In the Vinony graph
Vinony's link graph records 454 inbound references to NGC 3489, and connects out to NGC 3576, light-year and epoch.
It is catalogued under topics including Astronomical objects discovered in 1784, Discoveries by William Herschel and Lenticular galaxies.
Vinony links it to 36 Wikipedia language editions.
Astronomical data · SIMBAD
- Object type
- GiG
- Redshift
- z = 0.0023711161639548006
- Morphology
- S_AB
- Coordinates
- RA 165.0773° · Dec 13.9012°
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Leo
- Right ascension
- 11 00 18.6
- Declination
- +13 ° 54 ′ 04 ″
- Redshift
- 0.002258 ± 0.000006
- Heliocentric radial velocity
- 677 ± 2 km / s
- Distance
- 29 ± 8.4 Mly (8.9 ± 2.6 Mpc )
- Type
- SAB(rs)0+
- Apparent size v
- 3.5 ′ × 2.0 ′
via Wikipedia infobox
Wikidata facts
- Instance of
- lenticular galaxy
- Constellation
- Leo
- Distance from Earth
- 7.30
- Image
- NGC3489-hst-R814GB658.jpg
Show 11 more facts
- galaxy morphological type
- SAB0/a
- right ascension
- 165.07728064592570
- Commons category
- NGC 3489
- catalog code
- Gaia DR2 3968847955315789312
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1784-04-08
- apparent magnitude
- 12.442
- declination
- 13.90117087641030
- radial velocity
- 696
- redshift
- 0.002325
- epoch
- J2000.0
via Wikidata · CC0
~2 min read
Encyclopedic overview
NGC 3489 is a lenticular galaxy located in the constellation Leo. It is located at a distance of about 30 million light years from Earth, which, given its apparent dimensions, means that NGC 3489 is about 30,000 light years across. It was discovered by William Herschel on April 8, 1784. NGC 3489 is a member of the Leo Group.
NGC 3489 has a weak bar, seen along the minor axis, and a small bulge. The age of the stellar population in NGC 3489 shows a gradient, with the younger stars lying closer to the core. When observed in H-beta, the central arcsecond of NGC 3489 shows a peak, indicating the presence of younger stars at the core, whose age is estimated to be about 1.7 Gys. Although currently NGC 3489 is considered a post-starburst galaxy, there is still molecular gas in the nucleus that can lead to star formation, although its mass is less than what is found in galaxies with active star formation. In the nuclear region of NGC 3489 has been observed dust with an open spiral pattern. The galaxy has an outer ring structure, with a diameter of 1.54 arcminutes along the major axis.
Excerpted from Wikipedia’s “NGC 3489” article, available under the CC BY-SA 4.0 licence.