Th 3-29

CONFIRMED MILKY WAY

Constellation
Ophiucus

Equatorial coordinates
α = 17 32 27.870
δ = -29 05 09.125

Galactic coordinates
l = 358.3399°
b = 2.3537°

Suspected	1984^Ref
Confirmed	1988^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

Th 3-29	IRAS -	GSC2.4.2 S8H0076566	AAVSO 000-BJT-835
SIMBAD PN Th 3-29	Pan-STARRS 73092631161857369	SAO -	VSX 241043
GAIA DR3 4058843158219588480	SkyMapper 173227.89-290508.8	WRAY 17-89	GCVS -
2MASS J17322788-2905087	HIP -	Hen -	BD -
WISE J173227.88-290508.8	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Th3-29 (Susp.)	Belzcyński et al. (2001)	Th 3-29 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	PN Th 3-29 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	Th-3-29 (Conf.)

Position

Right ascension (°)	263.1161^Ref	Parallax (mas)	0.060±0.058^Ref	Reddening E(B-V) (mag)	1.49±0.04^Ref ^{, Note}
Declination (°)	-29.0859^Ref	Distance (kpc)	8.26^Ref ^{, Note}, 5.48^Ref ^{, Note}
Galactic longitude (°)	358.3399^Ref	Proper motion in α (mas/yr)	-5.34±0.07^Ref
Galactic latitude (°)	2.3537^Ref	Proper motion in δ (mas/yr)	-10.62±0.05^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	8.92^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	7.57^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	6.92^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.61^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.65^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.20^Ref	IPmax (eV)	114^Ref
B (mag)	16.08^Ref	WISE W4 (mag)	5.59^Ref	[O III] lines	Yes^Ref
V (mag)	15.02^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	13.05^Ref	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	16.51^Ref	IRAS 100μm (Jy)	-
G (mag)	14.38^Ref	AKARI S09 (Jy)	-
RP (mag)	12.89^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	M3^Ref, M6.5^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	3170±80^Ref	Radius (R_⊙)	-	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	0.67±0.09^Ref			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_⊙)	240^Ref
Lower limit (K)	114000^Ref
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

This object was included in the list of possible symbiotic stars in Allen (1984). Subsequently, both Stenholm & Acker (1987) and Acker et al. (1988) classified it as a new symbiotic star. Faint O VI lines were detected by Stenholm & Acker (1987).

References

Acker, A., Lundstrom, I., Stenholm, B., 1988, A&AS, 73, 325, 1988A&AS...73..325A
Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
Gałan, C., Mikołajewska, J., Hinkle, K. H. et al., 2017, MNRAS, 466, 2, 2194, 2017MNRAS.466.2194G
Mikołajewska, J., Acker, A., Stenholm, B., 1997, A&A, 327, 191, 1997A&A...327..191M
Stenholm, B., Acker, A., 1987, A&AS, 68, 51, 1987A&AS...68...51S

Last updated: April 14, 2022