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NGC 1417

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Galaxy
NGC 1417
StarArrowUR.svg

Eridanus constellation map.png

Template:Skymap/Maintenance/Eri

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NGC 1417 DSS.jpg
AladinLite
Constellation Eridanus
Position
Equinox: J2000.0, Epoch: J2000.0
Right ascension 03h 41m 57.4s[1]
Declination -04° 42′ 17″ [1]
Appearance
Morphological type SAB(rs)b[1][2]
Brightness (visual) 12.1 mag [2]
Brightness (B-Band) 12.8 mag [2]
Angular expansion 2,3′ × 1,2′ [2]
Position angle [2]
Surface brightness 13.6 mag/arcmin² [2]
Physical data
Affiliation LGG 103[1][3]
Redshift 0.013722 ± 0.000025[1]
Radial velocity (4114 ± 7) km/s[1]
Hubble distance
vrad / H0
(182 ± 13) – 106 Lj
(55.7 ± 3.9) Mpc[1]
History
Discovery William Herschel
Date of discovery 5. October 1785
Catalog designations
NGC 1417 – PGC 13584 – MCG -01-10-021 – IRAS 3394-0451 – 2MASXJ03415742-0442174 – GC 758 – H II 455 – h 306 – LDCE 260 NED003

NGC 1417 is a Hubble-type SBb barred spiral galaxy in the constellation Eridanus in the southern starry sky. It is estimated to be 182 million light years away from the Milky Way and has a diameter of about 125,000 light years.

In the same area of the sky are among others the galaxies NGC 1418, NGC 1424, IC 344, IC 347.

The type Ia supernova SN 2010it was observed here.[4]

The object was discovered by Wilhelm Herschel on October 5, 1785.[5]

Web links

Commons: NGC 1417– Collection of images

Individual references

  1. a b c d e NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS: NGC 1417
  3. VizieR
  4. Simbad
  5. Seligman