T Pyxidis | has distance from Earth 6000 light-years | |
has reference Shara, M.M., Zurek, D.R., Williams, R.E., Prialnik, D., Roberto.G., Moffat, A.F.J. : 1997, AJ 114, 258. HST Imagery of the Non-Expanding, Clumped Shell of the Recurrent Nova T Pyxidis | |
has erupted in 1966, 1944, 1920, 1902, and 1890. | |
has image | |
has acronym T Pyx | |
has definition a recurrent nova | |
is an instance of recurrent nova | |
recurrent nova | has initial rise of light curve typically 6 magnitudes | |
has prototype star | |
nova | can become naked eye star | |
has energy release 1044 ergs | |
has use nova peak brightness distance determination | |
emission line star | has emission line | |
cataclysmic variable | has synonym eruptive variable | |
has synonym explosive variable | |
has peak brightness | |
has recovery time | |
has outburst start time | |
binary star | has number of stars 2 | |
has orbital period | |
star | has star surface temperature | |
has spectral type | |
has V magnitude | |
has B magnitude | |
has U magnitude | |
has position on celestial sphere from the point of view of Earth | |
has parallax from the point of view of Earth's orbit | |
has proper motion | |
has radiation at surface which is diffused out from the hotter core | |
has energy source gravitational contraction and or fusion | |
has energy production which takes place primarily within the core | |
has surface density which depends on luminosity class | |
has surface temperature greater than 1000 Kelvin | |
has apparent magnitude | |
has absolute magnitude | |
has age | |
has catalog star catalog | |
has material hydrogen, helium | |
has velocity determined from proper motion and radial velocity | |
has mass greater than 0.08 the sun's mass | |
star system | has abundance half the stars in the solar neighborhood are members of star systems | |
celestial body | has spectra | |
variable | has name designated with - R, S, T, U, V, W, X, Y, or Z and the genitive of the latin constellation name
- RR, RS, RT, RU, RV, RW, RX, RY, or RZ and the genitive of the latin constellation name when the single letter designations are exhausted
- AA...AZ, BB...BZ, etc. (omitting J), which ends with QQ...QZ and the genitive of the latin constellation namewhen the RR...RZ designations are exhausted
- V 335, V 336, etc., when the double letter designations are exhausted
| |
has observational problem some difficulty in distinguishing between various kinds | |
has observable variation time scale within a period of decades | |
has light curve | |
has optical brightness variation 0.2 magnitudes or greater | |
has amplitude | |
physical object | has location or center of gravity | |
has angular momentum | |
has momentum | |
has temperature | |
has volume | |
has extent | |