2021MNRAS.508.4342P

Query : 2021MNRAS.508.4342P

2021MNRAS.508.4342P - Mon. Not. R. Astron. Soc., 508, 4342-4358 (2021/December-2)

Transitional events in the spectrophotometric regime between stripped envelope and superluminous supernovae.

PRENTICE S.J., INSERRA C., SCHULZE S., NICHOLL M., MAZZALI P.A., VERGANI S.D., GALBANY L., ANDERSON J.P., ASHALL C., CHEN T.W., DECKERS M., DELGADO MANCHENO M., GONZALEZ DIAZ R., GONZALEZ-GAITAN S., GROMADZKI M., GUTIERREZ C.P., HARVEY L., KOZYREVA A., MAGEE M.R., MAGUIRE K., MULLER-BRAVO T.E., MUNOZ TORRES S., PESSI P.J., SOLLERMAN J., TEFFS J., TERWEL J.H. and YOUNG D.R.

Abstract (from CDS):

The division between stripped-envelope supernovae (SE-SNe) and superluminous supernovae (SLSNe) is not well-defined in either photometric or spectroscopic space. While a sharp luminosity threshold has been suggested, there remains an increasing number of transitional objects that reach this threshold without the spectroscopic signatures common to SLSNe. In this work, we present data and analysis on four SNe transitional between SE-SNe and SLSNe; the He-poor SNe 2019dwa and 2019cri, and the He-rich SNe 2019hge and 2019unb. Each object displays long-lived and variable photometric evolution with luminosities around the SLSN threshold of Mr < -19.8 mag. Spectroscopically however, these objects are similar to SE-SNe, with line velocities lower than either SE-SNe and SLSNe, and thus represent an interesting case of rare transitional events.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): supernovae: general

Simbad objects: 26

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Number of rows : 26
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 SN 2007gr SN* 02 43 27.98 +37 20 44.7       12.77   SNIc 265 1
2 SN 2019stc SN* 06 54 23.103 +17 29 31.35           SNIc 28 0
3 SN 2019unb SN* 09 47 57.02 +00 49 36.0           SLSN-I 16 0
4 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1507 1
5 SN 2017egm SN* 10 19 05.620 +46 27 14.08           SLSN-I 93 0
6 SN 2005bf SN* 10 23 56.99 -03 11 29.3     18.0     SNIb 225 1
7 SN 2015bn SN* 11 33 41.57 +00 43 32.2           SLSN-I 157 0
8 SN 2017ein SN* 11 52 53.26 +44 07 26.2           SNIc 69 0
9 SN 2017ens SN* 12 04 09.36 -01 55 52.2           SLSN-I 43 0
10 SN 2014L SN* 12 18 48.68 +14 24 43.5           SNIc 32 1
11 CRTS CSS120125 J124045+125321 SN* 12 40 44.82840 +12 53 21.5700           SNIc 13 0
12 SN 2011bm SN* 12 56 53.89 +22 22 28.2           SNIc 72 1
13 SN 2005az SN* 13 05 46.97 +27 44 08.4     17.4     SNIc 50 1
14 SN 1994I SN* 13 29 54.072 +47 11 30.50     12.9     SNIc 645 1
15 SN 2011ke SN* 13 50 57.77 +26 16 42.8     18.6     SLSN-I 92 1
16 ATLAS 19gnt SN* 13 54 02.720 +14 43 46.96           SN.Ic 4 0
17 SN 2018don SN* 13 55 08.64 +58 29 41.9           SLSN-I 22 0
18 PTF 12dam SN* 14 24 46.20 +46 13 48.3           SLSN-I 172 0
19 SN 2012aa SN* 14 52 33.48 -03 31 54.0           SLSN-I 23 1
20 SN 2019dwa SN* 15 38 57.480 +56 36 18.18           SN.Ic 4 0
21 SN 2019yz SN* 15 41 57.300 +00 42 39.41           SNIc 7 0
22 SN 2010md SN* 16 37 47.00 +06 12 32.3           SLSN-I 110 1
23 iPTF 13ajg SN* 16 39 03.95 +37 01 38.4           SLSN-I 67 0
24 SN 2019hcc SN* 21 00 20.92 -21 20 36.0           SLSN 7 0
25 SN 2019hge SN* 22 24 21.20 +24 47 17.1           SLSN-I 17 0
26 SN 2009jf SN* 23 04 52.98 +12 19 59.5           SNIb 121 1

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