LMC N67
CONFIRMED
LMC
Constellation
Dorado |
Equatorial coordinates
α = 05 36 07.580
δ = -64 43 21.333 |
Galactic coordinates
l = 274.3535°
b = -32.3418° |
Suspected |
1989Ref |
Confirmed |
1989Ref |
Symbiotic IR type |
SRef |
Hot component type |
shell-burningRef |
Outbursts |
- |
|
|
Symbiotic Catalogs
Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
LMC N67 (Conf.) |
Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
LMC N67 (Conf.) |
Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
LMC C495 (Conf.) |
Position
Right ascension (°) |
84.0316Ref |
Parallax (mas) |
-0.029±0.026Ref |
Reddening E(B-V) (mag) |
0.05±0.0Ref, Note |
Declination (°) |
-64.7226Ref |
Distance (kpc) |
49.97±0.19Ref 17.07Ref, Note, 10.52Ref, Note |
|
|
Galactic longitude (°) |
274.3535Ref |
Proper motion in α (mas/yr) |
1.51±0.04Ref |
|
|
Galactic latitude (°) |
-32.3418Ref |
Proper motion in δ (mas/yr) |
0.34±0.03Ref |
|
|
Observations
X-Ray |
NoRef |
IR type |
SRef |
Radio |
- |
X-Ray type |
- |
J (mag) |
12.67Ref |
Flickering |
- |
GALEX FUV (mag) |
18.22Ref |
H (mag) |
11.85Ref |
Outbursts |
- |
GALEX NUV (mag) |
19.10Ref |
K (mag) |
11.46Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
11.08Ref |
Jets |
- |
FUSE |
YesRef |
WISE W2 (mag) |
11.12Ref |
Resolved nebula |
- |
U (mag) |
- |
WISE W3 (mag) |
10.61Ref |
IPmax (eV) |
114Ref |
B (mag) |
16.18Ref |
WISE W4 (mag) |
9.58Ref |
[O III] lines |
NoRef |
V (mag) |
15.35Ref |
IRAS 12μm (Jy) |
- |
He II lines |
YesRef |
R (mag) |
14.70Ref |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
NoRef |
I (mag) |
12.70Ref |
IRAS 60μm (Jy) |
- |
O VI lines |
YesRef |
BP (mag) |
16.04Ref |
IRAS 100μm (Jy) |
- |
|
|
G (mag) |
15.21Ref |
AKARI S09 (Jy) |
- |
|
|
RP (mag) |
14.30Ref |
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 |
Yes?Ref |
|
|
Mass ratio |
- |
Orbital ephemeris |
- |
|
|
|
|
Cool component
Spectral type |
C3.2Ref |
Mass (M⊙) |
- |
Pulsation |
YesRef |
Eff. temperature (K) |
3350Ref |
Radius (R⊙) |
170Ref |
Type |
OGLE Small Amplitude Red GiantRef |
IR type |
SRef |
Luminosity (L⊙) |
3300Ref |
Pulsation period (days) |
45±5Ref |
Metallicity [Fe/H] |
- |
|
|
Pulsation ephemeris |
Min(I) = 2455513±1 + 45±5 x ERef |
Hot component
Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
Shell-burning/Accreting-only |
shell-burningRef |
Radius (R⊙) |
0.082Ref |
Accretion disk |
- |
Eff. temperature (K) |
130000±30000Ref, 100000-160000Ref |
Luminosity (L⊙) |
2000±1000Ref, 800-3000Ref |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
Notes
LMC N67 is identified as a carbon symbiotic star. In Angeloni et al. (2014), it was noted that the observed light curve likely exhibits eclipses.
References
- Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L. et al., 2019, ApJS, 240, 2, 21, 2019ApJS..240...21A
- Angeloni, R., Ferreira Lopes, C. E., Masetti, N. et al., 2014, MNRAS, 438, 1, 35, 2014MNRAS.438...35A
- Cowley, A. P., Hartwick, F. D. A., 1989, PASP, 101, 917, 1989PASP..101..917C
- 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
- Vogel, M., Morgan, D. H., 1994, A&A, 288, 842, 1994A&A...288..842V
Last updated: May 2, 2019