Astronomical data · SIMBAD
- Object type
- GiG
- Redshift
- z = 0.01985
- Morphology
- E
- Coordinates
- RA 107.7951° · Dec 50.1747°
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Lynx
- Right ascension
- 07 11 10.7950
- Declination
- +50 ° 10 ′ 29.075 ″
- Redshift
- 0.019 764 ± 0.000 0250
- Heliocentric radial velocity
- 5,925 ± 7 km/s
- Distance
- 315.77 ± 44.34 Mly (96.817 ± 13.596 Mpc )
- Type
- E
- Size
- ~263,000 ly (80.64 kpc ) (estimated)
- Apparent size v
- 1.8′ × 1.2′
via Wikipedia infobox
~1 min read
Encyclopedic overview
NGC 2340 is a large elliptical galaxy in the constellation of Lynx. Its velocity with respect to the cosmic microwave background is 6,008±9 km/s, which corresponds to a Hubble distance of 289.0 ± 20.3 Mly (88.61 ± 6.21 Mpc). However, six non-redshift measurements give a farther mean distance of 315.77 ± 44.34 Mly (96.817 ± 13.596 Mpc). It was discovered by German-British astronomer William Herschel on 9 February 1788.
NGC 2340 has a possible active galactic nucleus, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.
Excerpted from Wikipedia’s “NGC 2340” article, available under the CC BY-SA 4.0 licence.
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