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Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant
- W. Freedman, B. Madore, +13 authors P. Stetson
- Physics
- 18 December 2000
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised…
The Hubble Space Telescope Extragalactic Distance Scale Key Project. 1: The discovery of Cepheids and a new distance to M81
- W. Freedman, S. Hughes, +12 authors G. Illingworth
- Physics
- 1 June 1994
We report on the discovery of 30 new Cepheids in the nearby galaxy M81 based on observations using the Hubble Space Telescope (HST). The periods of these Cepheids lie in the range of 10-55 days,…
The HST Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant
- J. Mould, J. Huchra, +14 authors P. Stetson
- Physics
- 15 September 1999
Since the launch of the Hubble Space Telescope nine years ago, Cepheid distances to 25 galaxies have been determined for the purpose of calibrating secondary distance indicators. A variety of these…
Spitzer Survey of the Large Magellanic Cloud: Surveying the Agents of a Galaxy's Evolution (SAGE). I. Overview and Initial Results
- M. Meixner, K. Gordon, +46 authors D. Zaritsky
- Physics
- 14 June 2006
We are performing a uniform and unbiased imaging survey of the Large Magellanic Cloud (LMC; ~7° × 7°) using the IRAC (3.6, 4.5, 5.8, and 8 μm) and MIPS (24, 70, and 160 μm) instruments on board the…
THE PERFORMANCE AND CALIBRATION OF WFPC2 ON THE HUBBLE SPACE TELESCOPE
- J. Holtzman, J. Hester, +15 authors J. Westphal
- Physics
- 1 February 1995
The WFPC2 was installed in the Hubble Space Telescope (HST) in 1993 December. Since
then, the instrument has been providing high-quality images. A significant amount of calibration data has
been…
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXIV. The Calibration of Tully-Fisher Relations and the Value of the Hubble Constant
- S. Sakai, J. Mould, +15 authors P. Stetson
- Physics
- 15 September 1999
This paper presents the calibration of BVRIH-0.5 Tully-Fisher relations based on Cepheid distances to 21 galaxies within 25 Mpc and 23 clusters within 10,000 km s-1. These relations have been applied…
The HI Parkes All Sky Survey: southern observations, calibration and robust imaging
- D. Barnes, L. Staveley-Smith, +36 authors T. Ye
- Physics
- 11 April 2001
The acquisition of HI Parkes All Shy Survey (HIPASS) southern sky data commenced at the Australia Telescope National Facility's Parkes 64-m telescope in 1997 February, and was completed in 2000…
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIII. The Metallicity Dependence of the Cepheid Distance Scale
- R. Kennicutt, P. Stetson, +22 authors P. Wood
- Physics
- 3 December 1997
Uncertainty in the metal-abundance dependence of the Cepheid variable period-luminosity (PL) relation remains one of the outstanding sources of systematic error in the extragalactic distance scale…
The Discovery of Cepheids and a Distance to NGC 5128
- L. Ferrarese, J. Mould, P. Stetson, J. Tonry, J. Blakeslee, E. Ajhar
- Physics
- 29 May 2006
We discuss a new distance to NGC 5128 (Centaurus A) based on Cepheid variables observed with the Hubble Space Telescope. Twelve F555W (V) and six F814W (I) epochs of cosmic-ray-split WFPC2…
Hubble Space Telescope Observations of the Disk and Jet of HH 30
- C. Burrows, K. Stapelfeldt, +13 authors J. Westphal
- Physics
- 10 December 1996
HH 30 in Taurus has been imaged with the Hubble Space Telescope WFPC2. The images show in reflected light a flared disk with a radius of about 250 AU that obscures the protostar. The disk resembles…
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