2012ApJ...745...31B

Query : 2012ApJ...745...31B

2012ApJ...745...31B - Astrophys. J., 745, 31 (2012/January-3)

The Hubble Space Telescope Cluster Supernova Survey. VI. The volumetric type Ia supernova rate.

BARBARY K., ALDERING G., AMANULLAH R., BRODWIN M., CONNOLLY N., DAWSON K.S., DOI M., EISENHARDT P., FACCIOLI L., FADEYEV V., FAKHOURI H.K., FRUCHTER A.S., GILBANK D.G., GLADDERS M.D., GOLDHABER G., GOOBAR A., HATTORI T., HSIAO E., HUANG X., IHARA Y., KASHIKAWA N., KOESTER B., KONISHI K., KOWALSKI M., LIDMAN C., LUBIN L., MEYERS J., MOROKUMA T., ODA T., PANAGIA N., PERLMUTTER S., POSTMAN M., RIPOCHE P., ROSATI P., RUBIN D., SCHLEGEL D.J., SPADAFORA A.L., STANFORD S.A., STROVINK M., SUZUKI N., TAKANASHI N., TOKITA K., YASUDA N. (The Supernova Cosmology Project)

Abstract (from CDS):

We present a measurement of the volumetric Type Ia supernova (SN Ia) rate out to z ≃ 1.6 from the Hubble Space Telescope Cluster Supernova Survey. In observations spanning 189 orbits with the Advanced Camera for Surveys we discovered 29 SNe, of which approximately 20 are SNe Ia. Twelve of these SNe Ia are located in the foregrounds and backgrounds of the clusters targeted in the survey. Using these new data, we derive the volumetric SN Ia rate in four broad redshift bins, finding results consistent with previous measurements at z ≳ 1 and strengthening the case for an SN Ia rate that is ≳ 0.6 x10–4 h 370/yr/Mpc3 at z ∼ 1 and flattening out at higher redshift. We provide SN candidates and efficiency calculations in a form that makes it easy to rebin and combine these results with other measurements for increased statistics. Finally, we compare the assumptions about host-galaxy dust extinction used in different high-redshift rate measurements, finding that different assumptions may induce significant systematic differences between measurements.

Abstract Copyright: ∼

Journal keyword(s): cosmology: observations - supernovae: general - white dwarfs

VizieR on-line data: <Available at CDS (J/ApJ/745/31): table2.dat>

Simbad objects: 24

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Number of rows : 24
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 SCP 06N32 SN* 02 20 52.368 -03 34 13.32           ~ 4 0
2 SCP 05N10 SN* 02 20 52.878 -03 33 40.20           ~ 3 0
3 SCP 06N33 SN* 02 20 57.699 -03 33 23.97           SNIa 7 0
4 SCP 05D6 SN* 02 21 46.484 -03 22 56.18           SNIa 12 0
5 NAME GOODS Southern Field reg 03 32 28.0 -27 48 30           ~ 1623 1
6 SCP 05P9 SN* 03 37 44.512 -28 43 54.58           SNIa 5 0
7 SCP 05P1 SN* 03 37 50.352 -28 43 02.66           SNIa 6 0
8 SCP 06X26 SN* 09 10 37.889 +54 22 29.07           SNIa 6 1
9 SCP 06C0 SN* 12 29 25.654 +01 50 56.58           SNIa 14 0
10 SCP 06C7 SN* 12 29 36.517 +01 52 31.47           ~ 3 0
11 NAME GOODS-N Field reg 12 36 55.0 +62 14 15           ~ 1364 1
12 NAME Subaru Deep Field NGP reg 13 24 21.3 +27 29 23           ~ 330 1
13 SCP 06E12 SN* 14 15 08.141 +36 12 42.94           SNIa 6 0
14 SCP 06G4 SN* 14 29 18.743 +34 38 37.38           ~ 10 0
15 SCP 06G3 SN* 14 29 28.430 +34 37 23.13           SNIa 6 0
16 SCP 06F8 SN* 14 32 24.525 +33 33 50.75           ~ 4 0
17 [DAB2006b] J143227.42+333225.1 SN* 14 32 27.395 +33 32 24.83           SLSN-I 116 0
18 SCP 06L21 SN* 14 33 58.990 +33 25 04.21           ~ 3 0
19 SCP 06H3 SN* 14 34 28.879 +34 27 26.61           SNIa 5 0
20 SCP 06M50 SN* 16 04 25.300 +43 04 51.85           ~ 2 0
21 SCP 06B3 SN* 22 05 50.402 -01 59 13.34           ~ 4 0
22 SCP 06A4 SN* 22 16 01.077 -17 37 22.09           SNIa 7 0
23 SCP 06Z5 SN* 22 35 24.966 -25 57 09.61           SNIa 5 0
24 SCP 06U7 SN* 23 45 33.867 -36 32 43.48           ~ 3 0

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