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Keyhole. The Hubble Heritage Project Bridging Science and Aesthetics by Lisa Frattare and Keith Noll Hubble Heritage Team Space Telescope Science Institute. 1. Hubble Space Telescope (HST). Deployed April 25, 1990
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Keyhole The Hubble Heritage Project Bridging Science and Aesthetics byLisa Frattare andKeith NollHubble Heritage TeamSpace Telescope Science Institute 1
Hubble Space Telescope (HST) Deployed April 25, 1990 Designed to last 15 yrs Diameter of Mirror: 8 feet Focal Length: 189 feet (57.6 m) Length of Tube: 43.5 feet Speed: 17,500 mph (5 mps) Altitude: 380 miles (600 km) Full Earth Orbit: 97 minutes Earth Occultation every 45 minutes Processor Speed: 386/486 >>> >>> 2
Size of Hubble’s Orbit 600 km above surface Size of Earth 6400 km 100 km above surface Size of Earth’s Atmosphere 3
HST: World-Class Science Instrument Cycle 18 (2010-2011) showed the highest over-subscription rate (9:1) in the history of Hubble observations. 1051 proposals were submitted for 23,000 orbits Total Available Orbits: 2,600 Awarded: 1,700 orbits for Small Proposals (under 40 orbits) 300 orbits for Medium Proposals (40-99 orbits) 600 orbits for Large/Treasury Proposal (i.e. M31) ??? orbits for Director’s Discretionary ToO: Target of Opportunity (SNe, comets) Hubble Heritage Outreach Project (15 orbits) >>> 4
I V B Broad-band Image Compositing 5
I Red V Green B Blue Broad-band Image Compositing 6
I Red V Green B Blue Broad-band Image Compositing 7
[S II] Narrow-band Imaging H-alpha [O III] 8
(L) HST/ACS: H-alpha+[N II](RGB) CTIO: [S II], H-alpha, [O III] Single Filter (LRGB) 10
M51 11
Ground-based data to fill in corners M51 Hubble Data 12 Ground-based data to fill in corners
Dumbbell 2 • STScI-PRC99-01 14
Saturn 15
Horsehead 16
Composite 18
Some PI Science can be aesthetic, but not main driver 20
Some aesthetic images capture unexpected science Mars Dust Storm 22
“Time Lapse” Observations Saturn 24
Hubble Heritage Project NGC 4414 http://heritage.stsci.edu • Releasing an image a month since 1998 • Drive is aesthetics in addition to science • Small allotment of orbits yearly • Also augment archival data 27
Ring Nebula M57 • STScI-PRC99-01 28
Sombrero Galaxy M104 Globular Cluster Mapping of Sombrero 31
Mz 3 • STScI-PRC01-05 32
Introduction 41
HH 901 44
Keyhole 45