spectrum, where a redshift was established using at
least 2 spectral features
C = only one spectral feature is identified
Note (6): Spectral classification as follows:
uncl = classification was not possible
sf = star-forming
abs = absorption line system
Sey2 = Seyfert 2
star = star
Sey1 = Seyfert 1
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 25-Aug-2006