New Online Database of Symbiotic Variables: M31SyS J004235.59+410148.0

CONFIRMED M31

Constellation
Andromeda

Equatorial coordinates
α = 00 42 35.590
δ = +41 01 47.809

Galactic coordinates
l = 121.1354°
b = -21.8109°

Suspected	2014^Ref
Confirmed	2014^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

M31SyS J004235.59+410148.0	IRAS -	GSC2.4.2 NBVE194122	AAVSO -
SIMBAD M31SyS J004235.59+410148.0	Pan-STARRS 157230106485786566	SAO -	VSX -
GAIA DR3 369248478857243136	SkyMapper -	WRAY -	GCVS -
2MASS J00423581+4101459	HIP -	Hen -	BD -
WISE -	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	M31 SySt-15 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	10.6483^Ref	Parallax (mas)	-	Reddening E(B-V) (mag)	0.29±0.02^Ref ^{, Note}
Declination (°)	41.0299^Ref	Distance (kpc)	785±25^Ref -^{, Note}
Galactic longitude (°)	121.1354^Ref	Proper motion in α (mas/yr)	-
Galactic latitude (°)	-21.8109^Ref	Proper motion in δ (mas/yr)	-

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	-	Flickering	-
GALEX FUV (mag)	-	H (mag)	-	Outbursts	-
GALEX NUV (mag)	-	K (mag)	-	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	-	Jets	-
FUSE	No^Ref	WISE W2 (mag)	-	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	-	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	-	[O III] lines	Yes^Ref
V (mag)	-	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	20.48^Ref	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	20.26^Ref	IRAS 100μm (Jy)	-
G (mag)	20.50^Ref	AKARI S09 (Jy)	-
RP (mag)	16.98^Ref	AKARI S18 (Jy)	-

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	-
Eclipses	-			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	M^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

Type/Spectral type	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	54000^Ref
Upper limit (K)	240000^Ref

Links

SIMBAD CDS Portal

Notes

There is a red variable, [PAC] 93855, with a period P∼560 days, located approximately 0.5 arcseconds away. The field is rather crowded, with a few other objects having similar I magnitudes, and this may be an accidental coincidence, as noted in Mikołajewska et al. (2014).

References

Mikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 1, 586, 2014MNRAS.444..586M

M31SyS J004235.59+410148.0