NGC 1730

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Galaxy
NGC 1730 / IC 2113
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NGC 1730 DSS.jpg
AladinLite
Constellation Hare
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 04 h 59 m 31.8 s
declination -15 ° 49 ′ 25 ″
Appearance
Morphological type SB (r) a  
Brightness  (visual) 12.3 mag
Brightness  (B-band) 13.2 mag
Angular expansion 2.3 ′ × 1 ′
Position angle 100 °
Surface brightness 13.1 mag / arcmin²
Physical data
Redshift 0.013239 ± 0.000020  
Radial velocity 3969 ± 6 km / s  
Stroke distance
v rad  / H 0
(172 ± 12)  ·  10 6  ly
(52.7 ± 3.7)  Mpc 
history
discovery Francis Leavenworth
Discovery date November 14, 1885
Catalog names
NGC  1730 • IC  2113 • PGC  16499 • MCG  -03-13-043 • IRAS  04573-1553 • 2MASX  J04593187-1549252 •

NGC 1730 = IC 2113 is a bar-spiral galaxy of the Hubble type SBa in the constellation Lepus north of the ecliptic . It is an estimated 172 million light years away from the Milky Way and has a diameter of about 120,000 ly.
In the same area of ​​the sky are the galaxies NGC 1710 and IC 2104 .

The object was discovered by Francis Leavenworth on November 14, 1885 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 1730
  3. Seligman