New Online Database of Symbiotic Variables: V5759 Sgr

Constellation
Sagittarius

Equatorial coordinates
α = 18 05 33.728
δ = -20 20 38.225

Galactic coordinates
l = 9.7015°
b = 0.4239°

Suspected	1950^Ref
Confirmed	1978^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	Yes^Ref - Z And^Ref

Identifiers

V5759 Sgr	IRAS 18026-2025	GSC2.4.2 S9J7029417	AAVSO 000-BCB-213
SIMBAD EM* AS 270	Pan-STARRS 83582713905827600	SAO -	VSX 108994
GAIA DR3 4094925625089320704	SkyMapper -	WRAY -	GCVS V5759 Sgr
2MASS J18053373-2020379	HIP -	Hen 3-1581	BD -
WISE J180533.73-202038.1	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	F 6-7 (Conf.)	Allen (1984)	AS 270 (Conf.)	Belzcyński et al. (2001)	AS 270 (Conf.)
Gaposchkin (1957)	F 6-7 (Conf.)	Kenyon (1986)	AS 270 (Conf.)	Akras et al. (2019)	AS 270 (Conf.)
Boyarchuk (1969)	F 6-7 (Susp.)	Vaidis (1988, 1991)	VDS 116 (Conf.)

Position

Right ascension (°)	271.3905^Ref	Parallax (mas)	0.393±0.041^Ref	Reddening E(B-V) (mag)	7.28±0.62^Ref ^{, Note}
Declination (°)	-20.3440^Ref	Distance (kpc)	0.7^Ref, 1.1^Ref 2.46^Ref ^{, Note}, 2.47^Ref ^{, Note}
Galactic longitude (°)	9.7015^Ref	Proper motion in α (mas/yr)	-1.26±0.05^Ref
Galactic latitude (°)	0.4239^Ref	Proper motion in δ (mas/yr)	-9.63±0.04^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	Yes^Ref
X-Ray type	-	J (mag)	7.21^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	6.01^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	-	K (mag)	5.51^Ref	Outburst type	Z And^Ref
IUE	No^Ref	WISE W1 (mag)	5.10^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	5.06^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	5.11^Ref	IPmax (eV)	54.4^Ref
B (mag)	15.57^Ref	WISE W4 (mag)	4.65^Ref	[O III] lines	Yes^Ref
V (mag)	13.85^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	No^Ref
BP (mag)	13.33^Ref	IRAS 100μm (Jy)	-
G (mag)	11.27^Ref	AKARI S09 (Jy)	-
RP (mag)	9.89^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	617.2±7.4^Ref, 794±61^Ref	γ velocity (km/h)	-58.79±0.22^Ref	Size of giant’s orbit (AU)	0.399^Ref
Eccentricity	0^Ref	RV of giant (km/h)	6.47±0.29^Ref	Separation (AU)	-
Inclination (°)	-	Inferior conj. of giant (JD)	2451801.1	Mass function	0.0189^Ref
Eclipses	-			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	M1 III^Ref, M2 III^Ref, M4.3 III^Ref, M5.5 III^Ref	Mass (M_⊙)	1.5^Ref	Pulsation	-
Eff. temperature (K)	3720^Ref, 3300^Ref	Radius (R_⊙)	119-171^Ref	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	0.03±0.07^Ref			Pulsation ephemeris	-

Hot component

Type/Spectral type	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	0.013-0.026^Ref	Accretion disk	-
Eff. temperature (K)	124000-145000^Ref	Luminosity (L_⊙)	60-140^Ref
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal ARAS Database

Notes

The spectrum reported in Merrill & Burwell (1950) displayed very strong Balmer lines along with TiO bands. In Allen (1978), the detection of He I, [O III], and He II is noted.

References

Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
Fekel, F. C., Hinkle, K. H., Joyce, R. R. et al., 2007, AJ, 133, 1, 17, 2007AJ....133...17F
Gromadzki, M., Mikołajewska, J., Soszyński, I., 2013, AcA, 63, 4, 405, 2013AcA....63..405G
Gutiérrez-Moreno, A., Moreno, H., Costa, E., 1999, PASP, 111, 759, 571, 1999PASP..111..571G
Medina Tanco, G. A., Steiner, J. E., 1995, AJ, 109, 1770, 1995AJ....109.1770M
Merrill, P. W., Burwell, C. G., 1950, ApJ, 112, 72, 1950ApJ...112...72M
Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
Sanduleak, N., Stephenson, C. B., 1973, ApJ, 185, 899, 1973ApJ...185..899S

V5759 Sgr