Bol D30

SUSPECTED M31
 
Constellation
Andromeda
Equatorial coordinates
α = 00 41 41.475
δ = +41 03 08.118
Galactic coordinates
l = 120.9533°
b = -21.7820°

Suspected 2010Ref
Confirmed -
Symbiotic IR type -
Hot component type -
Outbursts -

Identifiers

Bol D30 IRAS - GSC2.4.2 NBVF057663 AAVSO -
SIMBAD Bol D30 Pan-STARRS 157260104228203366 SAO - VSX -
GAIA DR3 381164917157806208 SkyMapper - WRAY - GCVS -
2MASS - HIP - Hen - BD -
WISE - TYC - ESO - HD -

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 (°) 10.4228Ref Parallax (mas) 0.117±0.227Ref Reddening E(B-V) (mag) 0.22±0.02Ref, Note
Declination (°) 41.0523Ref Distance (kpc) 785±25Ref
3.30Ref, Note, 16.63Ref, Note
   
Galactic longitude (°) 120.9533Ref Proper motion in α (mas/yr) -0.27±0.21Ref    
Galactic latitude (°) -21.7820Ref Proper motion in δ (mas/yr) 0.92±0.18Ref    

Observations

X-Ray NoRef IR type - Radio -
X-Ray type - J (mag) - Flickering -
GALEX FUV (mag) - H (mag) - Outbursts -
GALEX NUV (mag) - K (mag) 16.02Ref Outburst type -
IUE NoRef WISE W1 (mag) - Jets -
FUSE NoRef WISE W2 (mag) - Resolved nebula -
U (mag) 19.43Ref WISE W3 (mag) - IPmax (eV) -
B (mag) 19.35Ref WISE W4 (mag) - [O III] lines -
V (mag) 19.02Ref IRAS 12μm (Jy) - He II lines -
R (mag) 18.80Ref IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) 18.53Ref IRAS 60μm (Jy) - O VI lines -
BP (mag) 19.05Ref IRAS 100μm (Jy) -
G (mag) 18.91Ref AKARI S09 (Jy) -
RP (mag) 18.67Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -780.00±20.00Ref 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 F IRef Mass (M) - Pulsation -
Eff. temperature (K) 6500Ref Radius (R) - Type -
IR type - Luminosity (L) 15000Ref 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) -        

Links

SIMBAD   CDS Portal


Notes

The star possesses an extremely negative velocity and is likely situated in the Giant Stream in M31. Caldwell et al. (2010) speculated that the object could potentially be a symbiotic nova.


References


Last updated: May 11, 2019