LMC S154

CONFIRMED LMC   Equatorial coordinates α =  72.960290 ± 0.031358 | 04 51 50.460705 δ =  -75.059813 ± 0.028232 | -75 03 35.323709   Constellation Mensa Symbiotic IR Type S+IR🡕 Source: Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A Spectral Type C2.2 Magnitude range (V) 13.9 – 17.3refWatson, C. L., Henden, A. A., Price, A., 2006, Society for Astronomical Sciences Annual Symposium, 25, 47, 2006SASS…25…47W Outbursts Yes

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Identifiers

LMC S154	GSC –	TYC –	WRAY –
SIMBAD LHA 120-S 154	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 4649246748682812032	ESO –
HD –	2MASS J04515046-7503353	WISE  J045150.46-750335.2	AAVSO 000-BCZ-119

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Position

Right ascension (°)	72.960290 ± 0.031358refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Parallax (mas)	–	Reddening E(B-V) (mag)	0.111 ± 0.005refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	-75.059813 ± 0.028232refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Distance (kpc)	49.97 ± 0.19refPietrzyński, G., Graczyk, D., Gieren, W., et al., 2013, Nature, 495, 76, 2013Natur.495…76P
Galactic longitude (°)	287.347239 ± 0.031358refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in α (mas/yr)	2.238252 ± 0.072860refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G
Galactic latitude (°)	-33.706855 ± 0.028232refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in δ (mas/yr)	-0.109439 ± 0.081071refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G

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Observations

U (mag)		X-Ray	Yesref,Wood, K. S., Meekins, J. F., Yentis, D. J., et al., 1984, ApJS, 56, 507,  1984ApJS…56..507WnoteThe source was not detected in EXOSITE satellite observations by Remillard et al. (1992).	Flickering
B (mag)	12.80refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	X-Ray type		Outbursts	YesrefRemillard, R. A., Rosenthal, E., Tuohy, I. R., et al., 1992, ApJ, 396, 668, 1992ApJ…396..668R
V (mag)	15.70refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	IUE	Yes	Type	SyRNrefIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
R (mag)	14.20refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	IRAS flux at 12 μm (Jy)		IPmax (eV)	290.9refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
I (mag)	13.20refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	IRAS flux at 25 μm (Jy)		OVI lines	YesrefRemillard, R. A., Rosenthal, E., Tuohy, I. R., et al., 1992, ApJ, 396, 668, 1992ApJ…396..668R
G (mag)	15.37refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	IRAS flux at 60 μm (Jy)
J (mag)	11.71refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	IRAS flux at 100 μm (Jy)
H (mag)	10.36refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W1 (mag)	8.64refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
K (mag)	9.38refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W2 (mag)	7.98refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
L (mag)	8.27refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	WISE W3 (mag)	6.78refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		WISE W4 (mag)	6.24refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		Radio
		Radio flux (mJy)

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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
Ephemeris type				Mass ratio
Ephemeris T0 (JD)

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Cool component

Spectral type	C2.2refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	Mass (M⊙)	2refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I	Pulsation	YesrefIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
Eff. temperature (K)	4000 ± 250refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I 3046refAkras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A	Radius (R⊙)	400refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	Type	quasiperiodic pulsations of the giantrefIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
IR type	S+IR🡕 Source: Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A, refAkras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A	Luminosity (L⊙)	12000refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M 12300refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I	Pulsation period (days)	~250refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
Metallicity [Fe/H]				Ephemeris type
				Ephemeris T0 (JD)

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Hot component

Type/Spectra		Mass (M⊙)		Spin period (min)
Eff. temperature (K)	140000 ± 15000ref,Muerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516MnoteThe temperature of the WD during the early nebular phase (Iłkiewicz et al., 2019). 125000-155000refVogel, M., Morgan, D. H., 1994, A&A, 288, 842, 1994A&A…288..842V 291000refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133InoteThe temperature of the WD during the nebular phase (Iłkiewicz et al., 2019).	Radius (R⊙)	0.092refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M	Accretion disk
Lower limit (K)		Luminosity (L⊙)	3000 ± 1000refMuerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M 2000-4000refVogel, M., Morgan, D. H., 1994, A&A, 288, 842, 1994A&A…288..842V 8300-23000refIłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
Upper limit (K)

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Links

SIMBAD     CDS Portal     VSX

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Notes

The star changed its spectral appearance from a low excitation emission line object into that of a symbiotic star, probably due to optical thinning of the nebula (Remillard et al., 1992). Iłkiewicz et al. (2019) analyzed archival observations and classified the object as a symbiotic recurrent nova.

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References

• Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A
• Iłkiewicz, K., Mikołajewska, J., Miszalski, B., et al., 2019, A&A, 624, A133, 2019A&A…624A.133I
• Muerset, U., Schild, H., Vogel, M., 1996, A&A, 307, 516, 1996A&A…307..516M
• Remillard, R. A., Rosenthal, E., Tuohy, I. R., et al., 1992, ApJ, 396, 668, 1992ApJ…396..668R
• Vogel, M., Morgan, D. H., 1994, A&A, 288, 842, 1994A&A…288..842V

Last updated: May 2, 2019 @ 11:11 am