POSSIBLE
MILKY WAY
|
PPA J1808-2346 | IRAS - | GSC2.4.2 S9S2032981 | AAVSO - |
SIMBAD Gaia DR3 4066475624310129664 | Pan-STARRS 79462721183374536 | SAO - | VSX - |
GAIA DR3 4066475624310129664 | SkyMapper 180828.38-234647.3 | WRAY - | GCVS - |
2MASS J18082839-2346472 | HIP - | Hen - | BD - |
WISE J180828.39-234647.4 | 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 (°) | 272.1183Ref | Parallax (mas) | 0.097±0.067Ref | Reddening E(B-V) (mag) | 2.98±0.17Ref, Note |
Declination (°) | -23.7798Ref | Distance (kpc) | 5.80Ref, Note, 5.80Ref, Note | ||
Galactic longitude (°) | 7.0284Ref | Proper motion in α (mas/yr) | -7.09±0.10Ref | ||
Galactic latitude (°) | -1.8381Ref | Proper motion in δ (mas/yr) | -9.39±0.07Ref |
X-Ray | - | IR type | S?Ref | Radio | - |
X-Ray type | - | J (mag) | 10.26Ref | Flickering | - |
GALEX FUV (mag) | - | H (mag) | 8.87Ref | Outbursts | - |
GALEX NUV (mag) | - | K (mag) | 8.35Ref | Outburst type | - |
IUE | NoRef | WISE W1 (mag) | 7.92Ref | Jets | - |
FUSE | NoRef | WISE W2 (mag) | 7.84Ref | Resolved nebula | - |
U (mag) | - | WISE W3 (mag) | 7.55Ref | IPmax (eV) | 35.1Ref |
B (mag) | - | WISE W4 (mag) | 7.17Ref | [O III] lines | YesRef |
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) | 18.30Ref | IRAS 100μm (Jy) | - | ||
G (mag) | 15.00Ref | AKARI S09 (Jy) | - | ||
RP (mag) | 13.47Ref | AKARI S18 (Jy) | - |
Orbital period (days) | - | γ velocity (km/h) | 73.36±4.84Ref | 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 | S?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) | - |
Symbiotic star candidate in HASH Database of PNe (Parker et al., 2016). Suggested based on infrared colors. The spectrum displays a red continuum, Balmer lines in emission, along with [N II] and [S II] lines, as well as faint He I and [O III]. It appears faint in WISE observations.