Spitzer Image of HD168625: Ready to go Supernova?

Spitzer_sig07-003a_1024

spitzer_sig07-003a January 9th, 2007

Credit: NASA/JPL-Caltech/N. Smith (UC Berkeley)

A Luminous Blue Variable star in our galaxy, named HD168625, is surrounded by a bipolar nebula that is similar to the one around SN1987A. SN1987A was a supernova in the Large Magellanic Cloud that was first seen on Earth in 1987, and was the nearest supernova detected in about 400 years.

The image was taken in 2004 by the Infrared Array Camera (IRAC) on NASA's Spitzer Space Telescope at wavelengths between 3.6 and 8 microns. The massive star at the center, which lies within the constellation Sagittarius, is about 7,200 light-years from Earth.

Provider: Spitzer Space Telescope

Image Source: http://www.spitzer.caltech.edu/images/2173-sig07-003a-Spitzer-Image-of-HD168625-Ready-to-go-Supernova-

Curator: Spitzer Space Telescope, Pasadena, CA, USA

Image Use Policy: Public Domain

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Image Details

Image Type
Observation
Object Name
HD 168625
Subject - Milky Way
Star > Type > Variable
Star > Evolutionary Stage > Blue Supergiant
Star > Evolutionary Stage > Supernova
Star > Circumstellar Material > Outflow
Nebula > Type > Supernova Remnant

Distance

Universescale1
7,176 light years

Position Details

Position
RA = 18h 21m 19.5s
DEC = -16° 21’ 59.8”
Constellation
Sagittarius

Color Mapping

  Telescope Spectral Band Wavelength
Blue Spitzer (IRAC) Infrared (Near-IR) 3.6 µm
Blue Spitzer (IRAC) Infrared (Near-IR) 4.5 µm
Green Spitzer (IRAC) Infrared (Mid-IR) 8.0 µm
Spectrum_base
Blue
Blue
Green
Spitzer_sig07-003a_1280
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ID
sig07-003a
Subject Category
B.3.2.1   B.3.1.6   B.3.1.8   B.3.7.3   B.4.1.4  
Subject Name
HD 168625
Credits
NASA/JPL-Caltech/N. Smith (UC Berkeley)
Type
Observation
Image Quality
Good
Distance Notes
Distance taken from Fast Facts and converted from kpc.
Facility
Spitzer, Spitzer, Spitzer
Instrument
IRAC, IRAC, IRAC
Color Assignment
Blue, Blue, Green
Band
Infrared, Infrared, Infrared
Bandpass
Near-IR, Near-IR, Mid-IR
Central Wavelength
3600, 4500, 8000
Start Time
Integration Time
1.2
Dataset ID
Notes
Coordinate Frame
Equinox
Reference Value
275.331458333, -16.3666
Reference Dimension
Reference Pixel
Scale
Rotation
Coordinate System Projection:
Quality
Position
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
Public Domain
Publisher
Spitzer Science Center
Publisher ID
spitzer
Resource ID
sig07-003a.tif
Metadata Date
2011-09-06
Metadata Version
1.1
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Detailed color mapping information coming soon...

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Universescalefull
7,176 light years

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