WRAY 15-1470

CONFIRMED MILKY WAY

Constellation
Scorpius

Equatorial coordinates
α = 16 23 21.637
δ = -27 40 10.391

Galactic coordinates
l = 350.0611°
b = 15.2376°

Suspected	1973^Ref
Confirmed	1978^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

WRAY 15-1470	IRAS -	GSC2.4.2 S8R1065746	AAVSO 000-BJT-541
SIMBAD Haro 1-2	Pan-STARRS 74792458403466792	SAO -	VSX 239253
GAIA DR3 6045084181848691456	SkyMapper 162321.64-274010.3	WRAY 15-1470	GCVS -
2MASS J16232166-2740101	HIP -	Hen 3-1187	BD -
WISE J162321.64-274010.3	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Wray 1470 (Conf.)	Belzcyński et al. (2001)	WRAY 15-1470 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	Wra 1470 (Conf.)	Akras et al. (2019)	WRAY 15-1470 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	VDS 59 (Conf.)

Position

Right ascension (°)	245.8402^Ref	Parallax (mas)	0.030±0.023^Ref	Reddening E(B-V) (mag)	0.49±0.01^Ref ^{, Note}
Declination (°)	-27.6696^Ref	Distance (kpc)	12.50^Ref ^{, Note}, 11.97^Ref ^{, Note}
Galactic longitude (°)	350.0611^Ref	Proper motion in α (mas/yr)	-6.63±0.03^Ref
Galactic latitude (°)	15.2376^Ref	Proper motion in δ (mas/yr)	-4.36±0.02^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	Yes^Ref
X-Ray type	-	J (mag)	9.02^Ref	Flickering	No^Ref
GALEX FUV (mag)	-	H (mag)	8.06^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.67^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.40^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.35^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.92^Ref	IPmax (eV)	54.4^Ref
B (mag)	14.57^Ref	WISE W4 (mag)	6.00^Ref	[O III] lines	No^Ref
V (mag)	13.76^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	13.33^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	13.19^Ref	IRAS 100μm (Jy)	-
G (mag)	12.11^Ref	AKARI S09 (Jy)	-
RP (mag)	10.96^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	561±27^Ref	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	Min (I) = 2451845 + 561±27 x E^Ref

Cool component

Spectral type	M4 III^Ref, M6 III^Ref, M3 III^Ref	Mass (M_⊙)	1.077^Ref	Pulsation	Yes^Ref
Eff. temperature (K)	3235^Ref, 3600^Ref	Radius (R_⊙)	53.224^Ref	Type	SR^Ref
IR type	S^Ref	Luminosity (L_⊙)	3693^Ref	Pulsation period (days)	92±1^Ref
Metallicity [Fe/H]	-0.26±0.08^Ref			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 ARAS Database

Notes

References

Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
Gałan, C., Mikołajewska, J., Hinkle, K. H. et al., 2017, MNRAS, 466, 2, 2194, 2017MNRAS.466.2194G
Gromadzki, M., Mikołajewska, J., Soszyński, I., 2013, AcA, 63, 4, 405, 2013AcA....63..405G
Huber, D., Bryson, S. T., Haas, M. R. et al., 2016, ApJS, 224, 1, 2, 2016ApJS..224....2H
Luna, G. J. M., Sokoloski, J. L., Mukai, K. et al., 2013, A&A, 559, A6, 2013A&A...559A...6L
Medina Tanco, G. A., Steiner, J. E., 1995, AJ, 109, 1770, 1995AJ....109.1770M
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
Sanduleak, N., Stephenson, C. B., 1973, ApJ, 185, 899, 1973ApJ...185..899S

Last updated: January 13, 2024