J/AJ/126/1720 ugriz and Hα of double-peaked AGN (Strateva+, 2003)
Double-peaked low-ionization emission lines in active galactic nuclei.
Strateva I.V., Strauss M.A., Hao L., Schlegel D.J., Hall P.B., Gunn J.E.,
Li L.-X., Ivezic Z., Richards G.T., Zakamska N.L., Voges W., Anderson S.F.,
Lupton R.H., Schneider D.P., Brinkmann J., Nichol R.C.
<Astron. J. 126, 1720 (2003)>
=2003AJ....126.1720S 2003AJ....126.1720S
ADC_Keywords: Active gal. nuclei ; Photometry, SDSS ; Spectroscopy
Keywords: galaxies: active - accretion disks
Abstract:
We present a new sample of 116 double-peaked Balmer line active
galactic nuclei (AGNs) selected from the Sloan Digital Sky Survey.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 96 85 Double-peaked Hα AGN sample:
coordinates and apparent magnitudes
table2.dat 113 31 Double-peaked Hα auxiliary sample:
coordinates and apparent magnitudes
table3.dat 75 138 Hα profiles: line parameter measurements
table5.dat 69 116 Optical, radio, and X-Ray luminosity and
spectral indices
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See also:
J/AJ/123/567 : SDSS quasar catalog, I: Early Data Release (Schneider+, 2002)
J/AJ/126/2579 : SDSS quasar catalog. II. First data release (Schneider+, 2003)
Byte-by-byte Description of file: table1.dat table2.dat
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Bytes Format Units Label Explanations
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1- 4 A4 --- --- [SDSS]
6- 24 A19 --- SDSS SDSS designation (JHHMMSS.ss+DDMMSS.s)
26- 35 A10 --- sSDSS Short SDSS designation
38- 43 F6.4 --- z Redshift
45- 49 F5.2 mag umag SDSS u magnitude
51- 55 F5.2 mag gmag SDSS g magnitude
57- 61 F5.2 mag rmag SDSS r magnitude
63- 67 F5.2 mag imag SDSS i magnitude
69- 73 F5.2 mag zmag SDSS z magnitude
75-114 A40 --- Com Comments
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 4 A4 --- --- [SDSS]
6- 15 A10 --- sSDSS Short SDSS name (SDSS JHHMM+DDMM)
17- 21 I5 d MJD Modified Jullian day (JD-2400000.5)
23- 27 I5 10-20W/m2 FHa Hα broad line flux in
units of 10-17erg/s/cm2
29- 33 I5 km/s FWHM Hα full width at half-maximum
35- 39 I5 km/s FWHMc Hα FWHM centroid with respect to
narrow-line Hα
41- 45 I5 km/s FWQM Hα full width at quarter-maximum
47- 51 I5 km/s FWQMc Hα FWQM centroid with respect to
narrow-line Hα
53- 57 F5.1 10-19W/m2/nm Hred Height of red peak of broad Hα line
in units of 10-16erg/s/cm2/nm
59- 63 I5 km/s Wred Position of red peak with respect to
narrow Hα line
65- 69 F5.1 10-19W/m2/nm Hblue Height of blue peak of broad Hα line
in units of 10-16erg/s/cm2/nm
71- 75 I5 km/s Wblue Position of blue peak with respect to
narrow Hα line
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 4 A4 --- --- [SDSS]
6- 15 A10 --- sSDSS Short SDSS name (SDSS JHHMM+DDMM)
17- 21 F5.2 10+37W Lu SDSS u-band luminosity (2)
23- 27 F5.2 10+37W Lg SDSS g-band luminosity (2)
29- 33 F5.2 10+37W Lr SDSS r-band luminosity (2)
35- 39 F5.2 10+37W Li SDSS i-band luminosity (2)
41- 45 F5.2 10+37W Lz SDSS z-band luminosity (2)
47- 52 F6.2 10+37W LXray ? X-ray (0.1-2.0keV) unobscured luminosity (2)
54- 60 E7.2 10+37W L20cm ? Radio (20 cm) luminosity (2)
62- 64 F3.1 --- Sp+Index ? X-ray (2.0keV) to optical (250nm)
spectral index
66- 69 F4.2 --- Sp-Index ? Radio (20cm) to optical (250nm)
spectral index
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Note (2): The luminosities are computed using Ω_λ=0.73,
Ωm=0.27, flat cosmology, with H0=72km/s/Mpc
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Bauer [CDS] 21-Nov-2003