24 results on '"Bassett, Bruce"'
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2. COSMOLOGY WITH PHOTOMETRICALLY CLASSIFIED TYPE Ia SUPERNOVAE FROM THE SDSS-II SUPERNOVA SURVEY
3. THE SDSS-II SUPERNOVA SURVEY: PARAMETERIZING THE TYPE Ia SUPERNOVA RATE AS A FUNCTION OF HOST GALAXY PROPERTIES
4. PHOTOMETRIC SUPERNOVA COSMOLOGY WITH BEAMS AND SDSS-II
5. ERRATUM: “IMPROVED CONSTRAINTS ON TYPE Ia SUPERNOVA HOST GALAXY PROPERTIES USING MULTI-WAVELENGTH PHOTOMETRY AND THEIR CORRELATIONS WITH SUPERNOVA PROPERTIES” (2011, ApJ, 740, 92)
6. THE EFFECT OF PECULIAR VELOCITIES ON SUPERNOVA COSMOLOGY
7. IMPROVED CONSTRAINTS ON TYPE Ia SUPERNOVA HOST GALAXY PROPERTIES USING MULTI-WAVELENGTH PHOTOMETRY AND THEIR CORRELATIONS WITH SUPERNOVA PROPERTIES
8. PHOTOMETRIC TYPE Ia SUPERNOVA CANDIDATES FROM THE THREE-YEAR SDSS-II SN SURVEY DATA
9. THE EFFECT OF HOST GALAXIES ON TYPE Ia SUPERNOVAE IN THE SDSS-II SUPERNOVA SURVEY
10. THE SUBLUMINOUS SUPERNOVA 2007qd: A MISSING LINK IN A FAMILY OF LOW-LUMINOSITY TYPE Ia SUPERNOVAE
11. PHOTOMETRIC ESTIMATES OF REDSHIFTS AND DISTANCE MODULI FOR TYPE Ia SUPERNOVAE
12. A MEASUREMENT OF THE RATE OF TYPE Ia SUPERNOVAE IN GALAXY CLUSTERS FROM THE SDSS-II SUPERNOVA SURVEY
13. MEASUREMENTS OF THE RATE OF TYPE Ia SUPERNOVAE AT REDSHIFT ≲0.3 FROM THE SLOAN DIGITAL SKY SURVEY II SUPERNOVA SURVEY
14. THE RISE AND FALL OF TYPE Ia SUPERNOVA LIGHT CURVES IN THE SDSS-II SUPERNOVA SURVEY
15. TYPE II-P SUPERNOVAE FROM THE SDSS-II SUPERNOVA SURVEY AND THE STANDARDIZED CANDLE METHOD
16. THE CARNEGIE SUPERNOVA PROJECT: FIRST NEAR-INFRARED HUBBLE DIAGRAM TOz∼ 0.7
17. A Measurement of the Rate of Type Ia Supernovae at Redshiftz≈ 0.1 from the First Season of the SDSS‐II Supernova Survey
18. Designer Cosmology
19. The Essence of Quintessence and the Cost of Compression
20. Cosmic Acceleration versus Axion‐Photon Mixing
21. MEASUREMENTS OF THE RATE OF TYPE Ia SUPERNOVAE AT REDSHIFT 0.3 FROM THE SLOAN DIGITAL SKY SURVEY II SUPERNOVA SURVEY
22. TYPE II-P SUPERNOVAE FROM THE SDSS-II SUPERNOVA SURVEY AND THE STANDARDIZED CANDLE METHOD
23. THE CARNEGIE SUPERNOVA PROJECT: FIRST NEAR-INFRARED HUBBLE DIAGRAM TO z 0.7
24. A Measurement of the Rate of Type Ia Supernovae at Redshift z 0.1 from the First Season of the SDSS-II Supernova Survey
- Abstract
We present a measurement of the rate of Type Ia supernovae (SNe Ia) from the first of three seasons of data from the SDSS-II Supernova Survey. For this measurement, we include 17 SNe Ia at redshift
!["z\leq]("eq-00001.gif")
z [?] 0.12. Assuming a flat cosmology with !["\Omega]("eq-00002.gif")
Om = 0.3 = 1 [?] OL, we find a volumetric SN Ia rate of !["[]("eq-00003.gif")
[ 2.93+ 0.17[?]0.04(systematic)+ 0.90[?]0.71(statistical) ] x 10[?]5 SNe Mpc [?]3 h370 yr [?]1, at a volume-weighted mean redshift of 0.09. This result is consistent with previous measurements of the SN Ia rate in a similar redshift range. The systematic errors are well controlled, resulting in the most precise measurement of the SN Ia rate in this redshift range. We use a maximum likelihood method to fit SN rate models to the SDSS-II Supernova Survey data in combination with other rate measurements, thereby constraining models for the redshift evolution of the SN Ia rate. Fitting the combined data to a simple power-law evolution of the volumetric SN Ia rate, !["r_{V}\propto]("eq-00004.gif")
rV [?] (1 + z)b, we obtain a value of !["\beta]("eq-00005.gif")
b = 1.5 +- 0.6, i.e., the SN Ia rate is determined to be an increasing function of redshift at the ~2.5 s level. Fitting the results to a model in which the volumetric SN rate is rV = Ar(t) + Br(t) !["r_{V}=A\rho]("eq-00006.gif")
$rV = Aρ (t) + B˙{ρ }(t) $ , where!["\rho]("eq-00007.gif")
r (t) is the stellar mass density and r(t) !["\dot{\rho]("eq-00008.gif")
$˙{ρ }(t) $ is the star formation rate, we find!["A=(2.8\pm]("eq-00009.gif")
A = (2.8 +- 1.2) x 10[?]14 SNe M[?]1 yr [?]1, !["B=(9.3^{+3.4}_{-3.1})]("eq-00010.gif")
B = (9.3+ 3.4[?]3.1) x 10[?]4 SNe M[?]1.
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