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NGC 7427
The lenticular galaxy NGC 7427
Observation data (J2000 epoch)
Constellation	Pegasus
Right ascension	22 57 09.9277
Declination	+08° 30′ 20.435″
Redshift	0.032376
Heliocentric radial velocity	9706 ± 24 km/s
Distance	449.1 ± 31.5 Mly (137.70 ± 9.66 Mpc)
Apparent magnitude (V)	15.1
Characteristics
Type	SO
Size	~97,100 ly (29.76 kpc) (estimated)
Apparent size (V)	0.7' x 0.7'
Other designations
2MASX J22570990+0830200, MCG +01-58-016, Mrk 521, PGC 70091, CGCG 405-018

NGC 7427 is a lenticular galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is 9336 ± 35 km/s, which corresponds to a Hubble distance of 137.70 ± 9.66 Mpc (∼449 million light-years). It was discovered by Russian astronomer Otto Wilhelm von Struve on 22 November 1865.

Supernovae

Two supernovae have been observed in NGC 7427:

• SN 2019uzd (type Ia, mag 18.94) was discovered by the Automatic Learning for the Rapid Classification of Events (ALeRCE) on 16 November 2019.
• SN 2023uma (type Ia, mag 18.13) was discovered by the Zwicky Transient Facility on 9 October 2023.

See also

• List of NGC objects (7001–7840)

References

1. ^ "Results for NGC 7427". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 3 August 2024.
2. Seligman, Courtney. "New General Catalogue Objects: NGC 7427". Celestial Atlas. Retrieved 15 December 2024.
3. "SN 2019uzd". Transient Name Server. IAU. Retrieved 15 December 2024.
4. "SN 2023uma". Transient Name Server. IAU. Retrieved 15 December 2024.

External links

• Media related to NGC 7427 at Wikimedia Commons
• NGC 7427 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Constellation of Pegasus
Pegasus in Chinese astronomy List of stars in Pegasus
Stars	Bayer α (Markab) β (Scheat) γ (Algenib) δ (Alpheratz) ε (Enif) ζ (Homam) η (Matar) θ (Biham) ι κ λ μ (Sadalbari) ν ξ ο π π ρ σ τ (Salm) υ (Alkarab) φ χ ψ Flamsteed 1 2 3 4 5 7 9 11 12 13 14 15 16 17 18 19 20 21 23 25 28 30 31 32 33 34 35 36 37 38 39 40 41 45 51 (Helvetios) 52 55 56 57 58 59 60 61 63 64 65 66 67 69 70 71 72 73 74 75 76 77 78 79 80 82 83 85 86 87 23 Psc 34 Vul Variable R S U W Z RU RV RZ SV TW TY AG AQ AT AU AV AW BB BH BK BO BP BX BY DH DI DY EE EF EQ EZ GT GX HN HO HP HR HX II IK IM IP KT KU LL LO LS MS MT NV NZ OY PT V342 V343 V354 V363 V372 V376 V391 HR 19 49 8116 8219 8221 8231 8250 8257 8258 8274 8292 8325 8341 8348 8358 8359 8364 8372 8391 8397 8412 8415 8435 8441 8455 8456 8458 8460 8461 8466 8475 8482 8491 8503 8514 8543 8555 8564 8587 8604 8605 8608 8631 8638 8642 8737 8784 8788 8792 8824 8831 8833 8838 8839 8873 8922 8942 8953 8970 9039 9055 9078 9109 HD 434 204603 205011 205422 205603 206689 206793 208897 209709 210890 211076 213025 215549 215733 219196 219828 220288 220773 221170 221493 225292 Other BD+14 4559 (Solaris) BD +17 4708 BD +28 4211 GD 246 Gl 829 Gl 880 HAT-P-8 NGC 8 NGC 18 NGC 30 PG 2131+066 PG 2303+243 PSR B2127+11C PSR B2303+30 Q2343-BX418 WASP-10 WASP-21 (Tangra) WASP-52 (Anadolu) WASP-59 WASP-60 (Morava) X2127+119 3C 454.3
Exoplanets 51 Pegasi b (Dimidium) WASP-10b BD+14 4559 b (Pirx) TOI-5678 b HD 209458 b HR 8799 b c d e
Star clusters	Other Balbinot 1 Messier 15
Nebulae	Other Pease 1
Galaxies	NGC 1 2 9 14 15 16 22 23 26 41 42 52 7033 7034 7042 7043 7053 7056 7066 7068 7074 7085 7190 7217 7236 7237 7303 7312 7315 7317 7318 7319 7320 7320c 7331 7332 7427 7448 7454 7457 7466 7469 7479 7610 7619 7625 7673 7674 7678 7720 7726 7735 7741 7742 NGC 7752 NGC 7753 7767 7769 7773 7800 7814 Other BX442 CTA-102 Einstein Cross Huchra's lens IC 5145 IC 5337 Markarian 335 Pegasus Dwarf Irregular Galaxy Pegasus Dwarf Spheroidal Galaxy Q2343-BX418
Galaxy clusters Abell 2390 NGC 7331 Group Stephan's Quintet
Astronomical events SN 1990U SN 2008ha SN 2013fs
Category

• NGC objects
• Principal Galaxies Catalogue objects
• Pegasus (constellation)
• Astronomical objects discovered in 1865
• MCG objects
• Lenticular galaxies
• Markarian galaxies