M31SyS J004432.09+411940.8

CONFIRMED M31

Equatorial coordinates
α = 11.133710 | 00 44 32.090000
δ = 41.327970 | +41 19 40.700000

Constellation	Andromeda
Symbiotic IR Type	D
Spectral Type
Magnitude range (V)
Outbursts	No

Identifiers

M31SyS J004432.09+411940.8	GSC –	TYC –	WRAY –
SIMBAD M31SyS J004432.09+411940.8	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 –	ESO –
HD –	2MASS J00443214+4119408	WISE –	AAVSO –

Position

Right ascension (°)	11.133710ref	Parallax (mas)	–	Reddening E(B-V) (mag)	0.267 ± 0.092ref
Declination (°)	41.327970ref	Distance (kpc)	785.00 ± 25.00ref
Galactic longitude (°)	121.538880ref	Proper motion in α (mas/yr)	–
Galactic latitude (°)	-21.525110ref	Proper motion in δ (mas/yr)	–

Observations

U (mag)	21.35ref	X-Ray		Flickering
B (mag)	21.43ref	X-Ray type		Outbursts	No
V (mag)	21.15ref	IUE	No	Type
R (mag)		IRAS flux at 12 μm (Jy)		IPmax (eV)	114.0ref
I (mag)	20.71ref	IRAS flux at 25 μm (Jy)		OVI lines	Yesref
G (mag)		IRAS flux at 60 μm (Jy)
J (mag)	17.20ref	IRAS flux at 100 μm (Jy)
H (mag)	15.90ref	WISE W1 (mag)
K (mag)	15.46ref	WISE W2 (mag)
L (mag)		WISE W3 (mag)
		WISE W4 (mag)
		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)		Radius (R_⊙)		Type
IR type	Dref	Luminosity (L_⊙)		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)	114000ref	Luminosity (L_⊙)
Upper limit (K)	260000ref

Links

SIMBAD CDS Portal

Notes

References

Mikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M

Last updated: Jan 14, 2019 @ 9:57 am