New Online Database of Symbiotic Variables: SB 11

Constellation
Sagittarius

Equatorial coordinates
α = 18 20 44.529
δ = -27 15 48.361

Galactic coordinates
l = 5.2674°
b = -5.9255°

Suspected	2016^Ref
Confirmed	-
Symbiotic IR type	D?^Ref
Hot component type	-
Outbursts	-

Identifiers

SB 11	IRAS 18176-2717	GSC2.4.2 S9TQ146898	AAVSO -
SIMBAD PN G005.2-05.9	Pan-STARRS 75282751855354175	SAO -	VSX -
GAIA DR3 4052311127068383616	SkyMapper -	WRAY -	GCVS -
2MASS J18204453-2715483	HIP -	Hen -	BD -
WISE J182044.52-271548.2	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 (°)	275.1855^Ref	Parallax (mas)	-0.679±0.290^Ref	Reddening E(B-V) (mag)	0.37±0.01^Ref ^{, Note}
Declination (°)	-27.2634^Ref	Distance (kpc)	6.87^Ref ^{, Note}, 6.94^Ref ^{, Note}
Galactic longitude (°)	5.2674^Ref	Proper motion in α (mas/yr)	-1.69±0.27^Ref
Galactic latitude (°)	-5.9255^Ref	Proper motion in δ (mas/yr)	-4.62±0.20^Ref

Observations

X-Ray	-	IR type	D?^Ref	Radio	-
X-Ray type	-	J (mag)	12.41^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	9.60^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.61^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	4.58^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	3.16^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	1.03^Ref	IPmax (eV)	14.5^Ref
B (mag)	-	WISE W4 (mag)	0.02^Ref	[O III] lines	No^Ref
V (mag)	-	IRAS 12μm (Jy)	4.79^Ref	He II lines	No^Ref
R (mag)	-	IRAS 25μm (Jy)	2.86^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	0.77^Ref	O VI lines	No^Ref
BP (mag)	18.96^Ref	IRAS 100μm (Jy)	4.07^Ref
G (mag)	17.95^Ref	AKARI S09 (Jy)	8.69^Ref
RP (mag)	16.24^Ref	AKARI S18 (Jy)	8.83^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	-			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	-	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	D?^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	-	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Designated as a symbiotic star candidate in the HASH Database of PNe (Parker et al., 2016), this star displays Hα and [N II] lines in the red part of the spectrum.

References

Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P

SB 11