J/ApJ/680/1072 Lyα-emitting galaxies at 0.2<z<0.35 (Deharveng+, 2008)
Lyα-emitting galaxies at 0.2<z<0.35 from GALEX spectroscopy.
Deharveng J.-M., Small T., Barlow T.A., Peroux C., Milliard B.,
Friedman P.G., Martin D.C., Morrissey P., Schiminovich D., Forster K.,
Seibert M., Wyder T.K., Bianchi L., Donas J., Heckman T.M., Lee Y.-W.,
Madore B.F., Neff S.G., Rich R.M., Szalay A.S., Welsh B.Y., Yi S.K.
<Astrophys. J., 680, 1072-1082 (2008)>
=2008ApJ...680.1072D 2008ApJ...680.1072D
ADC_Keywords: Active gal. nuclei ; Ultraviolet ; Redshifts ; Equivalent widths
Keywords: galaxies: evolution - galaxies: ISM -
galaxies: luminosity function, mass function - galaxies: starburst -
ultraviolet: galaxies
Abstract:
We have used the GALEX (Galaxy Evolution Explorer) spectroscopic
survey mode, with a resolution of ∼8Å in the far-ultraviolet (FUV;
1350-1750Å) and ∼20Å in the near-ultraviolet (NUV;
1950-2750Å) for a systematic search of Lyα-emitting galaxies
at low redshift. Our aim is to fill a gap between high-redshift
surveys and a small set of objects studied in detail in the nearby
universe. A blind search of 7018 spectra extracted in five deep
exposures (5.65deg2) has resulted in 96 Lyα-emitting galaxy
candidates in the FUV domain after accounting for broad-line AGNs.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 80 96 The Lyα-emitting galaxy candidates
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See also:
J/ApJ/614/75 : Lymanα emitting galaxies at z=2.38 (Francis+, 2004)
J/A+A/461/823 : Candidate Lyα emitting galaxies (Venemans+, 2007)
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Field Field name
9- 13 I5 --- [DSB2008] Sequential number
15- 22 F8.4 deg RAdeg Right ascension in decimal degrees (J2000)
24- 31 F8.4 deg DEdeg Declination in decimal degrees (J2000)
33- 37 F5.1 0.1nm EWLya Lyα equivalent width
39 I1 --- q_EWLya Quality flag (1=good; 2=fair; 3=uncertain)
41- 45 F5.2 aW/m2 FLya Lyα flux (10-15erg/s/cm2)
47- 51 F5.2 mag FUV GALEX FUV magnitude (in AB system)
53- 58 F6.3 mag F-NUV GALEX FUV-NUV colour index
60- 64 F5.3 --- z Redshift assuming that the emission feature
is Lyα
66- 70 F5.2 [10-7W] logLLya Lyα luminosity
72- 78 F7.5 --- zl ? Literature redshift
80 I1 --- r_zl ? Reference for zl (2)
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Note (2): References as follows:
1 = 2dF, http://www.mso.anu.edu.au/2dFGRS/, Cat. VII/250
2 = COMBO-17, Wolf et al. 2004, Cat. II/253
3 = Vanzella et al. 2006, Cat. J/A+A/454/423
4 = SARS, Way et al. 2005, Cat. J/AJ/130/2012
5 = LCRS, Shectman et al. 1996, Cat. VII/203
6 = SDSS, http://www.sdss.org
7 = DEEP1 Groth Strip, Weiner et al., 2005ApJ...620..595W 2005ApJ...620..595W
8 = DEEP2 Data Release 3, Davis et al., 2007ApJ...660L...1D 2007ApJ...660L...1D
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 11-Mar-2010