New Online Database of Symbiotic Variables: GaSS 1-30

Constellation
Sagittarius

Equatorial coordinates
α = 19 11 35.874
δ = -35 10 51.211

Galactic coordinates
l = 2.4086°
b = -19.0640°

Suspected	2021^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	accreting-only?^Ref
Outbursts	-

Identifiers

GaSS 1-30	IRAS -	GSC2.4.2 SCCZ000770	AAVSO -
SIMBAD TYC 7418-1935-1	Pan-STARRS -	SAO -	VSX 114498
GAIA DR3 6743509120456908160	SkyMapper 191135.87-351051.1	WRAY -	GCVS -
2MASS J19113587-3510508	HIP -	Hen -	BD -
WISE J191135.87-351051.0	TYC 7418-1935-1	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 (°)	287.8995^Ref	Parallax (mas)	0.180±0.019^Ref	Reddening E(B-V) (mag)	0.07±0.0^Ref ^{, Note}
Declination (°)	-35.1809^Ref	Distance (kpc)	5.6^Ref 4.64^Ref ^{, Note}, 4.48^Ref ^{, Note}
Galactic longitude (°)	2.4086^Ref	Proper motion in α (mas/yr)	-6.28±0.02^Ref
Galactic latitude (°)	-19.0640^Ref	Proper motion in δ (mas/yr)	-21.56±0.02^Ref

Observations

X-Ray	-	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	8.28^Ref	Flickering	No^Ref
GALEX FUV (mag)	-	H (mag)	7.51^Ref	Outbursts	-
GALEX NUV (mag)	22.39^Ref	K (mag)	7.26^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.98^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.91^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.52^Ref	IPmax (eV)	13.6^Ref
B (mag)	12.88^Ref	WISE W4 (mag)	6.20^Ref	[O III] lines	No^Ref
V (mag)	11.12^Ref	IRAS 12μm (Jy)	-	He II lines	No^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	11.52^Ref	IRAS 100μm (Jy)	-
G (mag)	10.58^Ref	AKARI S09 (Jy)	0.12^Ref
RP (mag)	9.62^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	-51.32±0.25^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	M0^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	S?^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	accreting-only?^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Candidate for the accreting-only symbiotic star selected from the GALAH high-resolution spectroscopic survey (Munari et al., 2021). A period of 354.3 days has been reported for this star in the VSX (Watson et al., 2006).

References

Munari, U., Traven, G., Masetti, N. et al., 2021, MNRAS, 505, 4, 6121, 2021MNRAS.505.6121M
Watson, C. L., Henden, A. A., Price, A., 2006, SASS, 25, 47, 2006SASS...25...47W

GaSS 1-30