2018MNRAS.481..894P

Query : 2018MNRAS.481..894P

2018MNRAS.481..894P - Mon. Not. R. Astron. Soc., 481, 894-917 (2018/November-3)

Rapidly evolving transients in the Dark Energy Survey.

PURSIAINEN M., CHILDRESS M., SMITH M., PRAJS S., SULLIVAN M., DAVIS T.M., FOLEY R.J., ASOREY J., CALCINO J., CAROLLO D., CURTIN C., D'ANDREA C.B., GLAZEBROOK K., GUTIERREZ C., HINTON S.R., HOORMANN J.K., INSERRA C., KESSLER R., KING A., KUEHN K., LEWIS G.F., LIDMAN C., MACAULAY E., MOLLER A., NICHOL R.C., SAKO M., SOMMER N.E., SWANN E., TUCKER B.E., UDDIN S.A., WISEMAN P., ZHANG B., ABBOTT T.M.C., ABDALLA F.B., ALLAM S., ANNIS J., AVILA S., BROOKS D., BUCKLEY-GEER E., BURKE D.L., CARNERO ROSELL A., CARRASCO KIND M., CARRETERO J., CASTANDER F.J., CUNHA C.E., DAVIS C., DE VICENTE J., DIEHL H.T., DOEL P., EIFLER T.F., FLAUGHER B., FOSALBA P., FRIEMAN J., GARCIA-BELLIDO J., GRUEN D., GRUENDL R.A., GUTIERREZ G., HARTLEY W.G., HOLLOWOOD D.L., HONSCHEID K., JAMES D.J., JELTEMA T., KUROPATKIN N., LI T.S., LIMA M., MAIA M.A.G., MARTINI P., MENANTEAU F., OGANDO R.L.C., PLAZAS A.A., ROODMAN A., SANCHEZ E., SCARPINE V., SCHINDLER R., SMITH R.C., SOARES-SANTOS M., SOBREIRA F., SUCHYTA E., SWANSON M.E.C., TARLE G., TUCKER D.L., WALKER A.R. (The DES Collaboration)

Abstract (from CDS):

We present the results of a search for rapidly evolving transients in the Dark Energy Survey Supernova Programme. These events are characterized by fast light-curve evolution (rise to peak in <=10 d and exponential decline in <=30 d after peak). We discovered 72 events, including 37 transients with a spectroscopic redshift from host galaxy spectral features. The 37 events increase the total number of rapid optical transients by more than a factor of two. They are found at a wide range of redshifts (0.05 < z < 1.56) and peak brightnesses (-15.75 > Mg > -22.25). The multiband photometry is well fit by a blackbody up to few weeks after peak. The events appear to be hot (T ≃ 10 000-30 000 K) and large (R ≃ 1014 - 2 x 1015 cm) at peak, and generally expand and cool in time, though some events show evidence for a receding photosphere with roughly constant temperature. Spectra taken around peak are dominated by a blue featureless continuum consistent with hot, optically thick ejecta. We compare our events with a previously suggested physical scenario involving shock breakout in an optically thick wind surrounding a core-collapse supernova, we conclude that current models for such a scenario might need an additional power source to describe the exponential decline. We find that these transients tend to favour star-forming host galaxies, which could be consistent with a core-collapse origin. However, more detailed modelling of the light curves is necessary to determine their physical origin.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): supernovae: general

VizieR on-line data: <Available at CDS (J/MNRAS/481/894): table3.dat table4.dat table5.dat table6.dat>

Simbad objects: 92

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Number of rows : 92
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 DES16E1bir ev 00 30 58.640 -42 58 37.18           ~ 4 0
2 DES16E2pv ev 00 36 50.190 -43 31 40.16           ~ 5 0
3 DES15E2lmq ev 00 38 28.820 -43 59 14.04           ~ 2 0
4 DES14E2xsm ev 00 38 42.270 -43 35 14.11           ~ 2 0
5 DES15E2nqh ev 00 38 55.590 -43 05 13.14           ~ 5 0
6 DES13E2lpk ev 00 40 23.800 -43 32 19.74           ~ 3 0
7 DES14E2bfx ev 00 42 40.580 -44 25 05.62           ~ 1 0
8 SN 2011kl SN* 00 57 22.64 -46 48 03.6           SNSLSN 268 1
9 DES14X1bnh ev 02 14 59.790 -04 47 33.32           ~ 5 0
10 DES16X1ddm ev 02 15 18.880 -04 21 52.07           ~ 3 0
11 DES14X1qzg ev 02 19 43.650 -05 26 30.87           ~ 1 0
12 DES13X1hav ev 02 20 07.800 -05 06 36.53           ~ 5 0
13 DES13X2oyb ev 02 21 14.550 -05 40 44.03           ~ 2 0
14 DES16X1eho ev 02 21 22.870 -04 31 32.64           ~ 6 0
15 DES16X3ddi ev 02 21 45.390 -04 41 08.95           ~ 3 0
16 DES13X3aakf ev 02 22 50.840 -04 41 57.01           ~ 3 0
17 DES13X3gms ev 02 23 12.270 -04 29 38.35           ~ 6 0
18 DES15X3atd ev 02 23 21.640 -04 17 28.95           ~ 3 0
19 DES16X2bke ev 02 24 02.300 -07 16 17.87           ~ 2 0
20 DES15X3nlv ev 02 24 10.700 -05 01 38.47           ~ 2 0
21 DES16X3erw ev 02 24 49.310 -04 30 51.45           ~ 4 0
22 DES16X3wt ev 02 24 56.980 -05 32 42.19           ~ 2 0
23 DES15X3kyt ev 02 25 05.980 -05 24 39.65           ~ 2 0
24 DES13X3pby ev 02 25 19.980 -05 18 50.58           ~ 2 0
25 DES15X2ead ev 02 25 57.380 -06 27 04.78           ~ 3 0
26 DES13X3kgm ev 02 26 00.920 -04 51 59.29           ~ 3 0
27 DES13X3npb ev 02 26 34.110 -04 08 01.96           ~ 5 0
28 DES15X3mxf ev 02 26 57.720 -05 14 22.81           ~ 4 0
29 DES15X3oma ev 02 26 59.070 -05 06 37.70           ~ 2 0
30 DES16X3cxn ev 02 27 19.320 -04 57 04.27           ~ 6 0
31 DES14X3pko ev 02 27 37.950 -03 41 44.27           ~ 2 0
32 DES13X3nyg ev 02 27 58.170 -03 54 48.05           ~ 4 0
33 DES13X3afjd ev 02 28 00.310 -04 34 59.39           ~ 3 0
34 DES14X3taz SN* 02 28 04.46 -04 05 12.7           SLSN-I 47 0
35 DES16X3ega ev 02 28 23.710 -04 46 36.18           ~ 5 0
36 DES13X3alnb ev 02 28 44.390 -05 08 32.47           ~ 2 0
37 DES14X3pkl ev 02 28 50.640 -04 48 26.44           ~ 4 0
38 DES14S2pli ev 02 44 54.760 -01 05 52.74           ~ 4 0
39 DES14S2anq ev 02 45 06.670 -00 44 42.77           ~ 5 0
40 DES16S2fqu ev 02 47 05.940 -00 20 50.40           ~ 2 0
41 DES14S2plb ev 02 47 25.620 -01 37 06.91           ~ 5 0
42 DES16S1dxu ev 02 50 43.530 -00 42 33.29           ~ 5 0
43 DES15S1fll ev 02 51 09.360 -00 11 48.71           ~ 5 0
44 DES15S1fli ev 02 52 45.150 -00 53 10.21           ~ 6 0
45 SN 2005ek SN* 03 05 48.96 +36 46 10.6     17.5     SNIc: 76 1
46 DES15C3opk ev 03 26 38.760 -28 20 50.12           ~ 5 0
47 DES15C3opp ev 03 26 57.530 -28 06 53.61           ~ 5 0
48 DES16C3auv ev 03 27 36.510 -27 35 27.33           ~ 2 0
49 DES13C3nxi ev 03 27 51.220 -28 21 26.21           ~ 3 0
50 DES13C3avkj ev 03 27 52.970 -27 31 40.86           ~ 2 0
51 DES13C3smn ev 03 27 53.080 -28 05 00.93           ~ 3 0
52 DES15C3mfu ev 03 28 36.080 -28 44 20.00           ~ 2 0
53 DES15C3lzm ev 03 28 41.860 -28 13 54.96           ~ 4 0
54 DES15C3pbi ev 03 28 56.680 -28 00 07.98           ~ 3 0
55 DES16C3cdd ev 03 29 42.530 -27 08 35.49           ~ 2 0
56 DES15C3edw ev 03 30 12.590 -27 42 34.93           ~ 2 0
57 DES14C3htq ev 03 30 17.340 -27 41 46.61           ~ 1 0
58 DES13C3abtt ev 03 30 28.910 -28 09 42.12           ~ 3 0
59 DES15C3lpq ev 03 30 50.890 -28 36 47.08           ~ 5 0
60 DES16C3gin ev 03 31 03.060 -28 17 30.98           ~ 5 0
61 DES15C3mgq ev 03 31 04.560 -28 12 31.74           ~ 6 0
62 DES16C3axz ev 03 31 14.150 -28 40 00.25           ~ 4 0
63 DES13C3asvu ev 03 31 20.820 -27 21 38.89           ~ 2 0
64 DES15C3nat ev 03 31 32.440 -28 43 25.06           ~ 5 0
65 DES13C3uig ev 03 31 46.550 -27 35 07.96           ~ 4 0
66 DES13C3bcok ev 03 32 06.470 -28 37 29.70           ~ 5 0
67 DES14C3tvw ev 03 33 17.610 -27 54 23.92           ~ 4 0
68 DES16C2ggt ev 03 35 33.880 -29 13 29.33           ~ 4 0
69 DES15C2eal ev 03 36 14.680 -29 13 49.32           ~ 3 0
70 DES13C1tgd ev 03 36 15.420 -27 38 19.07           ~ 3 0
71 DES16C1bde ev 03 37 12.340 -26 45 29.93           ~ 2 0
72 DES13C1acmt ev 03 37 18.990 -26 50 00.99           ~ 2 0
73 DES14C1jnd ev 03 37 24.360 -27 29 35.03           ~ 2 0
74 DES16C1cbd ev 03 39 25.970 -27 40 20.37           ~ 5 0
75 DES16C2grk ev 03 40 16.350 -29 17 20.18           ~ 2 0
76 SN 2002bj SN* 05 11 46.41 -15 08 10.8     14.8     SNIIn 86 1
77 SN 2015U SN* 07 28 53.87 +33 49 10.6           SNIbn 47 1
78 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1507 1
79 PS1-11qr ev 09 56 41.767 +01 53 38.25           ~ 20 0
80 PS1-12bb ev 09 57 23.866 +03 11 04.47           ~ 16 0
81 LSQ 14bdq SN* 10 01 41.60 -12 22 13.4           SLSN-I 70 0
82 SN 2015H SN* 10 54 42.2 -21 04 14           SNIax 35 1
83 NAME Dougie V* 12 08 47.9 +43 01 21           ~ 25 0
84 iPTF 15ul SN* 12 14 03.76 +47 54 03.9           ~ 24 0
85 iPTF 16asu SN* 12 59 09.28 +13 48 09.2           SLSN-I 49 0
86 SN 2011dh SN* 13 30 05.10555 +47 10 10.9227           SNIIb 445 1
87 SN 2011fe SN* 14 03 05.711 +54 16 25.22   10.12 10.06     SNIa-norm 747 1
88 PTF 09uj SN* 14 20 11.15 +53 33 41.0           ~ 41 1
89 PTF 10iam SN* 15 45 30.85 +54 02 33.0           ~ 20 0
90 SN 1999cq SN* 18 32 07.10 +37 36 44.3     15.8     SNIb/c 59 1
91 SN 2006oz SN* 22 08 53.56 +00 53 50.4           SLSN-I 90 1
92 PS1-10bjp ev 23 26 21.402 -01 31 23.11           ~ 20 0

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