2MASS J05450015-6918192

SUSPECTED LMC   Equatorial coordinates α = 86.250648 ± 0.125400 | 05 45 00.155571 δ = -69.305309 ± 0.133300 | -69 18 19.110956   Constellation Dorado Symbiotic IR Type D’🡕 Source: Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A Spectral Type   Magnitude range (V)   Outbursts No

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Identifiers

2MASS J05450015-6918192	GSC –	TYC –	WRAY –
SIMBAD 2MASS J05450015-6918192	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 4657618086646710784	ESO –
HD –	2MASS J05450015-6918192	WISE J054500.15-691819.1	AAVSO –

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Position

Right ascension (°)	86.250648 ± 0.125400refGaia 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)	1.364 ± 0.331refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	-69.305309 ± 0.133300refGaia 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 (°)	279.636697 ± 0.133300refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in α (mas/yr)	2.145 ± 0.251refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G
Galactic latitude (°)	-31.095154 ± 0.125400refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in δ (mas/yr)	0.904 ± 0.289refGaia 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)	18.35refKamath, D., Wood, P. R., Van Winckel, H., 2015, MNRAS, 454, 1468, 2015MNRAS.454.1468K	X-Ray		Flickering
B (mag)	19.04refKamath, D., Wood, P. R., Van Winckel, H., 2015, MNRAS, 454, 1468, 2015MNRAS.454.1468K	X-Ray type		Outbursts	No
V (mag)	18.73refKamath, D., Wood, P. R., Van Winckel, H., 2015, MNRAS, 454, 1468, 2015MNRAS.454.1468K	IUE	No	Type
R (mag)	17.97refKamath, D., Wood, P. R., Van Winckel, H., 2015, MNRAS, 454, 1468, 2015MNRAS.454.1468K	IRAS flux at 12 μm (Jy)		IPmax (eV)	35.1refReid, W. A., 2014, MNRAS, 438, 2642, 2014MNRAS.438.2642R
I (mag)	18.00refKamath, D., Wood, P. R., Van Winckel, H., 2015, MNRAS, 454, 1468, 2015MNRAS.454.1468K	IRAS flux at 25 μm (Jy)		OVI lines	NorefReid, W. A., 2014, MNRAS, 438, 2642, 2014MNRAS.438.2642R
G (mag)	18.37refGaia 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)	17.39refCutri, 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)	15.72refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W1 (mag)	11.18refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
K (mag)	13.60refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR On-line Data Catalog: II/246, 2003yCat.2246….0C	WISE W2 (mag)	9.68refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
L (mag)		WISE W3 (mag)	7.08refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		WISE W4 (mag)	5.62refCutri, 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		Mass (M⊙)		Pulsation
Eff. temperature (K)	3737refAkras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A	Radius (R⊙)		Type
IR type	D’🡕 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⊙)	2389refKamath, D., Wood, P. R., Van Winckel, H., 2015, MNRAS, 454, 1468, 2015MNRAS.454.1468K	Pulsation period (days)
Metallicity [Fe/H]				Ephemeris type
				Ephemeris T0 (JD)

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Hot component

Type/Spectra		Mass (M⊙)		Spin period (min)
Eff. temperature (K)		Radius (R⊙)		Accretion disk
Lower limit (K)		Luminosity (L⊙)
Upper limit (K)

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Links

SIMBAD     CDS Portal

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Notes

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

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References

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

Last updated: May 2, 2019 @ 10:58 am