CONFIRMED
MILKY WAY
|
| PGIR 20djo | IRAS - | GSC2.4.2 N2B3003917 | AAVSO 000-BNF-911 |
| SIMBAD 2MASS J19035618+0901583 | Pan-STARRS 118832859841209942 | SAO - | VSX 844419 |
| GAIA DR3 4310558684435548416 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J19035618+0901583 | HIP - | Hen - | BD - |
| WISE - | TYC - | ESO - | HD - |
| Bidelman (1954) | - | Allen (1984) | - | Belzcyński et al. (2001) | - |
| Gaposchkin (1957) | - | Kenyon (1986) | - | Akras et al. (2019) | - |
| Boyarchuk (1969) | - | Vaidis (1988, 1991) | - |
| Right ascension (°) | 285.9841Ref | Parallax (mas) | 0.405±0.266Ref | Reddening E(B-V) (mag) | 2.88±0.07Ref, Note |
| Declination (°) | 9.0329Ref | Distance (kpc) | 6.73Ref, Note, 4.90Ref, Note | ||
| Galactic longitude (°) | 42.3898Ref | Proper motion in α (mas/yr) | 0.84±0.20Ref | ||
| Galactic latitude (°) | 1.3569Ref | Proper motion in δ (mas/yr) | -3.20±0.19Ref |
| X-Ray | NoRef | IR type | SRef | Radio | - |
| X-Ray type | - | J (mag) | 14.78Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 14.00Ref | Outbursts | YesRef |
| GALEX NUV (mag) | - | K (mag) | 13.71Ref | Outburst type | - |
| 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) | 20.26Ref | IRAS 100μm (Jy) | - | ||
| G (mag) | 19.32Ref | AKARI S09 (Jy) | - | ||
| RP (mag) | 17.36Ref | AKARI S18 (Jy) | - |
| 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 | - |
| Spectral type | - | Mass (M⊙) | - | Pulsation | - |
| Eff. temperature (K) | - | Radius (R⊙) | - | Type | - |
| IR type | SRef | Luminosity (L⊙) | - | Pulsation period (days) | - |
| Metallicity [Fe/H] | - | Pulsation ephemeris | - |
| Type/Spectral type | - | Mass (M⊙) | - | Spin period (min) | - |
| Shell-burning/Accreting-only | shell-burningRef | Radius (R⊙) | - | Accretion disk | - |
| Eff. temperature (K) | - | Luminosity (L⊙) | - | ||
| Lower limit (K) | - | ||||
| Upper limit (K) | - |
The spectrum reveals a very red continuum along with strong Balmer emission lines and emission lines of He II, O I, Fe II, and Ca II (De et al., 2021). Brightening was detected between 2019 and 2021 (AT 2019aajn).