New Online Database of Symbiotic Variables: WRAY 16-145

Constellation
Centaurus

Equatorial coordinates
α = 14 08 46.949
δ = -57 04 36.669

Galactic coordinates
l = 313.3281°
b = 4.2255°

Suspected	2016^Ref
Confirmed	2021^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

WRAY 16-145	IRAS -	GSC2.4.2 S7NG004472	AAVSO 000-BDK-885
SIMBAD WRAY 16-145	Pan-STARRS -	SAO -	VSX 8007
GAIA DR3 5871262663548636288	SkyMapper 140846.95-570436.5	WRAY 16-145	GCVS V0710 Cen
2MASS J14084699-5704367	HIP -	Hen -	BD -
WISE J140846.96-570436.6	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 (°)	212.1956^Ref	Parallax (mas)	0.091±0.034^Ref	Reddening E(B-V) (mag)	0.67±0.02^Ref ^{, Note}
Declination (°)	-57.0769^Ref	Distance (kpc)	8.08^Ref ^{, Note}, 6.68^Ref ^{, Note}
Galactic longitude (°)	313.3281^Ref	Proper motion in α (mas/yr)	-7.04±0.02^Ref
Galactic latitude (°)	4.2255^Ref	Proper motion in δ (mas/yr)	-3.93±0.04^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	9.11^Ref	Flickering	No^Ref
GALEX FUV (mag)	-	H (mag)	8.11^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.68^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.54^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.65^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.43^Ref	IPmax (eV)	54.4^Ref
B (mag)	15.18^Ref	WISE W4 (mag)	7.04^Ref	[O III] lines	No^Ref
V (mag)	14.32^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	14.45^Ref	IRAS 100μm (Jy)	-
G (mag)	12.79^Ref	AKARI S09 (Jy)	0.08^Ref
RP (mag)	11.51^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	-	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	M4 III^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	243^Ref
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

Classified as a symbiotic star candidate in the HASH Database of PNe (Parker et al., 2016). Previously noted as a possible long-period variable (Kooreman, 1960), it has been confirmed as a symbiotic star by Lucy (2021).

References

Kooreman, C. J., 1960, AnLei, 21, 343, 1960AnLei..21..343K
Lucy, A. B., 2021, PhDT, 1, 2021PhDT........17L
Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P

WRAY 16-145