NGC 5553

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Galaxy
NGC 5553
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SDSS recording
SDSS recording
AladinLite
Constellation Bear keeper
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 14 h 18 m 29.7 s
declination + 26 ° 17 ′ 16 ″
Appearance
Morphological type Sat  
Brightness  (visual) 14.0 mag
Brightness  (B-band) 14.9 mag
Angular expansion 1.3 ′ × 0.3 ′
Position angle 88 °
Surface brightness 12.8 mag / arcmin²
Physical data
Redshift 0.015140 ± 0.000090  
Radial velocity 4539 ± 27 km / s  
Stroke distance
v rad  / H 0
(205 ± 14)  x  10 6  ly
(62.9 ± 4.4)  Mpc 
history
discovery John Herschel
Discovery date May 6, 1831
Catalog names
NGC  5553 • UGC  9160 • PGC  51105 • CGCG  163-024 • MCG  + 05-34-017 • 2MASX  J14182972 + 2617165 • GC  3841 • h  1775 • 2MASS J14182973 + 2617164

NGC 5553 is a 14.0 mag bright spiral galaxy of the Hubble type "Sa" in the constellation Bear Guardian in the northern sky . It is estimated to be 205 million light years away from the Milky Way and has a diameter of about 80,000 ly.
In the same area of ​​the sky are the galaxies IC 4395 , IC 4397 , IC 4399 , IC 4405 .

The object was discovered by John Herschel on May 6, 1831 .

Web links

  • NGC 5553. SIMBAD, accessed March 13, 2016 .
  • NGC 5553. DSO Browser, accessed March 13, 2016 .
  • Auke Slotegraaf: NGC 5553. Deep Sky Observer's Companion, accessed on March 13, 2016 (English).

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 5553
  3. Seligman