2MASS J01104404-7208464

CONFIRMED SMC   Equatorial coordinates α =  17.683444 ± 0.045900 | 01 10 44.026463 δ =  -72.146233 ± 0.032500 | -72 08 46.439622   Constellation Tucana Symbiotic IR Type S Spectral Type   Magnitude range (V)   Outbursts No

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Identifiers

2MASS J01104404-7208464	GSC –	TYC –	WRAY –
SIMBAD [MA93] 1725	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 4687517449929997824	ESO –
HD –	2MASS J01104404-7208464	WISE J011044.03-720846.4	AAVSO –

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Position

Right ascension (°)	17.683444 ± 0.045900refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Parallax (mas)	–	Reddening E(B-V) (mag)	0.087 ± 0.004refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	-72.146233 ± 0.032500refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Distance (kpc)	62.10 ± 1.90refHilditch, R. W., Howarth, I. D., Harries, T. J., 2005, MNRAS, 357, 304, 2005MNRAS.357..304H
Galactic longitude (°)	300.845846 ± 0.032500refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in α (mas/yr)	0.496000 ± 0.107000refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G
Galactic latitude (°)	-44.903778 ± 0.045900refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in δ (mas/yr)	-1.171000 ± 0.064000refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G

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Observations

U (mag)	17.77refBoyer, M. L., Srinivasan, S., van Loon, J. T., et al., 2011, AJ, 142, 103, 2011AJ….142..103B	X-Ray		Flickering
B (mag)	17.53refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	X-Ray type		Outbursts	No
V (mag)	16.40refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	IUE	No	Type
R (mag)	15.82refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	IRAS flux at 12 μm (Jy)		IPmax (eV)	114.0refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I
I (mag)	14.94refBoyer, M. L., Srinivasan, S., van Loon, J. T., et al., 2011, AJ, 142, 103, 2011AJ….142..103B	IRAS flux at 25 μm (Jy)		OVI lines	YesrefIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I
G (mag)	15.95refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	IRAS flux at 60 μm (Jy)
J (mag)	13.90refCutri, 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)	13.11refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W1 (mag)	12.88refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
K (mag)	13.00refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W2 (mag)	12.88refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
L (mag)		WISE W3 (mag)	12.86refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		WISE W4 (mag)	9.50refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		Radio
		Radio flux (mJy)

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Orbit

Orbital period (days)	403 ± 8refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	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	Min(V)refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I			Mass ratio
Ephemeris T0 (JD)	2454792refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I

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Cool component

Spectral type		Mass (M⊙)		Pulsation
Eff. temperature (K)	3970refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	Radius (R⊙)	98refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	Type
IR type	SrefIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	Luminosity (L⊙)		Pulsation period (days)
Metallicity [Fe/H]				Ephemeris type
				Ephemeris T0 (JD)

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Hot component

Type/Spectra	WDrefIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I	Mass (M⊙)		Spin period (min)
Eff. temperature (K)		Radius (R⊙)		Accretion disk
Lower limit (K)		Luminosity (L⊙)	230-240refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I
Upper limit (K)	160000refIłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I

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Links

SIMBAD     CDS Portal

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Notes

2MASS J01104404-7208464 is an ellipsoidal variable with an orbital period of 403 d and also experienced a brightening by ∼0.2 mag in V band, which was associated with a change of shape of orbitally related variability (Iłkiewicz et al., 2018).

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References

• Iłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I

Last updated: Jan 14, 2019 @ 3:06 pm