SUSPECTED M31
Equatorial coordinates
α = 9.607053 ± 0.186900 | 00 38 25.692726
δ = 40.294083 ± 0.188000 | +40 17 38.698295 |
|
Constellation |
Andromeda |
Symbiotic IR Type |
|
Spectral Type |
|
Magnitude range (V) |
|
Outbursts |
No |
|
|
Identifiers
Position
Right ascension (°) |
9.607053 ± 0.186900 |
Parallax (mas) |
– |
Reddening E(B-V) (mag) |
0.058 ± 0.005 |
Declination (°) |
40.294083 ± 0.188000 |
Distance (kpc) |
785.00 ± 25.00 |
|
|
Galactic longitude (°) |
120.247055 ± 0.188000 |
Proper motion in α (mas/yr) |
– |
|
|
Galactic latitude (°) |
-22.509836 ± 0.186900 |
Proper motion in δ (mas/yr) |
– |
|
|
Observations
U (mag) |
|
X-Ray |
Yes |
Flickering |
|
B (mag) |
21.10 |
X-Ray type |
|
Outbursts |
No |
V (mag) |
19.40 |
IUE |
No |
Type |
|
R (mag) |
|
IRAS flux at 12 μm (Jy) |
|
IPmax (eV) |
|
I (mag) |
|
IRAS flux at 25 μm (Jy) |
|
OVI lines |
|
G (mag) |
18.13 |
IRAS flux at 60 μm (Jy) |
|
|
|
J (mag) |
15.09 |
IRAS flux at 100 μm (Jy) |
|
|
|
H (mag) |
14.61 |
WISE W1 (mag) |
14.14 |
|
|
K (mag) |
14.26 |
WISE W2 (mag) |
14.00 |
|
|
L (mag) |
|
WISE W3 (mag) |
12.39 |
|
|
|
|
WISE W4 (mag) |
8.87 |
|
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|
|
Radio |
|
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|
Radio flux (mJy) |
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|
|
Orbit
Orbital period (days) |
|
γ velocity (km/h) |
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Size of giant’s orbit (AU) |
|
Eccentricity |
|
RV of giant (km/h) |
|
Separation (AU) |
|
Inclination (°) |
|
Inferior conj. of giant (JD) |
|
Mass function |
|
Ephemeris type |
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Mass ratio |
|
Ephemeris T0 (JD) |
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|
|
Cool component
Spectral type |
|
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 |
|
|
|
|
|
Ephemeris T0 (JD) |
|
Hot component
Type/Spectra |
|
Mass (M⊙) |
|
Spin period (min) |
|
Eff. temperature (K) |
|
Radius (R⊙) |
|
Accretion disk |
|
Lower limit (K) |
|
Luminosity (L⊙) |
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|
|
Upper limit (K) |
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Links
SIMBAD CDS Portal
Notes
Identified as an X-ray source in M31. Di Stefano et al. (2004) identified the object as a possible symbiotic system, they also identified an optical counterpart.
References
- Di Stefano, R., Kong, A. K. H., Greiner, J., et al., 2004, ApJ, 610, 247, 2004ApJ…610..247D
Last updated: May 12, 2019 @ 7:56 pm