2000A&A...362..419H

Query : 2000A&A...362..419H

2000A&A...362..419H - Astronomy and Astrophysics, volume 362419-425 (2000/10-2)

Type Ia supernova rate at z∼0.1.

HARDIN D., AFONSO C., ALARD C., ALBERT J.N., AMADON A., ANDERSEN J., ANSARI R., AUBOURG E., BAREYRE P., BAUER F., BEAULIEU J.P., BLANC G., BOUQUET A., CHAR S., CHARLOT X., COUCHOT F., COUTURES C., DERUE F., FERLET R., GLICENSTEIN J.F., GOLDMAN B., GOULD A., GRAFF D., GROS M., HAISSINSKI J., HAMILTON J.C., DE KAT J., KIM A., LASSERRE T., LESQUOY E., LOUP C., MAGNEVILLE C., MANSOUX B., MARQUETTE J.B., MAURICE E., MILSZTAJN A., MONIEZ M., PALANQUE-DELABROUILLE N., PERDEREAU O., PREVOT L., REGNAULT N., RICH J., SPIRO M., VIDAL-MADJAR A., VIGROUX L., ZYLBERAJCH S. (The EROS Collaboration)

Abstract (from CDS):

We present the EROS nearby supernova (z∼0.02-0.2) search and the analysis of the first year of data (1997). A total of 80 square degrees were surveyed. Eight supernovae were detected, four of which were spectroscopically identified as type Ia supernovae. The search efficiency was determined with a Monte-Carlo simulation taking into account the efficiencies for both supernova detection and host galaxy identification. Assuming that for a given galaxy the supernova rate is proportional to the galactic luminosity, we compute a type Ia supernova explosion rate of: R=0.44–0.21+0.35–0.07+0.13h2/1010L☉B/100yrs at an average redshift of ∼0.1 where the errors are respectively statistical and systematic (type misidentification included).

Abstract Copyright: ∼

Journal keyword(s): surveys - stars: statistics - stars: supernovae: general - cosmology: observations - cosmology: distance scale

Simbad objects: 8

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Number of rows : 8
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 1997dm SN* 00 30 12.83 -41 06 08.9     20.3     SNIIP: 4 1
2 SN 1997eb SN* 02 53 00.15 -03 36 38.1     21     SNII: 6 1
3 SN 1997ee SN* 03 07 24.9080928360 -03 10 25.943105064     20.5     SNIa 5 1
4 SN 1997ed SN* 03 46 56.52 +00 41 45.4     21     SNIa 6 1
5 SN 1997ec SN* 03 49 07.7 -01 44 25     21     SNIIP: 5 1
6 SN 1997dl SN* 23 43 38.48 -41 19 20.0     19.5     SNIa 5 1
7 SN 1997dk SN* 23 43 38.69 -41 19 25.4     18.7     SNIa 5 1
8 SN 1997dh SN* 23 45 17.17 -44 56 45.1     19     SNIc 6 1

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