2004AJ....128..561B


Query : 2004AJ....128..561B

2004AJ....128..561B - Astron. J., 128, 561-568 (2004/August-0)

Nitrogen-enriched quasars in the Sloan Digital Sky Survey First Data Release.

BENTZ M.C., HALL P.B. and OSMER P.S.

Abstract (from CDS):

The quasar Q0353-383 has long been known to have extremely strong nitrogen intercombination lines at 1486 and 1750 Å, implying an anomalously high nitrogen abundance of ∼15 times solar. A search for similar nitrogen-rich quasars in the Sloan Digital Sky Survey First Data Release (SDSS DR1) catalog has yielded 20 candidates, including four with nitrogen emission as strong or stronger than that seen in Q0353-383. Our results indicate that only about one in 1700 of quasars have nitrogen abundances similar to Q0353-383, while up to one in 130 may be in the process of extreme nitrogen enrichment.

Abstract Copyright: ∼

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

CDS comments: Table 3 : objects 040913.78+060839.0, 103013.61+010056.4 and 115357.27+002754.0 have sign "+" instead of "-" (they are respectively SDSS J040913.78-060839.0, SDSS J103013.61-010056.4 and SDSS J115357.27-002754.0)

Simbad objects: 51

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Number of rows : 51
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 [VV2006] J003815.9+140304 QSO 00 38 15.9294010224 +14 03 04.537051236   20.38 20.18     ~ 23 0
2 [VV2006] J004833.5+142057 QSO 00 48 33.5660719272 +14 20 56.823599760   19.51 19.27     ~ 26 0
3 [VV2006] J010527.7+143701 QSO 01 05 27.7262956032 +14 37 01.301187324   19.80 19.63     ~ 23 0
4 [VV2006] J012310.9-084053 QSO 01 23 10.9659396888 -08 40 53.726153808   19.98 19.82     ~ 19 0
5 [VV2006] J014517.9+135602 QSO 01 45 17.8157329920 +13 56 02.224264560   19.95 19.64     ~ 25 0
6 [VV2006] J022129.1-083351 QSO 02 21 29.0601148056 -08 33 50.985786708   20.63 20.46     ~ 20 0
7 [VV2006] J022203.2-091531 QSO 02 22 03.2405798376 -09 15 31.468836636   19.53 19.40     ~ 26 0
8 [VV2006] J024204.6-003836 QSO 02 42 04.5885891888 -00 38 35.778204996   20.29 20.14     ~ 30 0
9 QSO B0254-0113 QSO 02 57 13.0702592568 -01 01 57.747440928   19.67 19.47     ~ 41 0
10 [VV2006] J025939.3-063158 QSO 02 59 39.2604832704 -06 31 58.346445000   20.11 19.86     ~ 18 0
11 [VV2006] J033832.7+004518 QSO 03 38 32.6611567416 +00 45 18.544809348   19.48 19.28     ~ 30 0
12 QSO J0354-3809 QSO 03 54 49.8647957592 -38 09 55.014695928     17.5     ~ 43 0
13 [VV2006] J040913.7-060839 QSO 04 09 13.7851020744 -06 08 39.029379360   20.26 19.85     ~ 20 0
14 [VV2006] J073048.4+371616 QSO 07 30 48.3767337024 +37 16 16.304404764   20.52 20.24     ~ 19 0
15 [VV2006] J073506.6+374014 QSO 07 35 06.5984513256 +37 40 14.099947536   19.56 19.27     ~ 20 0
16 [VV2006] J074520.2+415725 QSO 07 45 20.2125806472 +41 57 25.447803120   19.55 19.31     ~ 34 1
17 [VV2006] J085914.0+501408 QSO 08 59 13.9815107832 +50 14 09.064233060   19.58 19.42     ~ 26 0
18 [VV2006] J090902.5+580357 QSO 09 09 02.5496514408 +58 03 56.745713520   20.24 19.89     ~ 25 0
19 [VV2006] J091031.3+010152 QSO 09 10 31.3584164616 +01 01 51.940503804   19.35 19.13     ~ 25 0
20 [VV2006] J091745.3+555934 QSO 09 17 45.2453045592 +55 59 34.968164100   19.76 19.52     ~ 27 0
21 [VV2006] J092225.7+611530 QSO 09 22 25.6973400384 +61 15 30.662510328   18.97 18.87     ~ 26 0
22 [VV2006] J092541.4+004040 QSO 09 25 41.4638851992 +00 40 41.006373672   20.50 20.24     ~ 23 0
23 [VV2006] J092754.2+582811 QSO 09 27 54.1802141136 +58 28 11.607370428   19.45 19.25     ~ 26 0
24 [VV2006] J093510.6+593936 QSO 09 35 10.5931152984 +59 39 37.229396544   19.90 19.70     ~ 22 0
25 [VV2006] J102949.5+643836 QSO 10 29 49.5092033400 +64 38 35.912947416   20.10 20.01     ~ 22 0
26 [VV2006] J103013.7-010057 QSO 10 30 13.6134603744 -01 00 56.481321312   19.60 19.32     ~ 25 0
27 [VV2006] J104318.9+004746 QSO 10 43 18.8828275200 +00 47 47.259678156   19.98 19.66     ~ 30 0
28 [VV2006] J105922.3+663806 QSO 10 59 22.3143510264 +66 38 06.189149148   20.35 20.14     ~ 27 0
29 [VV2006] J113012.4+003314 QSO 11 30 12.3855847992 +00 33 14.724295524   20.33 20.10     ~ 26 0
30 [VV2006] J113027.2-004548 QSO 11 30 27.2063835048 -00 45 47.417358636   19.72 19.44     ~ 24 0
31 [VV2006] J113502.1-000250 QSO 11 35 02.0793257592 -00 02 50.188898400   20.30 20.11     ~ 27 0
32 [VV2006] J113638.6+011032 QSO 11 36 38.6642602680 +01 10 31.770638400   19.88 19.71     ~ 27 0
33 [VV2006] J115357.3-002755 QSO 11 53 57.2672269848 -00 27 54.034494192   19.71 19.49     ~ 26 0
34 [VV2006] J120708.4-010002 QSO 12 07 08.3557490280 -01 00 02.498350392   19.35 19.13     ~ 27 0
35 [VV2006] J121933.3+003226 QSO 12 19 33.2596911384 +00 32 26.541734604   19.87 19.71     ~ 26 0
36 [VV2006] J122348.2+010222 QSO 12 23 48.2192436288 +01 02 21.923066832   19.49 19.25     ~ 27 0
37 [VV2006] J124727.2+033009 QSO 12 47 27.2585595600 +03 30 09.947444652   19.84 19.60     ~ 22 0
38 [VV2006] J125134.6+681824 QSO 12 51 34.5985467120 +68 18 24.224757012   19.69 19.43     ~ 19 0
39 [VV2006] J125414.3+024117 QSO 12 54 14.2808038464 +02 41 17.528111160   19.18 18.90     ~ 31 0
40 [VV2006] J125925.1+642140 QSO 12 59 25.0255254672 +64 21 39.669722460   19.80 19.61     ~ 25 0
41 [VV2006] J132743.0+003532 QSO 13 27 42.9266603928 +00 35 32.665003692   19.21 18.95     ~ 41 0
42 [VV2006] J133701.7+022807 QSO 13 37 01.7816063448 +02 28 07.847529780   19.66 19.46     ~ 23 0
43 QSO B1337+637 QSO 13 39 23.7837290376 +63 28 58.421159328   19.38 19.30     ~ 66 1
44 [VV2006] J141857.1+635524 QSO 14 18 57.1229484744 +63 55 24.434853240   20.10 19.82     ~ 24 0
45 QSO J1447+5824 QSO 14 47 52.4475929808 +58 24 20.225660940   18.81 18.56     ~ 34 0
46 QSO J1546+5253 QSO 15 46 51.7558178952 +52 53 13.175362248   19.94 19.64     ~ 27 0
47 [VV2006] J154921.1+550559 QSO 15 49 21.0481802616 +55 05 59.971700220   19.00 18.87     ~ 26 0
48 [VV2006] J155003.7+031324 QSO 15 50 03.7087485744 +03 13 25.028064264   18.78 18.39     ~ 28 0
49 [VV2006] J155007.1+023607 QSO 15 50 07.0702812633 +02 36 07.752442298   20.87 20.59     ~ 31 1
50 [VV2006] J163714.4+415702 QSO 16 37 14.3920276320 +41 57 02.141101728   19.42 19.23     ~ 24 0
51 [VV2006] J204041.7-054355 QSO 20 40 41.6743324848 -05 43 55.508830320   19.71 19.41     ~ 22 0

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