2022ApJ...926L..11S

Query : 2022ApJ...926L..11S

2022ApJ...926L..11S - Astrophys. J., 926, L11-L11 (2022/February-3)

Optical Rebrightening of Extragalactic Transients from the Zwicky Transient Facility.

SORAISAM M., MATHESON T., LEE C.-H., SAHA A., NARAYAN G., WOLF N., SCOTT A., FIGUEREO S., NUNEZ R., McKINNON K., GUHATHAKURTA P., BRINK T.G., FILIPPENKO A.V. and SMITH N.

Abstract (from CDS):

Ongoing large-scale optical time-domain surveys, such as the Zwicky Transient Facility (ZTF), are producing alerts at unprecedented rates. Analysis of transient sources has so far followed two distinct paths: archival analysis of data on transient sources at a time when they are no longer observable and real-time analysis at the time when the sources are first detected. The latter is the realm of alert brokers such as the Arizona-NOIRLab Temporal Analysis and Response to Events System (ANTARES). In this paper, we synthesize the two analysis paths and present a first systematic study of archival alert-broker data, focusing on extragalactic transients with multipeaked light curves identified in the ANTARES archive of ZTF alerts. Our analysis yields a sample of 37 such sources, including core-collapse supernovae (with two analogs of iPTF14hls), thermonuclear supernovae interacting with their surrounding circumstellar medium, tidal disruption events, luminous blue variables, and as yet unclassified objects. A large fraction of the identified sources is currently active, warranting allocation of follow-up resources in the immediate future to further constrain their nature and the physical processes at work.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Time domain astronomy

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 AT 2019lgc SN* 00 14 54.044 +36 18 03.26           SNIIb 1 0
2 SN 2002ic SN* 01 30 02.55 +21 53 06.9     18.5     SNIapec 252 1
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
4 AT 2020upt No* 01 34 05.624 +30 57 29.37           ~ 2 0
5 SN 2019ply SN* 02 59 46.981 +15 17 48.67           SNIIb 3 0
6 AT 2020adnx SN* 03 05 55.515 +41 36 31.29           ~ 1 0
7 AT 2021ehb ev 03 07 47.806 +40 18 40.57           ~ 42 0
8 SN 2020sgf SN* 03 22 52.763 +42 33 21.98           SNIc 3 0
9 AT 2019pev CV? 04 29 22.7162030809 +00 37 07.516251497           ~ 24 0
10 AT 2020uly SN* 05 39 17.338 +63 38 30.19           SNIa 1 0
11 SN 2019smj SN* 07 49 40.72 +05 04 27.2           SNIIn 6 0
12 AT 2018lcp SN? 07 50 50.020 +01 21 30.06           ~ 3 0
13 SDSS J075654.53+341543.6 G 07 56 54.5382395520 +34 15 43.641537336           ~ 96 0
14 SN 2021heh SN* 07 59 47.295 +25 21 21.00           SNIIb 2 0
15 AT 2019avd Sy1 08 23 36.80 +04 23 03.4           ~ 47 0
16 SN 2019bjr SN* 08 42 59.642 +59 34 04.43           SNIIP 3 0
17 SN 2019cad SN* 09 08 42.971 +44 48 46.04           SNIc 19 0
18 SN 2016bse SN* 09 20 34.30 +50 41 46.8           SNIIP 134 0
19 SN 2010jl SN* 09 42 53.33 +09 29 41.8           SNIIn 350 1
20 SN 2021pb SN* 09 44 46.799 +51 41 14.67           SNIIb 7 0
21 AT 2021blu s*b 10 42 34.347 +34 26 14.57           LBV 7 0
22 Z 184-6 AG? 10 42 42.787 +34 26 57.39   13.31 13.09 12.84 12.85 ~ 173 0
23 SN 2019tsf SN* 11 08 32.800 -10 28 54.44           SNIb 15 0
24 SN 2020eyj SN* 11 11 47.180 +29 23 06.36           SNIa 33 0
25 SN 2021efd SN* 11 24 24.730 +23 38 58.31           SNIb 4 0
26 SN 2019zrk SN* 11 39 47.398 +19 55 46.71           SNIIn 18 0
27 SN 2020aeuh SN* 12 35 51.853 +37 42 12.53           SNIa 5 0
28 AT 2018jbd ev 13 23 29.150 +27 35 54.06           ~ 1 0
29 AT 2020cd SN* 13 32 56.309 +54 02 31.74           SNII 1 0
30 SN 2021pkd SN* 14 33 22.283 +19 07 42.59           SNIIb 2 0
31 AT 2019dwf ev 14 44 31.593 +70 27 21.55           ~ 1 0
32 SN 2020faa SN* 14 47 09.469 +72 44 11.56           SNII 22 0
33 SN 2020aekp SN* 15 43 11.387 +17 48 47.22           SNIa 10 0
34 AT 2020acka ev 15 55 01.951 +16 18 16.31           ~ 16 0
35 AT 2021njo SN* 16 07 06.985 +47 26 37.10           SNII 3 0
36 AT 2017bgt AGN 16 11 05.518 +02 34 02.14           ~ 35 0
37 SN 2021ugl SN* 16 27 55.689 +20 15 11.38           SNIIb 3 0
38 AT 2020nov ev 16 58 12.970 +02 07 03.04           ~ 17 0
39 SN 2019fdr SN* 17 09 06.859 +26 51 20.50           SLSN-II 48 0
40 SN 2010mc SN* 17 21 30.68 +48 07 47.4           SNIIn 101 1
41 AT 2020cpa SN* 17 26 37.723 +38 12 29.43           SNII 2 0
42 AT 2020dvd ev 17 43 48.698 +22 25 34.34           ~ 1 0
43 AT 2019baf ev 17 52 00.126 +65 37 35.91           ~ 9 0
44 SN 2020qlb SN* 19 07 49.550 +62 57 49.61           SLSN-I 16 0
45 AT 2021qbc SN* 19 30 02.615 +35 02 46.72           SNII-pec 1 0
46 SN 2019meh SN* 21 27 17.456 +64 24 59.18           SLSN-II 5 0
47 SN 2009ip s*b 22 23 08.26 -28 56 52.4           LBV 406 0
48 AT 2020vzz SN? 22 42 46.719 +51 30 21.50           ~ 1 0
49 AT 2018bcb ev 22 43 42.90 -16 59 08.1           ~ 39 0
50 ZTF19abfqmjg AGN 22 56 41.0620 +23 02 32.510           ~ 2 0
51 SN 2020xkx SN* 23 20 28.172 +22 59 12.86           SNIIn 4 0

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