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HH 47

HH 47

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    08h 25m 44.8s
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    -51° 3' 27.0"
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Vela
  • Distance
    DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
    1,470 light-years (450 parsecs)

About the Data

  • Data Description
    Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
    The observations of HH 47 are taken from HST proposals: 5114 J. Westphal (Caltech), 5504 and 6794: B. Reipurth (University of Hawaii), and 11179: P. Haritgan (Rice University).
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>WFPC2
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F656N (H-alpha) and F673N ([S II])
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    HH 47
  • Object Description
    Object DescriptionThe type of astronomical object.
    Herbig-Haro Object
  • Release Date
    August 31, 2011
  • Science Release
    Hubble Movies Provide Unprecedented View of Supersonic Jets from Young Stars
    Read the release
  • Credits
    NASA, ESA, and P. Hartigan (Rice University)

Downloads

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HH 47
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

This image is a composite of separate exposures acquired by the WFPC2 instrument on HST. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Cyan: F656N (H-alpha) Orange: F673N ([S II])

Related Images & Videos

Signatures of Star Birth

Signatures of Star Birth

The glowing, clumpy streams of material shown in these NASA Hubble Space Telescope images are the signposts of star birth. Ejected episodically by young stars like salvos from a cannon, the blobby material zips along at more than 440,000 miles (770,000 kilometers) an hour....

HH 34

HH 34

HH 2

HH 2

Close-up Views of a Stellar Jet

Close-up Views of a Stellar Jet

These images taken by NASA's Hubble Space Telescope show how a bright, clumpy jet ejected from a young star has changed over time. The jet, called Herbig-Haro 34 (or HH 34), is a signpost of star birth. Several bright regions in the lumpy gas signify where material is slamming...

HH 34 Jet 1994

HH 34 Jet 1994

HH 34 Jet 1998

HH 34 Jet 1998

HH 34 Jet 2007

HH 34 Jet 2007

Herbig-Haro Objects in the Orion Complex

Herbig-Haro Objects in the Orion Complex

This image from the Kitt Peak National Observatory (KPNO) 4-meter telescope shows a roughly one-half-degree-square region of the sky in the constellation Orion (about the same size as the diameter of the full Moon). This is a small part of the the Orion Molecular Cloud Complex,...

Compass and Scale Image of Stellar Jets

Compass and Scale Image of Stellar Jets

New Details Emerge About the Birth of Young Stars – Narrated

New Details Emerge About the Birth of Young Stars – Narrated

New details about how the birth of young stars occurs are discovered by astronomers using a trio of tools. Hubble images taken over a span of 14 years are used to create a movie of the event. Laser experiments recreating the energy coming from a star hitting material shows how...

Time-lapse of HH 47 Jet (Annotated)

Time-Lapse of HH 47 Jet (Annotated)

A long jet of material has burst out of a dark cloud of gas and dust that hides a newly formed star. The blue, fan-shaped region on the left is the edge of a cavity illuminated by the fledgling star. A massive clump of jet material collides with upstream gas, creating the white...

Time-lapse of HH 47 Jet

Time-Lapse of HH 47 Jet

A long jet of material has burst out of a dark cloud of gas and dust that hides a newly formed star. The blue, fan-shaped region on the left is the edge of a cavity illuminated by the fledgling star. A massive clump of jet material collides with upstream gas, creating the white...

Time-lapse of HH 47 Bow Shock (Annotated)

Time-Lapse of HH 47 Bow Shock (Annotated)

The Hubble Space Telescope images the HH 47 bow shock in 1994, 2002, and 2008.

Time-lapse of HH 47 Bow Shock

Time-Lapse of HH 47 Bow Shock

The Hubble Space Telescope images the HH 47 bow shock in 1994, 2002, and 2008.

HH 34 Jet (Annotated)

HH 34 Jet (Annotated)

Over the span of 14 years, the Hubble Space Telescope looks at a bright, clumpy jet ejected from a young star. Several bright regions in the clumps signify where material is slamming into each other, heating up, and glowing.

HH 34 Jet

HH 34 Jet

Over the span of 14 years, the Hubble Space Telescope looks at a bright, clumpy jet ejected from a young star. Several bright regions in the clumps signify where material is slamming into each other, heating up, and glowing.

HH 34 Bow Shock (Annotated)

HH 34 Bow Shock (Annotated)

A grouping of merged bow shocks reveals regions that brighten and fade over time as the heated material cools where the shocks intersect.

HH 34 Bow Shock

HH 34 Bow Shock

A grouping of merged bow shocks reveals regions that brighten and fade over time as the heated material cools where the shocks intersect.

Time-lapse HH 2 Jets (Annotated)

Time-Lapse HH 2 Jets (Annotated)

With images taken by Hubble in 1994, 1997, and 2007, this movie shows how the clumpy gas in the jets is moving at different speeds. When fast-moving blobs "rear-end" slower gas, bow shocks arise as the material heats up.

Time-lapse of HH 2 Jets

Time-Lapse of HH 2 Jets

With images taken by Hubble in 1994, 1997, and 2007, this movie shows how the clumpy gas in the jets is moving at different speeds. When fast-moving blobs "rear-end" slower gas, bow shocks arise as the material heats up.

Time-lapse of HH 1 Bow Shocks (Annotated)

Time-Lapse of HH 1 Bow Shocks (Annotated)

In this movie composed of Hubble images, the bow shocks are at the top of the jet as it grazes the edge of a dense gas cloud. New glowing knots of material also appear. These knots may represent gas from the cloud being swept up by the jet.

Time-lapse of HH 1 Bow Shocks

Time-Lapse of HH 1 Bow Shocks

In this movie composed of Hubble images, the bow shocks are at the top of the jet as it grazes the edge of a dense gas cloud. New glowing knots of material also appear. These knots may represent gas from the cloud being swept up by the jet.

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Details

Last Updated
Feb 17, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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