NGC 4244

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Galaxy
NGC 4244
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High-resolution image from the Hubble Space Telescope
High-resolution image from the Hubble Space Telescope
AladinLite
Constellation Hunting dogs
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 17 m 29.6 s
declination + 37 ° 48 ′ 26 ″
Appearance
Morphological type SA (s) cd: / sp / HII  
Brightness  (visual) 10.0 mag
Brightness  (B-band) 10.7 mag
Angular expansion 16.6 ′ × 1.9 ′
Position angle 48 °
Surface brightness 13.6 mag / arcmin²
Physical data
Affiliation Canes Venatici I group
NGC 4631 group
LGG 291  
Redshift 0.000815 ± 0.000001  
Radial velocity 244 ± 0 km / s  
Stroke distance
v rad  / H 0 		(12 ± 1)  x  10 6  ly
(3.72 ± 0.26)  Mpc 
diameter 75,000 ly
history
discovery Wilhelm Herschel
Discovery date March 17, 1787
Catalog names
NGC  4244 • UGC  7322 • PGC  39422 • CGCG  187-035 • MCG  + 06-27-045 • IRAS  12150 + 3804 • 2MASX  J12172965 + 3748255 • GC  2831 • H  V 41 • h  1167 • LDCE 0867 NED095

NGC 4244 is a spiral galaxy with extensive star formation regions of the Hubble type Sc in the constellation Hounds north of the ecliptic . It is estimated to be 12 million light years away from the Milky Way and about 55,000 light years in diameter.
The property is a member of the Canes Venatici I group , the closest neighbor of the local group to which u. a. M 94 , M 106 , NGC 4214 , NGC 4395, and NGC 4449 belong.

The object was discovered on March 17, 1787 by the German-British astronomer Wilhelm Herschel .

Web links

Commons : NGC 4244  - collection of images, videos, and audio files

Individual evidence

  1. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b c d e f SEDS : NGC 4244
  3. ^ VizieR
  4. ↑ Stars and Space May 2005 p. 64
  5. ↑ Seligman