M33SyS J013457.79+310054.2

CONFIRMED M33

Constellation
Triangulum

Equatorial coordinates
α = 01 34 57.769
δ = +31 00 54.418

Galactic coordinates
l = 133.8040°
b = -30.9361°

Suspected	2017^Ref
Confirmed	2017^Ref
Symbiotic IR type	-
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

M33SyS J013457.79+310054.2	IRAS -	GSC2.4.2 NBXX013553	AAVSO -
SIMBAD M33SyS J013457.79+310054.2	Pan-STARRS 145210237406648707	SAO -	VSX -
GAIA DR3 -	SkyMapper -	WRAY -	GCVS -
2MASS -	HIP -	Hen -	BD -
WISE J013457.90+310056.2	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	M33 SySt-11 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	23.7407^Ref	Parallax (mas)	-	Reddening E(B-V) (mag)	0.04±0.0^Ref ^{, Note}
Declination (°)	31.0151^Ref	Distance (kpc)	847±60^Ref -^{, Note}
Galactic longitude (°)	133.8040^Ref	Proper motion in α (mas/yr)	-
Galactic latitude (°)	-30.9361^Ref	Proper motion in δ (mas/yr)	-

Observations

X-Ray	No^Ref	IR type	-	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)	17.11^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	16.74^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	12.69^Ref	IPmax (eV)	114^Ref
B (mag)	-	WISE W4 (mag)	9.06^Ref	[O III] lines	Yes^Ref
V (mag)	23.52^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	21.95^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	Yes^Ref
I (mag)	20.54^Ref	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	-	IRAS 100μm (Jy)	-
G (mag)	-	AKARI S09 (Jy)	-
RP (mag)	-	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	300^Ref	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	M4^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	-	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)	114000^Ref
Upper limit (K)	176000^Ref

Links

SIMBAD CDS Portal

Notes

The variability of this system is likely attributed to orbital motion (Mikołajewska et al., 2017).

References

Mikołajewska, J., Shara, M. M., Caldwell, N. et al., 2017, MNRAS, 465, 2, 1699, 2017MNRAS.465.1699M

Last updated: January 13, 2019