POSSIBLE
MILKY WAY
|
Sa 2-18 | IRAS 07511-3636 | GSC2.4.2 S627006374 | AAVSO - |
SIMBAD PN Sa 2-18 | Pan-STARRS - | SAO - | VSX - |
GAIA DR3 5539301892405179904 | SkyMapper 075257.74-364354.6 | WRAY - | GCVS - |
2MASS J07525775-3643546 | HIP - | Hen - | BD - |
WISE J075257.74-364354.6 | TYC - | ESO 369-2 | HD - |
Bidelman (1954) | - | Allen (1984) | - | Belzcyński et al. (2001) | - |
Gaposchkin (1957) | - | Kenyon (1986) | - | Akras et al. (2019) | - |
Boyarchuk (1969) | - | Vaidis (1988, 1991) | - |
Right ascension (°) | 118.2406Ref | Parallax (mas) | - | Reddening E(B-V) (mag) | 1.09±0.02Ref, Note |
Declination (°) | -36.7318Ref | Distance (kpc) | -, Note |
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Galactic longitude (°) | 252.0863Ref | Proper motion in α (mas/yr) | - | ||
Galactic latitude (°) | -4.7911Ref | Proper motion in δ (mas/yr) | - |
X-Ray | - | IR type | D'?Ref | Radio | YesRef |
X-Ray type | - | J (mag) | 13.66Ref | Flickering | - |
GALEX FUV (mag) | - | H (mag) | 13.21Ref | Outbursts | - |
GALEX NUV (mag) | - | K (mag) | 12.14Ref | Outburst type | - |
IUE | NoRef | WISE W1 (mag) | 10.23Ref | Jets | - |
FUSE | NoRef | WISE W2 (mag) | 8.78Ref | Resolved nebula | - |
U (mag) | - | WISE W3 (mag) | 3.53Ref | IPmax (eV) | 54.4Ref |
B (mag) | 17.62Ref | WISE W4 (mag) | 0.51Ref | [O III] lines | YesRef |
V (mag) | 15.89Ref | IRAS 12μm (Jy) | 1.45Ref | He II lines | YesRef |
R (mag) | - | IRAS 25μm (Jy) | 6.38Ref | [Fe VII] lines | NoRef |
I (mag) | - | IRAS 60μm (Jy) | 3.87Ref | O VI lines | NoRef |
BP (mag) | 16.14Ref | IRAS 100μm (Jy) | 12.70Ref | ||
G (mag) | 17.94Ref | AKARI S09 (Jy) | 0.62Ref | ||
RP (mag) | 15.15Ref | AKARI S18 (Jy) | 3.71Ref |
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 likely symbiotic system in HASH Database of PNe (Parker et al., 2016). The spectrum shows numerous emission lines, including Balmer lines, He I, He II, [O III], etc.