1999AJ....118....1F

Query : 1999AJ....118....1F

1999AJ....118....1F - Astron. J., 118, 1-13 (1999/July-0)

High-redshift quasars found in Sloan digital sky survey commissioning data.

FAN X., STRAUSS M.A., SCHNEIDER D.P., GUNN J.E., LUPTON R.H., YANNY B., ANDERSON S.F., ANDERSON J.E.Jr, ANNIS J., BAHCALL N.A., BAKKEN J.A., BASTIAN S., BERMAN E., BOROSKI W.N., BRIEGEL C., BRIGGS J.W., BRINKMANN J., CARR M.A., COLESTOCK P.L., CONNOLLY A.J., CROCKER J.H., CSABAI I., CZARAPATA P.C., DAVIS J.E., DOI M., ELMS B.R., EVANS M.L., FEDERWITZ G.R., FRIEMAN J.A., FUKUGITA M., GURBANI V.K., HARRIS F.H., HECKMAN T.M., HENNESSY G.S., HINDSLEY R.B., HOLMGREN D.J., HULL C., ICHIKAWA S.-I., ICHIKAWA T., IVEZIC Z., KENT S., KNAPP G.R., KRON R.G., LAMB D.Q., LEGER R.F., LIMMONGKOL S., LINDENMEYER C., LONG D.C., LOVEDAY J., MacKINNON B., MANNERY E.J., MANTSCH P.M., MARGON B., McKAY T.A., MUNN J.A., NASH T., NEWBERG H.J., NICHOL R.C., NICINSKI T., OKAMURA S., OSTRIKER J.P., OWEN R., PAULS A.G., PEOPLES J., PETRAVICK D., PIER J.R., PORDES R., PROSAPIO A., RECHENMACHER R., RICHARDS G.T., RICHMOND M.W., RIVETTA C.H., ROCKOSI C.M., SANDFORD D., SERGEY G., SEKIGUCHI M., SHIMASAKU K., SIEGMUND W.A., SMITH J.A., STOUGHTON C., SZALAY A.S., SZOKOLY G.P., TUCKER D.L., VOGELEY M.S., WADDELL P., WANG S.-I., WEINBERG D.H., YASUDA N. and YORK D.G.

Abstract (from CDS):

We present photometric and spectroscopic observations of 15 high-redshift quasars (z>3.6) discovered from ∼140 deg2 of five-color (u', g', r', i', and z') imaging data taken by the Sloan Digital Sky Survey (SDSS) during its commissioning phase. The quasars are selected by their distinctive colors in SDSS multicolor space. Four of the quasars have redshifts higher than 4.6 (z=4.63, 4.75, 4.90, and 5.00, the latter being the highest redshift quasar yet known). In addition, two previously known z>4 objects were recovered from the data. The quasars all have i*<20 and have luminosities comparable to that of 3C 273. The spectra of the quasars have similar features (strong, broad emission lines and substantial absorption blueward of the Lyα emission line) seen in previously known high-redshift quasars. Although the photometric accuracy and image quality fail to meet the final survey requirements, our success rate for identifying high-redshift quasars (17 quasars from 27 candidates) is much higher than that of previous multicolor surveys. However, the numbers of high-redshift quasars found is in close accord with the number density inferred from previous surveys.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Quasars: General

Simbad objects: 18

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Number of rows : 18
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 QSO J0035+0040 QSO 00 35 25.2917898096 +00 40 02.807161536   24.03 22.48     ~ 36 0
2 QSO B0103+00 QSO 01 06 19.2392271120 +00 48 23.369353992   21.68 20.23     ~ 94 0
3 QSO J0124+0044 QSO 01 24 03.7793700432 +00 44 32.745561900   19.71 18.71 17.9   ~ 100 0
4 SDSS J012403.78+004432.7 QSO 01 24 03.78 +00 48 23.4           ~ 7 0
5 [VV2000] J012650.7+011611 QSO 01 26 50.7570661080 +01 16 11.928816948     19.20     ~ 12 0
6 [VV2000] J015048.9+004126 QSO 01 50 48.8308399416 +00 41 26.222012304   19.98 19.11     ~ 53 0
7 QSO B0151-00 QSO 01 53 39.6078379368 -00 11 04.929367704   21.73 20.12     ~ 71 0
8 QSO J0211-0009 QSO 02 11 02.7239895552 -00 09 10.336384080     22.00     ~ 45 0
9 [VV2000] J023231.4-000010 QSO 02 32 31.4048627184 -00 00 10.780098984   21.62 20.60     ~ 30 0
10 [VV2000] J025112.4-005208 QSO 02 51 12.4401956544 -00 52 08.257697328   20.73 19.87     ~ 30 0
11 QSO J0255+0048 QSO 02 55 18.5784341184 +00 48 47.540744316   21.15 20.00     ~ 82 0
12 QSO J0310-0014 QSO 03 10 36.9742721856 -00 14 57.070890312   23.35 22.23     ~ 31 0
13 [VV2000] J032608.2-003340 QSO 03 26 08.1241215984 -00 33 40.101333192   21.78 20.50     ~ 33 0
14 QSO J0338+0021 QSO 03 38 29.3153623704 +00 21 56.241639108   25.10 23.26     ~ 102 0
15 SDSS J225419.22-000155.1 QSO 22 54 19.2332748648 -00 01 55.056462708   21.05 20.13     ~ 31 0
16 [VV2000] J225759.6+001645 QSO 22 57 59.6740015296 +00 16 45.636297312   20.73 19.77     ~ 37 0
17 [VV2000] J230952.2-003138 QSO 23 09 52.2923483808 -00 31 39.005180652   21.18 20.21     ~ 33 0
18 [VV2006] J235718.4+004350 QSO 23 57 18.3619645248 +00 43 50.431495872   23.01 21.43     ~ 47 0

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