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Zwicky's Triplet
Observation data (Epoch )
Constellation(s)	Hercules
Right ascension	16 49 28.3
Declination	+45° 27′ 40″
Brightest member	NGC 6241

Zwicky's Triplet (Arp 103) is a group of three galaxies visible in the constellation Hercules.

The other Zwicky's Triplet

IC 3481 at 12h 32m, +11° 24' (2000.0) in Virgo, which is connected to PGC 41646 ("IC 3481A") as the system Arp 175, but probably not connected to IC 3483, is sometimes called Zwicky's Triplet, but this name is more often applied to the system at 16h 49m, +45° 30' (2000.0) in Hercules.

See also

• Wild's Triplet
• Robert's Quartet
• Stephan's Quintet
• NGC 7331 Group (also known as the Deer Lick Group, about half a degree northeast of Stephan's Quintet)
• Seyfert's Sextet
• Copeland Septet

References

1. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
2. ^ "Zwicky's Triplet". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-01-08.
3. SKY CATALOGUE 2000.0, Volume 2: Double Stars, Variable Stars and Nonstellar Objects (edited by Alan Hirshfeld and Roger W. Sinnott, 1985), page l
4. Steinicke, Wolfgang; Jakiel, Richard (January 4, 2007). Galaxies and How to Observe Them. Springer Science & Business Media. p. 194. ISBN 978-1-84628-699-5.
5. Zombeck, Martin V. (November 9, 2006). Handbook of Space Astronomy and Astrophysics. Cambridge University Press. p. 125. ISBN 978-1-139-45950-1.
6. SKY CATALOGUE 2000.0, Volume 2: Double Stars, Variable Stars and Nonstellar Objects (edited by Alan Hirshfeld and Roger W. Sinnott, 1985), page 362
7. Courtney Seligman, IC 3481

v t e Constellation of Hercules
Hercules–Corona Borealis Great Wall Hercules in Chinese astronomy List of stars in Hercules
Stars	Bayer α (Rasalgethi) β (Kornephoros) γ δ (Sarin) ε ζ η θ ι κ (Marsic) λ (Maasym) μ ν ξ ο π ρ σ τ υ φ χ ψ ψ ω (Cujam) Flamsteed 14 29 (h) 30 (g) 42 45 (l) 52 60 68 (u) 69 (e) 72 (w) 89 93 98 99 (b) 102 104 (A) 106 109 110 111 112 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6669 6697 6806 HD 146389 (Irena) 147506 (Hunor) 149026 (Ogma) 152843 154345 155358 156668 159062 164595 164922 Other BD +17° 3248 Furuhjelm 46 GD 362 Gliese 623 Gliese 638 Gliese 649 Gliese 686 GJ 3991 HAT-P-14 (Franz) HAT-P-18 HAT-P-67 Hercules X-1 GSC 02620-00648 Ross 640 TrES-3 (Pipoltr) TOI-561 TYC 1031-1262-1 WASP-103 WISE 1738+2732 WISE 1741+2553
Exoplanets 14 Herculis b c HAT-P-14b (Sissi) HD 149026 b (Smertrios) HD 164922 b c TOI-561 b WASP-103b
Star clusters Messier 13 Messier 92 NGC 6229 Palomar 14
Nebulae Abell 39 NGC 6210
Galaxies	NGC 6028 6039 6040 6041 6042 6043 6044 6045 6046 6047 6052 6053 6054 6055 6056 6057 6061 6078 6158 6166 6181 6207 6212 6239 6261 6263 6308 6452 6560 Other 1ES 1741+196 2MASX J16270254+4328340 3C 345 3C 346 A2261-BCG Arp 272 (NGC 6050 and IC 1179) AT2018cow IC 1182 IC 1189 Hercules Dwarf Hercules A IC 1192 IC 4617 Markarian 501 MCG+07-33-027 PGC 2046648 QSR J1819+3845 RX J1633.3+4718 UGC 11105
Galaxy clusters Abell 2152 Abell 2199 Hercules Cluster Hercules Superclusters Zwicky's Triplet
Astronomical events LBG-2377
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