ESO 306-17

ESO 306-17
ESO 306-17
	Image of ESO 306-17 by the Hubble Space Telescope; Release date: 4 March 2010
Observation data ( J2000.0 epoch)
Constellation	Columba
Right ascension	05h 40m 06.73s
Declination	−40° 50′ 10.6″
Redshift	0.035805±0.000083
Heliocentric radial velocity	10,734±25 km/s
Galactocentric velocity	10,544±26 km/s
Distance	517.3 ± 36.20 Mly (158.6 ± 11.1 Mpc)h−1; 0.6774; (Comoving) ; 506 Mly (155.1 Mpc)h−1; 0.6774; ( Light-travel)
Apparent magnitude (B)	13.36
Characteristics
Type	E+3
Size	1,070,000 ly × 706,100 ly; (328.04 kpc × 216.50 kpc); ( diameter; 90% total B-band light); 399,300 ly × 287,500 ly; (122.42 kpc × 88.15 kpc); ( diameter; "total" magnitude)
Apparent size (V)	2.5 ′ × 1.5 ′ ( V-band)
Other designations
	MCG -07-12-009, PGC 17570

ESO 306-17 is a fossil group giant elliptical galaxy in the Columba constellation, about 1.07 million light-years in diameter,^[2]^[4] and roughly 517 million light-years away.^[2]

The galaxy is situated alone in a volume of space about it. It is theorized that the galaxy cannibalized its nearest companions, hence, being a fossil group.^[5] The galaxy is a giant elliptical of type cD3^[2] (E+3), one of the largest types of galaxies.

Notes

^ ^a ^b The quoted diameter in this infobox was based on NED's provided scale " Virgo + GA + Shapley" of 769 pc/arcsec multiplied with given angular diameters.

References

^ ^a ^b ^c "Search specification: ESO 306-17". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-02-13.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k "Results for object NGC ESO 306-17 (ESO 306-17)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-13.
^ "ESO 306-17". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-13.
^ MSNBC, "A Giant Among Galaxies ?", Alan Boyle, 4 March 2010 (accessed 5 March 2010)
^ Astronomy Now, "Bully galaxy rules the neighbourhood", Emily Baldwin, 4 March 2010 (accessed 5 March 2010)

External links

Discovery News, "Bully for ESO 306-17", Jennifer Ouellette, 3 March 2010 (accessed 5 March 2010)
EurekAlert, "ACS Image of ESO 306-17" Archived 2010-05-16 at the Wayback Machine, Colleen Sharkey, 4 March 2010 (accessed 5 March 2010)

This elliptical galaxy article is a stub. You can help Wikipedia by expanding it.

[Size_correction-3] The quoted diameter in this infobox was based on NED's provided scale " Virgo + GA + Shapley" of 769 pc/arcsec multiplied with given angular diameters.

[LEDA-1] "Search specification: ESO 306-17". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-02-13.

[NED-2] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k "Results for object NGC ESO 306-17 (ESO 306-17)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-13.

[SIMBAD-4] "ESO 306-17". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-13.

[5] MSNBC, "A Giant Among Galaxies ?", Alan Boyle, 4 March 2010 (accessed 5 March 2010)

[6] Astronomy Now, "Bully galaxy rules the neighbourhood", Emily Baldwin, 4 March 2010 (accessed 5 March 2010)

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ESO 306-17
Image of ESO 306-17 by the Hubble Space Telescope Release date: 4 March 2010
Observation data ( J2000.0 epoch)
Constellation	Columba
Right ascension	05^h 40^m 06.73^s^[1]
Declination	−40° 50′ 10.6″^[1]
Redshift	0.035805±0.000083^[2]
Heliocentric radial velocity	10,734±25 km/s^[2]
Galactocentric velocity	10,544±26 km/s^[2]
Distance	517.3 ± 36.20 Mly (158.6 ± 11.1 Mpc)h⁻¹ _0.6774 (Comoving)^[2] 506 Mly (155.1 Mpc)h⁻¹ _0.6774 ( Light-travel)
Apparent magnitude (B)	13.36^[1]
Characteristics
Type	E+3^[2]
Size	1,070,000 ly × 706,100 ly (328.04 kpc × 216.50 kpc) ( diameter; 90% total B-band light)^[2]^[a] 399,300 ly × 287,500 ly (122.42 kpc × 88.15 kpc) ( diameter; "total" magnitude)^[2]^[a]
Apparent size (V)	2.5 ′ × 1.5 ′ ( V-band)^[2]
Other designations
MCG -07-12-009, PGC 17570^[3]