M31N 2017-05b

POSSIBLE M31
 
Constellation
Andromeda
Equatorial coordinates
α = 00 42 49.093
δ = +41 42 41.601
Galactic coordinates
l = 121.2074°
b = -21.1313°

Suspected 2017Ref
Confirmed -
Symbiotic IR type -
Hot component type shell-burning?Ref
Outbursts YesRef - SyN?Ref

Identifiers

M31N 2017-05b IRAS - GSC2.4.2 NBW9008210 AAVSO -
SIMBAD AT 2017ehm Pan-STARRS 158050107045974498 SAO - VSX -
GAIA DR3 381311903825200000 SkyMapper - WRAY - GCVS -
2MASS J00424909+4142416 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 (°) 10.7046Ref Parallax (mas) 0.174±0.435Ref Reddening E(B-V) (mag) 0.17±0.07Ref, Note
Declination (°) 41.7116Ref Distance (kpc) 2.34Ref, Note, 2.15Ref, Note    
Galactic longitude (°) 121.2074Ref Proper motion in α (mas/yr) -0.09±0.33Ref    
Galactic latitude (°) -21.1313Ref Proper motion in δ (mas/yr) 0.17±0.30Ref    

Observations

X-Ray NoRef IR type - Radio -
X-Ray type - J (mag) - Flickering -
GALEX FUV (mag) - H (mag) - Outbursts YesRef
GALEX NUV (mag) - K (mag) - Outburst type SyN?Ref
IUE NoRef WISE W1 (mag) - Jets -
FUSE NoRef WISE W2 (mag) - Resolved nebula -
U (mag) - WISE W3 (mag) - IPmax (eV) 54.4Ref
B (mag) - WISE W4 (mag) - [O III] lines NoRef
V (mag) - IRAS 12μm (Jy) - He II lines YesRef
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines NoRef
I (mag) - IRAS 60μm (Jy) - O VI lines NoRef
BP (mag) 20.62Ref IRAS 100μm (Jy) -
G (mag) 19.89Ref AKARI S09 (Jy) -
RP (mag) 18.74Ref 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 - Mass (M) - Pulsation -
Eff. temperature (K) - Radius (R) - Type -
IR type - Luminosity (L) - Pulsation period (days) -
Metallicity [Fe/H] -     Pulsation ephemeris -

Hot component

Type/Spectral type - Mass (M) - Spin period (min) -
Shell-burning/Accreting-only shell-burning?Ref Radius (R) - Accretion disk -
Eff. temperature (K) - Luminosity (L) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal


Notes

Detected in the outburst by Williams et al. (2017), they suggested that the object might be a possible symbiotic nova in M31.


References

  • Williams, S. C., Darnley, M. J., Hornoch, K. et al., 2017, ATel, 10520, 1, 2017ATel10520....1W


Last updated: August 23, 2021