WY Vel

Constellation
Vela

Equatorial coordinates
α = 09 21 59.124
δ = -52 33 51.570

Galactic coordinates
l = 274.1411°
b = -1.8169°

Suspected	1957^Ref
Re-classified	1969^Ref
Type	VV Cep star^Ref

Identifiers

WY Vel	IRAS 09203-5220	GSC2.4.2 S5N3001968	AAVSO 000-BCX-464
SIMBAD V* WY Vel	Pan-STARRS -	SAO 36888	VSX 37463
GAIA DR3 5313125719158014208	SkyMapper 092159.16-523351.7	WRAY -	GCVS WY Vel
2MASS J09215913-5233514	HIP -	Hen -	BD -
WISE J092159.14-523351.7	TYC 8584-2732-1	ESO -	HD 81137

Symbiotic Catalogs

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

Position

Right ascension (°)	140.4963^Ref	Parallax (mas)	0.519±0.089^Ref	Reddening E(B-V) (mag)	0.86±0.02^Ref ^{, Note}
Declination (°)	-52.5643^Ref	Distance (kpc)	2.03^Ref ^{, Note}, 2.21^Ref ^{, Note}
Galactic longitude (°)	274.1411^Ref	Proper motion in α (mas/yr)	-6.31±0.11^Ref
Galactic latitude (°)	-1.8169^Ref	Proper motion in δ (mas/yr)	4.54±0.10^Ref

Links

SIMBAD CDS Portal ARAS Database

Notes

Classified as M5ep+B and recognized as a well-known VV Cephei star in Sanduleak & Stephenson (1973). The spectral class M3 Ib was also confirmed by Munari et al. (2021). However, the star is included as a confirmed symbiotic star in the catalogs of Gaposchkin (1957) and Vaidis (1988). Additionally, it is classified as a confirmed symbiotic star in SIMBAD (Wenger et al., 2000), with a reference to GCVS.

References

Cowley, A. P., 1969, PASP, 81, 481, 297, 1969PASP...81..297C
Gaposchkin, C. H. P., 1957, Amsterdam, 1, 1957gano.book.....G
Munari, U., Traven, G., Masetti, N. et al., 2021, MNRAS, 505, 4, 6121, 2021MNRAS.505.6121M
Münch, L., 1956, BOTT, 2, 43, 1956BOTT....2n..43M
Sanduleak, N., Stephenson, C. B., 1973, ApJ, 185, 899, 1973ApJ...185..899S
Vaidis, J.-P., 1988, BAFOE, 45, 13, 1988BAFOE..45...13V
Wenger, M., Ochsenbein, F., Egret, D. et al., 2000, A&AS, 143, 9, 2000A&AS..143....9W