Hen 4-137

SUSPECTED MILKY WAY

Constellation
Centaurus

Equatorial coordinates
α = 13 35 57.559
δ = -51 12 14.690

Galactic coordinates
l = 310.0109°
b = 11.0547°

Suspected	2002^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	shell-burning?^Ref
Outbursts	-

Identifiers

Hen 4-137	IRAS 13328-5056	GSC2.4.2 S95V000465	AAVSO -
SIMBAD CD-50 7894	Pan-STARRS -	SAO -	VSX 96695
GAIA DR3 6069918816627209856	SkyMapper -	WRAY -	GCVS -
2MASS J13355755-5112146	HIP -	Hen 4-137	BD -
WISE J133557.55-511214.5	TYC 8273-694-1	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	Hen 4-137 (Susp.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	203.9898^Ref	Parallax (mas)	0.679±0.040^Ref	Reddening E(B-V) (mag)	0.18±0.01^Ref ^{, Note}
Declination (°)	-51.2041^Ref	Distance (kpc)	1.41^Ref ^{, Note}, 1.42^Ref ^{, Note}
Galactic longitude (°)	310.0109^Ref	Proper motion in α (mas/yr)	2.36±0.04^Ref
Galactic latitude (°)	11.0547^Ref	Proper motion in δ (mas/yr)	-0.63±0.03^Ref

Observations

X-Ray	-	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	5.10^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	3.96^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	3.79^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	3.48^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	3.43^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	3.43^Ref	IPmax (eV)	-
B (mag)	10.88^Ref	WISE W4 (mag)	3.27^Ref	[O III] lines	-
V (mag)	9.10^Ref	IRAS 12μm (Jy)	1.76^Ref	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	0.42^Ref	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	0.40^Ref	O VI lines	-
BP (mag)	9.38^Ref	IRAS 100μm (Jy)	1.46^Ref
G (mag)	7.82^Ref	AKARI S09 (Jy)	2.41^Ref
RP (mag)	6.60^Ref	AKARI S18 (Jy)	0.55^Ref

Orbit

Orbital period (days)	636.39±12.38^Ref	γ velocity (km/h)	-21.12±0.47^Ref, -23.19±0.99^Ref	Size of giant’s orbit (AU)	0.345222^Ref
Eccentricity	0.44±0.17^Ref	RV of giant (km/h)	6.57±1.88^Ref	Separation (AU)	-
Inclination (°)	-	Inferior conj. of giant (JD)	2449699.02	Mass function	0.014^Ref
Eclipses	-			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	S^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	36.14^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_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Symbiotic status is supported by the analysis of Akras et al. (2019).

References

Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
Stephenson, C. B., 1984, PW&SO, 1, 1984PW&SO...3....1S
van Eck, S., Jorissen, A., Udry, S. et al., 2000, A&AS, 145, 51, 2000A&AS..145...51V
van Eck, S., Jorissen, A., 2002, A&A, 396, 599, 2002A&A...396..599V

Last updated: May 3, 2022