2013MNRAS.435.3125H

Query : 2013MNRAS.435.3125H

2013MNRAS.435.3125H - Mon. Not. R. Astron. Soc., 435, 3125-3132 (2013/November-2)

Evidence of increased UV FeII emission in quasars in candidate overdense regions.

HARRIS K.A., WILLIGER G.M., HABERZETTL L., MITCHELL S., FARRAH D., GRAHAM M.J., DAVE R., YOUNGER M.P. and SOCHTING I.K.

Abstract (from CDS):

We present evidence for a skewed distribution of UV Fe ii emission in quasars within candidate overdense regions spanning spatial scales of ∼ 50Mpc at 1.11 < z < 1.67, compared to quasars in field environments at comparable redshifts. The overdense regions have an excess of high-equivalent-width sources (W2400 > 42Å) and a dearth of low-equivalent-width sources. There are various possible explanations for this effect, including dust, Lyα fluorescence, microturbulence and iron abundance. We find that the most plausible of these is enhanced iron abundance in the overdense regions, consistent with an enhanced star formation rate in the overdense regions compared to the field.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): galaxies: abundances - galaxies: active - quasars: emission lines - large-scale structure of Universe

CDS comments: In Table 2, SDSS J105352.75+043055.0 is a probable misprint for SDSS J105030.75+043055.0.

Simbad objects: 31

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Number of rows : 31
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 [CCG2012] U1.11 GrG 10 46 13.90 +03 27 10.4           ~ 6 1
2 QSO B1044+059 QSO 10 46 56.7160575768 +05 41 50.330421600   18.29 17.94     ~ 36 0
3 QSO B1044+056 QSO 10 47 33.1663152720 +05 24 54.921648276   18.28 17.94     ~ 32 0
4 [VV2006] J104751.9+043709 QSO 10 47 51.8845637208 +04 37 09.963826500   19.96 19.72     ~ 19 0
5 QSO B1045+056 QSO 10 48 00.4061377968 +05 22 09.773844528   19.99 19.54     ~ 31 0
6 SDSS J104815.93+055007.8 QSO 10 48 15.9405204528 +05 50 07.767561444           ~ 2 0
7 SDSS J104840.85+040938.4 QSO 10 48 40.8518090760 +04 09 38.439922752           ~ 2 0
8 [CCG2012] U1.28 GrG 10 49 10.30 +05 17 09.0           ~ 7 1
9 QSO B1046+045 QSO 10 49 14.3285287848 +04 14 28.682541492   19.58 19.36     ~ 26 0
10 SDSS J104921.05+050948.3 QSO 10 49 21.0524626200 +05 09 48.322348452           ~ 2 0
11 SDSS J104926.83+042334.6 QSO 10 49 26.8341253152 +04 23 34.690141860           ~ 2 0
12 SDSS J104930.44+054046.2 QSO 10 49 30.448 +05 40 46.26           ~ 2 0
13 4C 05.46 QSO 10 49 32.2194296136 +05 05 31.717846824   19.33 19.00 18.64 18.68 ~ 61 1
14 2MASS J10493341+0548403 * 10 49 33.4143093264 +05 48 40.352947920           ~ 1 1
15 SDSS J104937.47+045757.1 QSO 10 49 37.4738130048 +04 57 57.117093912           ~ 2 0
16 [VV2006] J104938.4+052932 QSO 10 49 38.3506610424 +05 29 32.078135184   19.92 19.63     ~ 21 0
17 [VV2006] J104943.3+044948 QSO 10 49 43.2885073656 +04 49 48.846413604   19.81 19.42     ~ 21 0
18 SDSS J104947.34+041746.3 QSO 10 49 47.3408929416 +04 17 46.273120368           ~ 2 0
19 SDSS J104958.91+042723.3 QSO 10 49 58.9126007376 +04 27 23.309238888           ~ 2 0
20 SDSS J105000.36+045157.8 QSO 10 50 00.3728693112 +04 51 57.878585532           ~ 2 0
21 [VV2000] J105008.0+043659 QSO 10 50 07.9030504368 +04 36 59.808711024   19.69 19.36     ~ 25 0
22 QSO B1047+048 Bla 10 50 10.0609520376 +04 32 49.115703408   18.84 18.45     ~ 50 1
23 [VV2006] J105018.2+052826 QSO 10 50 18.1069645200 +05 28 26.486936328   19.88 19.53     ~ 22 0
24 QSO B1047+047 QSO 10 50 30.7615304256 +04 30 55.036733544   20.13 19.68     ~ 24 0
25 SDSS J105036.09+045608.3 QSO 10 50 36.0939100776 +04 56 08.345087412           ~ 2 0
26 SDSS J105131.95+045124.7 QSO 10 51 31.9473181752 +04 51 24.716823552           ~ 2 0
27 [VV2006] J105141.8+045831 QSO 10 51 41.8898148624 +04 58 31.781692020   19.76 19.44     ~ 22 0
28 [VV2006] J105154.2+041100 QSO 10 51 54.1386296400 +04 10 59.580987816   21.51 21.22     ~ 16 0
29 [VV2006] J105249.7+040046 QSO 10 52 49.6772871768 +04 00 46.435145040   19.68 19.41     ~ 19 0
30 [VV2006] J105255.6+055112 QSO 10 52 55.6594808856 +05 51 12.937240368   20.56 20.29     ~ 23 1
31 [CCG2012] U1.54 GrG 10 55 20.50 +04 45 42.8           ~ 3 1

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