2005AJ....130..381B

Query : 2005AJ....130..381B

2005AJ....130..381B - Astron. J., 130, 381-386 (2005/August-0)

Blueshifted [O III] emission: indications of a dynamic narrow-line region.

BOROSON T.

Abstract (from CDS):

The [O III] λ5007 line is commonly used as an indicator of the systemic redshift of active galactic nuclei (AGNs). Also, recent studies have used the width of this emission line as a proxy for the stellar velocity dispersion in the host galaxy. This paper calls both of these assumptions into question by analyzing a sample of approximately 400 AGN spectra from the first data release of the Sloan Digital Sky Survey. These spectra show that the low-ionization forbidden lines ([O II], [N II], and [S II]) define a consistent redshift but that the peak of the [O III] line is blueshifted in approximately half of the AGNs with respect to that redshift. For the sample studied here, the average shift is 40 km/s, with the largest shift being more than 400 km/s. The magnitude of this shift is found to be correlated with a number of properties, including the width of the [O III] line and the Eddington ratio (L/LEdd), derived from the luminosity and width of Hβ.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Active - Galaxies: Seyfert - Galaxies: Quasars: Emission Lines

VizieR on-line data: <Available at CDS (J/AJ/130/381): table1.dat>

Simbad objects: 56

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Number of rows : 56
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SDSS J003659.78+010544.3 Sy1 00 36 59.7834955296 +01 05 44.343126492   19.05 18.51     ~ 13 0
2 2MASX J00384796+0034572 Sy1 00 38 47.9729625816 +00 34 57.579567780   19.00 18.29     ~ 29 0
3 [HB91] 0116-004 Sy1 01 19 29.0657854968 -00 08 39.763887432   17.79 17.35     ~ 37 0
4 [VV2006] J012946.7+150456 QSO 01 29 46.7102160504 +15 04 57.242165484   18.06 17.89     ~ 25 1
5 2MASX J01352169-0044017 Sy1 01 35 21.6800252832 -00 44 02.072313276   18.32 17.86     ~ 34 0
6 LEDA 1135750 Sy1 01 35 27.8496698808 -00 44 47.909616720   18.63 17.92 15.39   ~ 26 0
7 2MASS J01562906+0007242 QSO 01 56 29.0649107064 +00 07 24.345866532   19.10 18.86     ~ 29 0
8 6dFGS gJ021218.3-073720 Sy1 02 12 18.3261505008 -07 37 19.814910204   17.97 17.73 17.38   ~ 44 0
9 [VV2006] J022417.2-092549 QSO 02 24 17.1619431912 -09 25 49.313036532   18.26 18.07     ~ 33 0
10 2MASS J03014420+0115308 Sy1 03 01 44.1986759664 +01 15 30.843372276   17.90 17.49     ~ 27 0
11 PB 7009 Sy1 03 06 39.5824276346 +00 03 43.161393991   18.00 17.54     ~ 79 0
12 SDSS J032606.75+022539.9 ? 03 26 06.75 +02 25 39.9           ~ 1 0
13 LEDA 1044676 Sy1 03 51 07.6012645752 -05 26 37.135099356   17.83 17.38 16.06   ~ 30 0
14 LEDA 1033399 Sy1 03 53 01.0243052640 -06 23 26.372104800   18.15 17.57 16.52   ~ 26 0
15 2MASS J07494826+3454439 Sy1 07 49 48.2664443952 +34 54 44.018223660   17.48 17.24     ~ 38 0
16 2MASX J07533380+3857222 Sy1 07 53 33.8247425808 +38 57 22.173515640   19.10 18.64     ~ 12 0
17 2MASS J08032248+4333069 Sy1 08 03 22.4864941440 +43 33 07.082950284   19.18 18.76     ~ 29 0
18 6C 080306+485030 QSO 08 06 44.4274043856 +48 41 49.159464396   17.98 17.78     ~ 54 1
19 2MASS J08123149+4416207 Sy1 08 12 31.4414022192 +44 16 20.816387256   19.05 18.61     ~ 24 0
20 2MASS J08240518+4452461 Sy1 08 24 05.1915985536 +44 52 46.105943016   18.60 18.17     ~ 24 0
21 2MASX J08320213+4614257 Sy1 08 32 02.1570077616 +46 14 25.729913256   17.61 17.02     ~ 34 0
22 SDSS J085635.86+521729.5 Sy1 08 56 35.859 +52 17 29.50   18.96 18.51     ~ 9 0
23 LEDA 3427529 Sy1 09 08 21.7381606848 +52 21 02.988410076   18.57 18.01     ~ 17 0
24 2MASX J09145955+0235113 Sy1 09 14 59.5753965168 +02 35 11.004817092   18.75 18.31     ~ 24 0
25 2QZ J101911.2+015354 Sy1 10 19 11.3385318000 +01 53 54.680263404   18.52 18.19     ~ 32 0
26 LEDA 3425502 Sy1 10 41 53.5951583904 +03 15 00.599240520   18.96 18.40     ~ 21 0
27 2MASS J11005771-0053045 Sy1 11 00 57.7049395440 -00 53 04.484598432   17.61 17.52     ~ 41 0
28 2MASX J11140733-0000311 Sy1 11 14 07.3547189064 -00 00 31.103648136   18.61 18.02     ~ 20 0
29 2MASX J11362605+0211442 Sy1 11 36 26.0583812016 +02 11 44.222605656   18.82 18.26 16.986   ~ 20 0
30 2MASS J11363308+0207475 Sy1 11 36 33.0906922848 +02 07 47.639014284   18.90 18.31     ~ 28 1
31 2MASS J12344094+6752140 Sy1 12 34 40.9466974176 +67 52 13.884013704   18.67 18.32     ~ 26 0
32 LBQS 1244+0238 Sy1 12 46 35.2527826632 +02 22 08.782546368   16.57 16.37     ~ 313 0
33 2MASS J12522731+0323536 Sy1 12 52 27.3270006288 +03 23 53.594931048   18.07 17.75     ~ 19 0
34 2MASS J13000291-0106018 QSO 13 00 02.9206576248 -01 06 01.808244036   18.47 18.15     ~ 24 0
35 2MASS J13071325-0036018 Sy1 13 07 13.2584065896 -00 36 01.689208848   17.80 17.54 16.73   ~ 37 0
36 2MASS J13100801+6341036 Sy1 13 10 08.0033521656 +63 41 03.586661556   18.55 18.14     ~ 25 0
37 LBQS 1316+0103 QSO 13 18 43.8646951704 +00 47 32.185698612   18.84 18.63     ~ 33 0
38 LEDA 3327939 Sy1 13 21 35.3290089576 -00 13 05.722039056   17.52 17.17 16.27   ~ 24 0
39 6C 134441+623604 BLL 13 46 17.5401834936 +62 20 45.440875140   17.42 17.09     ~ 54 1
40 Z 17-73 Sy1 13 49 52.8409293768 +02 04 45.151553352   16.75 16.23 15.032   ~ 113 0
41 1RXS J135444.8+024122 Sy1 13 54 44.3427372600 +02 40 39.219069360   18.99 18.62     ~ 16 0
42 2MASS J14155684+0520296 Sy1 14 15 56.8384440000 +05 20 29.573202120   17.98 17.53     ~ 40 0
43 LEDA 140312 Sy1 14 22 45.7863686328 +63 07 39.188369820   17.92 17.60     ~ 31 0
44 LEDA 1151089 Sy1 14 38 47.5379436720 -00 08 05.439007248   18.77 18.26 16.75   ~ 29 0
45 SDSS J150521.92+014149.8 Sy1 15 05 21.9237741288 +01 41 49.772658192   18.50 18.17     ~ 16 0
46 2MASX J15075686+0320378 Sy1 15 07 56.8893920424 +03 20 37.290656436   18.40 17.92     ~ 15 0
47 2MASS J15195656+0016147 Sy1 15 19 56.5690881744 +00 16 14.608296048   18.18 17.84     ~ 26 0
48 SDSS J154259.49+030653.3 ? 15 42 59.49 +03 06 53.3           ~ 2 0
49 LEDA 3429276 Sy1 15 46 06.9677264496 +03 47 57.038807400   18.59 18.11     ~ 16 0
50 LEDA 140537 Sy1 15 47 51.9396631464 +02 55 50.879176356   17.81 17.40     ~ 34 0
51 SDSS J162650.23-001731.8 Sy1 16 26 50.2391926536 -00 17 31.834541904   19.59 19.13     ~ 6 0
52 LEDA 2191401 Sy2 16 36 31.2865353000 +42 02 42.522500760   17.68 17.14 13.18 13.52 ~ 28 0
53 1RXS J170847.1+595715 Sy1 17 08 45.5752764672 +59 57 16.265998800   19.72 19.26     ~ 8 0
54 [VV2006] J171049.9+652101 QSO 17 10 49.8875082288 +65 21 02.135588292   18.56 18.30     ~ 26 0
55 2MASS J17182899+5734222 Sy1 17 18 28.9899945768 +57 34 22.340993232   18.06 17.67     ~ 26 0
56 2MASS J17203367+5808289 Sy1 17 20 33.6070464528 +58 08 29.704948368   18.39 17.89     ~ 16 0

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