CDS

2020A&A...643A..47O

Query : 2020A&A...643A..47O

2020A&A...643A..47O - Astronomy and Astrophysics, volume 643A, 47-47 (2020/11-1)

The interacting nature of dwarf galaxies hosting superluminous supernovae.

ORUM S.V., IVENS D.L., STRANDBERG P., LELOUDAS G., MAN A.W.S. and SCHULZE S.

Abstract (from CDS):


Context. Type I superluminous supernovae (SLSNe I) are rare, powerful explosions whose mechanism and progenitors remain elusive. Several studies have shown a preference for SLSNe I to occur in low-metallicity, actively star-forming dwarf galaxies.
Aims. We investigate whether the host galaxies of SLSNe I show increased evidence for interaction. Galaxy interaction can trigger star formation and provide favourable conditions for these exceptional explosions to take place.
Methods. Based on SLSN host galaxy images obtained with the Hubble Space Telescope (HST), we narrowed down a sample of 42 images obtained in the rest-frame ultraviolet over the redshift range between 0<z<2. The number of host galaxy companions was measured by counting the number of objects detected within a given projected radius from the host. As a comparison, we used two different Monte Carlo-based methods to estimate the expected average number of companion objects in the same HST images, as well as a sample of 32 dwarf galaxies that have hosted long gamma-ray bursts (GRBs).
Results. About 50% of SLSN I host galaxies have at least one major companion (within a flux ratio of 1:4) within 5kpc. The average number of major companions per SLSN I host galaxy is 0.70–0.14+0.19. Our two Monte Carlo comparison methods yield a lower number of companions for random objects of similar brightness in the same image or for the SLSN host after randomly redistributing the sources in the same image. The Anderson-Darling test shows that this difference is statistically significant (p-value<10–3) independent of the redshift range. The same is true for the projected distance distribution of the companions. The SLSN I hosts are, thus, found in areas of their images, where the object number density is greater than average. The SLSN I hosts have more companions than GRB hosts (0.44–0.13+0.25) companions per host distributed over 25% of the hosts) but the difference is not statistically significant. The difference between their separations is, however, marginally significant with SLSN companions being closer, on average, than those of GRBs.
Conclusions. The dwarf galaxies hosting SLSNe I are often part of interacting systems. This suggests that SLSNe I progenitors are formed after a recent burst of star formation. Low metallicity alone cannot explain this tendency.

Abstract Copyright: © ESO 2020

Journal keyword(s): supernovae: general - galaxies: interactions - galaxies: dwarf

CDS comments: Table 1 iPTF14tb not in SIMBAD. Table A.1 iPTF14dck and iPTF14dek not in SIMBAD.

Simbad objects: 93

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Number of rows : 93
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 iPTF 13cjq SN* 00 14 27.18 +24 17 08.8           SLSNe-I 7 0
2 DES15E2mlf SN* 00 41 33.40 -43 27 17.2           SLSN 13 0
3 PTF 11hrq SN* 00 51 47.22 -26 25 10.0           SLSN-I 19 0
4 GRB 041006 gB 00 54 50.17 +01 14 07.0           ~ 195 2
5 SN 2011kg SN* 01 39 45.51 +29 55 27.0           SLSNIc 66 1
6 GRB 040924 gB 02 06 22.52 +16 08 48.8           ~ 160 1
7 Fermi bn090113778 gB 02 08 16.00 +33 26 08.4           ~ 78 0
8 DES15X1noe SN* 02 14 41.93 -04 52 54.5           SLSN-I 9 0
9 PS1-12bqf SN* 02 24 54.621 -04 50 22.72           SLSN-I 16 0
10 PS1-11bdn SN* 02 25 46.292 -05 06 56.57           SLSN-I 10 0
11 DES15X3hm SN* 02 26 54.96 -05 03 38.0           SLSNI 9 0
12 DES14X3taz SN* 02 28 04.46 -04 05 12.7           SNSL-I 42 0
13 DES15S2nr SN* 02 40 44.62 -00 53 26.4           SLSN-I 12 0
14 SN 2013hy SN* 02 42 32.82 -01 21 30.1           SLSN-I 32 1
15 DES15S1nog SN* 02 52 14.98 -00 44 36.3           SLSNI? 7 0
16 CRTS CSS130912 J025702-001844 SN* 02 57 02.49 -00 18 44.1           SLSN-I 27 0
17 PTF 10vqv SN* 03 03 06.80 -01 32 34.9           SNIc? 21 0
18 DES16C3cv SN* 03 27 16.71 -28 42 45.9           SLSN-I 9 0
19 DES16C3ggu SN* 03 31 12.00 -28 34 38.7           SLSN-I 7 0
20 DES16C3dmp SN* 03 31 28.35 -28 32 28.3           SLSN-I 9 0
21 PS1-10bzj SN* 03 31 39.826 -27 47 42.17           SNIc 51 0
22 DES15C3hav SN* 03 31 52.17 -28 15 09.5           SLSN-I 14 0
23 DES14C1fi SN* 03 33 49.80 -27 03 31.6           SLSN-I 7 0
24 PS1-12bmy SN* 03 34 13.123 -26 31 17.21           SLSN-I 9 0
25 DES16C2nm SN* 03 40 14.83 -29 05 53.5           SLSN-I 12 0
26 GRB 070714B gB 03 51 22.30 +28 17 51.3           ~ 206 1
27 GRB 090407 gB 04 35 54.98 -12 40 45.5           ~ 69 0
28 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 637 1
29 GRB 991216 gB 05 09 31.2983 +11 17 07.262           ~ 420 0
30 GRB 990705 gB 05 09 54.5 -72 07 53           ~ 222 1
31 Fermi bn120711115 gB 06 18 42.839 -70 59 56.78           ~ 99 0
32 GRB 060729 gB 06 21 31.850 -62 22 12.69           ~ 276 0
33 iPTF 13ehe SN* 06 53 21.50 +67 07 56.0           SLSN-I 64 0
34 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 865 1
35 SN 2010bh SN* 07 10 30.63 -56 15 19.7           SNIc 276 1
36 GRB 070125 gB 07 51 17.80 +31 09 04.8           ~ 176 0
37 SN 2002lt SN* 08 08 59.858 +06 43 37.52           SNIc: 349 1
38 Fermi bn150314205 gB 08 26 40.82 +63 50 03.4           ~ 88 0
39 PS1-11bam SN* 08 41 14.192 +44 01 56.95           SLSNIc 27 0
40 SN 1999as SN* 09 16 30.86 +13 39 02.2     18.3     SNIcpec 51 1
41 PTF 10aagc SN* 09 39 56.923 +21 43 17.09           SLSN-I 24 0
42 SN 2012il SN* 09 46 12.91 +19 50 28.7           SLSNIc 62 1
43 SNLS 07D2bv SN* 10 00 06.62 +02 38 35.8           SLSN-I 23 0
44 PTF 10bjp SN* 10 06 34.30 +67 59 19.0           SLSN-I 12 0
45 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 201 1
46 iPTF 13bjz SN* 10 38 19.83 +24 24 51.0           SLSNe-I 8 0
47 SN 2003dh SN* 10 44 50.030 +21 31 18.15     16.2     SNIcpec 1193 1
48 PS1-11ap SN* 10 48 27.73 +57 09 09.2           SLSNIc 53 0
49 SN 2017iuk SN* 11 09 39.49 -12 35 18.7           ~ 139 0
50 SN 2010gx SN* 11 25 46.71 -08 49 41.4           SNIc 154 1
51 SN 2013cq SN* 11 32 32.84 +27 41 56.2           SNIc 491 1
52 SN 2015bn SN* 11 33 41.57 +00 43 32.2           SNIc 125 0
53 GRB 011121 gB 11 34 26.67 -76 01 41.6       23.0   ~ 271 1
54 Fermi bn100615083 gB 11 48 49.25 -19 28 52.2           ~ 109 0
55 GRB 990506 gB 11 54 41 -26 45.0           ~ 166 1
56 PS1-10pm SN* 12 12 42.200 +46 59 29.48           SNIc 24 0
57 PS1-11afv SN* 12 15 37.770 +48 10 48.62           SNIc 14 0
58 GRB 000418 gB 12 25 21 +20 05.0           ~ 213 0
59 PTF 10bfz SN* 12 54 41.27 +15 24 17.0           SNIc-BL 15 0
60 SN 2009cb SN* 12 59 15.85 +27 16 41.3           SNIa 22 1
61 SN 2005ap SN* 13 01 14.84 +27 43 31.4       18.20   SLSNIc 140 1
62 SN 2007bi SN* 13 19 20.19 +08 55 44.3       18.3   SNIcpec 213 1
63 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 484 1
64 SN 2011ke SN* 13 50 57.77 +26 16 42.8     18.6     SLSNIc 84 1
65 GRB 020405 gB 13 58 03.12 -31 22 22.2   21.9 21.5     ~ 247 1
66 PTF 12dam SN* 14 24 46.20 +46 13 48.3           SLSNIc 152 0
67 [DAB2006b] J143227.42+333225.1 SN* 14 32 27.395 +33 32 24.83           SNIc 111 0
68 SN 2011kf SN* 14 36 57.53 +16 30 56.6           SLSNIc 38 1
69 GRB 010222 G 14 52 12.5 +43 01 06           ~ 351 1
70 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 985 1
71 PTF 10nmn SN* 15 50 02.809 -07 24 42.38           SLSN-I 29 0
72 PTF 12gty SN* 16 01 15.23 +21 23 17.4           SNIc 19 0
73 PTF 09cnd SN* 16 12 08.94 +51 29 16.1           SLSNIc 111 0
74 PS1-11tt SN* 16 12 45.778 +54 04 16.96           SNIc 13 0
75 PTF 09atu SN* 16 30 24.55 +23 38 25.0           SNIc? 57 0
76 GRB 991208 gB 16 33 53.51 +46 27 21.5           ~ 257 1
77 SN 2010md SN* 16 37 47.00 +06 12 32.3           SNIc 90 1
78 iPTF 13ajg SN* 16 39 03.95 +37 01 38.4           SLSN-I 59 0
79 PTF 10uhf SN* 16 52 46.696 +47 36 21.76           SLSN-I 23 0
80 GRB 970828 gB 18 08 31.6 +59 18 51           ~ 346 1
81 SN 2005nc SN* 18 32 32.560 +26 20 22.34           SNIc: 374 1
82 SN 2010hy SN* 18 59 32.89 +19 24 25.9           SNIc 23 1
83 GRB 020813A gB 19 46 41.874 -19 36 04.81           ~ 302 0
84 SN 2006oz SN* 22 08 53.56 +00 53 50.4           SLSNIc 83 1
85 PS1-10ky SN* 22 13 37.851 +01 14 23.57           SNIc 45 0
86 PS1-10awh SN* 22 14 29.831 -00 04 03.62           SNIc 45 0
87 PS1-11aib SN* 22 18 12.217 +01 33 32.01           SLSN-I 14 0
88 PTF 12mxx SN* 22 30 16.728 +27 58 22.01           SLSN-I 12 0
89 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 259 1
90 GRB 020903 gB 22 48 42.34 -20 46 09.3           ~ 230 1
91 GRB 010921 gB 22 55 59.90 +40 55 52.9           ~ 170 1
92 GRB 051022A gB 23 56 04.200 +19 36 32.30           ~ 181 1
93 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 443 1

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2023.09.29-05:13:00

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