47 Tuc Src-No. 438

SUSPECTED MILKY WAY

Constellation
Tucana

Equatorial coordinates
α = 00 24 03.388
δ = -71 55 47.363

Galactic coordinates
l = 305.9310°
b = -45.0386°

Suspected	2021^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	shell-burning?^Ref
Outbursts	-

Identifiers

47 Tuc Src-No. 438	IRAS -	GSC2.4.2 S0WC000369	AAVSO -
SIMBAD 2MASS J00240336-7155473	Pan-STARRS -	SAO -	VSX -
GAIA DR3 4689645004920355712	SkyMapper 002403.36-715547.4	WRAY -	GCVS -
2MASS J00240336-7155473	HIP -	Hen -	BD -
WISE J002403.37-715547.3	TYC 9137-3777-1	ESO -	HD -

Symbiotic Catalogs

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

Position

Right ascension (°)	6.0141^Ref	Parallax (mas)	0.218±0.014^Ref	Reddening E(B-V) (mag)	0.03±0.0^Ref ^{, Note}
Declination (°)	-71.9298^Ref	Distance (kpc)	4.36^Ref ^{, Note}, 4.34^Ref ^{, Note}
Galactic longitude (°)	305.9310^Ref	Proper motion in α (mas/yr)	4.64±0.02^Ref
Galactic latitude (°)	-45.0386^Ref	Proper motion in δ (mas/yr)	-2.33±0.02^Ref

Observations

X-Ray	Yes^Ref	IR type	S?^Ref	Radio	-
X-Ray type	β^Ref	J (mag)	8.87^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	7.97^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.81^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.71^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.87^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.70^Ref	IPmax (eV)	-
B (mag)	13.12^Ref	WISE W4 (mag)	7.71^Ref	[O III] lines	-
V (mag)	11.67^Ref	IRAS 12μm (Jy)	-	He II lines	-
R (mag)	11.31^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	-
I (mag)	9.99^Ref	IRAS 60μm (Jy)	-	O VI lines	-
BP (mag)	11.93^Ref	IRAS 100μm (Jy)	-
G (mag)	11.05^Ref	AKARI S09 (Jy)	-
RP (mag)	10.13^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	-21.53±1.89^Ref	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	-	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_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Suspected in Saeedi et al. (2021), based on X-ray detection by eROSITA and the presence of a possible RGB counterpart.

References

Saeedi, S., Liu, T., Knies, J. et al., 2021, arXiv, arXiv:2106.14535, 2021arXiv210614535S

Last updated: March 25, 2022