2011ApJS..194...22K

Query : 2011ApJS..194...22K

2011ApJS..194...22K - Astrophys. J., Suppl. Ser., 194, 22 (2011/June-0)

The Magellanic Quasars Survey. I. Doubling the number of known active galactic nuclei behind the Small Magellanic Cloud.

KOZLOWSKI S., KOCHANEK C.S. and UDALSKI A.

Abstract (from CDS):

We report the spectroscopic confirmation of 29 new, 12 plausible, and three previously known quasars behind the central ∼1.5 deg2 region of the Small Magellanic Cloud (SMC). These were identified in a single 2DF/AAOMEGA observation on the Anglo-Australian Telescope of 268 candidates selected primarily based on their mid-IR colors, along with a smaller number of optically variable sources in OGLE-II close to known X-ray sources. The low detection efficiency was partly expected from the high surface density of SMC as compared with the Large Magellanic Cloud targets and the faintness of many of them (149 with I>20 mag). The expected number of I < 20 mag quasars in the field is ≃38, and we found 15 (40%). We did not attempt to determine the nature of the remaining sources, although several appear to be new planetary nebulae. The newly discovered active galactic nuclei can be used as reference points for future proper-motion studies, to study absorption in the SMC interstellar medium, and to study the physics of quasar variability with the existing long-term, highly cadenced OGLE light curves.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - Magellanic Clouds - quasars: general

VizieR on-line data: <Available at CDS (J/ApJS/194/22): table1.dat table2.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 49

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Number of rows : 49
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 OGLE SMC125.5 6063 QSO 00 39 57.65 -73 06 03.6     19.74   19.44 ~ 3 0
2 2MASS J00414502-7254356 QSO 00 41 45.0486850776 -72 54 35.913525408     20.21   19.05 ~ 5 0
3 MQS J004507.54-724121.6 QSO 00 45 07.5470851488 -72 41 21.541974792     20.10   19.38 ~ 3 0
4 OGLE SMC125.4 54611 Q? 00 45 20.77 -73 03 01.9     21.18   20.52 ~ 1 0
5 OGLE SMC126.2 33358 Q? 00 45 22.9837684632 -72 45 41.173883676     21.23   20.77 ~ 2 0
6 OGLE SMC125.2 55437 Q? 00 45 42.49 -73 23 17.3     21.92   20.29 ~ 2 0
7 OGLE SMC126.1 26007 QSO 00 45 51.62 -72 57 35.0     20.35   19.34 ~ 3 0
8 OGLE SMC126.1 23941 Q? 00 45 56.83 -72 56 36.5     19.24   18.51 ~ 1 0
9 MQS J004736.12-724538.2 QSO 00 47 36.1489084440 -72 45 38.138513868     21.77   20.15 ~ 6 0
10 OGLE SMC101.8 38968 QSO 00 47 53.62 -72 43 50.5     21.21   20.66 ~ 3 0
11 OGLE SMC100.8 45221 HXB 00 48 18.6544401408 -73 21 00.134221356   16.43 16.57   16.69 ~ 11 1
12 OGLE SMC100.8 19174 QSO 00 48 31.50 -73 23 39.9     21.40   20.32 ~ 3 0
13 OGLE SMC100.5 55472 QSO 00 49 44.41 -72 54 00.5     21.27   20.12 ~ 4 0
14 OGLE SMC100.6 59954 Q? 00 49 58.75 -72 59 52.1     20.83   20.12 ~ 2 0
15 OGLE SMC100.2 11515 Q? 00 51 32.67 -73 14 11.6     20.36   19.44 ~ 1 0
16 MQS J005203.27-723830.6 QSO 00 52 03.27 -72 38 30.6     20.80   19.90 ~ 4 0
17 OGLE SMC103.4 43395 QSO 00 52 35.03 -73 29 40.6     19.97   19.66 ~ 3 0
18 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
19 OGLE SMC100.4 26477 QSO 00 52 54.15 -72 56 28.1     21.47   20.53 ~ 4 0
20 OGLE SMC101.1 53779 QSO 00 52 59.10 -72 45 10.9     20.80   20.33 ~ 4 0
21 MQS J005433.79-730924.0 QSO 00 54 33.8424302136 -73 09 24.278966496     21.61   20.37 ~ 3 0
22 OGLE SMC105.7 34076 QSO 00 54 44.70 -72 48 13.7     21.62   20.73 ~ 6 0
23 OGLE SMC105.6 35907 Q? 00 54 54.05 -72 37 26.2     20.65   19.96 ~ 1 0
24 XMMU J005511.4-723727 AGN 00 55 11.81 -72 37 28.3     20.59   19.43 ~ 2 0
25 Jacoby SMC 23 PN 00 55 30.43 -72 50 21.9     19.7   17.835 ~ 17 0
26 [VV2006] J005534.7-722834 QSO 00 55 34.64 -72 28 34.4     18.70   18.28 ~ 16 0
27 OGLE SMC105.6 41241 QSO 00 56 13.33 -72 38 21.0     19.88   18.89 ~ 2 0
28 OGLE SMC108.8 63047 QSO 00 57 08.12 -72 22 57.8     21.49   20.39 ~ 3 0
29 MQS J005714.12-723342.8 QSO 00 57 14.13 -72 33 42.8     20.81   20.05 ~ 3 0
30 OGLE SMC108.2 42880 Q? 00 59 01.04 -72 13 30.0     20.99   20.47 ~ 2 0
31 OGLE SMC108.4 11919 Q? 01 00 05.10 -71 59 21.7     20.52   19.95 ~ 3 0
32 XMMU J010005.8-715725 QSO 01 00 05.70 -71 57 23.5     19.09   18.66 ~ 7 0
33 OGLE SMC108.1 22073 Q? 01 00 31.06 -72 24 44.1     19.98   19.07 ~ 2 0
34 OGLE SMC108.1 53405 QSO 01 00 46.02 -72 21 31.4     20.75   20.05 ~ 3 0
35 USNO-B1.0 0176-00047908 QSO 01 00 57.77 -72 22 30.8     21.85   20.73 ~ 7 0
36 MQS J010127.42-721306.4 QSO 01 01 27.75 -72 13 06.2     20.58   19.79 ~ 4 0
37 [VV2006] J010127.8-724614 QSO 01 01 28.0169634552 -72 46 14.127302784     19.87   19.31 ~ 10 0
38 2XMM J010137.5-720419 QSO 01 01 37.52 -72 04 18.9     19.31   18.51 ~ 6 0
39 MQS J010151.82-724109.9 QSO 01 01 51.81 -72 41 10.0     21.91   20.48 ~ 3 0
40 OGLE SMC110.5 5649 QSO 01 02 41.90 -72 32 38.7     19.21   18.91 ~ 3 0
41 [VV2006] J010244.9-721521 QSO 01 02 44.91 -72 15 21.9   19.3 18.90 18.0 18.34 ~ 11 0
42 MQS J010314.92-724307.6 QSO 01 03 14.92 -72 43 07.5     19.37   18.45 ~ 3 0
43 OGLE SMC110.6 5575 QSO 01 03 15.49 -72 42 21.2     19.85   19.08 ~ 3 0
44 MQS J010425.26-724540.7 QSO 01 04 25.27 -72 45 40.4     21.07   20.11 ~ 2 0
45 MQS J010449.62-724850.7 QSO 01 04 49.6333959672 -72 48 50.682344040     19.69   19.13 ~ 3 0
46 OGLE SMC110.6 32667 Q? 01 05 31.96 -72 37 21.3     20.25   19.66 ~ 2 0
47 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
48 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
49 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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