NGC 1564

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Galaxy
NGC 1564
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NGC 1564 & NGC 1563 [1]
NGC 1564 & NGC 1563
AladinLite
Constellation Eridanus
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 04 h 23 m 00.950 s
declination -15 ° 44 ′ 19.92 ″
Appearance
Morphological type (R ':) SA (s:) 0o  
Brightness  (visual) 14.6 mag
Brightness  (B-band) 15.6 mag
Angular expansion 0.7 ′ × 0.5 ′
Position angle 20 °
Surface brightness 13.3 mag / arcmin²
Physical data
Redshift 0.030698 ± 0.000090  
Radial velocity 9203 ± 27 km / s  
Stroke distance
v rad  / H 0 		(407 ± 28)  x  10 6  ly
(124.7 ± 8.7)  Mpc 
history
discovery Francis Leavenworth
Discovery date November 12, 1885
Catalog names
NGC  1564 • PGC  15004 • 2MASX  J04230094-1544195 • GALEX ASC J042301.10-154418.8 • WISEA J042300.97-154419.7

NGC 1564 is a lenticular galaxy of the Hubble type S0 in the constellation Eridanus in the southern sky . It is estimated to be 407 million light years from the Milky Way and about 85,000 light years in diameter. In the same area of ​​the sky are the galaxies NGC 1561 , NGC 1563 , NGC 1565 , IC 2064 .

The object was discovered by Francis Leavenworth on November 12, 1885 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 1564
  4. ↑ Seligman