IC 447

Reflection nebula in the constellation of Monoceros

Dreyer's Nebula
Reflection nebula

Observation data: J2000 epoch
Right ascension	06^h 31^m 12.0^s
Declination	+10° 02′ 00″
Apparent dimensions (V)	~25 arcminutes dia.
Constellation	Monoceros
Physical characteristics
Radius	0.25 x 0.9 ly

Designations	Dreyer's Nebula, IC 447, IC 2169
See also: Lists of nebulae

IC 447 is a reflection nebula located in the constellation Monoceros.^[1] It includes several massive B-type stars and forms one end of the Monoceros R1 star-forming filament, with IC 446 at the opposite end.^[2] IC 447 may have been formed by more massive members of the young open cluster Collinder 95.^[3]

References

^ "IC 447 - HII Ionized region in Monoceros | TheSkyLive.com". theskylive.com. Retrieved 2024-05-13.
^ Bhadari, N. K.; et al. (August 2020), "Star-forming Sites IC 446 and IC 447: An Outcome of End-dominated Collapse of Monoceros R1 Filament", The Astrophysical Journal, 899 (2), id. 167, arXiv:2006.13894, Bibcode:2020ApJ...899..167B, doi:10.3847/1538-4357/aba2c6.
^ Lim, Beomdu; et al. (June 2022), "A Gaia View on the Star Formation in the Monoceros OB1 and R1 Associations", The Astronomical Journal, 163 (6), id. 266, arXiv:2204.00444, Bibcode:2022AJ....163..266L, doi:10.3847/1538-3881/ac63b6.

External links

IC 447 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
NGC/IC Data for IC 447

Constellation of Monoceros

Stars

Bayer	α β γ δ ε ζ
Flamsteed	1 2 3 6 7 9 10 12 13 14 16 17 18 19 20 21 23 24 25 27 28 77 Ori 78 Ori
Variable	R S (15) T U V RU RW SV TU UX VV VY AO AR AU AX BE BN BT BX CL CS CV CW DD FU GI IM PZ V372 V396 V474 V505 V569 V577 V578 V582 V588 V589 V590 V592 V614 V616 V638 V640 V641 V644 V653 V682 V684 V689 V694 V695 V696 V700 V715 V721 V723 V728 V731 V739 V743 V750 V753 V827 V838 V926
HR	2150 2154 2179 2205 2224 2234 2237 2267 2270 2280 2292 2300 2313 2317 2321 2324 2325 2328 2333 2342 2347 2355 2367 2370 2375 2378 2381 2386 2395 2406 2409 2418 2426 2430 2440 2458 2461 2467 2469 2474 2479 2502 2508 2514 2521 2530 2543 2551 2555 2570 2572 2577 2582 2584 2589 2599 2606 2610 2613 2624 2627 2636 2639 2647 2655 2656 2663 2676 2694 2731 2732 2739 2752 2765 2806 2807 2811 2833 2865 2866 2867 2876 2883 2920 2958 3014 3047 3054 3072 3150 3172 3174 3189
HD	42132 44179 44219 45090 45166 45215 45652 (Lusitânia) 46149 46150 46202 46223 46375 46966 48099 50064 50138 50281 52265 (Citalá) 65938 66428
Other	A0620-00 AFGL 961 CoRoT-1 CoRoT-4 CoRoT-5 CoRoT-7 CoRoT-12 CoRoT-13 CoRoT-14 CoRoT-15 CoRoT-18 CoRoT-19 CoRoT-20 CoRoT-21 CoRoT-24 Gliese 282 Monoceros R2 IRS 3 NGC 2264 IRS 1 Ross 614 Scholz's SCR 0640−0552 UGPS J0652+0324 UGPS J0722−0540

Exoplanets	CoRoT-1b CoRoT-4b CoRoT-5b CoRoT-7b CoRoT-7c CoRoT-7d CoRoT-12b CoRoT-13b CoRoT-14b CoRoT-15b CoRoT-18b CoRoT-19b CoRoT-20b CoRoT-20c CoRoT-21b CoRoT-24b CoRoT-24c HD 44219 b HD 45652 b (Viriato) HD 46375 b HD 52265 b (Cayahuanca)