NGC 6305

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Galaxy
NGC 6305
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AladinLite
Constellation altar
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 17 h 18 m 00.92 s
declination -59 ° 10 ′ 19.5 ″
Appearance
Morphological type E / SB0  
Brightness  (visual) 12.2 mag
Brightness  (B-band) 13.2 mag
Angular expansion 1.4 ′ × 0.8 ′
Position angle 133 °
Surface brightness 12.4 mag / arcmin²
Physical data
Redshift 0.008943 ± 0.000150  
Radial velocity 2681 ± 45 km / s  
Stroke distance
v rad  / H 0
(115 ± 8)  x  10 6  ly
(35.3 ± 2.5)  Mpc 
history
discovery John Herschel
Discovery date July 5, 1836
Catalog names
NGC  6305 • PGC  60029 • ESO  138-019 • 2MASX  J17180092-5910193 • SGC  171337-5907.1 • GC  4276 • h  3669 • WISEA J171800.91-591019.7 • LDCE 1251 NED002

NGC 6305 is a 12.2 mag bright, elliptical galaxy of the Hubble type E / SB0 in the constellation Altar in the southern sky . It is estimated to be 115 million light years from the Milky Way and about 45,000 light years across.

The object was discovered on July 5, 1836 by John Herschel with an 18-inch reflector telescope, who noted "vF, vS, R, glbM, 12 arcseconds".

Web links

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 6305
  3. Seligman
  4. Auke Slotegraaf : NGC 6305. Deep Sky Observer's Companion, accessed on July 20, 2016 (English).