SS73 117

CONFIRMED MILKY WAY

Constellation
Sagittarius

Equatorial coordinates
α = 18 02 23.092
δ = -31 59 12.972

Galactic coordinates
l = 359.1915°
b = -4.6582°

Suspected	1978^Ref
Confirmed	1984^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

SS73 117	IRAS -	GSC2.4.2 S9SJ159410	AAVSO 000-BJT-846
SIMBAD OGLE BLG-LPV-186808	Pan-STARRS -	SAO -	VSX 241065
GAIA DR3 4043720887598592512	SkyMapper -	WRAY -	GCVS -
2MASS J18022309-3159127	HIP -	Hen -	BD -
WISE J180223.10-315912.9	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	SS 117 (Conf.)	Belzcyński et al. (2001)	SS73 117 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	SS 117 (Conf.)	Akras et al. (2019)	SS73 117 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	VDS 112 (Conf.)

Position

Right ascension (°)	270.5962^Ref	Parallax (mas)	-0.051±0.093^Ref	Reddening E(B-V) (mag)	0.63±0.02^Ref ^{, Note}
Declination (°)	-31.9869^Ref	Distance (kpc)	7.80^Ref ^{, Note}, 7.45^Ref ^{, Note}
Galactic longitude (°)	359.1915^Ref	Proper motion in α (mas/yr)	-6.20±0.09^Ref
Galactic latitude (°)	-4.6582^Ref	Proper motion in δ (mas/yr)	-7.79±0.07^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	Yes^Ref
X-Ray type	-	J (mag)	9.22^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.05^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.37^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.65^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.19^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	5.46^Ref	IPmax (eV)	114^Ref
B (mag)	14.32^Ref	WISE W4 (mag)	4.91^Ref	[O III] lines	Yes^Ref
V (mag)	13.30^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	Yes^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	16.32^Ref	IRAS 100μm (Jy)	-
G (mag)	14.65^Ref	AKARI S09 (Jy)	-
RP (mag)	13.18^Ref	AKARI S18 (Jy)	0.17^Ref

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	Yes?^Ref			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	M6^Ref, M5^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	179±5^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 ARAS Database

Notes

References

Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
Kenyon, S. J., 1986, Cambridge: University Press, 1, 1986syst.book.....K
Medina Tanco, G. A., Steiner, J. E., 1995, AJ, 109, 1770, 1995AJ....109.1770M
Wright, A. E., Allen, D. A., 1978, MNRAS, 184, 893, 1978MNRAS.184..893W

Last updated: November 5, 2019