CONFIRMED M31
Equatorial coordinates
α = 10.481700 | 00 41 55.608000
δ = 41.146301 | +41 08 46.685000 |
|
Constellation |
Andromeda |
Symbiotic IR Type |
|
Spectral Type |
M |
Magnitude range (V) |
|
Outbursts |
No |
|
|
Identifiers
Position
Right ascension (°) |
10.481700 |
Parallax (mas) |
– |
Reddening E(B-V) (mag) |
0.256 ± 0.019 |
Declination (°) |
41.146301 |
Distance (kpc) |
785.00 ± 25.00 |
|
|
Galactic longitude (°) |
121.005132 |
Proper motion in α (mas/yr) |
– |
|
|
Galactic latitude (°) |
-21.689863 |
Proper motion in δ (mas/yr) |
– |
|
|
Observations
U (mag) |
20.80 |
X-Ray |
|
Flickering |
|
B (mag) |
21.64 |
X-Ray type |
|
Outbursts |
No |
V (mag) |
21.26 |
IUE |
No |
Type |
|
R (mag) |
|
IRAS flux at 12 μm (Jy) |
|
IPmax (eV) |
35.1 |
I (mag) |
19.86 |
IRAS flux at 25 μm (Jy) |
|
OVI lines |
No |
G (mag) |
|
IRAS flux at 60 μm (Jy) |
|
|
|
J (mag) |
16.50 |
IRAS flux at 100 μm (Jy) |
|
|
|
H (mag) |
16.01 |
WISE W1 (mag) |
|
|
|
K (mag) |
15.10 |
WISE W2 (mag) |
|
|
|
L (mag) |
|
WISE W3 (mag) |
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|
|
|
WISE W4 (mag) |
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Radio |
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|
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 |
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Ephemeris type |
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|
|
Mass ratio |
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Ephemeris T0 (JD) |
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|
Cool component
Spectral type |
M |
Mass (M⊙) |
|
Pulsation |
|
Eff. temperature (K) |
|
Radius (R⊙) |
|
Type |
|
IR type |
|
Luminosity (L⊙) |
|
Pulsation period (days) |
|
Metallicity [Fe/H] |
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|
|
Ephemeris type |
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|
Ephemeris T0 (JD) |
|
Hot component
Type/Spectra |
|
Mass (M⊙) |
|
Spin period (min) |
|
Eff. temperature (K) |
|
Radius (R⊙) |
|
Accretion disk |
|
Lower limit (K) |
35000 |
Luminosity (L⊙) |
|
|
|
Upper limit (K) |
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Links
SIMBAD CDS Portal
Notes
References
- Mikołajewska, J., Caldwell, N., Shara, M. M., 2014, MNRAS, 444, 586, 2014MNRAS.444..586M
Last updated: Jan 14, 2019 @ 9:54 am