HD 172481

Constellation
Sagittarius

Equatorial coordinates
α = 18 41 36.962
δ = -27 57 01.299

Galactic coordinates
l = 6.7249°
b = -10.3721°

Suspected	2001^Ref
Re-classified	2001^Ref
Type	post-AGB star in a binary^Ref

Identifiers

HD 172481	IRAS 18384-2800	GSC2.4.2 S9U4092117	AAVSO 000-BFJ-982
SIMBAD HD 172481	Pan-STARRS 74462804039050070	SAO 187137	VSX 32428
GAIA DR3 4072427555640528000	SkyMapper 184136.96-275701.2	WRAY -	GCVS V4728 Sgr
2MASS J18413696-2757012	HIP -	Hen -	BD -
WISE J184136.97-275701.1	TYC 6866-928-1	ESO -	HD 172481

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 (°)	280.4040^Ref	Parallax (mas)	0.110±0.027^Ref	Reddening E(B-V) (mag)	0.17±0.0^Ref ^{, Note}
Declination (°)	-27.9504^Ref	Distance (kpc)	6^Ref 7.00^Ref ^{, Note}, 7.16^Ref ^{, Note}
Galactic longitude (°)	6.7249^Ref	Proper motion in α (mas/yr)	1.89±0.03^Ref
Galactic latitude (°)	-10.3721^Ref	Proper motion in δ (mas/yr)	-3.95±0.03^Ref

Links

SIMBAD CDS Portal

Notes

Suggested to be a possible symbiotic nova by Whitelock & Marang (2001), they detected the pulsating Mira variable as a companion to the peculiar F supergiant. Reyniers & van Winckel (2001) claimed that the hot star is a post-AGB star.

References

Giridhar, S., Arellano ferro, A., Mathias, P., 2001, BASI, 29, 289, 2001BASI...29..289G
Reyniers, M., van Winckel, H., 2001, Astrophysics and Space Science Library, 265, 283, 2001ASSL..265..283R
Whitelock, P. A., Marang, F., 2001, MNRAS, 323, 1, L13, 2001MNRAS.323L..13W