SUSPECTED
MILKY WAY
|
Th 2-B | IRAS 13252-6334 | GSC2.4.2 S7KI186833 | AAVSO - |
SIMBAD PN Th 2-B | Pan-STARRS - | SAO - | VSX - |
GAIA DR3 5864938685013848320 | SkyMapper - | WRAY 16-130 | GCVS - |
2MASS J13283885-6349463 | HIP - | Hen 2-93 | BD - |
WISE J132838.85-634946.3 | TYC - | ESO 96-12 | HD - |
Bidelman (1954) | - | Allen (1984) | - | Belzcyński et al. (2001) | - |
Gaposchkin (1957) | - | Kenyon (1986) | - | Akras et al. (2019) | Th 2-B (Susp.) |
Boyarchuk (1969) | - | Vaidis (1988, 1991) | - |
Right ascension (°) | 202.1618Ref | Parallax (mas) | 0.412±0.074Ref | Reddening E(B-V) (mag) | 1.53±0.05Ref, Note |
Declination (°) | -63.8295Ref | Distance (kpc) | 2.30Ref, Note, 2.14Ref, Note | ||
Galactic longitude (°) | 307.0211Ref | Proper motion in α (mas/yr) | -7.45±0.06Ref | ||
Galactic latitude (°) | -1.2536Ref | Proper motion in δ (mas/yr) | -1.66±0.07Ref |
X-Ray | - | IR type | S?Ref | Radio | - |
X-Ray type | - | J (mag) | 12.95Ref | Flickering | - |
GALEX FUV (mag) | - | H (mag) | 11.41Ref | Outbursts | - |
GALEX NUV (mag) | - | K (mag) | 9.89Ref | Outburst type | - |
IUE | NoRef | WISE W1 (mag) | 7.94Ref | Jets | - |
FUSE | NoRef | WISE W2 (mag) | 6.68Ref | Resolved nebula | - |
U (mag) | - | WISE W3 (mag) | 3.63Ref | IPmax (eV) | 40.7Ref |
B (mag) | - | WISE W4 (mag) | 1.59Ref | [O III] lines | YesRef |
V (mag) | 15.20Ref | IRAS 12μm (Jy) | 1.40Ref | He II lines | NoRef |
R (mag) | 15.72Ref | IRAS 25μm (Jy) | 2.15Ref | [Fe VII] lines | NoRef |
I (mag) | 14.54Ref | IRAS 60μm (Jy) | 3.22Ref | O VI lines | NoRef |
BP (mag) | 15.89Ref | IRAS 100μm (Jy) | 34.70Ref | ||
G (mag) | 15.50Ref | AKARI S09 (Jy) | 1.11Ref | ||
RP (mag) | 14.47Ref | AKARI S18 (Jy) | 1.55Ref |
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 | S?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) | - |
Initially classified as a PN, the potential symbiotic nature of the core of this object was proposed by Corradi (1995). However, no central star has been detected in the spectra.