New Online Database of Symbiotic Variables: SS Sge

Constellation
Sagitta

Equatorial coordinates
α = 19 39 08.329
δ = +16 42 40.375

Galactic coordinates
l = 53.2058°
b = -2.5802°

Suspected	1981^Ref
Confirmed	-
Symbiotic IR type	-
Hot component type	-
Outbursts	Yes^Ref - SyN^Ref

Identifiers

SS Sge	IRAS -	GSC2.4.2 N27B013261	AAVSO 000-BCW-947
SIMBAD V* SS Sge	Pan-STARRS 128052947847333897	SAO -	VSX 27360
GAIA DR3 4321923442762185728	SkyMapper -	WRAY -	GCVS SS Sge
2MASS J19390834+1642405	HIP -	Hen -	BD -
WISE -	TYC -	ESO -	HD -

Symbiotic Catalogs

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

Position

Right ascension (°)	294.7847^Ref	Parallax (mas)	-0.697±0.251^Ref	Reddening E(B-V) (mag)	1.11±0.05^Ref ^{, Note}
Declination (°)	16.7112^Ref	Distance (kpc)	7.03^Ref ^{, Note}, 5.27^Ref ^{, Note}
Galactic longitude (°)	53.2058^Ref	Proper motion in α (mas/yr)	-2.25±0.22^Ref
Galactic latitude (°)	-2.5802^Ref	Proper motion in δ (mas/yr)	-6.16±0.28^Ref

Observations

X-Ray	No^Ref	IR type	-	Radio	-
X-Ray type	-	J (mag)	16.01^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	14.94^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	-	K (mag)	15.99^Ref	Outburst type	SyN^Ref
IUE	No^Ref	WISE W1 (mag)	-	Jets	-
FUSE	No^Ref	WISE W2 (mag)	-	Resolved nebula	No^Ref
U (mag)	-	WISE W3 (mag)	-	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	-	[O III] lines	No^Ref
V (mag)	-	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)	19.26^Ref	IRAS 100μm (Jy)	-
G (mag)	18.88^Ref	AKARI S09 (Jy)	-
RP (mag)	17.64^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	-	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	-	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

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

Links

SIMBAD CDS Portal

Notes

Listed in the symbiotic star compilation of Wallerstein (1981), this star displays a red featureless continuum and emission lines of He II (Duerbeck & Seitter, 1987). The light curve is noted to bear a resemblance to RT Ser, a symbiotic nova (Duerbeck, 1987).

References

Beljawsky, S., 1926, AN, 227, 423, 1926AN....227..423B
Duerbeck, H. W., Seitter, W. C., 1987, Ap&SS, 131, 1-2, 467, 1987Ap&SS.131..467D
Duerbeck, H. W., 1987, SSRv, 45, 1-2, 1, 1987SSRv...45....1D
Wallerstein, G., 1981, Obs, 101, 172, 1981Obs...101..172W

SS Sge