NGC 4625

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Galaxy
NGC 4625 / IC 3675
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High-resolution image of the spiral galaxy NGC 4625 with the help of the Hubble space telescope
High-resolution image of the spiral galaxy NGC 4625 with the help of the Hubble space telescope
AladinLite
Constellation Hunting dogs
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 41 m 52.7 s
declination + 41 ° 16 ′ 26 ″
Appearance
Morphological type SAB (rs) m pec  
Brightness  (visual) 12.3 mag
Brightness  (B-band) 12.9 mag
Angular expansion 1.6 ′ × 1.4 ′
Position angle 132 °
Surface brightness 13.0 mag / arcmin²
Physical data
Affiliation Messier 106 group
Virgo superclusters
CVn II group
NGC 4258 group
LGG 290  
Redshift 0.002031 ± 0.000003  
Radial velocity 609 ± 1 km / s  
Stroke distance
v rad  / H 0
(30 ± 2)  x  10 6  ly
(9.18 ± 0.64)  Mpc 
diameter 15,000 ly
history
discovery Wilhelm Herschel
Discovery date April 9, 1787
Catalog names
NGC  4625 • IC  3675 • UGC  7861 • PGC  42607 • CGCG  216-018 • MCG  + 07-26-038 • IRAS  12395 + 4132 • KUG  1239 + 415 • GC  3160 • H  II 660 • h  1392 • KPG 349B • Holm 438B • KPG 349B • LDCE 867 NED123 • WISEA J124152.73 + 411626.3

NGC 4625 = IC 3675 is a bar-spiral galaxy of the Hubble type SBm / P in the constellation Giraffe in the northern sky . It is estimated to be 30 million light-years from the Milky Way and about 15,000 light-years across. Together with NGC 4618 , it forms the interacting galaxy pair Holm 438 or KPG 349 and is considered a member of the NGC 4258 group ( LGG 290 ).

In visible light, NGC 4625 has no spiral arms , these are only visible in ultraviolet images.
In the same area of ​​the sky are u. a. the galaxies NGC 4655 , IC 3713 , IC 3723 , IC 3726 .

The object was discovered on April 9, 1787 by the German-British astronomer Wilhelm Herschel .

Web links

Commons : NGC 4625  - 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 SEDS : NGC 4625
  3. ^ VizieR
  4. Seligman