NGC 1569
Irregular Galaxy NGC 1569, type Irp+ III-IV:,
in Camelopardalis
- RA:
- 04 : 30.8
- Dec:
- +64 : 51
- Type:
- Irp+ III-IV:
- RV:
- + 87 km/s
- Distance:
- 7500 kly ::
- Apparent Dimension:
- 2.9 x 1.5 arc min
- Diameter:
-
- Brightness:
- 11.2 mag vis
- Abs. Mag:
-
- Mass:
-
Discovered by William Herschel on November 4, 1788 (H II.768).
NGC 1569 is a galaxy which is probably situated close to the Local Group,
and has been considered as a member galaxy by
Arp (1986), together with its neighbor in the sky,
NGC 1560.
Today, however, most authors take them as neighboring non-members (e.g.,
van den Bergh 1994).
Kraan-Korteweg and Tammann (1979) suggest they might be
members of the Maffei 1 - IC 342 group. As both galaxies lie approximately in
the direction of the neighboring Maffei 1 and the M81 groups, their role in
the Local - Maffei 1 Group dynamics might be interesting.
Local Group candidate UGCA 92 is a close neighbor of
this galaxy, which may indicate a physical relationship of some kind.
The image in this page was obtained by the Hubble Space Telescope's WFPC2
camera, and processed by Mischa Schirmer; I grabbed it from the mailing list
astro at naa.net. It was composed from two blue, five green and two red as
well as 4 near-IR exposures.
Central region of NGC 1569 with two giant
globular clusters (also HST/WFPC2, processed by Mischa Schirmer)
HST images of NGC 1569 (STScI PR 2008-38 of November 20, 2008)
Some Fabri-Perot images of NGC 1569 -
from The Electronic Universe Project, Greg Bothun, Univ. of Oregon
Deidre A. Hunter's investigations of NGC 1569 with the
Hubble Space Telescope
Chandra X-ray
Observatory investigations of NGC 1569 (July 23, 2002)
- featured as
Astronomy Picture of the Day (APOD) July 25, 2002
References:
- Halton Arp, 1986.
Astronomy and Astrophysics, Vol. 156, p. 207
[ADS: 1986A&A...156..207A]
- Kraan-Korteweg, R.C. & Tammann, Gustav, 1979.
Astronomische Nachrichten, Vol. 300, p. 181
[ADS: 1979AN....300..181K]
- Sidney van den Bergh, 1994.
The Outer Fringes of the Local Group.
Astronomical Journal, Vol. 107, No. 4, pp. 1328-1332 (April 1994)
[ADS: 1994AJ....107.1328V]
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Last Modification: September 4, 2007