SMP LMC 104

SUSPECTED LMC   Equatorial coordinates α =  66.156228  ± 0.7658| 04 24 37.494614 δ =  -69.706015 ± 1.0387 | -69 42 21.655731   Constellation Hydrus Symbiotic IR Type D Spectral Type   Magnitude range (V)   Outbursts No

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Identifiers

SMP LMC 104	GSC –	TYC –	WRAY –
SIMBAD SMP LMC 104	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 4655905253655906688	ESO –
HD –	2MASS J04243749-6942218	WISE J042437.49-694221.6	AAVSO –

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Position

Right ascension (°)	66.156228 ± 0.7658refGaia 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)	0.080 ± 0.001refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	-69.706015 ± 1.0387refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Distance (kpc)	49.97 ± 0.19refPietrzyński, G., Graczyk, D., Gieren, W., et al., 2013, Nature, 495, 76, 2013Natur.495…76P
Galactic longitude (°)	282.342527 ± 1.0387refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in α (mas/yr)	–
Galactic latitude (°)	-37.746451 ± 0.7658refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in δ (mas/yr)	–

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Observations

U (mag)		X-Ray		Flickering
B (mag)	17.00	X-Ray type		Outbursts	No
V (mag)	17.50	IUE	No	Type
R (mag)	16.80	IRAS flux at 12 μm (Jy)		IPmax (eV)
I (mag)		IRAS flux at 25 μm (Jy)		OVI lines
G (mag)		IRAS flux at 60 μm (Jy)
J (mag)	16.99refCutri, 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)	16.08refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W1 (mag)	12.37refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
K (mag)	15.13refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W2 (mag)	11.46refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
L (mag)		WISE W3 (mag)	9.55refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		WISE W4 (mag)	6.41refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		Radio
		Radio flux (mJy)

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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)

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Cool component

Spectral type		Mass (M⊙)		Pulsation
Eff. temperature (K)	2600refIłkiewicz, K., Mikołajewska, J., 2017, A&A, 606, A110, 2017A&A…606A.110I	Radius (R⊙)		Type
IR type	DrefIłkiewicz, K., Mikołajewska, J., 2017, A&A, 606, A110, 2017A&A…606A.110I	Luminosity (L⊙)		Pulsation period (days)
Metallicity [Fe/H]				Ephemeris type
				Ephemeris T0 (JD)

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Hot component

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

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Links

SIMBAD     CDS Portal

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Notes

Suspected to be a symbiotic binary in Iłkiewicz & Mikołajewska (2017) based on the position of the star in the [O III] diagnostic diagrams. The infrared colors place this star near the region occupied by symbiotics. 

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References

• Iłkiewicz, K., Mikołajewska, J., 2017, A&A, 606, A110, 2017A&A…606A.110I

Last updated: Jan 14, 2019 @ 11:04 am