2021A&A...650A.174T


Query : 2021A&A...650A.174T

2021A&A...650A.174T - Astronomy and Astrophysics, volume 650A, 174-174 (2021/6-1)

SN 2018ijp: the explosion of a stripped-envelope star within a dense H-rich shell?

TARTAGLIA L., SOLLERMAN J., BARBARINO C., TADDIA F., MASON E., BERTON M., TAGGART K., BELLM E.C., DE K., FREDERICK S., FREMLING C., GAL-YAM A., GOLKHOU V.Z., GRAHAM M., HO A.Y.Q., HUNG T., KAYE S., KIM Y.-L., LAHER R.R., MASCI F.J., PERLEY D.A., PORTER M.D., REILEY D.J., RIDDLE R., RUSHOLME B., SOUMAGNAC M.T. and WALTERS R.

Abstract (from CDS):

In this paper, we discuss the outcomes of the follow-up campaign of SN 2018ijp, discovered as part of the Zwicky Transient Facility survey for optical transients. Its first spectrum shows similarities to broad-lined Type Ic supernovae around maximum light, whereas later spectra display strong signatures of interaction between rapidly expanding ejecta and a dense H-rich circumstellar medium, coinciding with a second peak in the photometric evolution of the transient. This evolution, along with the results of modeling of the first light-curve peak, suggests a scenario where a stripped star exploded within a dense circumstellar medium. The two main phases in the evolution of the transient could be interpreted as a first phase dominated by radioactive decays, and a later interaction-dominated phase where the ejecta collide with a pre-existing shell. We therefore discuss SN 2018jp within the context of a massive star depleted of its outer layers exploding within a dense H-rich circumstellar medium.

Abstract Copyright: © ESO 2021

Journal keyword(s): supernovae: general - supernovae: individual: SN 2018ijp

VizieR on-line data: <Available at CDS (J/A+A/650/A174): table.dat>

Simbad objects: 20

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Number of rows : 20
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 CRTS MLS151203 J000922-000407 SN* 00 09 21.67 -00 04 06.5           SNIc 5 0
2 SN 2019oys SN* 07 07 59.260 +31 39 55.30           SNIb 6 0
3 SN 1997ef SN* 07 57 02.87 +49 33 41.3     16.5     SNIc-BL 269 1
4 PTF 11kx SN* 08 09 12.87 +46 18 48.8           SNIa 133 0
5 SN 2006jc SN* 09 17 20.78 +41 54 32.7     13.8     SNIbn 327 1
6 SDSS J102137.72+085554.1 G 10 21 37.72776 +08 55 54.1668           ~ 2 0
7 SN 2018ijp SN* 10 21 38.051 +08 55 53.03           SNIc 7 0
8 SN 2019tsf SN* 11 08 32.800 -10 28 54.44           SNIb 6 0
9 SN 2017dio SN* 11 36 27.76 +18 17 46.9           SNIc 17 0
10 SN 2013L SN* 11 45 29.55 -50 35 53.1           SNIIn 25 1
11 SN 2004aw SN* 11 57 50.24 +25 15 55.1   18.06       SNIc 193 1
12 SN 2017ens SN* 12 04 09.36 -01 55 52.2           SLSN-I 23 0
13 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 755 1
14 iPTF 16asu SN* 12 59 09.28 +13 48 09.2           SNIc 36 0
15 SN 1995N SN* 14 49 28.29 -10 10 14.0     17.5     SNIIn 153 1
16 SN 2009er SN* 15 39 29.84 +24 26 05.3           SNIbpec 23 1
17 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1778 2
18 SN 2014C SN* 22 37 05.60 +34 24 31.9           SNIb 105 1
19 SN 2003jd SN* 23 21 03.38 -04 53 45.5   16.34       SNIc-BL 138 1
20 PTF 11lbm SN* 23 48 03.20 +26 44 33.5           SNIc 6 0

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2023.06.07-01:42:23

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