NGC 5394

NGC 5394 is a barred spiral galaxy located in the constellation Canes Venatici. Its speed relative to the cosmic microwave background is 3,639 ± 14 km/s, which corresponds to a Hubble distance of 53.7 ± 3.8 Mpc (~175 million ly).^[1] NGC 5394 was discovered by German-British astronomer William Herschel in 1787.

ConstellationCanes Venatici

Right ascension13h 58m 33s

Declination+37° 27′ 12″

Redshift0.011501

Quick facts Observation data (J2000 epoch), Constellation ...

NGC 5394
NGC 5394 (right) and NGC 5395 (left), as imaged by the Gemini North
Observation data (J2000 epoch)
Constellation	Canes Venatici
Right ascension	13h 58m 33s
Declination	+37° 27′ 12″
Redshift	0.011501
Heliocentric radial velocity	3,448 km/s
Distance	175 Mly (53.67 Mpc)
Apparent magnitude (B)	13.7
Absolute magnitude (V)	13.12
Surface brightness	23.78 mag/arcsec^2
Characteristics
Type	SBb
Size	96,900 ly (29.7 kpc estimated)
Apparent size (V)	1.9' x 1.3'
Other designations
PGC 49739, UGC 8898, VV 48b, Arp 84, IRAS 13564+3741, MCG +06-31-033, CGCG 191-024

Close

The luminosity class of NGC 5394 is II and it has a broad HI line. It also contains regions of ionized hydrogen. It is also a Luminous Infrared Galaxy (LIRG).^[1]

To date, one non-redshift-based measurement gives a distance of approximately 32,900 Mpc (~107 million ly).^[2] This value is far outside the Hubble distance values. Note that it is with the average value of independent measurements, when they exist, that the NASA/IPAC database calculates the diameter of a galaxy.

One supernova has been observed in NGC 5394: SN 2020aaxs (Type Ib, mag. 17.0483) was discovered by the Automatic Learning for the Rapid Classification of Events (ALeRCE) on 25 November 2020.^[3]