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Hubble Science Briefing. April 25, 2013 Zolt Levay ・ STScI. A Horsehead of a Different Color. Horsehead Nebula. Horsehead Nebula IR HST 23 rd anniversary Hubble Heritage observations Color composite image 3D visualization. Hubble Science Briefing 4/25/13. The Orion constellation.

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Hubble science brie ng

Hubble Science Briefing

April 25, 2013

Zolt Levay ・ STScI

A Horsehead of a

Different Color


Horsehead nebula
Horsehead Nebula

  • Horsehead Nebula IR

  • HST 23rd anniversary

  • Hubble Heritage observations

  • Color composite image

  • 3D visualization

Hubble Science Briefing 4/25/13


Orion in the sky

The Orion constellation

Orion in the sky

Hubble Science Briefing 4/25/13


Orion
Orion

The Orion constellation:a closer view


Orion molecular complex
Orion molecular complex

Flame Nebula complex + Horsehead Nebula

Digitized Sky Survey

Hubble Science Briefing 4/25/13

Photo: David Malin


Ground hst comparison

Ground-based visible-light

Hydrogen-α (HST’s WFPC2, 2001)

Ground/HST comparison

Adam Block

Hubble Science Briefing 4/25/13


Hst wfpc2 2001
HST/WFPC2 2001

HST’s WFPC2 (2001)

Hubble Science Briefing 4/25/13


Eso vista ir
ESO VISTA IR

Horsehead/Flame Nebula region (ground-based infrared)

Hubble Science Briefing 4/25/13

ESO VISTA


Hst observation footprints
HST observation footprints

HST: WFC3 (IR) + ACS/WFC + WFPC2 (2001)

Hubble Science Briefing 4/25/13


Hst wfc3 filters
HST WFC3 filters

Hubble Science Briefing 4/25/13


Wfc3 ir data
WFC3/IR data

9x18min. F110W J

9x23min. F160W H

Hubble Science Briefing 4/25/13


Ir mosaics
IR Mosaics

Hubble Science Briefing 4/25/13


Color applied to ir mosaics
Color applied to IR mosaics

The color images are a reconstruction or a visualization of the different energies that are inherent in the capture of the light in the images. The colors are not arbitrary.

Hubble Science Briefing 4/25/13


Color composite
Color composite

The initial color composite, “flat” in tone, includes some artifacts.

Hubble Science Briefing 4/25/13


Adjusted image
Adjusted image

Completed color composite

Hubble Science Briefing 4/25/13


Examples of image blemishes

Hubble Science Briefing 4/25/13


Annotated image
Annotated image

Hubble Science Briefing 4/25/13


Visible ir
Visible/IR

HST: visible light (2001)

HST: infrared light (2013)

Hubble Science Briefing 4/25/13


Background detail
Background detail

Distant background galaxies

Hubble Science Briefing 4/25/13


JWST

  • farther into IR than HST

  • better resolution than HST

  • launching in 2018

Hubble Science Briefing 4/25/13


3d visualization
3D Visualization

Hubble Science Briefing 4/25/13


3d visualization1
3D Visualization

Hubble Science Briefing 4/25/13


3d model
3D Model

Reassembling the separate elements, using 3D modeling software

Hubble Science Briefing 4/25/13


3D model with overlaid HST image

Hubble Science Briefing 4/25/13


Horsehead nebula1

Hubble Science Briefing

April 25, 2013 ■ Zolt Levay, STScI

Horsehead Nebula

  • Horsehead Nebula IR

  • HST 23rd anniversary

  • Hubble Heritage observations

  • Color composite image

  • 3D visualization

Hubble Science Briefing 4/25/13


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