NGC 1100

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Galaxy
NGC 1100
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NGC 1100 DSS.jpg
AladinLite
Constellation Eridanus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 45 m 36.1 s
declination -17 ° 41 ′ 20 ″
Appearance
Morphological type SA (r) a  
Brightness  (visual) 13.1 mag
Brightness  (B-band) 14.0 mag
Angular expansion 1.7 ′ × 0.8 ′
Position angle 58 °
Surface brightness 13.3 mag / arcmin²
Physical data
Affiliation SSRS group 87
HCG 21  
Redshift 0.024327 ± 0.000083  
Radial velocity 7293 ± 25 km / s  
Stroke distance
v rad  / H 0
(324 ± 23)  x  10 6  ly
(99.3 ± 7.0)  Mpc 
history
discovery Francis P. Leavenworth
Discovery date October 17, 1885
Catalog names
NGC  1100 • PGC  10438 • ESO  546-018 • MCG  -03-08-016 • 2MASX  J02453607-1741201 • SGC  024316-1753.8 • HCG  21B • NVSS J024536-174124 • LDCE 188 NED003

NGC 1100 is a barred spiral galaxy of the Hubble type SBa in the constellation Eridanus in the southern sky . It is estimated to be 324 million light years from the Milky Way and about 165,000 light years in diameter.
In the same area of ​​the sky are u. a. the galaxies NGC 1091 , NGC 1092 , NGC 1098 , NGC 1099 .

The property was discovered by Francis Preserved Leavenworth on October 17, 1885 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 1100
  3. Seligman