V704 Cen

CONFIRMED MILKY WAY

Constellation
Centaurus

Equatorial coordinates
α = 13 54 55.681
δ = -58 27 16.550

Galactic coordinates
l = 311.1730°
b = 3.3976°

Suspected	1984^Ref
Confirmed	1992^Ref
Symbiotic IR type	D^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

V704 Cen	IRAS 13515-5812	GSC2.4.2 S7MY189975	AAVSO 000-BDK-879
SIMBAD WRAY 16-141	Pan-STARRS -	SAO -	VSX 8001
GAIA DR3 5870900198312013184	SkyMapper 135455.70-582716.5	WRAY 16-141	GCVS V0704 Cen
2MASS J13545570-5827165	HIP -	Hen 2-101	BD -
WISE J135455.70-582716.4	TYC -	ESO 133-7	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	V704 Cen (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	V704 Cen (Susp.)	Akras et al. (2019)	V704 Cen (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	V704 Cen (Conf.)

Position

Right ascension (°)	208.7320^Ref	Parallax (mas)	0.054±0.020^Ref	Reddening E(B-V) (mag)	0.69±0.03^Ref ^{, Note}
Declination (°)	-58.4546^Ref	Distance (kpc)	16^Ref 9.62^Ref ^{, Note}, 9.73^Ref ^{, Note}
Galactic longitude (°)	311.1730^Ref	Proper motion in α (mas/yr)	-6.47±0.02^Ref
Galactic latitude (°)	3.3976^Ref	Proper motion in δ (mas/yr)	-1.97±0.02^Ref

Observations

X-Ray	No^Ref	IR type	D^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	11.76^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	10.07^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.63^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.87^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	5.79^Ref	Resolved nebula	No^Ref
U (mag)	-	WISE W3 (mag)	3.82^Ref	IPmax (eV)	54.4^Ref
B (mag)	15.61^Ref	WISE W4 (mag)	2.30^Ref	[O III] lines	Yes^Ref
V (mag)	14.58^Ref	IRAS 12μm (Jy)	1.43^Ref	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	1.16^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	0.53^Ref	O VI lines	No^Ref
BP (mag)	14.43^Ref	IRAS 100μm (Jy)	19.40^Ref
G (mag)	13.73^Ref	AKARI S09 (Jy)	1.10^Ref
RP (mag)	12.79^Ref	AKARI S18 (Jy)	1.05^Ref

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	M6.5 III^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	Mira^Ref
IR type	D^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	193.8^Ref
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_⊙)	6000^Ref
Lower limit (K)	35000^Ref
Upper limit (K)	55000^Ref

Links

SIMBAD CDS Portal

Notes

He II was not detected in the spectra according to Cieslinski et al. (1994) and Mikołajewska et al. (1997).

References

Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
Cieslinski, D., Elizalde, F., Steiner, J. E., 1994, A&AS, 106, 243, 1994A&AS..106..243C
Gutiérrez-Moreno, A., Moreno, H., Cortes, G., 1992, PASP, 104, 1187, 1992PASP..104.1187G
Mikołajewska, J., Acker, A., Stenholm, B., 1997, A&A, 327, 191, 1997A&A...327..191M
Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
Pereira, C. B., Landaberry, S. J. C., Da Conceição, F., 1998, AJ, 116, 4, 1971, 1998AJ....116.1971P
Whitelock, P. A., 1987, PASP, 99, 573, 1987PASP...99..573W

Last updated: April 15, 2022