3C 390.3

Galaxy in the constellation Draco

3C 390.3

Observation data (J2000 epoch)
Constellation	Draco
Right ascension	18^h 42^m 08.9899^s^[1]
Declination	+79° 46′ 17.128″^[1]
Redshift	0.056159 ± 0.000464^[1]
Apparent magnitude (V)	14.64
Characteristics
Type	S0^[1]
Apparent size (V)	0.4'X0.32'
Other designations
LEDA 62274, 4C 79.18, PCG 62274

3C 390.3 is a broad-line radio galaxy located in the constellation Draco. It is also a Seyfert 1 galaxy which is an X-ray source.^[2]

References

^ ^a ^b ^c ^d "NASA/IPAC Extragalactic Database". Results for 3C 390.3. Retrieved 2006-10-26.
^ "3CR 390.3 -- Seyfert 1 Galaxy".

External links

Simbad
3CRR atlas: 3C390.3

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Constellation of Draco

Stars

Bayer	α (Thuban) β (Rastaban) γ (Eltanin) δ (Altais) ε (Tyl) ζ (Aldhibah) η (Athebyne) θ ι (Edasich) κ λ (Giausar) μ (Alrakis) ν (Kuma) ξ (Grumium) ο π ρ σ (Alsafi) τ υ φ χ ψ¹ (Dziban) ψ² ω
Flamsteed	6 7 (Tianyi) 8 (Taiyi) 10 (i) 15 (A) 18 (g) 19 (h) 26 36 39 (b) 42 (Fafnir) 45 (d) 64 (e) 68
Variable	TW AG BY CL CM CX DO V581
HR	3751 4126 4934 5811 6237 6618 (Alruba) 6817 7137 7783
HD	101364 156279 158259 176693 191939
Other	2MASS 1237+6526 2MASS J17554042+6551277 G 240-72 GD 356 Gliese 420 Gliese 625 Gliese 687 GRW +70 8247 Kepler-4 Kepler-10 Kepler-12 Kepler-90 Kepler-296 LP 71-82 Qatar-1 Struve 2398 TOI-1136 WISE 1647+5632

Exoplanets	Orbitar HD 139357 b HD 167042 b Hypatia Kepler-4b Kepler-10b c Kepler-12b Kepler-90e f g h i TOI-1452 b TrES-2b

Star clusters	LAMOST 1

Nebulae	Abell 50 Cat's Eye Nebula

NGC	3147 4121 4125 4236 4319 4345 4513 4589 5678 5777 5866 5866B 5879 5906 5907 5949 5963 5965 5982 5985 6090 6248 6285 6286 6340 6365 6373 6394 6412 6503 6566 6621 6622 6670 6786 6789
Other	3C 249.1 3C 305 3C 319 3C 371 3C 390.3 3C 401 H1821+643 HFLS3 KKR 25 PGC 39058 UGC 9391

Galaxy clusters	Abell 2218 CL1358+62 Draco Supercluster

Astronomical events	Swift J1644+57 SN 2005B SN 2016aps

Category

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