2020ApJ...894L..10H

Query : 2020ApJ...894L..10H

2020ApJ...894L..10H - Astrophys. J., 894, L10-L10 (2020/May-1)

Examining a peak-luminosity/decline-rate relationship for tidal disruption events.

HINKLE J.T., HOLOIEN T.W.-S., SHAPPEE B.J., AUCHETTL K., KOCHANEK C.S., STANEK K.Z., PAYNE A.V. and THOMPSON T.A.

Abstract (from CDS):

We compare the luminosity, radius, and temperature evolution of the UV/optical blackbodies for 21 well-observed tidal disruption events (TDEs), 8 of which were discovered by the All-Sky Automated Survey for Supernovae. We find that the blackbody radii generally increase prior to peak and slowly decline at late times. The blackbody temperature evolution is generally flat, with a few objects showing small-scale variations. The bolometric UV/optical luminosities generally evolve smoothly and flatten out at late times. Finally, we find an apparent correlation between the peak luminosity and the decline rate of TDEs. This relationship is strongest when comparing the peak luminosity to its decline over 40 days. A linear fit yields log10(Lpeak) = (44.1–0.1+0.1) + (1.6–0.2+0.4)(ΔL40+0.5) in cgs, where ΔL40=log10(L40/Lpeak).

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Black hole physics - Supermassive black holes - Tidal disruption - Transient sources

Simbad objects: 36

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Number of rows : 36
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 Z 500-36 AG? 00 29 57.0542865144 +32 53 37.265932104           ~ 155 0
2 SDSS J010733.63+232834.2 G 01 07 33.6367520523 +23 28 34.282762347           ~ 37 0
3 SN 2007if SN* 01 10 51.37 +15 27 39.9   23.3 19.5     SNIap 142 1
4 SN 2006gy SN* 03 17 27.06 +41 24 19.5       14.20   SNIIn 372 1
5 ASASSN -15nx SN* 04 43 53.19 -09 42 11.2           SNIIpec 18 0
6 AT 2019qiz ev 04 46 37.880 -10 13 34.92           ~ 143 0
7 AT 2019ahk ev 07 00 11.410 -66 02 25.16           ~ 57 0
8 AT 2018lna ev 07 03 18.649 +23 01 44.70           ~ 29 0
9 SDSS J075654.53+341543.6 G 07 56 54.5382395520 +34 15 43.641537336           ~ 96 0
10 Z 119-12 SyG 08 13 16.9505119752 +22 38 53.905852212           ~ 156 0
11 PTF 15af SN* 08 48 28.13 +22 03 33.4           ~ 69 0
12 PS1-11af ev 09 57 26.815 +03 14 01.00           ~ 71 0
13 2MASS J10065085+0141342 G 10 06 50.8773292152 +01 41 34.006164648   18.082   17.032   SNII 127 0
14 2MASS J11084011+3405523 G 11 08 40.1149579272 +34 05 52.337925924           ~ 142 0
15 SN 2008es SN* 11 56 49.13 +54 27 25.7           SNIIL 122 1
16 NAME Dougie V* 12 08 47.9 +43 01 21           ~ 25 0
17 ZW VIII 211 rG 12 48 15.2253025968 +17 46 26.475426228   16.5       ~ 360 0
18 SN 2007bi SN* 13 19 20.19 +08 55 44.3       18.3   SLSN-I 228 1
19 SDSS J140941.88+552928.0 AGN 14 09 41.8833027816 +55 29 28.058874792           ~ 55 0
20 AT 2018dyk ev 15 33 08.01 +44 32 08.2           ~ 33 0
21 SN 2009dc SN* 15 51 12.12 +25 42 28.0           SNIa-norm 188 1
22 PS1-10jh ev 16 09 28.296 +53 40 23.52           ~ 153 0
23 2MASX J16105891-6055250 AG? 16 10 58.8863559654 -60 55 24.411688282           ~ 78 0
24 AT 2017bgt AGN 16 11 05.518 +02 34 02.14           ~ 35 0
25 SN 2018cow SN* 16 16 00.254 +22 16 05.10           SNIb 305 0
26 iPTF 16axa ev 17 03 34.36 +30 35 36.8           ~ 54 0
27 SN 2006gz SN* 18 10 26.33 +30 59 44.4   16.6       SNIa 156 1
28 AT 2019meg ev 18 45 16.180 +44 26 19.21           ~ 22 0
29 AT 2018zf SN* 19 27 19.485 +65 33 54.37           ~ 24 0
30 SN 2012dn SN* 20 23 36.26 -28 16 43.4           SNIa-norm 64 2
31 ASASSN -15oi SN* 20 39 09.096 -30 45 20.71           ~ 184 0
32 2MASX J20570298+1412165 G 20 57 02.9650698480 +14 12 16.295014080           ~ 162 0
33 ASASSN -15lh ev 22 02 15.4 -61 39 34           ~ 187 1
34 AT 2017eqx ev 22 26 48.370 +17 08 52.40           ~ 30 0
35 AT 2018bcb ev 22 43 42.90 -16 59 08.1           ~ 39 0
36 AT 2018fyk ev 22 50 16.10 -44 51 53.5           ~ 114 0

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