VISTA views the Trifid Nebula and reveals hidden variable stars

Eso_eso1504a_500

eso_eso1504a February 4th, 2015

Credit: ESO/VVV consortium/D. Minniti

This small extract from the VISTA VVV survey of the central parts of the Milky Way shows the famous Trifid Nebula to the right of centre. It appears as faint and ghostly at these infrared wavelengths when compared to the familiar view at visible wavelengths. This transparency has brought its own benefits many previously hidden background objects can now be seen clearly. Among these are two newly discovered Cepheid variable stars, the first ever spotted on the far side of the galaxy near its central plane.

Image Source: https://www.eso.org/public/images/eso1504a/

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
M 20 Messier 20 Trifid Nebula
Subject - Milky Way
Nebula » Appearance » Reflection
Nebula » Appearance » Dark
Eso_eso1504a_128
 

Position Details

Position (ICRS)
RA = 18h 2m 2.9s
DEC = -22° 57’ 22.2”
Orientation
North is 129.6° CCW
Field of View
29.0 x 20.4 arcminutes
Constellation
Sagittarius

Color Mapping

  Telescope Spectral Band Wavelength
Arrow_left_blue Visible and Infrared Survey Telescope for Astronomy (VIRCAM) Infrared (J) -
Arrow_left_green Visible and Infrared Survey Telescope for Astronomy (VIRCAM) Infrared (H) -
Arrow_left_red Visible and Infrared Survey Telescope for Astronomy (VIRCAM) Infrared (Ks) -
Eso_eso1504a_1280
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ID
eso1504a
Subject Category
B.4.2.2   B.4.2.3  
Subject Name
M 20, Messier 20, Trifid Nebula
Credits
ESO/VVV consortium/D. Minniti
Lightyears
Redshift
Reference Url
https://www.eso.org/public/images/eso1504a/
Type
Observation
Image Quality
Distance Notes
Facility
Visible and Infrared Survey Telescope for Astronomy, Visible and Infrared Survey Telescope for Astronomy, Visible and Infrared Survey Telescope for Astronomy
Instrument
VIRCAM, VIRCAM, VIRCAM
Color Assignment
Blue, Green, Red
Band
Infrared, Infrared, Infrared
Bandpass
J, H, Ks
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
270.512083177, -22.9561623215
Reference Dimension
5102.0, 3596.0
Reference Pixel
2551.0, 1798.0
Scale
-9.47256315989e-05, 9.47256315989e-05
Rotation
129.59999999999965
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
eso1504a
Metadata Date
2015-01-26T18:17:42+01:00
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.