SSTISAGEMC J010405.73-720700.5

SUSPECTED SMC   Equatorial coordinates α = 16.023892 | 01 04 05.734 δ = -72.116808 | -72 07 00.51   Constellation Tucana Symbiotic IR Type S+IR🡕 Source: Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A Spectral Type   Magnitude range (V)   Outbursts No

---

Identifiers

SSTISAGEMC J010405.73-720700.5	GSC –	TYC –	WRAY –
SIMBAD SSTISAGEMC J010405.73-720700.5	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 –	ESO –
HD –	2MASS J01040571-7207007	WISE J010405.74-720659.8	AAVSO –

---

Position

Right ascension (°)	16.023892refGalaxy’s Evolution, SAGE, SAGE-SMC, 2012, VizieR Online Data Catalog: II/305,  2012yCat.2305….0G	Parallax (mas)	–	Reddening E(B-V) (mag)	0.391 ± 0.100refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	-72.116808refGalaxy’s Evolution, SAGE, SAGE-SMC, 2012, VizieR Online Data Catalog: II/305,  2012yCat.2305….0G	Distance (kpc)	62.10 ± 1.90refHilditch, R. W., Howarth, I. D., Harries, T. J., 2005, MNRAS, 357, 304, 2005MNRAS.357..304H
Galactic longitude (°)	301.558803refGalaxy’s Evolution, SAGE, SAGE-SMC, 2012, VizieR Online Data Catalog: II/305,  2012yCat.2305….0G	Proper motion in α (mas/yr)	–
Galactic latitude (°)	-44.977680refGalaxy’s Evolution, SAGE, SAGE-SMC, 2012, VizieR Online Data Catalog: II/305,  2012yCat.2305….0G	Proper motion in δ (mas/yr)	–

---

Observations

U (mag)	20.08refKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K	X-Ray		Flickering
B (mag)	19.23refKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K	X-Ray type		Outbursts	No
V (mag)	19.08refKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K	IUE	No	Type
R (mag)		IRAS flux at 12 μm (Jy)		IPmax (eV)	35.1refKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K
I (mag)	18.15refKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K	IRAS flux at 25 μm (Jy)		OVI lines	NorefKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K
G (mag)		IRAS flux at 60 μm (Jy)
J (mag)	17.15refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	IRAS flux at 100 μm (Jy)
H (mag)	16.48refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W1 (mag)	15.53refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
K (mag)	15.88refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W2 (mag)	15.33refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
L (mag)		WISE W3 (mag)	12.10refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		WISE W4 (mag)	8.81refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		Radio
		Radio flux (mJy)

---

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
Ephemeris type				Mass ratio
Ephemeris T0 (JD)

---

Cool component

Spectral type		Mass (M⊙)		Pulsation
Eff. temperature (K)	3651refAkras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A	Radius (R⊙)		Type
IR type	S+IR🡕 Source: Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A, refAkras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A	Luminosity (L⊙)	168refKamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K	Pulsation period (days)
Metallicity [Fe/H]				Ephemeris type
				Ephemeris T0 (JD)

---

Hot component

Type/Spectra		Mass (M⊙)		Spin period (min)
Eff. temperature (K)		Radius (R⊙)		Accretion disk
Lower limit (K)		Luminosity (L⊙)
Upper limit (K)

---

Links

SIMBAD     CDS Portal

---

Notes

Kamath et al. (2014) classified the star as likely symbiotic star as its spectra show a photosphere of a cool star with a red continuum and strong emission lines.

---

References

• Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A
• Kamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K

Last updated: May 2, 2019 @ 11:32 am