NGC 4257

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Galaxy
NGC 4257
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SDSS image of NGC 4257
SDSS image of NGC 4257
AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 19 m 06.5 s
declination + 05 ° 43 ′ 33 ″
Appearance
Morphological type Sab: sp / LINER  
Brightness  (visual) 14.3 mag
Brightness  (B-band) 15.1 mag
Angular expansion 1.5 '× 0.5'
Position angle 78 °
Surface brightness 13.8 mag / arcmin²
Physical data
Affiliation Virgo cluster  
Redshift 0.009193 ± 0.000117  
Radial velocity 2756 ± 35 km / s  
Stroke distance
v rad  / H 0
(119 ± 8)  ·  10 6  ly
(36.6 ± 2.6)  Mpc 
history
discovery Heinrich d'Arrest
Discovery date April 21, 1862
Catalog names
NGC  4257 • PGC  39624 • CGCG  042-006 • MCG  + 01-31-049 • 2MASX  J12190647 + 0543333 • VCC  323 • GC  2840 • LDCE 0904 NED038

NGC 4257 is a spiral galaxy of Hubble type Sab in the constellation Virgo north of the ecliptic . It is estimated to be 119 million light years from the Milky Way . The galaxy is listed under catalog number VVC 323 as part of the Virgo galaxy cluster . The object was discovered by Heinrich Louis d'Arrest on April 21, 1862 .

Web links

Commons : NGC 4257  - 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 4257
  3. Seligman