J/ApJS/166/128 Narrow line Seyfert 1 galaxies from SDSS-DR3 (Zhou+, 2006)
A comprehensive study of 2000 narrow line Seyfert 1 galaxies from the
Sloan Digital Sky Survey.
I. The sample.
Zhou H., Wang T., Yuan W., Lu H., Dong X., Wang J., Lu Y.
<Astrophys. J. Suppl. Ser., 166, 128-153 (2006)>
=2006ApJS..166..128Z 2006ApJS..166..128Z (SIMBAD/NED BibCode)
ADC_Keywords: Active gal. nuclei ; QSOs ; Galaxies, spectra ; Surveys ;
Redshifts ; Line Profiles
Keywords: Galaxies: Active; Galaxies: Seyfert
Abstract:
We carried out a systematic search for narrow line Seyfert 1 galaxies
(NLS1s) from objects assigned as "QSOs" or "galaxies" in the
spectroscopic sample of the Sloan Digital Sky Survey Data Release 3
(SDSS DR3) by a careful modeling of their emission lines and continua.
The result is a uniform sample comprising ∼2000 NLS1s. This sample
dramatically increases the number of known NLS1s by a factor of ∼10
over previous compilations. This paper presents the parameters of the
prominent emission lines and continua, which were measured accurately
with typical uncertainties <10%. Taking advantage of such an
unprecedented large and uniform sample with accurately measured
spectral parameters, we carried out various statistical analyses, some
of which were only possible for the first time.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 127 2011 Emission-line properties of 2011 SDSS-DR3 narrow
line Seyfert 1 galaxies (NLS1s)
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See also:
V/139 : The SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)
II/259 : The SDSS Photometric Catalog, Release 3 (Abazajian+ 2005)
J/A+A/587/A138 : Low-luminosity type-1 QSO sample. V. (Busch+, 2016)
J/ApJ/778/188 : z<0.4 sources from Chandra/SDSS (Trichas+, 2013)
J/MNRAS/431/836 : Type 1 AGN at low z. III. (Stern+, 2013)
J/MNRAS/426/2522 : FeK lines in Seyfert 1 galaxies (Patrick+, 2012)
J/ApJS/201/31 : Emission-line galaxies from SDSS. I. (Ge+, 2012)
J/AJ/143/83 : Properties of a sample of Seyfert 1 galaxies (Xu+, 2012)
J/ApJ/758/1 : SDSS-Spitzer AGN properties (LaMassa+, 2012)
J/ApJ/755/167 : Low-mass black holes in SDSS Seyfert 1 galaxies (Dong+, 2012)
J/ApJ/737/71 : The [OIII] emission line in SDSS AGNs (Zhang+, 2011)
J/ApJ/736/86 : FeII emission in SDSS type 1 AGNs (Dong+, 2011)
J/AJ/131/1948 : Narrow line Seyfert 1 galaxies in the FBQS (Whalen+, 2006)
J/AJ/130/381 : Blueshifted [O III] emission (Boroson+, 2005)
J/A+A/417/515 : I Zw 1 unusual emission line spectrum (Veron-Cetty+, 2004)
J/AJ/126/2125 : SDSS candidate type II quasars (Zakamska+, 2003)
J/ApJ/590/73 : RASS AGN sample. II. (Xu+, 2003)
J/other/ChJAA/2.501 : Seyfert 1 galaxies (Zhou+, 2002)
J/AJ/124/3042 : Narrow-line Seyfert 1 galaxies from SDSS EDR (Williams+, 2002)
J/A+A/350/805 : X-ray selected ROSAT AGN spectra (Grupe+, 1999)
J/A+A/309/81 : X-ray properties of AGN (Wang+, 1996)
http://www.sdss.org/ : SDSS home page
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 18 A18 --- Name Object name (HHMMSS.ss+DDMMSS.s; J2000)
20- 27 F8.6 --- z [0.01/0.8] Redshift
29- 33 F5.2 [10-7W] L5100 [41.9/45.7] Log of the monochromatic
luminosity at 5100Å (1)
35- 38 F4.2 --- FC Featureless nuclear continuum
fraction at 5100Å (2)
40- 42 I3 10-20W/m2 FHbn [0/568]? Hβ narrow component flux (3)
44- 45 I2 10-20W/m2 e_FHbn ? Uncertainty in FHbn (3)
47- 51 I5 10-20W/m2 FHbb [55/11025]? Hβ broad component flux (3)
53- 54 I2 10-20W/m2 e_FHbb ? Uncertainty in FHbb (3)
56- 59 I4 km/s FWHMHb [392/2198]? Hβ broad component FWHM
61- 63 I3 km/s e_FWHMHb ? Uncertainty in FWHMHb
65- 68 I4 10-20W/m2 F[OIII] [2/4172]? The [OIII] (5007) flux (3)
70- 71 I2 10-20W/m2 e_F[OIII] ? Uncertainty in F[OIII] (3)
73- 76 I4 10-20W/m2 FHan [1/5513]? Hα narrow component flux (3)
78- 80 I3 10-20W/m2 e_FHan ? Uncertainty in FHan (3)
82- 86 I5 10-20W/m2 FHab [183/39231]? Hα broad component
flux (3)
88- 90 I3 10-20W/m2 e_FHab ? Uncertainty in FHab (3)
92- 95 I4 km/s FWHMHa [352/2294]? Hα broad component FWHM
97- 99 I3 km/s e_FWHMHa ? Uncertainty in FWHMHa
101-104 I4 10-20W/m2 F[NII] [1/2982]? The [NII] (6583) flux (3)
106-107 I2 10-20W/m2 e_F[NII] ? Uncertainty in F[NII] (3)
109-112 I4 km/s FWHMNII [2/1047]? The [NII] (6583) FWHM
114-117 I4 km/s e_FWHMNII ? Uncertainty in FWHMNII
119-122 F4.2 --- R4570 [0/3.1]? Optical FeII strength relative to
Hβ broad component
124-127 F4.2 --- e_R4570 ? Uncertainty in R4570
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Note (1): Luminosity including nuclear and starlight components in
units of erg/s.
Note (2): Flux ratio at 5100Å of featureless nuclear continuum to the
combination of nuclear and starlight components. The nuclear light
fraction is unreliable for FC≲0.25.
Note (3): Observed frame line flux in units of 10-17erg/s/cm2.
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History:
From electronic version of the journal
(End) Prepared by [AAS], Emmanuelle Perret [CDS] 12-Jan-2017