Cosmic 'Winter' Wonderland

Chandra_645_1024

chandra_645 December 19th, 2016

Credit: X-ray: NASA/CXC/PSU/L.Townsley et al; Optical: UKIRT; Infrared: NASA/JPL-Caltech

This composite image captures the star formation region called NGC 6357 located within the Milky Way galaxy. X-rays from Chandra and ROSAT (purple) reveal hundreds of point sources, which are the young stars in NGC 6357, as well as diffuse X-ray emission from hot gas. These have been combined with infrared data from Spitzer (orange) and optical data from the SuperCosmos survey (blue) to complete this spectacular cosmic vista.

Provider: Chandra X-ray Observatory

Image Source: http://chandra.harvard.edu/photo/2016/ngc6357/

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

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

Image Details Image Details

Image Type
Observation
Object Name
NGC 6357
Subject - Milky Way
Nebula > Type > Star Formation

Distance Details Distance

Universescale1
5,500 light years
Chandra_645_128
 

Position Details Position Details

Position (ICRS)
RA = 17h 25m 7.3s
DEC = -34° 19’ 3.0”
Orientation
North is 0.6° CCW
Field of View
44.1 x 34.9 arcminutes
Constellation
Scorpius

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Magenta Chandra (ACIS) X-ray (X-ray) 826.7 pm
Blue UKIRT Optical (R-band) 660.0 nm
Orange Spitzer (IRAC) Infrared (Near-IR) 5.8 µm
Spectrum_xray1
Magenta
Blue
Orange
Chandra_645_1280
×
ID
645
Subject Category
B.4.1.2  
Subject Name
NGC 6357
Credits
X-ray: NASA/CXC/PSU/L.Townsley et al; Optical: UKIRT; Infrared: NASA/JPL-Caltech
Release Date
2016-12-19
Lightyears
5,500
Redshift
5,500
Reference Url
http://chandra.harvard.edu/photo/2016/ngc6357/
Type
Observation
Image Quality
Good
Distance Notes
Facility
Chandra, UKIRT, Spitzer
Instrument
ACIS, -, IRAC
Color Assignment
Magenta, Blue, Orange
Band
X-ray, Optical, Infrared
Bandpass
X-ray, R-band, Near-IR
Central Wavelength
0.8267, 660, 5800
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
261.2802673, -34.3174881
Reference Dimension
3600.0, 2850.0
Reference Pixel
1801.0, 1426.0
Scale
0.000204196, 0.00020419572
Rotation
0.60
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
WCS retrieved using CXCs PinpointWCS
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 Observatory Center
Publisher ID
chandra
Resource ID
ngc6357.tif
Metadata Date
2016-12-19T14:43:37-05:00
Metadata Version
1.2
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Detailed color mapping information coming soon...

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Universescalefull
5,500 light years

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