A Possible Super Hubble Bubble Brent Tully, Institute for Astronomy, University of Hawaii.

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Presentation transcript:

A Possible Super Hubble Bubble Brent Tully, Institute for Astronomy, University of Hawaii

A Possible Super Hubble Bubble Brent Tully, Institute for Astronomy, University of Hawaii Oops! 2 sigma result - forget it

Cosmicflows- 2 Integration of distance measures from multiple sources, establishment of the SNIa scale and H 0 Extragalactic Distance Database Revised I-band Luminosity-Linewidth Correlation (Tully & Courtois, in press)

CF2: SNIa Calibration and H 0 combine 3 FP sources combine 2 TF and 3 FP with CF2 zero point Cepheid, SBF, TF, FP set SNIa scale with CF2 zero point

CF2: SNIa calibration and H 0 (continued) UNION2 SNIa sample shifted to CF2 zero point. Fit over interval 0.03 < z < 0.5 H 0 = km/s/Mpc Courtois & Tully, in press