2005A&A...437..789N


Query : 2005A&A...437..789N

2005A&A...437..789N - Astronomy and Astrophysics, volume 437, 789-804 (2005/7-3)

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z∼0.5.

NOBILI S., AMANULLAH R., GARAVINI G., GOOBAR A., LIDMAN C., STANISHEV V., ALDERING G., ANTILOGUS P., ASTIER P., BURNS M.S., CONLEY A., DEUSTUA S.E., ELLIS R., FABBRO S., FADEYEV V., FOLATELLI G., GIBBONS R., GOLDHABER G., GROOM D.E., HOOK I., HOWELL D.A., KIM A.G., KNOP R.A., NUGENT P.E., PAIN R., PERLMUTTER S., QUIMBY R., RAUX J., REGNAULT N., RUIZ-LAPUENTE P., SAINTON G., SCHAHMANECHE K., SMITH E., SPADAFORA A.L., THOMAS R.C., WANG L. (The Supernova Cosmology Project)

Abstract (from CDS):

We present a novel technique for fitting restframe I-band light curves on a data set of 42 type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the subset at 0.01<z<0.1. Adding two SNe at z∼0.5 yields results consistent with a flat Λ-dominated ``concordance universe'' (ΩM, ΩΛ)=(0.25, 0.75). For one of these, SN 2000fr, new near infrared data are presented. The high redshift supernova NIR data are also used to test for systematic effects in the use of SNe Ia as distance estimators. A flat, Λ=0, universe where the faintness of supernovae at z∼0.5 is due to grey dust homogeneously distributed in the intergalactic medium is disfavoured based on the high-z Hubble diagram using this small data-set. However, the uncertainties are large and no firm conclusion may be drawn. We explore the possibility of setting limits on intergalactic dust based on B-I and B-V colour measurements, and conclude that about 20 well measured SNe are needed to give statistically significant results. We also show that the high redshift restframe I-band data points are better fit by light curve templates that show a prominent second peak, suggesting that they are not intrinsically underluminous.

Abstract Copyright:

Journal keyword(s): cosmology: observations - stars: supernovae: general

VizieR on-line data: <Available at CDS (J/A+A/437/789): table2.dat>

Simbad objects: 48

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Number of rows : 48
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 SN 1996bl SN* 00 36 17.97 +11 23 40.5   17.05 16.63     SNIa 54 1
2 SN 2000dk SN* 01 07 23.52 +32 24 23.2   15.63 15.2     SNIa 86 1
3 SN 1992bo SN* 01 21 58.44 -34 12 43.5   15.85 15.76     SNIa 110 1
4 SN 1998es SN* 01 37 17.60 +05 52 50.6   13.99       SNIapec 107 1
5 SN 1996bo SN* 01 48 22.86 +11 31 15.1   16.17       SNIa 68 1
6 SN 1999gp SN* 02 31 39.15 +39 22 52.3   16.04       SNIa 85 1
7 SN 1999ff SN* 02 33 54.39 +00 32 55.6     23.1     SNIa 15 1
8 SN 1999dq SN* 02 33 59.68 +20 58 30.4   14.68       SNIapec 96 1
9 SN 1992bc SN* 03 05 16.05 -39 33 34.6   15.15 15.17     SNIa 123 1
10 SN 1992bp SN* 03 36 37.95 -18 21 13.7   18.53 18.37     SNIa 63 1
11 SN 1995bd SN* 04 45 21.24 +11 04 02.5   17.29       SNIapec 62 1
12 SN 1992bh SN* 04 59 27.55 -58 49 44.2   17.68 17.55     SNIa 61 1
13 SN 1997E SN* 06 47 38.10 +74 29 51.0   15.59       SNIa 45 1
14 SN 2000fa SN* 07 15 29.88 +23 25 42.4   15.85       SNIa 69 1
15 SN 1992bg SN* 07 41 56.55 -62 31 10.0   17.39 16.66     SNIa 52 2
16 SN 1995E SN* 07 51 56.75 +73 00 34.6   16.81 15.9     SNIa 110 1
17 SN 1999Q SN* 08 00 45.31 +05 31 27.4         22.3 SNIa 16 1
18 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 234 1
19 SN 1995D SN* 09 40 54.753 +05 08 26.16   13.42 13.22     SNIa 142 1
20 SN 1995al SN* 09 50 55.97 +33 33 09.4   13.36 13.22     SNIa 92 1
21 SN 1993ag SN* 10 03 35.00 -35 27 47.6   18.30 17.78     SNIa 65 1
22 SN 1997bq SN* 10 17 05.33 +73 23 02.1   14.57       SNIa 59 1
23 SN 1994ae SN* 10 47 01.94 +17 16 30.8   13.20 12.99     SNIa 159 1
24 SN 1999aw SN* 11 01 36.37 -06 06 31.6   16.88       SNIa 68 1
25 SN 1989B SN* 11 20 13.93 +13 00 18.9   12.25       SNIa 346 1
26 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 543 1
27 SN 1994M SN* 12 31 08.61 +00 36 19.6   16.31 16.24     SNIa 85 1
28 SN 1999cl SN* 12 31 56.01 +14 25 35.3   14.92       SNIa 109 1
29 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 526 1
30 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 717 1
31 SN 1997bp SN* 12 46 53.75 -11 38 33.2   14.15 13.79     SNIapec 79 1
32 SN 1998ab SN* 12 48 47.24 +41 55 28.3   15.94       SNIapec 61 1
33 SN 1996ai SN* 13 10 58.13 +37 03 35.4   16.94 15.0     SNIa 52 1
34 SN 1996X SN* 13 18 01.13 -26 50 45.3   12.99 13.00     SNIa 182 1
35 SN 1997br SN* 13 20 42.40 -22 02 12.3   14.06       SNIapec 100 1
36 SN 1994T SN* 13 21 30.73 -02 08 56.5   17.31 17.15     SNIa 47 1
37 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 388 1
38 SN 1993O SN* 13 31 07.87 -33 12 50.5   17.79 17.96     SNIa 66 1
39 SN 1996C SN* 13 50 48.60 +49 19 07.1   16.53 16.48     SNIa 67 1
40 SN 1993H SN* 13 52 50.34 -30 42 23.3   16.99       SNIa 84 1
41 SN 2000fr SN* 14 01 57.75 +04 43 42.4       24.5   SNIa 17 1
42 SN 1997cn SN* 14 09 57.76 +17 32 32.3   17.2 16.7     SNIapec 74 1
43 SN 1999ac SN* 16 07 15.01 +07 58 20.4   14.34       SNIap 125 1
44 SN 2000cn SN* 17 57 40.42 +27 49 58.1   16.82       SNIa 61 1
45 SN 1998V SN* 18 22 37.40 +15 42 08.4   15.07       SNIa 60 1
46 SN 1992al SN* 20 45 56.49 -51 23 39.9   14.59 14.54     SNIa 80 2
47 SN 1998dh SN* 23 14 40.31 +04 32 14.1   13.85       SNIa 73 1
48 SN 1997dg SN* 23 40 14.21 +26 12 11.8   17.20       SNIa 40 2

    Equat.    Gal    SGal    Ecl

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2021.07.29-18:08:16

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