Hen 3-905

CONFIRMED MILKY WAY

Constellation
Centaurus

Equatorial coordinates
α = 13 30 37.137
δ = -57 58 20.243

Galactic coordinates
l = 308.1245°
b = 4.5039°

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

Identifiers

Hen 3-905	IRAS -	GSC2.4.2 S7NO016016	AAVSO 000-BJT-823
SIMBAD WRAY 15-1108	Pan-STARRS -	SAO -	VSX 241019
GAIA DR3 6062473267530768512	SkyMapper 133037.15-575820.2	WRAY 15-1108	GCVS -
2MASS J13303715-5758202	HIP -	Hen 3-905	BD -
WISE J133037.14-575820.2	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Hen 905 (Conf.)	Belzcyński et al. (2001)	Hen 3-905 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	Hen 905 (Conf.)	Akras et al. (2019)	Hen 3-905 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	VDS 38 (Conf.)

Position

Right ascension (°)	202.6547^Ref	Parallax (mas)	0.067±0.018^Ref	Reddening E(B-V) (mag)	0.55±0.01^Ref ^{, Note}
Declination (°)	-57.9723^Ref	Distance (kpc)	9.44^Ref ^{, Note}, 8.73^Ref ^{, Note}
Galactic longitude (°)	308.1245^Ref	Proper motion in α (mas/yr)	-6.28±0.01^Ref
Galactic latitude (°)	4.5039^Ref	Proper motion in δ (mas/yr)	-2.23±0.01^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	9.77^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.77^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.43^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	8.22^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	8.21^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.69^Ref	IPmax (eV)	114^Ref
B (mag)	15.69^Ref	WISE W4 (mag)	6.97^Ref	[O III] lines	Yes^Ref
V (mag)	14.39^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)	14.37^Ref	IRAS 100μm (Jy)	-
G (mag)	12.99^Ref	AKARI S09 (Jy)	-
RP (mag)	11.80^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	M4^Ref, M3^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	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	0.025^Ref	Accretion disk	-
Eff. temperature (K)	182000^Ref	Luminosity (L_⊙)	588^Ref
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

References

Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
Gutiérrez-Moreno, A., Moreno, H., Costa, E., 1999, PASP, 111, 759, 571, 1999PASP..111..571G
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