New Online Database of Symbiotic Variables: LMC1

CONFIRMED LMC

Constellation
Dorado

Equatorial coordinates
α = 05 25 01.110
δ = -62 28 48.776

Galactic coordinates
l = 271.8165°
b = -33.7661°

Suspected	1992^Ref
Confirmed	1992^Ref
Symbiotic IR type	D^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

LMC1	IRAS -	GSC2.4.2 S14V024885	AAVSO 000-BLT-633
SIMBAD NAME LMC1	Pan-STARRS -	SAO -	VSX 410501
GAIA DR3 4757458655865241984	SkyMapper 052501.11-622848.8	WRAY -	GCVS -
2MASS J05250111-6228488	HIP -	Hen -	BD -
WISE J052501.11-622848.7	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	LMC1 (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	LMC1 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	81.2546^Ref	Parallax (mas)	-0.045±0.026^Ref	Reddening E(B-V) (mag)	0.05±0.0^Ref ^{, Note}
Declination (°)	-62.4802^Ref	Distance (kpc)	49.97±0.19^Ref 23.59^Ref ^{, Note}, 26.61^Ref ^{, Note}
Galactic longitude (°)	271.8165^Ref	Proper motion in α (mas/yr)	1.58±0.05^Ref
Galactic latitude (°)	-33.7661^Ref	Proper motion in δ (mas/yr)	0.26±0.04^Ref

Observations

X-Ray	-	IR type	D^Ref	Radio	-
X-Ray type	-	J (mag)	13.55^Ref	Flickering	-
GALEX FUV (mag)	17.31^Ref	H (mag)	12.01^Ref	Outbursts	-
GALEX NUV (mag)	18.84^Ref	K (mag)	10.71^Ref	Outburst type	-
IUE	Yes^Ref	WISE W1 (mag)	8.82^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	8.24^Ref	Resolved nebula	-
U (mag)	17.32^Ref	WISE W3 (mag)	7.50^Ref	IPmax (eV)	114^Ref
B (mag)	18.22^Ref	WISE W4 (mag)	7.37^Ref	[O III] lines	Yes^Ref
V (mag)	17.36^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	14.90^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	14.10^Ref	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	16.66^Ref	IRAS 100μm (Jy)	-
G (mag)	15.69^Ref	AKARI S09 (Jy)	-
RP (mag)	14.66^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	>1500?^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	C4.3^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	3100^Ref	Radius (R_⊙)	360^Ref	Type	SR^Ref
IR type	D^Ref	Luminosity (L_⊙)	11000^Ref	Pulsation period (days)	171±3^Ref
Metallicity [Fe/H]	-			Pulsation ephemeris	Min(I) = 2455962±1 + 171±3 x E^Ref

Hot component

Type/Spectral type	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	0.12^Ref	Accretion disk	-
Eff. temperature (K)	125000^Ref, 150000^Ref	Luminosity (L_⊙)	3000^Ref, 1300^Ref
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

The system exhibits a carbon star spectrum with a significant number of emission lines. The orbital period is estimated to be greater than 1500 days (Angeloni et al., 2014).

References

Angeloni, R., Ferreira Lopes, C. E., Masetti, N. et al., 2014, MNRAS, 438, 1, 35, 2014MNRAS.438...35A
Angeloni, R., Gonçalves, D. R., Akras, S. et al., 2019, AJ, 157, 4, 156, 2019AJ....157..156A
Morgan, D. H., 1992, MNRAS, 258, 639, 1992MNRAS.258..639M
Mürset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A...307..516M

LMC1