AT2018ggy
SUSPECTED
MILKY WAY
Constellation
Andromeda |
Equatorial coordinates
α = 23 26 01.296
δ = +38 08 47.750 |
Galactic coordinates
l = 104.9769°
b = -21.7291° |
| Suspected |
2018Ref |
| Confirmed |
- |
| Symbiotic IR type |
- |
| Hot component type |
- |
| Outbursts |
YesRef |
|
|
Identifiers
| AT2018ggy |
IRAS - |
GSC2.4.2 N07U029377 |
AAVSO - |
| SIMBAD AT 2018ggy |
Pan-STARRS 153773515054046520 |
SAO - |
VSX - |
| GAIA DR3 - |
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 (°) |
351.5054Ref |
Parallax (mas) |
- |
Reddening E(B-V) (mag) |
0.14±0.0Ref, Note |
| Declination (°) |
38.1466Ref |
Distance (kpc) |
-, Note |
|
|
| Galactic longitude (°) |
104.9769Ref |
Proper motion in α (mas/yr) |
- |
|
|
| Galactic latitude (°) |
-21.7291Ref |
Proper motion in δ (mas/yr) |
- |
|
|
Observations
| X-Ray |
- |
IR type |
- |
Radio |
Yes?Ref |
| X-Ray type |
- |
J (mag) |
14.39Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
13.69Ref |
Outbursts |
YesRef |
| GALEX NUV (mag) |
- |
K (mag) |
13.24Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
- |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
- |
Resolved nebula |
- |
| U (mag) |
- |
WISE W3 (mag) |
- |
IPmax (eV) |
13.6Ref |
| B (mag) |
- |
WISE W4 (mag) |
- |
[O III] lines |
NoRef |
| V (mag) |
- |
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) |
- |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
- |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
- |
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 |
- |
Radius (R⊙) |
- |
Accretion disk |
- |
| Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
| Lower limit (K) |
- |
|
|
|
|
| Upper limit (K) |
- |
|
|
|
|
Notes
Classified as a symbiotic star in outburst based on the red continuum and Balmer lines in emission, as reported in Costantin et al. (2018).
References
- Costantin, L., Avramova-Bonche, A., Pinter, V. et al., 2018, ATel, 12047, 1, 2018ATel12047....1C
Last updated: May 31, 2021