[RP2006] 822
SUSPECTED
LMC
Constellation
Dorado |
Equatorial coordinates
α = 05 28 06.960
δ = -69 14 28.568 |
Galactic coordinates
l = 279.7811°
b = -32.5853° |
Suspected |
2012Ref |
Confirmed |
- |
Symbiotic IR type |
S?Ref |
Hot component type |
- |
Outbursts |
- |
|
|
Symbiotic Catalogs
Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
- |
Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
- |
Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
Right ascension (°) |
82.0290Ref |
Parallax (mas) |
-0.089±0.055Ref |
Reddening E(B-V) (mag) |
0.3±0.03Ref, Note |
Declination (°) |
-69.2413Ref |
Distance (kpc) |
49.97±0.19Ref 13.17Ref, Note, 12.47Ref, Note |
|
|
Galactic longitude (°) |
279.7811Ref |
Proper motion in α (mas/yr) |
1.87±0.06Ref |
|
|
Galactic latitude (°) |
-32.5853Ref |
Proper motion in δ (mas/yr) |
0.72±0.08Ref |
|
|
Observations
X-Ray |
NoRef |
IR type |
S?Ref |
Radio |
- |
X-Ray type |
- |
J (mag) |
14.38Ref |
Flickering |
- |
GALEX FUV (mag) |
- |
H (mag) |
14.21Ref |
Outbursts |
- |
GALEX NUV (mag) |
- |
K (mag) |
13.67Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
13.56Ref |
Jets |
- |
FUSE |
NoRef |
WISE W2 (mag) |
13.55Ref |
Resolved nebula |
- |
U (mag) |
- |
WISE W3 (mag) |
12.89Ref |
IPmax (eV) |
35.1Ref |
B (mag) |
15.73Ref |
WISE W4 (mag) |
9.74Ref |
[O III] lines |
YesRef |
V (mag) |
14.14Ref |
IRAS 12μm (Jy) |
- |
He II lines |
NoRef |
R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
NoRef |
I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
NoRef |
BP (mag) |
17.63Ref |
IRAS 100μm (Jy) |
- |
|
|
G (mag) |
16.94Ref |
AKARI S09 (Jy) |
- |
|
|
RP (mag) |
16.10Ref |
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 |
- |
|
|
Mass ratio |
- |
Orbital ephemeris |
- |
|
|
|
|
Cool component
Spectral type |
B1 V[e]Ref |
Mass (M⊙) |
- |
Pulsation |
- |
Eff. temperature (K) |
- |
Radius (R⊙) |
- |
Type |
- |
IR type |
S?Ref |
Luminosity (L⊙) |
- |
Pulsation period (days) |
- |
Metallicity [Fe/H] |
- |
|
|
Pulsation ephemeris |
- |
Hot component
Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
Shell-burning/Accreting-only |
- |
Radius (R⊙) |
- |
Accretion disk |
- |
Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
Notes
Reid & Parker (2012) classified the star as a possible symbiotic star. However, they also classified the spectrum as B3Ve.
Last updated: May 11, 2019