Hen 3-160

CONFIRMED MILKY WAY

Constellation
Vela

Equatorial coordinates
α = 08 24 53.137
δ = -51 28 32.933

Galactic coordinates
l = 267.6767°
b = -7.8700°

Suspected	1973^Ref
Confirmed	1978^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

Hen 3-160	IRAS -	GSC2.4.2 S5ZG027070	AAVSO 000-BJT-818
SIMBAD WRAY 15-208	Pan-STARRS -	SAO -	VSX 241009
GAIA DR3 5322265821866441216	SkyMapper 082453.14-512833.0	WRAY 15-208	GCVS -
2MASS J08245314-5128329	HIP -	Hen 3-160	BD -
WISE J082453.13-512832.8	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Hen 160 (Conf.)	Belzcyński et al. (2001)	Hen 3-160 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	Hen 160 (Conf.)	Akras et al. (2019)	Hen 3-160 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	VDS 18 (Conf.)

Position

Right ascension (°)	126.2214^Ref	Parallax (mas)	-0.005±0.038^Ref	Reddening E(B-V) (mag)	0.54±0.02^Ref ^{, Note}
Declination (°)	-51.4758^Ref	Distance (kpc)	9.4^Ref 10.27^Ref ^{, Note}, 8.60^Ref ^{, Note}
Galactic longitude (°)	267.6767^Ref	Proper motion in α (mas/yr)	-1.24±0.05^Ref
Galactic latitude (°)	-7.8700^Ref	Proper motion in δ (mas/yr)	2.85±0.04^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	9.30^Ref	Flickering	No^Ref
GALEX FUV (mag)	-	H (mag)	8.33^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.80^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.55^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.27^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.55^Ref	IPmax (eV)	114^Ref
B (mag)	16.14^Ref	WISE W4 (mag)	6.02^Ref	[O III] lines	Yes^Ref
V (mag)	15.64^Ref	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)	14.58^Ref	IRAS 100μm (Jy)	-
G (mag)	13.54^Ref	AKARI S09 (Jy)	0.13^Ref
RP (mag)	11.97^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	M7 III^Ref, M3.5(max)^Ref, M8(min)^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	3000-3500^Ref, 2770^Ref	Radius (R_⊙)	-	Type	Mira^Ref
IR type	S^Ref	Luminosity (L_⊙)	3960^Ref	Pulsation period (days)	242.53±0.14^Ref
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_⊙)	1020^Ref
Lower limit (K)	114000^Ref
Upper limit (K)	200000^Ref

Links

SIMBAD CDS Portal

Notes

This star is the first symbiotic binary with Mira variable S star (Gałan et al., 2019).

References

Gałan, C., Mikołajewska, J., Monard, B. et al., 2019, AcA, 69, 1, 25, 2019AcA....69...25G
Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M

Last updated: January 13, 2024