MWC 342

Constellation
Cygnus

Equatorial coordinates
α = 20 23 03.613
δ = +39 29 49.826

Galactic coordinates
l = 77.6162°
b = 1.3022°

Suspected	2013^Ref
Re-classified	2013^Ref
Type	B[e] star?^Ref

Identifiers

MWC 342	IRAS 20212+3920	GSC2.4.2 N340001727	AAVSO 000-BDP-718
SIMBAD EM* MWC 342	Pan-STARRS 155393057651716848	SAO -	VSX 12892
GAIA DR3 2061430134240761728	SkyMapper -	WRAY -	GCVS V1972 Cyg
2MASS J20230361+3929498	HIP -	Hen 3-1892	BD -
WISE J202303.59+392949.6	TYC 3156-42-1	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	-
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	305.7651^Ref	Parallax (mas)	0.566±0.012^Ref	Reddening E(B-V) (mag)	1.82±0.14^Ref ^{, Note}
Declination (°)	39.4972^Ref	Distance (kpc)	1.68^Ref ^{, Note}, 1.69^Ref ^{, Note}
Galactic longitude (°)	77.6162^Ref	Proper motion in α (mas/yr)	-2.95±0.01^Ref
Galactic latitude (°)	1.3022^Ref	Proper motion in δ (mas/yr)	-5.88±0.02^Ref

Links

SIMBAD CDS Portal

Notes

In SIMBAD (Wenger et al., 2000), the nature of MWC 342 is mentioned as "unclear," suggesting the possibility of it being an Ae/Be star or a symbiotic binary. However, the paper by Kučerová et al. (2013) does not support the symbiotic classification for MWC 342.

References

Kučerová, B., Korčáková, D., Polster, J. et al., 2013, A&A, 554, A143, 2013A&A...554A.143K
Wenger, M., Ochsenbein, F., Egret, D. et al., 2000, A&AS, 143, 9, 2000A&AS..143....9W