POSSIBLE
MILKY WAY
|
| M 1-49 | IRAS 18273-1356 | GSC2.4.2 S9JZ311732 | AAVSO - |
| SIMBAD PN M 1-49 | Pan-STARRS 91322775551861466 | SAO - | VSX - |
| GAIA DR3 4104373311887268736 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J18301324-1353567 | HIP - | Hen 2-405 | BD - |
| WISE J183013.25-135356.6 | 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 (°) | 277.5552Ref | Parallax (mas) | 0.069±0.093Ref | Reddening E(B-V) (mag) | 1.82±0.07Ref, Note |
| Declination (°) | -13.8991Ref | Distance (kpc) | 6.63Ref, Note, 4.81Ref, Note | ||
| Galactic longitude (°) | 18.1691Ref | Proper motion in α (mas/yr) | -4.86±0.11Ref | ||
| Galactic latitude (°) | -1.7000Ref | Proper motion in δ (mas/yr) | -3.43±0.08Ref |
| X-Ray | - | IR type | D?Ref | Radio | YesRef |
| X-Ray type | - | J (mag) | 10.09Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 8.03Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 6.42Ref | Outburst type | - |
| IUE | YesRef | WISE W1 (mag) | 4.58Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 3.25Ref | Resolved nebula | YesRef |
| U (mag) | - | WISE W3 (mag) | 1.73Ref | IPmax (eV) | 35.1Ref |
| B (mag) | - | WISE W4 (mag) | 0.53Ref | [O III] lines | YesRef |
| V (mag) | - | IRAS 12μm (Jy) | 7.25Ref | He II lines | NoRef |
| R (mag) | - | IRAS 25μm (Jy) | 5.84Ref | [Fe VII] lines | NoRef |
| I (mag) | 14.20Ref | IRAS 60μm (Jy) | 3.52Ref | O VI lines | NoRef |
| BP (mag) | 16.54Ref | IRAS 100μm (Jy) | 199.00Ref | ||
| G (mag) | 15.41Ref | AKARI S09 (Jy) | 6.62Ref | ||
| RP (mag) | 14.06Ref | AKARI S18 (Jy) | 5.00Ref |
| 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 | D?Ref | Luminosity (L⊙) | - | Pulsation period (days) | - |
| Metallicity [Fe/H] | - | Pulsation ephemeris | - |
| 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) | - |
Classified as a symbiotic candidate in the HASH Database of PNe (Parker et al., 2016), this object displays potential symbiotic bipolar outflows. The spectrum reveals strong Balmer lines, He I, [N II], [S II], and [O III].