[ALS88] 2

CONFIRMED MILKY WAY

Constellation
Sagittarius

Equatorial coordinates
α = 17 50 51.118
δ = -17 47 57.311

Galactic coordinates
l = 10.1765°
b = 4.7050°

Suspected	1988^Ref
Confirmed	1988^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

[ALS88] 2	IRAS -	GSC2.4.2 S80C027230	AAVSO 000-BJW-812
SIMBAD ATO J267.7129-17.7992	Pan-STARRS 86642677129911270	SAO -	VSX 249633
GAIA DR3 4120502906945950592	SkyMapper -	WRAY -	GCVS -
2MASS J17505112-1747571	HIP -	Hen -	BD -
WISE J175051.11-174757.2	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	ALS 2 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	ALS 2 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	SS 324 (Conf.)

Position

Right ascension (°)	267.7130^Ref	Parallax (mas)	0.077±0.016^Ref	Reddening E(B-V) (mag)	0.64±0.04^Ref ^{, Note}
Declination (°)	-17.7993^Ref	Distance (kpc)	7.69^Ref ^{, Note}, 6.87^Ref ^{, Note}
Galactic longitude (°)	10.1765^Ref	Proper motion in α (mas/yr)	1.10±0.02^Ref
Galactic latitude (°)	4.7050^Ref	Proper motion in δ (mas/yr)	-7.74±0.01^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	9.82^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.77^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.45^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	8.23^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	8.24^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.92^Ref	IPmax (eV)	114^Ref
B (mag)	16.58^Ref	WISE W4 (mag)	7.23^Ref	[O III] lines	-
V (mag)	14.54^Ref	IRAS 12μm (Jy)	-	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	14.60^Ref	IRAS 100μm (Jy)	-
G (mag)	13.10^Ref	AKARI S09 (Jy)	-
RP (mag)	11.92^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	118.09±1.93^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	M3^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_⊙)	500^Ref
Lower limit (K)	114000^Ref
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

References

Mikołajewska, J., Acker, A., Stenholm, B., 1997, A&A, 327, 191, 1997A&A...327..191M

Last updated: May 11, 2020