Improved cosmological constraints from SNe Virtual Observatory Resource

Authors

1. Kowalski M.
2. Rubin D.
3. Aldering G.
4. Agostinho R.J.
5. Amadon A.,Amanullah R.
6. Balland C.
7. Barbary K.
8. Blanc G.
9. Challis P.J.
10. Conley A.,Connolly N.V.
11. Covarrubias R.
12. Dawson K.S.
13. Deustua S.E.
14. Ellis R.,Fabbro S.
15. Fadeyev V.
16. Fan X.
17. Farris B.
18. Folatelli G.
19. Frye B.L.,Garavini G.
20. Gates E.L.
21. Germany L.
22. Goldhaber G.
23. Goldman B.
24. Goobar A.,Groom D.E.
25. Haissinski J.
26. Hardin D.
27. Hook I.
28. Kent S.
29. Kim A.G.,Knop R.A.
30. Lidman C.
31. Linder E.V.
32. Mendez J.
33. Meyers J.
34. Miller G.J.,Moniez M.
35. Mourao A.M.
36. Newberg H.
37. Nobili S.
38. Nugent P.E.
39. Pain R.,Perdereau O.
40. Perlmutter S.
41. Phillips M.M.
42. Prasad V.
43. Quimby R.,Regnault N.
44. Rich J.
45. Rubenstein E.P.
46. Ruiz-Lapuente P.
47. Santos F.D.,Schaefer B.E.
48. Schommer R.A.
49. Smith R.C.
50. Soderberg A.M.
51. Spadafora A.L.,Strolger L.-G.
52. Strovink M.
53. Suntzeff N.B.
54. Suzuki N.
55. Thomas R.C.,Walton N.A.
56. Wang L.
57. Wood-Vasey W.M.
58. Yun J.L.,(the Supernova Cosmology Project)

Published by

CDS

Abstract

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This "Union" compilation of 414 SNe Ia, which reduces to 307 SNe after selection cuts, includes the recent large samples of SNe Ia from the Supernova Legacy Survey and ESSENCE Survey, the older data sets, as well as the recently extended data set of distant supernovae observed with the Hubble Space Telescope (HST). A single, consistent, and blind analysis procedure is used for all the various SN Ia subsamples, and a new procedure is implemented that consistently weights the heterogeneous data sets and rejects outliers. We present the latest results from this Union compilation and discuss the cosmological constraints from this new compilation and its combination with other cosmological measurements (CMB and BAO).

Keywords

1. supernovae
2. redshifted
3. infrared-photometry
4. visible-astronomy
5. Wide-band photometry

Bibliographic source Bibcode

2008ApJ...686..749K

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ivo://CDS.VizieR/J/ApJ/686/749

Document Object Identifer DOI

doi:10.26093/cds/vizier.16860749

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