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Quick Facts
| About the Object |
Object Name:
Messier 51
Object Type:
Galaxy Pair
Position (J2000):
RA:
13h29m55.7s
Dec:
+47d13m53s
Distance:
37,000,000 light-years or 11 Mpc
Magnitude:
8.4
Constellation:
Canes Venatici
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| About the Data |
Spitzer Image
Image Credit:
R. Kennicutt (Steward Observatory, Univ. of Arizona)
Instrument:
IRAC
Wavelength:
3.6 (blue), 4.5 (blue-green), 5.6 (yellow), 8.0 (red) microns
Exposure Date:
May 18 and May 22, 2004
Exposure Time:
4 minutes
Image Scale:
9.9 x 13.7 arcmin
Orientation:
North is up
Release Date:
10/07/04
Optical Image
Image Credit:
R. Kennicutt (Steward Observatory, Univ. of Arizona)
Instrument:
KPNO 2.1m telescope, Cassagrain CCD camera
Wavelength:
B, V, R, and H-alpha
Exposure Date:
March 28-29, 2003
Exposure Time:
12 min (B, V), 6 min (R), 30 min (H-alpha)
Image Scale:
9.9 x 13.7 arcmin
Orientation:
North is up
Release Date:
11/05/04
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| Observers |
Robert Kennicutt, Principal Investigator (Steward Observatory, University of Arizona)
Lee Armus (Spitzer Science Center, Caltech)
George Bendo (Steward Observatory, University of Arizona)
Daniela Calzetti (Space Telescope Science Institute)
Daniel Dale (University of Wyoming)
Bruce Draine (Princeton University)
Charles Engelbracht (Steward Observatory, University of Arizona)
Karl Gordon (Steward Observatory, University of Arizona)
George Helou (Caltech)
David Hollenbach (NASA Ames Research Center)
Thomas Jarrett (Caltech)
Lisa Kewley (Harvard Center for Astrophysics)
Claus Leitherer (Space Telescope Science Institute)
Aigen Li (Steward Observatory, University of Arizona)
Sangeeta Malhotra (Space Telescope Science Institute)
Martin Meyer (Space Telescope Science Institute)
Eric Murphy (Yale University)
Michael Regan (Space Telescope Science Institute)
George Rieke (Steward Observatory, University of Arizona)
Marcia Rieke (Steward Observatory, University of Arizona)
Helene Roussel (Caltech)
John-David Smith (Steward Observatory, University of Arizona)
Michele D. Thornley (Bucknell University, Space Telescope Science Institute)
Fabian Walter (National Radio Astronomy Observatory)
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