New Online Database of Symbiotic Variables: M33SyS J013435.17+303409.4

CONFIRMED M33

Constellation
Triangulum

Equatorial coordinates
α = 01 34 35.140
δ = +30 34 09.494

Galactic coordinates
l = 133.8131°
b = -31.3891°

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

Identifiers

M33SyS J013435.17+303409.4	IRAS -	GSC2.4.2 NBXX098394	AAVSO -
SIMBAD M33SyS J013435.17+303409.4	Pan-STARRS 144680236462953671	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-9 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	23.6464^Ref	Parallax (mas)	-	Reddening E(B-V) (mag)	0.04±0.0^Ref ^{, Note}
Declination (°)	30.5693^Ref	Distance (kpc)	847±60^Ref -^{, Note}
Galactic longitude (°)	133.8131^Ref	Proper motion in α (mas/yr)	-
Galactic latitude (°)	-31.3891^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)	-	WISE W3 (mag)	-	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	-	[O III] lines	No^Ref
V (mag)	23.79^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	22.14^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	20.59^Ref	IRAS 60μm (Jy)	-	O VI lines	No^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	CN^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	Mira^Ref
IR type	-	Luminosity (L_⊙)	-	Pulsation period (days)	300^Ref
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)	142000^Ref

Links

SIMBAD CDS Portal

Notes

M33SyS J013435.17+303409.4 is identified as a Mira variable with a period of approximately 300 days. However, its JHK magnitudes and colors do not exhibit evidence for optically thick dust, a characteristic found in the majority of Galactic symbiotic Miras (Mikołajewska et al., 2017).

References

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

M33SyS J013435.17+303409.4