ESO 137-001

ESO 137-001
HST image of ESO 137-001[1]
Observation data (J2000[2] epoch)
ConstellationTriangulum Australe[3]
Right ascension16h 13m 27.305s[2]
Declination−60° 45′ 50.59″[2]
Redshift0.015565[2]
Heliocentric radial velocity4630 ± 58 km/s[2]
Distance220 million ly[4]
Characteristics
TypeSBc[2]
Size100,000 ly [5]
Apparent size (V)1.23′ × 0.55[3]
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[2] located in the constellation Triangulum Australe and in the cluster Abell 3627.[6] As the galaxy moves to the center of the cluster at 1900 km/s,[4] it is stripped by hot gas, thus creating a 260,000 light-year long tail.[6] This is called ram pressure stripping.[5] The intergalactic gas in Abell 3627 is at 100 million Kelvin, which causes star formation in the tails.[5][6]

  1. ^ "Spiral galaxy spills blood and guts". ESA / HUBBLE. Retrieved 12 March 2014.
  2. ^ a b c d e f g "ESO 137-1". SIMBAD. Retrieved 27 October 2010.
  3. ^ a b "PGC 57532". WikiSky. Retrieved 27 October 2010.
  4. ^ a b "APOD Stripping ESO 137-001". Retrieved 22 November 2018.
  5. ^ a b c "Chandra.Harvard". Retrieved 22 November 2018.
  6. ^ a b c "Galaxy Cluster Has Two 'Tails' to Tell". NASA. Retrieved 27 October 2010.