2019ApJ...886..152Y

Query : 2019ApJ...886..152Y

2019ApJ...886..152Y - Astrophys. J., 886, 152-152 (2019/December-1)

ZTF early observations of Type Ia supernovae. I. Properties of the 2018 sample.

YAO Y., MILLER A.A., KULKARNI S.R., BULLA M., MASCI F.J., GOLDSTEIN D.A., GOOBAR A., NUGENT P., DUGAS A., BLAGORODNOVA N., NEILL J.D., RIGAULT M., SOLLERMAN J., NORDIN J., BELLM E.C., CENKO S.B., DE K., DHAWAN S., FEINDT U., FREMLING C., GATKINE P., GRAHAM M.J., GRAHAM M.L., HO A.Y.Q., HUNG T., KASLIWAL M.M., KUPFER T., LAHER R.R., PERLEY D.A., RUSHOLME B., SHUPE D.L., SOUMAGNAC M.T., TAGGART K., WALTERS R. and YAN L.

Abstract (from CDS):

Early-time observations of Type Ia supernovae (SNe Ia) are essential to constrain the properties of their progenitors. In this paper, we present high-quality light curves of 127 SNe Ia discovered by the Zwicky Transient Facility (ZTF) in 2018. We describe our method to perform forced point-spread function photometry, which can be applied to other types of extragalactic transients. With a planned cadence of six observations per night (three g + three r), all of the 127 SNe Ia are detected in both g and r bands more than 10 days (in the rest frame) prior to the epoch of g-band maximum light. The redshifts of these objects range from z = 0.0181 to 0.165; the median redshift is 0.074. Among the 127 SNe, 50 are detected at least 14 days prior to maximum light (in the rest frame), with a subset of nine objects being detected more than 17 days before g-band peak. This is the largest sample of young SNe Ia collected to date; it can be used to study the shape and color evolution of the rising light curves in unprecedented detail. We discuss six peculiar events in this sample: one 02cx-like event ZTF18abclfee (SN 2018crl), one Ia-CSM SN ZTF18aaykjei (SN 2018cxk), and four objects with possible super-Chandrasekhar mass progenitors: ZTF18abhpgje (SN 2018eul), ZTF18abdpvnd (SN 2018dvf), ZTF18aawpcel (SN 2018cir), and ZTF18abddmrf (SN 2018dsx).

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): Type Ia supernovae - Sky surveys - Catalogs - Supernovae - Surveys - Photometry

VizieR on-line data: <Available at CDS (J/ApJ/886/152): sample.dat table5.dat table5.fits>

Simbad objects: 143

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Number of rows : 143
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 2018lpp SN* 00 50 06.4471 +39 57 24.911           SNIa 4 0
2 SN 2007if SN* 01 10 51.37 +15 27 39.9   23.3 19.5     SNIap 142 1
3 SN 2002ic SN* 01 30 02.55 +21 53 06.9     18.5     SNIapec 252 1
4 SN 2005gj SN* 03 01 11.96 -00 33 13.9   18.6       SNIapec 209 1
5 SN 2006gj SN* 03 17 35.80 -01 41 30.2     17.8     SNIa 50 1
6 SN 2002es SN* 03 23 47.23 +40 33 53.5     16.4     SNIapec 71 1
7 SN 2018cec SN* 11 50 16.480 +51 27 11.87           SNIa 6 0
8 SN 2018cvf SN* 12 06 40.620 +59 30 48.11           SNIa 9 0
9 SN 2016jhr SN* 12 18 19.850 +00 15 17.38           SNIa 41 0
10 SN 2018cdt SN* 12 20 01.666 +56 09 31.88           SNIa 10 0
11 SN 2018byg SN* 12 23 21.57 +46 36 08.3           SNIa-pec 33 0
12 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 612 1
13 SN 2018bjc SN* 12 42 15.1332 +42 16 18.173           SNIa 5 0
14 ASASSN -14bd SN* 12 52 44.8 +26 28 13           SNIa 102 0
15 SN 2018bvg SN* 12 55 24.6626 +45 34 42.215           SNIa 6 0
16 SN 2018cir SN* 13 01 17.040 +59 48 36.11           SNIa 6 0
17 SN 2018lpd SN* 13 02 37.2990 +55 55 32.562           SNIa 6 0
18 SN 2018lpc SN* 13 06 02.4626 +48 16 38.469           SNIa 4 0
19 SN 2002cx SN* 13 13 49.72 +06 57 31.9   17.68       SNIapec 240 1
20 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 422 1
21 SN 2018bhi SN* 13 28 12.7248 +53 54 57.719           SNIa 6 0
22 SN 2018bxo SN* 13 46 56.4513 +43 08 14.239           SNIa 8 0
23 SN 2018cbh SN* 13 51 52.8887 +47 15 25.173           SNIa 8 0
24 SN 2018lpw SN* 13 54 27.0327 +39 43 21.924           SNIa 4 0
25 SN 2018lpf SN* 13 54 33.3911 +40 10 11.855           SNIa 5 0
26 SN 2005cc SN* 13 57 04.850 +41 50 41.78     17.7     SNIapec: 49 1
27 SN 2018ebo SN* 14 16 48.500 +58 29 07.45           SNIa 7 0
28 SN 2018bpd SN* 14 17 15.095 +59 16 34.97           SNIa 7 0
29 SN 2018bgs SN* 14 21 35.0424 +49 32 49.943           SNIa 6 0
30 SN 2018cdu SN* 14 21 47.851 +48 09 59.74           SNIa 7 0
31 SN 2018dbe SN* 14 27 55.240 +40 58 27.64           SNIa 8 0
32 SN 2018dye SN* 14 29 14.170 +46 03 03.09           SNIa 6 0
33 SN 2018gem SN* 14 48 56.5890 +52 35 36.402           SNIa 4 0
34 SN 2018cvt SN* 14 51 53.630 +46 38 44.70           SNIa 9 0
35 SN 2018ety SN* 14 58 46.4829 +44 40 14.508           SNIa 5 0
36 SN 2018cof SN* 14 59 54.390 +39 04 43.78           SNIa 8 0
37 SN 2018fpe SN* 15 01 03.650 +44 09 23.54           SNIa 6 0
38 SN 2018cny SN* 15 04 16.600 +35 48 54.11           SNIa 12 0
39 SN 2018epj SN* 15 04 23.610 +61 37 17.21           SNIa 7 0
40 SN 2018emv SN* 15 05 30.440 +30 54 36.92           SNIa 8 0
41 SN 2018lpk SN* 15 07 39.7425 +38 27 45.471           SNIa 4 0
42 SN 2018dsx SN* 15 07 52.1525 +38 02 54.415           SNIa 4 0
43 SN 2018eqg SN* 15 08 14.570 +34 52 05.20           SNIa 7 0
44 SN 2018lpj SN* 15 10 31.9362 +45 13 38.190           SNIa 4 0
45 SN 2018dbc SN* 15 21 24.310 +69 36 22.63           SNIa 7 0
46 SN 2018bhr SN* 15 27 46.8027 +34 56 53.583           SNIa 4 0
47 SN 2018cnz SN* 15 30 18.280 +57 39 30.59           SNIa 7 0
48 SN 2018dvb SN* 15 33 56.920 +31 10 11.42           SNIa 9 0
49 SN 2018err SN* 15 36 53.100 +66 03 29.11           SNIa 7 0
50 SN 2018fqe SN* 15 38 03.0037 +51 21 37.345           SNIa 10 0
51 SN 2018eml SN* 15 46 07.1059 +29 44 00.552           SNIa 10 0
52 SN 2009dc SN* 15 51 12.12 +25 42 28.0           SNIa-norm 188 1
53 SN 2018cvq SN* 15 52 54.430 +50 37 10.10           SNIa 8 0
54 SN 2018lpb SN* 15 54 19.1955 +39 27 14.240           SNIa 6 0
55 SN 2018cvw SN* 15 57 02.310 +37 25 01.84           SNIa 10 0
56 SN 2018lpi SN* 16 03 44.4186 +54 18 14.545           SNIa 4 0
57 SN 2018lpe SN* 16 06 57.5530 +59 00 54.846           SNIa 4 0
58 SN 2018ers SN* 16 09 52.840 +65 56 18.48           SNIa 7 0
59 SN 2018lpx SN* 16 10 42.4252 +42 35 38.555           SNIa 4 0
60 SN 2018cri SN* 16 11 21.460 +36 59 39.41           SNIa 9 0
61 SN 2018btg SN* 16 17 04.9712 +50 47 32.852           SNIa 5 0
62 SN 2018gfe SN* 16 17 48.370 +41 28 10.37           SNIa 9 0
63 SN 2018geo SN* 16 18 13.840 +39 07 25.74           SNIa 8 0
64 SN 2018coi SN* 16 18 57.98 +56 43 00.8           SNIa 11 0
65 SDSS J161938.91+491104.7 G 16 19 38.90963 +49 11 04.5964           ~ 3 0
66 SN 2018crl SN* 16 19 38.9643 +49 11 06.640           SNIa 11 0
67 SN 2018eps SN* 16 20 43.180 +65 38 20.96           SNIa 8 0
68 SN 2018eqa SN* 16 23 29.2063 +28 49 58.931           SNIa 4 0
69 SN 2018ccl SN* 16 28 11.124 +39 49 12.47           SNIa 12 0
70 SN 2018dyq SN* 16 31 11.000 +60 35 51.84           SNIa 8 0
71 SN 2018bhs SN* 16 34 15.76 +26 53 22.4           SNIa 5 0
72 SN 2018ert SN* 16 35 22.540 +22 28 06.23           SNIa 7 0
73 SN 2018lpg SN* 16 35 26.4298 +62 32 03.736           SNIa 4 0
74 SN 2018gvb SN* 16 38 34.4118 +31 52 23.277           SNIa 6 0
75 SN 2018lph SN* 16 43 36.5442 +33 32 01.018           SNIa 6 0
76 SN 2018dyp SN* 16 45 10.110 +42 43 04.37           SNIa 7 0
77 SN 2018bvd SN* 16 45 24.8018 +35 57 21.670           SNIa 4 0
78 SN 2018fjv SN* 16 45 29.830 +65 14 20.60           SNIa 10 0
79 SN 2018bsu SN* 16 45 32.2098 +59 55 07.022           SNIa 5 0
80 SN 2018ecq SN* 16 45 42.760 +37 53 25.54           SNIa 7 0
81 SN 2018bhc SN* 16 46 25.29 +25 25 17.2           SNIa 7 0
82 SN 2018fnd SN* 16 47 54.590 +42 58 07.61           SNIa 10 0
83 SN 2018cfa SN* 16 49 39.120 +45 29 32.64           SNIa 11 0
84 SN 2018coe SN* 16 51 37.360 +61 32 43.34           SNIa 9 0
85 SN 2018dbd SN* 16 52 47.350 +51 33 48.34           SNIa 9 0
86 SN 2018cnw SN* 16 59 05.07 +47 14 11.1           SNIa 19 0
87 SN 2018crr SN* 16 59 37.230 +59 04 23.73           SNIa 7 0
88 SN 2018dzr SN* 17 02 22.570 +57 45 05.15           SNIa 8 0
89 SN 2018lpy SN* 17 03 29.7363 +41 38 42.798           SNIa 4 0
90 SN 2018emi SN* 17 06 36.330 +24 32 43.15           SNIa 10 0
91 SN 2018ean SN* 17 12 30.9353 +26 01 07.035           SNIa 4 0
92 SN 2018fse SN* 17 14 14.510 +36 27 32.30           SNIa 7 0
93 SN 2018cxk SN* 17 14 22.207 +48 15 51.76           SNIa 9 0
94 SN 2018crs SN* 17 20 24.40 +55 12 52.7           SNIa 7 0
95 SN 2018coh SN* 17 20 38.660 +52 02 30.97           SNIa 6 0
96 SN 2018lpl SN* 17 23 15.3339 +77 50 41.541           SNIa 4 0
97 SN 2018frx SN* 17 23 49.830 +46 18 05.72           SNIa 9 0
98 SN 2018cto SN* 17 24 32.040 +70 22 20.81           SNIa 9 0
99 SN 2018big SN* 17 25 39.153 +59 26 48.40           SN.Ia 15 0
100 AT 2018lpm SN* 17 26 51.420 +34 14 47.61           SNIa 4 0
101 SN 2018lpq SN* 17 31 12.2706 +79 03 15.317           SNIa 5 0
102 SN 2018dsw SN* 17 35 14.170 +54 14 48.55           SNIa 7 0
103 SN 2018ftt SN* 17 36 27.050 +22 29 25.96           SNIa 9 0
104 SN 2018dds SN* 17 44 18.150 +68 01 44.66           SNIa 7 0
105 SN 2018cxl SN* 17 44 24.630 +55 10 31.56           SNIa 9 0
106 SN 2018efb SN* 17 44 44.310 +38 09 50.54           SNIa 7 0
107 SN 2018crk SN* 17 45 53.400 +31 42 38.02           SNIa 7 0
108 SN 2018gqa SN* 17 51 11.310 +53 18 52.09           SNIa 6 0
109 SN 2018dje SN* 17 52 50.550 +21 22 57.60           SNIa 8 0
110 SN 2018gvj SN* 17 53 34.9331 +43 12 58.004           SNIa 8 0
111 SN 2018ccj SN* 17 55 00.0562 +42 53 54.011           SNIa 6 0
112 SN 2018crj SN* 17 58 02.750 +69 04 22.13           SNIa 7 0
113 SN 2018gre SN* 18 03 27.500 +60 40 38.64           SNIa 7 0
114 SN 2018cae SN* 18 04 39.6347 +41 32 58.146           SNIa 5 0
115 SN 2006gz SN* 18 10 26.33 +30 59 44.4   16.6       SNIa 156 1
116 SN 2018deq SN* 18 11 57.330 +30 02 43.50           SNIa 7 0
117 SN 2018fdz SN* 18 15 18.540 +29 54 38.69           SNIa 9 0
118 SN 2018fnc SN* 18 16 07.460 +70 01 04.60           SNIa 8 0
119 SN 2018eay SN* 18 16 13.10 +55 35 27.2           SNIa-91T-like 11 0
120 SN 2018ead SN* 18 17 21.460 +54 32 14.89           SNIa 9 0
121 SN 2018eni SN* 18 19 11.7751 +54 05 19.289           SNIa 10 0
122 SN 2018btk SN* 18 24 25.9060 +44 07 49.431           SNIa 9 0
123 SN 2018ctm SN* 18 26 14.180 +45 00 36.69           SNIa 10 0
124 SN 2018ggw SN* 18 28 15.300 +46 21 12.27           SNIa 9 0
125 SN 2018eul SN* 18 30 42.7549 +54 38 04.119           SNIa 5 0
126 SN 2018ffg SN* 18 31 22.3841 +63 44 29.436           SNIa 5 0
127 SN 2018fne SN* 18 31 33.450 +49 48 57.94           SNIa 9 0
128 SN 2018cvb SN* 18 34 14.6089 +32 55 09.581           SNIa 5 0
129 SN 2018ggq SN* 18 37 17.160 +49 08 54.31           SNIa 6 0
130 SN 2018eaz SN* 18 42 55.210 +50 39 33.60           SNIa 7 0
131 SN 2018lpo SN* 18 43 20.4155 +58 48 19.702           SNIa 4 0
132 SN 2018lpr SN* 18 43 25.6125 +72 07 25.949           SNIa 5 0
133 SN 2018lqa SN* 18 45 56.8137 +36 24 09.704           SNIa 5 0
134 SN 2018cuw SN* 18 46 14.380 +35 58 07.27           SNIa 12 0
135 SN 2018crn SN* 18 55 21.84 +56 35 18.1           SNIa 12 0
136 SN 2018eag SN* 18 57 16.317 +46 29 56.75           SNIa 8 0
137 SN 2018ezy SN* 18 58 52.520 +69 00 48.58           SNIa 6 0
138 SN 2018dhw SN* 18 59 57.520 +72 16 02.15           SNIa 11 0
139 SN 2018lpn SN* 19 06 52.2220 +34 20 54.176           SNIa 4 0
140 SN 2018gwb SN* 19 35 23.0617 +64 45 30.284           SNIa 6 0
141 SN 2018lpz SN* 21 26 06.3628 +24 02 44.898           SNIa 5 0
142 SN 2009gz SN* 22 25 07.38 +17 35 02.6           SNIIP 4 1
143 SN 2018dvf SN* 23 14 05.430 +29 38 00.03           SNIa 8 0

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