WRAY 15-157

CONFIRMED MILKY WAY

Constellation
Puppis

Equatorial coordinates
α = 08 06 34.870
δ = -28 32 01.167

Galactic coordinates
l = 246.6048°
b = 1.9473°

Suspected	1984^Ref
Confirmed	1984^Ref
Symbiotic IR type	D'^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

WRAY 15-157	IRAS 08045-2823	GSC2.4.2 S64L000616	AAVSO 000-BJT-873
SIMBAD WRAY 15-157	Pan-STARRS 73751216453069859	SAO -	VSX 239251
GAIA DR3 5597659331053579008	SkyMapper 080634.87-283200.9	WRAY 15-157	GCVS -
2MASS J08063487-2832012	HIP -	Hen -	BD -
WISE J080634.87-283201.1	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Wray 157 (Conf.)	Belzcyński et al. (2001)	WRAY 15-157 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	Wra 157 (Conf.)	Akras et al. (2019)	WRAY 15-157 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	VDS 16 (Conf.)

Position

Right ascension (°)	121.6453^Ref	Parallax (mas)	0.177±0.014^Ref	Reddening E(B-V) (mag)	0.42±0.02^Ref ^{, Note}
Declination (°)	-28.5337^Ref	Distance (kpc)	5.65^Ref ^{, Note}, 5.39^Ref ^{, Note}
Galactic longitude (°)	246.6048^Ref	Proper motion in α (mas/yr)	-2.77±0.01^Ref
Galactic latitude (°)	1.9473^Ref	Proper motion in δ (mas/yr)	3.55±0.01^Ref

Observations

X-Ray	No^Ref	IR type	D'^Ref	Radio	Yes^Ref
X-Ray type	-	J (mag)	10.58^Ref	Flickering	No^Ref
GALEX FUV (mag)	-	H (mag)	9.80^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	9.47^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	8.81^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.74^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	4.10^Ref	IPmax (eV)	54.4^Ref
B (mag)	14.70^Ref	WISE W4 (mag)	2.16^Ref	[O III] lines	Yes^Ref
V (mag)	13.32^Ref	IRAS 12μm (Jy)	1.00^Ref	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	1.42^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	0.68^Ref	O VI lines	No^Ref
BP (mag)	13.53^Ref	IRAS 100μm (Jy)	1.34^Ref
G (mag)	12.71^Ref	AKARI S09 (Jy)	0.54^Ref
RP (mag)	11.81^Ref	AKARI S18 (Jy)	1.06^Ref

Orbit

Orbital period (days)	-	γ velocity (km/h)	91.26±3.08^Ref	Size of giant’s orbit (AU)	-
Eccentricity	-	RV of giant (km/h)	-	Separation (AU)	-
Inclination (°)	-	Inferior conj. of giant (JD)	-	Mass function	-
Eclipses	-			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	G5 III^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	D'^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

Type/Spectral type	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Fast rotator (Zamanov et al., 2008).

References

Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
Kenyon, S. J., Fernandez-Castro, T., Stencel, R. E., 1988, AJ, 95, 1817, 1988AJ.....95.1817K
Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
Zamanov, R. K., Bode, M. F., Melo, C. H. F. et al., 2008, MNRAS, 390, 1, 377, 2008MNRAS.390..377Z

Last updated: January 13, 2024