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ESO 137-001

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Galaxy in the constellation Triangulum Australe
ESO 137-001
HST image of ESO 137-001
Observation data (J2000 epoch)
ConstellationTriangulum Australe
Right ascension16 13 27.305
Declination−60° 45′ 50.59″
Redshift0.015565
Heliocentric radial velocity4630 ± 58 km/s
Distance220 million ly
Characteristics
TypeSBc
Size100,000 ly
Apparent size (V)1.23′ × 0.55′
Notable featuresTrail of gas
Other designations
ESO 137-001, ESO 137-1, ESO-LV 137-0010, PGC 57532

ESO 137-001, also known as the Jellyfish Galaxy, is a barred spiral galaxy located in the constellation Triangulum Australe and in the cluster Abell 3627. As the galaxy moves to the center of the cluster at 1900 km/s, it is stripped by hot gas, thus creating a 260,000 light-year long tail. This is called ram pressure stripping. The intergalactic gas in Abell 3627 is at 100 million Kelvin, which causes star formation in the tails.

History

The galaxy was discovered by Ming Sun in 2005.

Galaxy's fate

Observations reveal motion of gas as it is ripped out of the galaxy.

The stripping of gas is thought to have a significant effect on the galaxy's development, removing cold gas from the galaxy, shutting down the formation of new stars in the galaxy, and changing the appearance of inner spiral arms and bulges because of the effects of star formation.

Gallery

  • ALMA explores a Cosmic Jellyfish. ALMA explores a Cosmic Jellyfish.
  • Runaway Galaxy (12952512944) Runaway Galaxy (12952512944)

See also

References

  1. "Spiral galaxy spills blood and guts". ESA / HUBBLE. Retrieved 12 March 2014.
  2. ^ "ESO 137-1". SIMBAD. Retrieved 27 October 2010.
  3. ^ "PGC 57532". WikiSky. Retrieved 27 October 2010.
  4. ^ "APOD Stripping ESO 137-001". Retrieved 22 November 2018.
  5. ^ "Chandra.Harvard". Retrieved 22 November 2018.
  6. ^ "Galaxy Cluster Has Two 'Tails' to Tell". NASA. Retrieved 27 October 2010.
  7. "UAH professor watching galaxy he discovered collide with cluster". 10 November 2014. Retrieved 25 July 2016.
  8. "MUSE Reveals True Story Behind Galactic Crash". www.eso.org. European Southern Observatory. Retrieved 11 November 2014.
  9. "A "Jellyfish" Galaxy Swims Into View of NASA's Upcoming Webb Telescope - NASA". 2019-04-17. Retrieved 2024-08-15.
  10. Kapferer, W.; Sluka, C.; Schindler, S.; Ferrari, C.; Ziegler, B. (2009-05-01). "The effect of ram pressure on the star formation, mass distribution and morphology of galaxies". Astronomy & Astrophysics. 499 (1): 87–102. arXiv:0903.3818. Bibcode:2009A&A...499...87K. doi:10.1051/0004-6361/200811551. ISSN 0004-6361.
  11. "ALMA explores a Cosmic Jellyfish". www.eso.org. Retrieved 30 September 2019.

External links

Constellation of Triangulum Australe
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