PPA J1808-2700

Constellation
Sagittarius

Equatorial coordinates
α = 18 08 01.488
δ = -27 00 15.997

Galactic coordinates
l = 4.1545°
b = -3.3098°

Suspected	2009^Ref
Re-classified	2013^Ref
Type	PN^Ref

Identifiers

PPA J1808-2700	IRAS -	GSC2.4.2 S9TN068405	AAVSO -
SIMBAD PN G004.1-03.3	Pan-STARRS 75592720062315008	SAO -	VSX 306015
GAIA DR3 4063075968768375936	SkyMapper 180801.49-270015.9	WRAY -	GCVS -
2MASS J18080149-2700158	HIP -	Hen -	BD -
WISE J180801.48-270015.9	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 (°)	272.0062^Ref	Parallax (mas)	0.077±0.029^Ref	Reddening E(B-V) (mag)	0.78±0.02^Ref ^{, Note}
Declination (°)	-27.0044^Ref	Distance (kpc)	6.95^Ref ^{, Note}, 6.98^Ref ^{, Note}
Galactic longitude (°)	4.1545^Ref	Proper motion in α (mas/yr)	0.01±0.03^Ref
Galactic latitude (°)	-3.3098^Ref	Proper motion in δ (mas/yr)	-7.92±0.02^Ref

Links

SIMBAD CDS Portal

Notes

Initially suspected of being a symbiotic star in by Miszalski et al. (2009), the object was later reclassified as a superposition of a planetary nebula and a red giant (Miszalski et al., 2013).

References

Miszalski, B., Acker, A., Moffat, A. F. J. et al., 2009, A&A, 496, 3, 813, 2009A&A...496..813M
Miszalski, B., Mikołajewska, J., Udalski, A., 2013, MNRAS, 432, 4, 3186, 2013MNRAS.432.3186M