NGC 1549

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Galaxy
NGC 1549
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NGC 1549 [1]
NGC 1549
AladinLite
Constellation Swordfish
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 04 h 15 m 45.130 s
declination -55 ° 35 ′ 32.10 ″
Appearance
Morphological type E / S0  
Brightness  (visual) 9.6 likes
Brightness  (B-band) 10.6 mag
Angular expansion 4.9 ′ × 4.1 ′
Position angle 135 °
Surface brightness 12.9 mag / arcmin²
Physical data
Affiliation Dorado group
SSRS group 13
NGC 1566 group
LGG 112  
Redshift 0.004190 ± 0.000040  
Radial velocity 1256 ± 12 km / s  
Stroke distance
v rad  / H 0
(48 ± 4)  ·  10 6  ly
(14.8 ± 1.1)  Mpc 
diameter 75,000 ly
history
discovery James Dunlop
Discovery date November 5, 1826
Catalog names
NGC  1549 • PGC  14757 • ESO  157-016 • 2MASX  J04154522-5535324 • SGC  041439-5542.9 • GC  834 • h  2629 • 2MASS J04154511-5535320 • LDCE 328 NED006 • WISEA J041545.10-553531.8

NGC 1549 is an elliptical galaxy of Hubble type E0-1 in the constellation swordfish on the southern sky . It is estimated to be 48 million light years from the Milky Way and about 75,000 light years in diameter. Together with NGC 1553 , which is around 175,000 light years away , it forms an interacting galaxy pair and is a member of the NGC 1553 group ( LGG 112 ). In the same area of ​​the sky are u. a. the galaxies NGC 1546 and IC 2058 .

The object was discovered on November 5, 1826 by the Scottish astronomer James Dunlop .

Web links

Commons : NGC 1549  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 1549
  4. ^ VizieR
  5. Seligman