2MASS J05450015-6918192

SUSPECTED LMC

Constellation
Dorado

Equatorial coordinates
α = 05 45 00.162
δ = -69 18 19.097

Galactic coordinates
l = 279.6367°
b = -31.0951°

Suspected	2015^Ref
Confirmed	-
Symbiotic IR type	D'?^Ref
Hot component type	-
Outbursts	-

Identifiers

2MASS J05450015-6918192	IRAS -	GSC2.4.2 S0UB039719	AAVSO -
SIMBAD 2MASS J05450015-6918192	Pan-STARRS -	SAO -	VSX -
GAIA DR3 4657618086646710784	SkyMapper 054500.10-691819.2	WRAY -	GCVS -
2MASS J05450015-6918192	HIP -	Hen -	BD -
WISE J054500.15-691819.1	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	LMC SySt-22 (Susp.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	86.2507^Ref	Parallax (mas)	-0.096±0.112^Ref	Reddening E(B-V) (mag)	1.36±0.33^Ref ^{, Note}
Declination (°)	-69.3053^Ref	Distance (kpc)	49.97±0.19^Ref 7.50^Ref ^{, Note}, 7.60^Ref ^{, Note}
Galactic longitude (°)	279.6367^Ref	Proper motion in α (mas/yr)	1.66±0.14^Ref
Galactic latitude (°)	-31.0951^Ref	Proper motion in δ (mas/yr)	0.96±0.15^Ref

Observations

X-Ray	No^Ref	IR type	D'?^Ref	Radio	-
X-Ray type	-	J (mag)	16.96^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	15.50^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	13.60^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	11.18^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	9.68^Ref	Resolved nebula	-
U (mag)	18.35^Ref	WISE W3 (mag)	7.08^Ref	IPmax (eV)	35.1^Ref
B (mag)	19.04^Ref	WISE W4 (mag)	5.62^Ref	[O III] lines	Yes^Ref
V (mag)	18.73^Ref	IRAS 12μm (Jy)	-	He II lines	No^Ref
R (mag)	17.97^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	18.00^Ref	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	18.54^Ref	IRAS 100μm (Jy)	-
G (mag)	18.33^Ref	AKARI S09 (Jy)	-
RP (mag)	17.84^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	-	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	D'?^Ref	Luminosity (L_⊙)	2389^Ref	Pulsation period (days)	-
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

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

Links

SIMBAD CDS Portal

Notes

Suspected in Reid (2014) and Kamath et al. (2015) based on its spectra.

References

Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L. et al., 2019, ApJS, 240, 2, 21, 2019ApJS..240...21A
Kamath, D., Wood, P. R., van Winckel, H., 2015, MNRAS, 454, 2, 1468, 2015MNRAS.454.1468K
Reid, W. A., 2014, MNRAS, 438, 3, 2642, 2014MNRAS.438.2642R

Last updated: May 2, 2019