NGC 4495

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Galaxy
NGC 4495
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SDSS recording
SDSS recording
AladinLite
Constellation Berenike's hair
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 31 m 22.7 s
declination + 29 ° 08 ′ 12 ″
Appearance
Morphological type Sab / LINER / pec?  
Brightness  (visual) 13.3 mag
Brightness  (B-band) 14.1 mag
Angular expansion 1.40 × 0.8
Position angle 130 °
Surface brightness 13.3 mag / arcmin²
Physical data
Redshift 0.015177 +/- 0.000020  
Radial velocity 4550 +/- 6 km / s  
Stroke distance
v rad  / H 0
(204 ± 14)  ·  10 6  ly
(62.4 ± 4.4)  Mpc 
history
discovery William Herschel
Discovery date March 13, 1785
Catalog names
NGC  4495 • UGC  7663 • PGC  41438 • CGCG  159-009 • MCG  + 05-30-012 • IRAS  12289 + 2924 • 2MASX  J12312290 + 2908109 • GC  3044 • H  III 301 • h  1310 • NVSS J123122 + 290811

NGC 4495 is a spiral galaxy with an active nucleus of the Hubble type Sab in the constellation Haar der Berenice in the northern sky . It is estimated to be 204 million light years away from the Milky Way and has a diameter of about 85,000 ly.
In the same area of ​​the sky are the galaxies NGC 4514 , IC 3402 , IC 3441 , IC 3451 .

The supernovae SN 1994S , SN 2010lo and SN 2011ca were observed here.

The object was discovered by William Herschel on March 13, 1785 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4495
  3. Seligman