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NGC 5394
NGC 5394 (right) and NGC 5395 (left), as imaged by the Hubble Space Telescope
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

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). NGC 5394 was discovered by German-British astronomer William Herschel in 1787.

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).

To date, one non-redshift-based measurement gives a distance of approximately 32,900 Mpc (∼107 million ly). 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).

Arp 84

NGC 5394 and NGC 5395 are a pair of gravitationally interacting galaxies that appear in Halton Arp's Atlas of Peculiar Galaxies under the designation Arp 84. Arp noted that NGC 5495 is a spiral with a high surface luminosity companion at the end of one of its arms.

NGC 5395 group

According to A.M. Garcia, NGC 5394 is part of a group of galaxies that has at least five members, the NGC 5395 group. The other galaxies are NGC 5341, NGC 5351, NGC 5395 and UGC 8806.

See also

• NGC 646, another interacting galaxy with a similar shape
• List of NGC objects (5001–6000)

External links

• NGC 5394 at NASA/IPAC
• NGC 5394 at SIMBAD
• NGC 5394 at LEDA
• NGC 5394 at SEDS
• NGC 5394 (DSS2) at WikiSky
• NGC 5394 (SDSS) at WikiSky
• NGC 5394 (GALEX) at WikiSky

References

1. ^ "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-24.
2. "NED Query Results for NGC 5393". ned.ipac.caltech.edu. Retrieved 2024-07-24.
3. Transient Name Server entry for SN 2020aaxs. Retrieved 23 July 2024.
4. ^ Arp, Halton (1966-11-01). "Atlas of Peculiar Galaxies". The Astrophysical Journal Supplement Series. 14: 1. doi:10.1086/190147. ISSN 0067-0049.
5. Garcia, A. M. (1993-07-01). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47–90. ISSN 0365-0138.

v t e Constellation of Canes Venatici
Canes Venatici in Chinese astronomy Giant Void List of stars in Canes Venatici
Stars	Bayer α α (Cor Caroli) β (Chara) Flamsteed 4 5 6 10 19 20 21 24 25 Variable R Y (La Superba) RS AM AW BH DG HR 4997 Other Gliese 521 HAT-P-12 HAT-P-36 (Tuiren) CWISE J1249+3621
Exoplanets HAT-P-12b
Star clusters Messier 3
Galaxies	Messier 51 a (Whirlpool Galaxy) b 63 94 106 NGC 4111 4138 4145 4151 4163 4183 4214 4217 4242 4244 4395 4399 4400 4401 4449 4485 4490 4534 4618 4625 4627 4631 4656 4657 4707 4800 4861 5002 5003 5005 5023 5033 5112 5223 5229 5238 5273 5371 5394 Numbered I II Other 3C 285 3C 286 3C 288 B2 1308+326 DDO 169 IC 883 IC 4182 IC 4263 IC 4271 I Zwicky 36 KKR 03 4C +41.26 TON 618
Galaxy clusters Canes II Group M51 Group M94 Group NGC 4631 Group
Astronomical events GRB 090429B SN 1994I SN 2005cs SN 2008ax
Category

• Barred spiral galaxies
• Interacting galaxies
• Arp objects
• Canes Venatici
• Discoveries by William Herschel
• Principal Galaxies Catalogue objects
• UGC objects
• IRAS catalogue objects
• Astronomical objects discovered in 1787
• NGC objects