SS73 129

CONFIRMED MILKY WAY

Constellation
Sagittarius

Equatorial coordinates
α = 18 07 05.526
δ = -29 36 29.903

Galactic coordinates
l = 1.7697°
b = -4.3873°

Suspected	1969^Ref
Confirmed	1984^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

SS73 129	IRAS 18038-2932	GSC2.4.2 S9SQ436399	AAVSO 000-BJT-850
SIMBAD PN KFL 8	Pan-STARRS 72472717730610318	SAO -	VSX 241073
GAIA DR3 4050319567909135744	SkyMapper -	WRAY 16-371	GCVS -
2MASS J18070554-2936298	HIP -	Hen -	BD -
WISE J180705.53-293629.8	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	SS 129 (Conf.)	Belzcyński et al. (2001)	SS73 129 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	SS 129 (Conf.)	Akras et al. (2019)	SS73 129 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	T-17 (Conf.)

Position

Right ascension (°)	271.7730^Ref	Parallax (mas)	0.237±0.032^Ref	Reddening E(B-V) (mag)	0.47±0.03^Ref ^{, Note}
Declination (°)	-29.6083^Ref	Distance (kpc)	1.7^Ref 4.41^Ref ^{, Note}, 3.94^Ref ^{, Note}
Galactic longitude (°)	1.7697^Ref	Proper motion in α (mas/yr)	-4.94±0.03^Ref
Galactic latitude (°)	-4.3873^Ref	Proper motion in δ (mas/yr)	-3.53±0.02^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	9.29^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.33^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.06^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.86^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.93^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.71^Ref	IPmax (eV)	114^Ref
B (mag)	-	WISE W4 (mag)	7.83^Ref	[O III] lines	No^Ref
V (mag)	12.50^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	Yes^Ref
BP (mag)	13.28^Ref	IRAS 100μm (Jy)	-
G (mag)	12.09^Ref	AKARI S09 (Jy)	-
RP (mag)	11.00^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	536±27^Ref	γ velocity (km/h)	90.37±2.87^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	Min (V) = 2452220 + 536±27 x E^Ref

Cool component

Spectral type	K3 III^Ref, K5 III^Ref, M0 III^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	4256^Ref	Radius (R_⊙)	59.1^Ref	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

Type/Spectral type	WD^Ref	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	100^Ref
Lower limit (K)	114000^Ref
Upper limit (K)	130000^Ref

Links

SIMBAD CDS Portal

Notes

Herbig (1969) reported the presence of a K-type star continuum along with Hβ and He II lines in the spectrum of this object.

References

Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
Gromadzki, M., Mikołajewska, J., Soszyński, I., 2013, AcA, 63, 4, 405, 2013AcA....63..405G
Herbig, G. H., 1969, PNAS, 63, 4, 1045, 1969PNAS...63.1045H
Medina Tanco, G. A., Steiner, J. E., 1995, AJ, 109, 1770, 1995AJ....109.1770M
Mikołajewska, J., Acker, A., Stenholm, B., 1997, A&A, 327, 191, 1997A&A...327..191M
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
Zamanov, R. K., Bode, M. F., Melo, C. H. F. et al., 2007, MNRAS, 380, 3, 1053, 2007MNRAS.380.1053Z

Last updated: April 18, 2022