New Online Database of Symbiotic Variables: [KW2003] 97

Constellation
Sagittarius

Equatorial coordinates
α = 18 11 54.512
δ = -24 35 36.272

Galactic coordinates
l = 6.6925°
b = -2.9165°

Suspected	2019^Ref
Confirmed	2021^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

[KW2003] 97	IRAS -	GSC2.4.2 S9SF005289	AAVSO -
SIMBAD [KW2003] 97	Pan-STARRS 78482729771678271	SAO -	VSX -
GAIA DR3 4065437955878489856	SkyMapper 181154.51-243536.2	WRAY -	GCVS -
2MASS J18115453-2435360	HIP -	Hen -	BD -
WISE J181154.52-243536.2	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 (°)	272.9771^Ref	Parallax (mas)	0.150±0.041^Ref	Reddening E(B-V) (mag)	1.54±0.08^Ref ^{, Note}
Declination (°)	-24.5934^Ref	Distance (kpc)	4.94^Ref ^{, Note}, 5.34^Ref ^{, Note}
Galactic longitude (°)	6.6925^Ref	Proper motion in α (mas/yr)	-8.78±0.05^Ref
Galactic latitude (°)	-2.9165^Ref	Proper motion in δ (mas/yr)	-9.82±0.04^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	10.57^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	9.25^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.71^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	8.45^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	8.41^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.92^Ref	IPmax (eV)	114^Ref
B (mag)	-	WISE W4 (mag)	7.12^Ref	[O III] lines	No^Ref
V (mag)	17.10^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	Yes^Ref
BP (mag)	17.31^Ref	IRAS 100μm (Jy)	-
G (mag)	14.90^Ref	AKARI S09 (Jy)	-
RP (mag)	13.51^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	113.95±4.97^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	M^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	shell-burning^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Previously classified as a potential symbiotic star by Akras et al. (2019) based on a machine learning approach. Spectroscopic observations presented by Akras et al. (2021) confirmed the symbiotic nature.

References

Akras, S., Gonçalves, D. R., Alvarez-Candal, A. et al., 2021, MNRAS, 502, 2, 2513, 2021MNRAS.502.2513A
Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A

[KW2003] 97