[RP2006] 295

SUSPECTED LMC   Equatorial coordinates α = 87.093006 ± 0.108200| 05 48 22.321538 δ = -67.981479 ± 0.117100 | -67 58 53.322692   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

[RP2006] 295	GSC –	TYC –	WRAY –
SIMBAD 2MASS J05482227-6758532	HIP –	SAO –	Hen –
BD –	IRAS –	GAIA DR2 4659114208415382656	ESO –
HD –	2MASS J05482227-6758532	WISE J054822.30-675853.2	AAVSO –

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Position

Right ascension (°)	87.093006 ± 0.108200 refGaia 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)	0.128 ± 0.025refSchlafly, E. F., Finkbeiner, D. P., 2011, ApJ, 737, 103, 2011ApJ…737..103S
Declination (°)	-67.981479 ± 0.117100refGaia 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 (°)	278.069720 ± 0.117100refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in α (mas/yr)	1.454 ± 0.193refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G
Galactic latitude (°)	-30.889780 ± 0.108200refGaia Collaboration, Brown, A. G. A., Vallenari, A., et al., 2018, A&A, 616, A1, 2018A&A…616A…1G	Proper motion in δ (mas/yr)	-0.144 ± 0.222refGaia 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)	18.26refZaritsky, D., Harris, J., Thompson, I. B., et al., 2004, AJ, 128, 1606, 2004AJ….128.1606Z	X-Ray		Flickering
B (mag)	18.89refZaritsky, D., Harris, J., Thompson, I. B., et al., 2004, AJ, 128, 1606, 2004AJ….128.1606Z	X-Ray type		Outbursts	No
V (mag)	18.17refZaritsky, D., Harris, J., Thompson, I. B., et al., 2004, AJ, 128, 1606, 2004AJ….128.1606Z	IUE	No	Type
R (mag)	17.04refSpano, M., Mowlavi, N., Eyer, L., et al., 2011, A&A, 536, A60, 2011A&A…536A..60S	IRAS flux at 12 μm (Jy)		IPmax (eV)
I (mag)	16.80refThe DENIS consortium, 2005, VizieR On-line Data Catalog: B/denis, 2005yCat.2263….0T	IRAS flux at 25 μm (Jy)		OVI lines
G (mag)	17.91refGaia 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)	14.57refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR Online Data Catalog: II/246, 2003yCat.2246….0C	IRAS flux at 100 μm (Jy)
H (mag)	13.09refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR Online Data Catalog: II/246, 2003yCat.2246….0C	WISE W1 (mag)	10.77refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
K (mag)	11.73refCutri, R. M., Skrutskie, M. F., van Dyk, S., et al., 2003, VizieR Online Data Catalog: II/246, 2003yCat.2246….0C	WISE W2 (mag)	9.71refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
L (mag)		WISE W3 (mag)	7.38refCutri, R. M., et al., 2014, I II/328, 2014yCat.2328….0C
		WISE W4 (mag)	5.88refCutri, 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)		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⊙)		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

Reid (2014) classified the star as a likely symbiotic star and noted compact Hα, low [O III], and no He II 4686.

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References

• Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A
• Reid, W. A., 2014, MNRAS, 438, 2642, 2014MNRAS.438.2642R

Last updated: May 2, 2019 @ 11:18 am