Sequence of Brown Dwarfs and Planets in Visible Light

Spitzer_sig00_star_planet_seq_vis_1024

spitzer_sig00_star_planet_seq_vis July 1st, 2003

Credit: NASA/IPAC/R. Hurt (SSC)

This figure shows an artist's rendition comparing brown dwarfs to stars and planets. All objects are plotted to the same scale. On the far left is the limb of the Sun. To its right is shown a very low mass star (a so-called "late-M dwarf"), a couple of brown dwarfs (a hotter "L dwarf" and a cooler "T dwarf"), and the planet Jupiter. These objects have masses ranging from 1050 times that of Jupiter (for the Sun) through 75, 65, 30, and 1 Jupiter mass for the late-M dwarf, L dwarf, T dwarf, and Jupiter, respectively. The colors of the brown dwarfs are chosen to match an age of 1 billion years. Despite the range in mass, all four of the low-mass objects are approximately the same size, ten times smaller than the diameter of the Sun. The visible-light sequence shows how these objects might appear to the human eye: the M and L dwarfs are red, while the T dwarf is dimly magenta, due to lack of light -- actually absorptions by sodium and potassium atoms -- in the green portion of the spectrum.

Provider: Spitzer Space Telescope

Image Source: https://www.spitzer.caltech.edu/image/sig00-star-planet-seq-vis-sequence-of-brown-dwarfs-and-planets-in-visible-light

Curator: Spitzer Space Telescope, Pasadena, CA, USA

Image Use Policy: http://www.spitzer.caltech.edu/info/18-Image-Use-Policy

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Image Details

Image Type
Artwork
Object Name
Sun Jupiter
Subject - General
Star > Spectral Type > M
Star > Spectral Type > L
Star > Spectral Type > T
Star > Type > Brown Dwarf
Star > Evolutionary Stage > Main Sequence
Star > Spectral Type > G
Planet > Type > Gas Giant
Spitzer_sig00_star_planet_seq_vis_1280
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ID
sig00_star_planet_seq_vis
Subject Category
E.3.3.7   E.3.3.8   E.3.3.9   E.3.2.3.   A.3.1.3.   A.3.3.5   A.1.1.2.  
Subject Name
Sun, Jupiter
Credits
NASA/IPAC/R. Hurt (SSC)
Type
Artwork
Image Quality
Good
Distance Notes
Facility
Instrument
Color Assignment
Band
Bandpass
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
Equinox
Reference Value
Reference Dimension
Reference Pixel
Scale
Rotation
Coordinate System Projection:
Quality
FITS Header
Notes
Creator (Curator)
Spitzer Space Telescope
URL
http://www.spitzer.caltech.edu
Name
Spitzer Space Telescope
Email
Telephone
Address
1200 E. California Blvd.
City
Pasadena
State/Province
CA
Postal Code
91125
Country
USA
Rights
http://www.spitzer.caltech.edu/info/18-Image-Use-Policy
Publisher
Spitzer Science Center
Publisher ID
spitzer
Resource ID
visible_sequence.tif
Metadata Date
2021-07-03T01:02:31Z
Metadata Version
1.2
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Detailed color mapping information coming soon...

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There is no distance meta data in this image.