2MASS J18272892-1555547

CONFIRMED MILKY WAY

Constellation
Sagittarius

Equatorial coordinates
α = 18 27 28.921
δ = -15 55 54.852

Galactic coordinates
l = 16.0601°
b = -2.0558°

Suspected	2014^Ref
Confirmed	2014^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

2MASS J18272892-1555547	IRAS -	GSC2.4.2 S9JS033586	AAVSO -
SIMBAD 2MASS J18272892-1555547	Pan-STARRS 88882768704892065	SAO -	VSX 454395
GAIA DR3 4097140453884745088	SkyMapper 182728.91-155554.5	WRAY -	GCVS -
2MASS J18272892-1555547	HIP -	Hen -	BD -
WISE J182728.92-155554.7	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	2MASSJ18272892-1555547 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	276.8705^Ref	Parallax (mas)	0.194±0.077^Ref	Reddening E(B-V) (mag)	2.08±0.12^Ref ^{, Note}
Declination (°)	-15.9319^Ref	Distance (kpc)	4.33^Ref ^{, Note}, 4.08^Ref ^{, Note}
Galactic longitude (°)	16.0601^Ref	Proper motion in α (mas/yr)	-0.05±0.08^Ref
Galactic latitude (°)	-2.0558^Ref	Proper motion in δ (mas/yr)	-1.61±0.06^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	9.16^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	7.80^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.18^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.80^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.78^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.29^Ref	IPmax (eV)	114^Ref
B (mag)	-	WISE W4 (mag)	5.33^Ref	[O III] lines	No^Ref
V (mag)	-	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	Yes^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	16.88^Ref	IRAS 100μm (Jy)	-
G (mag)	14.29^Ref	AKARI S09 (Jy)	0.18^Ref
RP (mag)	12.76^Ref	AKARI S18 (Jy)	-

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	M1^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

References

Miszalski, B., Mikołajewska, J., 2014, MNRAS, 440, 2, 1410, 2014MNRAS.440.1410M

Last updated: November 5, 2019