New Online Database of Symbiotic Variables: M33SyS J013430.14+303346.0

CONFIRMED M33

Constellation
Triangulum

Equatorial coordinates
α = 01 34 30.122
δ = +30 33 45.878

Galactic coordinates
l = 133.7939°
b = -31.3991°

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

Identifiers

M33SyS J013430.14+303346.0	IRAS -	GSC2.4.2 NBXX116376	AAVSO -
SIMBAD M33SyS J013430.14+303346.0	Pan-STARRS 144670236254055856	SAO -	VSX -
GAIA DR3 -	SkyMapper -	WRAY -	GCVS -
2MASS -	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)	M33 SySt-8 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	23.6255^Ref	Parallax (mas)	-	Reddening E(B-V) (mag)	0.04±0.0^Ref ^{, Note}
Declination (°)	30.5627^Ref	Distance (kpc)	847±60^Ref -^{, Note}
Galactic longitude (°)	133.7939^Ref	Proper motion in α (mas/yr)	-
Galactic latitude (°)	-31.3991^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)	-	Jets	-
FUSE	No^Ref	WISE W2 (mag)	-	Resolved nebula	-
U (mag)	22.48^Ref	WISE W3 (mag)	-	IPmax (eV)	114^Ref
B (mag)	23.13^Ref	WISE W4 (mag)	-	[O III] lines	Yes^Ref
V (mag)	22.65^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	21.32^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	20.17^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)	-	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	M2^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)	169000^Ref

Links

SIMBAD CDS Portal

Notes

M33SyS J013430.14+303346.0 exhibits clearly detectable ZrO bands, indicating some s-process enrichment. It was initially misclassified as a W Vir star with a period of 29.12 days by Kinman et al. (1987). However, the average gaps between original observations are comparable to the period (Mikołajewska et al., 2017).

References

Kinman, T. D., Mould, J. R., Wood, P. R., 1987, AJ, 93, 833, 1987AJ.....93..833K
Mikołajewska, J., Shara, M. M., Caldwell, N. et al., 2017, MNRAS, 465, 2, 1699, 2017MNRAS.465.1699M

M33SyS J013430.14+303346.0