Th 3-17

CONFIRMED MILKY WAY

Constellation
Ophiucus

Equatorial coordinates
α = 17 27 31.630
δ = -29 02 56.555

Galactic coordinates
l = 357.7769°
b = 3.2752°

Suspected	1979^Ref
Confirmed	1984^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

Th 3-17	IRAS -	GSC2.4.2 S8G8002280	AAVSO 000-BJT-833
SIMBAD PN Th 3-17	Pan-STARRS 73142618818101505	SAO -	VSX 241039
GAIA DR3 4059501589512272384	SkyMapper 172731.59-290256.3	WRAY 17-81	GCVS -
2MASS J17273162-2902564	HIP -	Hen -	BD -
WISE J172731.62-290256.3	TYC -	ESO 454-30	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Th3-17 (Conf.)	Belzcyński et al. (2001)	Th 3-17 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	Th3-17 (Conf.)	Akras et al. (2019)	PN Th 3-17 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	Th-3-17 (Conf.)

Position

Right ascension (°)	261.8818^Ref	Parallax (mas)	0.075±0.057^Ref	Reddening E(B-V) (mag)	1.12±0.03^Ref ^{, Note}
Declination (°)	-29.0490^Ref	Distance (kpc)	5^Ref, 5^Ref 7.53^Ref ^{, Note}, 6.79^Ref ^{, Note}
Galactic longitude (°)	357.7769^Ref	Proper motion in α (mas/yr)	-3.34±0.07^Ref
Galactic latitude (°)	3.2752^Ref	Proper motion in δ (mas/yr)	-4.90±0.05^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	9.52^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.41^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.84^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.72^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.78^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.33^Ref	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	6.62^Ref	[O III] lines	Yes^Ref
V (mag)	16.40^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	14.19^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	17.11^Ref	IRAS 100μm (Jy)	-
G (mag)	14.53^Ref	AKARI S09 (Jy)	0.07^Ref
RP (mag)	13.04^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 III^Ref, M3 III^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	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)	35000^Ref
Upper limit (K)	55000^Ref

Links

SIMBAD CDS Portal

Notes

He II was not detected by Mikołajewska et al. (1997) in the spectrum of this star.

References

Allen, D. A., 1979, Obs, 99, 83, 1979Obs....99...83A
Allen, D. A., 1980, MNRAS, 192, 521, 1980MNRAS.192..521A
Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
Mikołajewska, J., Acker, A., Stenholm, B., 1997, A&A, 327, 191, 1997A&A...327..191M

Last updated: April 17, 2022