[MMU2013] 003.46-01.92

CONFIRMED MILKY WAY

Constellation
Sagittarius

Equatorial coordinates
α = 18 01 06.327
δ = -26 55 58.727

Galactic coordinates
l = 3.4623°
b = -1.9300°

Suspected	2013^Ref
Confirmed	2013^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

[MMU2013] 003.46-01.92	IRAS -	GSC2.4.2 S9S4045332	AAVSO -
SIMBAD MPA J1801-2655	Pan-STARRS 75682702763590816	SAO -	VSX 305977
GAIA DR3 4063947640951673856	SkyMapper -	WRAY -	GCVS -
2MASS J18010633-2655586	HIP -	Hen -	BD -
WISE J180106.31-265558.6	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	003.46-01.92 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	270.2764^Ref	Parallax (mas)	0.067±0.040^Ref	Reddening E(B-V) (mag)	2.07±0.11^Ref ^{, Note}
Declination (°)	-26.9330^Ref	Distance (kpc)	7.15^Ref ^{, Note}, 5.98^Ref ^{, Note}
Galactic longitude (°)	3.4623^Ref	Proper motion in α (mas/yr)	-2.52±0.04^Ref
Galactic latitude (°)	-1.9300^Ref	Proper motion in δ (mas/yr)	-6.77±0.03^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	9.83^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.64^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.02^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.72^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.73^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.08^Ref	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	6.03^Ref	[O III] lines	Yes^Ref
V (mag)	16.56^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	13.08^Ref	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	16.49^Ref	IRAS 100μm (Jy)	-
G (mag)	14.48^Ref	AKARI S09 (Jy)	-
RP (mag)	13.09^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	801^Ref, 821.30^Ref	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	Yes^Ref			Mass ratio	-
Orbital ephemeris	Min (I) = 2454560.2 + 801 x E^Ref

Cool component

Spectral type	M4-5^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
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)	55000^Ref
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

The eclipsing binary exhibits a likely secondary minimum, suggesting the presence of ellipsoidal variability (Miszalski et al., 2013).

References

Miszalski, B., Mikołajewska, J., Udalski, A., 2013, MNRAS, 432, 4, 3186, 2013MNRAS.432.3186M

Last updated: November 5, 2019