The region around the massive star IRS2

Eso_eso0929a_500

eso_eso0929a August 19th, 2009

Credit: ESO

Colour composite image of the central part of the stellar cluster RCW 38, around the young, massive star IRS2, taken with the NACO adaptive optics instrument attached to ESO's Very Large Telescope. Thanks to this image, astronomers were able to discover that IRS2 is in fact a twin system composed of two almost equally massive stars. The astronomers also found a handful of protostars the faintly luminous precursors to fully realised stars and dozens of other candidate stars that have eked out an existence here despite the powerful ultraviolet light radiated by IRS2. The image is based on near-infrared data taken through three different filters (J, H and K). The field of view is about 1 arcminute across.

Image Source: https://www.eso.org/public/images/eso0929a/

Curator: European Southern Observatory, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Object Name
RCW 38
Subject - Milky Way
Star » Grouping » Cluster
Eso_eso0929a_128
 

Position Details

Position (ICRS)
RA = 8h 59m 5.8s
DEC = -47° 30’ 37.6”
Orientation
North is up
Field of View
0.9 x 0.8 arcminutes
Constellation
Vela

Color Mapping

  Telescope Spectral Band Wavelength
Arrow_left_blue Very Large Telescope (NACO) Infrared (J) -
Arrow_left_green Very Large Telescope (NACO) Infrared (H) -
Arrow_left_red Very Large Telescope (NACO) Infrared (K) -
Eso_eso0929a_1280
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ID
eso0929a
Subject Category
B.3.6.4  
Subject Name
RCW 38
Credits
ESO
Lightyears
Redshift
Reference Url
https://www.eso.org/public/images/eso0929a/
Type
Observation
Image Quality
Distance Notes
Facility
Very Large Telescope, Very Large Telescope, Very Large Telescope
Instrument
NACO, NACO, NACO
Color Assignment
Blue, Green, Red
Band
Infrared, Infrared, Infrared
Bandpass
J, H, K
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
134.774025124, -47.5104322223
Reference Dimension
947.0, 934.0
Reference Pixel
452.276679998, 393.39823996
Scale
-1.501381e-05, 1.501381e-05
Rotation
-0.03323856644
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
Creator (Curator)
European Southern Observatory
URL
http://www.eso.org/
Name
Email
Telephone
Address
Karl-Schwarzschild-Strasse 2
City
Garching bei München
State/Province
Postal Code
D-85748
Country
Germany
Rights
Creative Commons Attribution 4.0 International License
Publisher
European Southern Observatory
Publisher ID
eso
Resource ID
eso0929a
Metadata Date
2009-08-12T15:22:08+02:00
Metadata Version
1.1
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Detailed color mapping information coming soon...

 

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There is no distance meta data in this image.