SUSPECTED
MILKY WAY
|
| Hb 12 | IRAS 23239+5754 | GSC2.4.2 N1D2000349 | AAVSO - |
| SIMBAD PN Hb 12 | Pan-STARRS 177813515618548965 | SAO - | VSX 64518 |
| GAIA DR3 2009637806507452672 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J23261483+5810546 | HIP - | Hen - | BD - |
| WISE J232614.82+581054.6 | TYC 4011-609-1 | 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 (°) | 351.5618Ref | Parallax (mas) | - | Reddening E(B-V) (mag) | 1.84±0.18Ref, Note |
| Declination (°) | 58.1818Ref | Distance (kpc) | -, Note |
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| Galactic longitude (°) | 111.8780Ref | Proper motion in α (mas/yr) | - | ||
| Galactic latitude (°) | -2.8498Ref | Proper motion in δ (mas/yr) | - |
| X-Ray | - | IR type | D'?Ref | Radio | YesRef |
| X-Ray type | - | J (mag) | 10.23Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 9.83Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 8.81Ref | Outburst type | - |
| IUE | YesRef | WISE W1 (mag) | 7.14Ref | Jets | Yes?Ref |
| FUSE | NoRef | WISE W2 (mag) | 5.74Ref | Resolved nebula | YesRef |
| U (mag) | - | WISE W3 (mag) | 0.40Ref | IPmax (eV) | - |
| B (mag) | 12.77Ref | WISE W4 (mag) | -2.11Ref | [O III] lines | - |
| V (mag) | 11.62Ref | IRAS 12μm (Jy) | 20.90Ref | He II lines | - |
| R (mag) | 12.44Ref | IRAS 25μm (Jy) | 71.20Ref | [Fe VII] lines | - |
| I (mag) | - | IRAS 60μm (Jy) | 35.80Ref | O VI lines | - |
| BP (mag) | 11.63Ref | IRAS 100μm (Jy) | 13.00Ref | ||
| G (mag) | 11.77Ref | AKARI S09 (Jy) | 11.88Ref | ||
| RP (mag) | 10.70Ref | AKARI S18 (Jy) | 40.60Ref |
| 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 | ORef | 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 | - | Radius (R⊙) | - | Accretion disk | - |
| Eff. temperature (K) | - | Luminosity (L⊙) | - | ||
| Lower limit (K) | - | ||||
| Upper limit (K) | - |
Suspected to be a PN with a symbiotic core (Corradi, 2003), Hb 12 exhibits a similar nested hourglass morphology as other resolved symbiotic nebulae (Kwok & Hsia, 2007). The central star of Hb 12 remains undetected, as reported in Clark et al. (2014).