X-rays Found From a Lightweight Brown Dwarf

Chandra_85_1024

chandra_85 April 14th, 2003

Credit: NASA/CXC/Chuo U./Y.Tsuboi et al.

Chandra's observation of TWA 5 distinguished the brown dwarf TWA 5B from TWA 5A. The X-rays from both the stars and the brown dwarf come from their hot upper atmospheres, or coronas. The interiors of young stars and brown dwarfs are turbulent. When combined with rapid rotation, this turbulence can lead to a tangled magnetic field that can heat their upper atmospheres, or coronas, to a few million degrees Celsius. TWA 5B is estimated to be only between 15 and 40 times the mass of Jupiter, making it one of the least massive brown dwarfs known.

Provider: Chandra X-ray Observatory

Image Source: http://chandra.harvard.edu/photo/2003/twa5b/

Curator: Chandra X-ray Observatory, Cambridge, MA, USA

Image Use Policy: http://chandra.harvard.edu/photo/image_use.html

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Image Details Image Details

Image Type
Observation
Object Name
TWA 5B

Distance Details Distance

Position Details Position Details

Position (ICRS)
RA = 11h 31m 55.4s
DEC = -34° 36’ 27.0”
Constellation
Hydra

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Pseudocolor Chandra (ACIS) X-ray (X-ray) 826.7 pm
Spectrum_xray1
Pseudocolor
Chandra_85_1280
×
ID
85
Subject Category
Subject Name
TWA 5B
Credits
NASA/CXC/Chuo U./Y.Tsuboi et al.
Release Date
2003-04-14
Lightyears
1.8e2
Redshift
1.8e2
Reference Url
http://chandra.harvard.edu/photo/2003/twa5b/
Type
Observation
Image Quality
Good
Distance Notes
Facility
Chandra
Instrument
ACIS
Color Assignment
Pseudocolor
Band
X-ray
Bandpass
X-ray
Central Wavelength
0.8267
Start Time
2001-04-15T04:59:21
Integration Time
10310
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
172.980833, -34.607500
Reference Dimension
Reference Pixel
Scale
Rotation
Coordinate System Projection:
TAN
Quality
Position
FITS Header
Notes
Creator (Curator)
Chandra X-ray Observatory
URL
http://chandra.harvard.edu
Name
Chandra X-ray Observatory Center
Email
cxcpub@cfa.harvard.edu
Telephone
617.496.7941
Address
60 Garden St.
City
Cambridge
State/Province
MA
Postal Code
02138
Country
USA
Rights
http://chandra.harvard.edu/photo/image_use.html
Publisher
Chandra X-Ray Center
Publisher ID
chandra
Resource ID
twa5b_xray_labeled.tif
Resource URL
http://chandra.harvard.edu/photo/2003/twa5b/twa5b_xray_labeled.tif
Related Resources
Metadata Date
2012-07-27T15:10:31-04:00
Metadata Version
1.2
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