Maffei 2 - Misplaced Pages

Galaxy in the constellation Cassiopeia

Maffei 2
Image by Two Micron All Sky Survey (2MASS)
Observation data (J2000 epoch)
Constellation	Cassiopeia
Right ascension	02 41 55.1
Declination	+59° 36′ 15″
Redshift	-17 ± 5 km/s
Distance	9.8 Mly
Apparent magnitude (V)	16.0
Characteristics
Type	SAB(rs)bc
Apparent size (V)	15.2′ × 7.0′
Other designations
UGCA 39, PGC 10217, Sharpless 197

Maffei 2 is an intermediate spiral galaxy about 10 million light-years away in the constellation Cassiopeia. Maffei 2 and Maffei 1 were both discovered by Paolo Maffei in 1968 from their infrared emission. Maffei 2 lies in the Zone of Avoidance and is about 99.5% obscured by the Milky Way's foreground dust clouds, and as a result is barely detectable at optical wavelengths. It had been suggested soon after its discovery that Maffei 2 may be a member of the Local Group, but it is now thought to be a member of another nearby group, the IC 342/Maffei Group, the galaxy group that is the closest to the Local Group.

References

^ "NED results for object Maffei 2". NASA/IPAC Extragalactic Database. Retrieved 2006-11-25.
^ Karachentsev, I. D. (2005). "The Local Group and Other Neighboring Galaxy Groups". Astronomical Journal. 129 (1): 178–188. arXiv:astro-ph/0410065. Bibcode:2005AJ....129..178K. doi:10.1086/426368. S2CID 119385141.
"The Hidden Galaxy". NASA. Retrieved 2011-05-03.

External links

"Maffei 2". Spider. SEDS.
"Maffei 2". UA Astronomy. University of Alabama.
Maffei 2 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Nemiroff, R.; Bonnell, J., eds. (9 March 2010). "Galaxies Beyond the Heart: Maffei 1 and 2". Astronomy Picture of the Day. NASA.
"UGCA 39". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 25 March 2018.

v t e Sharpless catalog
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See also: Gum catalog Nebula RCW Catalogue Stewart Sharpless

Sharpless catalog

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Constellation of Cassiopeia

Stars

Bayer	α (Schedar) β (Caph) γ (Navi/Tsih) δ (Ruchbah) ε (Segin) ζ (Fulu) η (Achird) θ (Marfak) ι κ λ μ ν ξ ο π ρ σ τ υ υ (Castula) φ χ ψ ω
Flamsteed	1 2 4 6 9 10 12 42 47 48 (A) 49 50 54
Variable	R S TZ WZ YZ (21) AO AR PZ V373 V509 V547 V669 V705 V762 V863 V773 V987 V1022 V1405
HR	5 91 144 196 244 273 297 743 932 8832 8853 8881
HD	861 7924 7977 15558 17156 (Nushagak) 240210 240237 240429 240430
Other	BD+60°2522 Gliese 49 IRAS 23304+6147 LS I +61 303 PSR J0205+6449 Tycho G 4U 0142+61 WR 2 WR 3

Exoplanets	HD 7924 b HD 17156 b HD 219134 b c d e (h) f g HD 240210 b HD 240237 b

Star clusters	Messier 52 Messier 103 NGC 103 NGC 110 NGC 129 NGC 133 NGC 136 NGC 146 NGC 189 NGC 225 NGC 358 NGC 366 NGC 381 NGC 433 NGC 436 NGC 457 NGC 559 NGC 637 NGC 654 NGC 659 NGC 663 NGC 1027 NGC 7789 NGC 7790 Trumpler 3

Nebulae

NGC	281 7635
Other	3C 58 Cassiopeia A Heart Nebula IC 289 IC 1805 KjPn 8 LBN 114.55+00.22 Sh 2-185 Westerhout 5

Galaxies

NGC	147 185 278
Other	Andromeda VII 3C 20 3C 35 Dwingeloo 1 Dwingeloo 2 MB 3 IC 10 Maffei 1 Maffei 2 QSO B0153+744

Astronomical events	SN 1181 SN 1572 (B)

See also

References

External links