SMP LMC 31

Constellation
Dorado

Equatorial coordinates
α = 05 09 20.209
δ = -67 47 25.098

Galactic coordinates
l = 278.4666°
b = -34.5494°

Suspected	2017^Ref
Re-classified	2020^Ref
Type	PN/[WC] star^Ref

Identifiers

SMP LMC 31	IRAS 05094-6751	GSC2.4.2 S1HJ061080	AAVSO -
SIMBAD SMP LMC 31	Pan-STARRS -	SAO -	VSX -
GAIA DR3 4661418926551947008	SkyMapper 050920.18-674725.1	WRAY -	GCVS -
2MASS J05092022-6747250	HIP -	Hen -	BD -
WISE J050920.19-674725.0	TYC -	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 (°)	77.3342^Ref	Parallax (mas)	-0.077±0.120^Ref	Reddening E(B-V) (mag)	0.23±0.05^Ref ^{, Note}
Declination (°)	-67.7903^Ref	Distance (kpc)	49.97±0.19^Ref 5.55^Ref ^{, Note}, 4.47^Ref ^{, Note}
Galactic longitude (°)	278.4666^Ref	Proper motion in α (mas/yr)	1.68±0.13^Ref
Galactic latitude (°)	-34.5494^Ref	Proper motion in δ (mas/yr)	0.11±0.16^Ref

Links

SIMBAD CDS Portal

Notes

Suspected to be a symbiotic binary in Iłkiewicz & Mikołajewska (2017) based on the position of the star in the [O III] diagnostic diagrams. However, Hajduk (2020) failed to detect a red giant in the object and therefore reclassified the object as a young planetary nebula.

References

Hajduk, M., 2020, A&A, 642, A71, 2020A&A...642A..71H
Iłkiewicz, K., Mikołajewska, J., 2017, A&A, 606, A110, 2017A&A...606A.110I