The Green Bean galaxy J2240

CFHT color image, taken in g,r, and i filters, of J2240. The very strong [OIII] emission leads to the peculiar green color of the galaxy near the center of the field. In this object the ultra-luminous narrow-line region (NLR) is as large as the entire object, 130,000 light-years across. The object is located some 3.7 billion light-years distant and the galactic nucleus doesn’t appear very active in the image, contradicting the high [OIII] luminosity discussed in this story.

Credit:

CFHT/ESO/M. Schirmer

About the Image

Id:geminiann12015a
Type:Observation
Release date:Nov. 30, 2012, 4:30 p.m.
Related announcements:geminiann12015
Size:500 x 477 px

About the Object

Name:Green Bean Galaxy, SDSS J224024.10-092748.1
Constellation:Aquarius
Category:Galaxies

Image Formats

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Coordinates

ObjectValue
Position (RA):22 40 24.39
Position (Dec):-9° 27' 48.38"
Field of view:2.97 x 2.84 arcminutes
Orientation:North is -0.0° left of vertical


Colors & filters

BandWave-lengthTele-scope
Optical
g
475 nmCanada-France-Hawaii Telescope
MegaCam
Optical
r
640 nmCanada-France-Hawaii Telescope
MegaCam
Optical
i
776 nmCanada-France-Hawaii Telescope
MegaCam