2008ApJ...682.1205R

Query : 2008ApJ...682.1205R

2008ApJ...682.1205R - Astrophys. J., 682, 1205-1216 (2008/August-1)

A survey for fast transients in the Fornax cluster of galaxies.

RAU A., OFEK E.O., KULKARNI S.R., MADORE B.F., PEVUNOVA O. and AJELLO M.

Abstract (from CDS):

The luminosity gap between novae (MR≤-10) and supernovae (MR≥-14) has been well known since the pioneering research of Zwicky and Hubble. Nearby galaxy clusters and concentrations offer an excellent opportunity to search for explosions brighter than classical novae and fainter than supernovae. Here we present the results of a B-band survey of 23 member galaxies of the Fornax Cluster, performed at the Las Campanas 2.5 m Irénée du Pont telescope. Observations with a cadence of 32 minutes discovered no genuine fast transient to a limiting absolute magnitude of MB=-9.3 mag. We provide a detailed assessment of the transient detection efficiency and the resulting upper limits on the event rate as function of peak magnitude. Further, we discuss the discoveries of five previously unknown foreground variables which we identified as two flare stars, two W UMa-type eclipsing binaries and a candidate δ Scuti/SX Phe star.

Abstract Copyright: ∼

Journal keyword(s): Stars: Variables: δ Scuti - Stars: Flare - Stars: Variables: Other - Surveys

VizieR on-line data: <Available at CDS (J/ApJ/682/1205): table3.dat table4.dat>

Nomenclature: Fig.3, Table 3: [ROK2008] FA-1 N=5.

Simbad objects: 38

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Number of rows : 38
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 CD-34 239 PM* 00 41 30.4739854200 -33 37 32.030888686 13.138 11.969 10.525 9.619 8.741 K9V 116 0
2 NGC 1216 GiG 03 07 18.3927342768 -09 36 45.561419820   16.00   13.67   ~ 52 0
3 [ROK2008] FB-1 dS* 03 22 31.4079128877 -37 04 01.362354319           ~ 2 0
4 SN 2006dd SN* 03 22 41.64 -37 12 13.2   14.5 15.0     SNIa 87 1
5 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
6 SN 2006mr SN* 03 22 42.84 -37 12 28.5     15.6     SNIap 78 1
7 NGC 1317 GiP 03 22 44.2823209512 -37 06 13.180903956 12.20 11.78 11.02 10.22   ~ 240 1
8 NGC 1326 Sy1 03 23 56.3657298384 -36 27 52.322333040 11.69 11.43 10.54 10.02 10.9 ~ 279 2
9 [ROK2008] FA-1 V* 03 24 24.5972866344 -36 30 26.464098888           M1-2 1 0
10 NGC 1326A AG? 03 25 08.50 -36 21 50.2   13.80   12.91 13.7 ~ 103 0
11 NGC 1326B GiG 03 25 20.35 -36 23 05.8   13.08   13.2 12.9 ~ 55 0
12 NAME For I GrG 03 29 35.7 -36 11 36           ~ 23 0
13 NGC 1350 Sy2 03 31 08.119 -33 37 43.10   11.20 10.52 9.77 10.6 ~ 191 0
14 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
15 NGC 1373 GiP 03 34 59.1993515280 -35 10 15.879086760 14.44 14.03 13.26     ~ 136 1
16 NGC 1374 EmG 03 35 16.5885737352 -35 13 34.563417168 12.46 11.97 11.08 10.59   ~ 322 1
17 NGC 1375 GiG 03 35 16.8025873104 -35 15 56.371399740 13.50 13.02 12.40 11.74   ~ 175 1
18 NGC 1379 GiP 03 36 03.9668625792 -35 26 28.547476800 12.17 12.04 10.91 10.60   ~ 277 1
19 CRTS J033618.9-351458 EB* 03 36 18.8674728552 -35 14 58.722562752     16.15     ~ 3 0
20 NGC 1380 Sy2 03 36 27.590 -34 58 34.68 11.32 10.94 9.93 9.37   ~ 460 1
21 NGC 1381 GiP 03 36 31.6592184144 -35 17 42.739221912 12.90 12.47 11.50 11.02   ~ 269 1
22 NGC 1369 GiG 03 36 45.2559802872 -36 15 22.575550716   13.77   12.30   ~ 62 0
23 NGC 1386 Sy1 03 36 46.238 -35 59 57.39 12.42 12.16 11.23 10.76   ~ 553 1
24 NGC 1380A GiG 03 36 47.5007323848 -34 44 22.739259552 13.63 13.36 12.41 12.00   ~ 156 1
25 [ROK2008] FH-1 V* 03 36 53.6674073448 -36 05 29.784869412           M3-4 1 0
26 NGC 1387 Sy2 03 36 57.0337458600 -35 30 23.675934060 12.18 11.75 10.69 10.16   ~ 290 1
27 NGC 1382 GiP 03 37 08.9722655064 -35 11 41.995386996 13.19 13.79 12.92 12.31   ~ 135 1
28 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
29 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
30 NGC 1404 rG 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 787 1
31 NGC 1427 GiG 03 42 19.4455150392 -35 23 33.169251120   11.89   10.44   ~ 298 0
32 NGC 1428 GiG 03 42 22.73 -35 09 14.4   13.77   12.49   ~ 125 0
33 CRTS J034233.6-351829 EB* 03 42 33.7141324392 -35 18 28.839689568     14.75     ~ 3 0
34 MCG+06-09-008 GiG 03 47 39.8073219384 +39 20 48.614691120   16.0       ~ 28 1
35 V* W UMa SB* 09 43 45.4704536952 +55 57 09.061630668   8.54 7.75     G2Vn 686 0
36 SN 2005ap SN* 13 01 14.84 +27 43 31.4       18.20   SLSN-I 146 1
37 IC 4779 AG? 18 50 30.4368027720 -63 00 46.422602604   14.91   13.49   ~ 27 0
38 GRB 070610 X 19 55 09.60 +26 14 06.7           ~ 59 0

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