M31SyS J004534.07+413049.0

CONFIRMED M31   Equatorial coordinates α =  11.391897 ± 3.187900 | 00 45 34.055358 δ =  41.513536 ± 1.205400 | +41 30 48.730166   Constellation Andromeda Symbiotic IR Type S Spectral Type   Magnitude range (V)   Outbursts No

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Identifiers

M31SyS J004534.07+413049.0	GSC –	TYC –	WRAY –
SIMBAD [VRJ2006] M31V-J00453405+4130487	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 369276683907836800	ESO –
HD –	2MASS –	WISE –	AAVSO –

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Position

Right ascension (°)	11.391897 ± 3.187900refGaia 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)	0.148 ± 0.058refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	41.513536 ± 1.205400refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Distance (kpc)	785.00 ± 25.00refMcConnachie, A. W., Irwin, M. J., Ferguson, A. M. N., et al., 2005, MNRAS, 356, 979, 2005MNRAS.356..979M
Galactic longitude (°)	121.752111 ± 1.205400refGaia 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 (°)	-21.344766 ± 3.187900refGaia 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)	20.57refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M	X-Ray		Flickering
B (mag)	21.39refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M	X-Ray type		Outbursts	No
V (mag)	20.89refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M	IUE	No	Type
R (mag)		IRAS flux at 12 μm (Jy)		IPmax (eV)	54.4refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M
I (mag)	19.62refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M	IRAS flux at 25 μm (Jy)		OVI lines	NorefMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M
G (mag)	20.76refGaia 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)		IRAS flux at 100 μm (Jy)
H (mag)		WISE W1 (mag)
K (mag)		WISE W2 (mag)
L (mag)		WISE W3 (mag)
		WISE W4 (mag)
		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	Yes?refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M
Eff. temperature (K)		Radius (R⊙)		Type	SR pulsations?refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M
IR type	SrefMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M	Luminosity (L⊙)		Pulsation period (days)	∼80?refVilardell, F., Ribas, I., Jordi, C., 2006, A&A, 459, 321, 2006A&A…459..321V
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)	54000refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M	Luminosity (L⊙)
Upper limit (K)	110000refMikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M

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Links

SIMBAD     CDS Portal

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Notes

Vilardell et al. (2006) report a variable star, M31V J00453405+4130487, with similar BV magnitudes and colour to those of the SySt, and P ∼80 d mostly likely due to SR variability of the red giant component (Mikołajewska et al., 2014).

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References

• Mikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M
• Vilardell, F., Ribas, I., Jordi, C., 2006, A&A, 459, 321, 2006A&A…459..321V

Last updated: Jan 14, 2019 @ 2:18 pm