2024ApJ...966..136W

Query : 2024ApJ...966..136W

2024ApJ...966..136W - Astrophys. J., 966, 136 (2024/May-1)

ASASSN-18ap: A Dusty Tidal Disruption Event Candidate with an Early Bump in the Light Curve.

WANG Y., WANG T., JIANG N., ZHANG X., ZHU J., SHU X., HUANG S., ZHANG F., SHENG Z. and LIN Z.

Abstract (from CDS):

We reexamined the classification of the optical transient ASASSN-18ap, which was initially identified as a supernova (SN) upon its discovery. Based on newly emerged phenomena, such as a delayed luminous infrared outburst and the emergence of luminous coronal emission lines, we suggest that ASASSN-18ap is more likely a tidal disruption event (TDE) in a dusty environment, rather than an SN. The total energy in the infrared outburst is 3.1 × 1051 erg, which is an order of magnitude higher than the total energy in the optical-to-UV range, indicating a large dust extinction, an extra-extreme ultraviolet component, or anisotropic continuum emission. A bumpy feature appeared in the optical light curve at the start of brightening, which was reported in a couple of TDEs very recently. This early bump may have been overlooked in the past, due to the lack of sufficient sampling of the light curves of most TDEs during their ascending phase, and it could provide insight into the origin of optical emission.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Supermassive black holes - Tidal disruption - Supernovae - High energy astrophysics - Time domain astronomy

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 54

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Number of rows : 54
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 2022upj ev 00 23 56.846 -14 25 23.22           ~ 30 0
2 Z 500-36 AG? 00 29 57.0542865144 +32 53 37.265932104           ~ 155 0
3 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
4 OGLE16aaa ev 01 07 20.88 -64 16 20.7           ~ 72 0
5 SN 2018gn SN* 01 46 42.385 +32 30 27.18           SNII 17 0
6 Z 503-19 G 01 46 42.4472209128 +32 30 29.310902640   15.7       ~ 15 0
7 2MASS J01580475-0052221 Sy1 01 58 04.7506373016 -00 52 21.927742716   18.84 18.34     SNII 114 1
8 HD 19445 Pe* 03 08 25.5883873084 +26 19 51.400965175 8.29 8.52 8.06 7.60 7.27 G2VFe-3 801 0
9 SN 2006gy SN* 03 17 27.06 +41 24 19.5       14.20   SNIIn 372 1
10 AT 2019qiz ev 04 46 37.880 -10 13 34.92           ~ 143 0
11 SN 2006qq SN* 05 19 50.30 -20 58 06.4     17.0     SNIIn 25 1
12 SN 2003ma SN* 05 31 01.88 -70 04 15.9           SNIIn 45 1
13 AT 2019ahk ev 07 00 11.410 -66 02 25.16           ~ 57 0
14 SN 2019oys SN* 07 07 59.260 +31 39 55.30           SNIb 17 0
15 SDSS J075654.53+341543.6 G 07 56 54.5382395520 +34 15 43.641537336           ~ 96 0
16 SN 2006jd SN* 08 02 07.43 +00 48 31.5   22.5 21.8 20.4 21.3 SNIIn 128 1
17 Z 119-12 SyG 08 13 16.9505119752 +22 38 53.905852212           ~ 156 0
18 SN 2005kj SN* 08 40 09.18 -05 36 02.2     16.3     SNIIn 26 1
19 PTF 15af SN* 08 48 28.13 +22 03 33.4           ~ 69 0
20 AT 2020wey ev 09 05 25.88 +61 48 09.2           ~ 45 0
21 SN 2015bh SN* 09 09 34.96 +33 07 20.4           SNIIn 83 1
22 SN 2005ip SN* 09 32 06.42 +08 26 44.4 18.1 18.7 18.5     SNIIn 230 1
23 SN 2010jl SN* 09 42 53.33 +09 29 41.8           SNIIn 350 1
24 2MASS J09520955+2143132 Sy2 09 52 09.5610270816 +21 43 13.317315096   18.56 18.10     ~ 60 0
25 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1507 1
26 2MASS J10065085+0141342 G 10 06 50.8773292152 +01 41 34.006164648   18.082   17.032   SNII 127 0
27 AT 2020vdq ev 10 08 53.440 +42 43 00.23           ~ 37 0
28 SN 1988Z SN* 10 51 50.10 +16 00 00.5   16.8       SNIIn 385 1
29 SN 2007rt SN* 11 02 34.29 +50 34 58.5     16.8     SNIIn 33 1
30 2MASS J11084011+3405523 G 11 08 40.1149579272 +34 05 52.337925924           ~ 142 0
31 SDSS J111536.57+054449.7 QSO 11 15 36.5674817952 +05 44 49.690796568           ~ 23 0
32 SN 2019zrk SN* 11 39 47.398 +19 55 46.71           SNIIn 18 0
33 SN 2006aa SN* 11 53 19.89 +20 45 18.2     18.1     SNIIn 30 1
34 SN 2012ab SN* 12 22 47.5 +05 36 24           SNII: 28 1
35 ZW VIII 211 rG 12 48 15.2253025968 +17 46 26.475426228   16.5       ~ 360 0
36 SN 1997eg SN* 13 11 36.73 +22 55 29.4     15.6     SNIIn 78 1
37 NGP9 F380-1082374 Sy1 13 20 53.664 +21 55 10.28   19.60 19.30     ~ 10 0
38 SN 2007va SN* 14 26 23.24 +35 35 29.1           SNIIn: 17 1
39 [A96] Mrk 474 2 Sy1 14 34 18.4828726440 +49 12 36.529024824   19.85 19.06     ~ 31 0
40 SN 1995N SN* 14 49 28.29 -10 10 14.0     17.5     SNIIn 172 1
41 PTF 09axc SN* 14 53 13.06 +22 14 32.2           SNII 52 0
42 AT 2018dyk ev 15 33 08.01 +44 32 08.2           ~ 33 0
43 2MASX J16105891-6055250 AG? 16 10 58.8863559654 -60 55 24.411688282           ~ 78 0
44 AT 2019mha ev 16 16 27.799 +56 25 56.29           ~ 19 0
45 AT 2017gge ev 16 20 34.86 +24 07 25.6           ~ 30 0
46 PTF 09djl SN* 16 33 55.94 +30 14 16.3           SNII 74 0
47 iPTF 16axa ev 17 03 34.36 +30 35 36.8           ~ 54 0
48 SN 2010mc SN* 17 21 30.68 +48 07 47.4           SNIIn 101 1
49 AT 2021qth ev 20 11 38.926 -21 09 36.64           ~ 11 0
50 ASASSN -15oi SN* 20 39 09.096 -30 45 20.71           ~ 184 0
51 2MASX J20570298+1412165 G 20 57 02.9650698480 +14 12 16.295014080           ~ 162 0
52 SN 2009ip s*b 22 23 08.26 -28 56 52.4           LBV 406 0
53 SN 2014C SN* 22 37 05.60 +34 24 31.9           SNIb 167 1
54 AT 2018fyk ev 22 50 16.10 -44 51 53.5           ~ 114 0

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