Hubble image of variable star RS Puppis

This Hubble image shows RS Puppis, a type of variable star known as a Cepheid variable. As variable stars go, Cepheids have comparatively long periods — RS Puppis, for example, varies in brightness by almost a factor of five every 40 or so days.

RS Puppis is unusual; this variable star is shrouded by thick, dark clouds of dust enabling a phenomenon known as a light echo to be shown with stunning clarity.

These Hubble observations show the ethereal object embedded in its dusty environment, set against a dark sky filled with background galaxies.

Credit:

Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration
Acknowledgment: H. Bond (STScI and Penn State University)

About the Image

Id:heic1323a
Type:Observation
Release date:17 December 2013, 16:00
Related releases:heic1323
Related science announcements:sci15008
Size:3981 x 3910 px

About the Object

Name:RS Puppis
Type:Milky Way : Star : Type : Variable : Pulsating
Milky Way : Nebula : Appearance : Reflection : Light Echo
Distance:6500 light years
Constellation:Puppis
Category:Nebulae
Stars

Image Formats

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9.8 MB
Screensize JPEG
359.9 KB

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Coordinates

Position (RA):8 13 4.20
Position (Dec):-34° 34' 42.73"
Field of view:3.32 x 3.26 arcminutes
Orientation:North is 91.0° right of vertical

Colours & filters

BandWavelengthTelescope
Optical
B
435 nm Hubble Space Telescope
ACS
Optical
V
606 nm Hubble Space Telescope
ACS

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