Hen 3-916

CONFIRMED MILKY WAY

Constellation
Musca

Equatorial coordinates
α = 13 35 29.909
δ = -64 45 43.365

Galactic coordinates
l = 307.6086°
b = -2.2911°

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

Identifiers

Hen 3-916	IRAS -	GSC2.4.2 S7S1231629	AAVSO 000-BDB-222
SIMBAD THA 17-52	Pan-STARRS -	SAO -	VSX 58313
GAIA DR3 5864114188716805504	SkyMapper -	WRAY 15-1123	GCVS -
2MASS J13352994-6445432	HIP -	Hen 3-916	BD -
WISE J133529.91-644543.2	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Hen 916 (Conf.)	Belzcyński et al. (2001)	Hen 3-916 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	Hen 916 (Conf.)	Akras et al. (2019)	Hen 3-916 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	Th-17 (Conf.)

Position

Right ascension (°)	203.8746^Ref	Parallax (mas)	0.146±0.020^Ref	Reddening E(B-V) (mag)	1.25±0.04^Ref ^{, Note}
Declination (°)	-64.7620^Ref	Distance (kpc)	6.51^Ref ^{, Note}, 6.08^Ref ^{, Note}
Galactic longitude (°)	307.6086^Ref	Proper motion in α (mas/yr)	-8.83±0.02^Ref
Galactic latitude (°)	-2.2911^Ref	Proper motion in δ (mas/yr)	-2.62±0.02^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	9.24^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.17^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.65^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.48^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.53^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.03^Ref	IPmax (eV)	114^Ref
B (mag)	15.28^Ref	WISE W4 (mag)	6.38^Ref	[O III] lines	No?^Ref
V (mag)	12.63^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)	14.64^Ref	IRAS 100μm (Jy)	-
G (mag)	12.89^Ref	AKARI S09 (Jy)	0.08^Ref
RP (mag)	11.61^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	803±54^Ref	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	Min (V) = 2452410 + 803±54 x E^Ref

Cool component

Spectral type	M5^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	3400^Ref	Radius (R_⊙)	-	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	150±2^Ref
Metallicity [Fe/H]	-0.46±0.08^Ref			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_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

References

Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
Gałan, C., Mikołajewska, J., Hinkle, K. H. et al., 2016, MNRAS, 455, 2, 1282, 2016MNRAS.455.1282G
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

Last updated: June 1, 2021