DQ Herculis | 1044 ergs | | | | greater than 1000 Kelvin | 4h39m | naked eye star | determined from proper motion and radial velocity | which depends on luminosity class | eclipsing binary | | 0.2 magnitudes or greater | | from the point of view of Earth's orbit | some difficulty in distinguishing between various kinds | | from the point of view of Earth | or center of gravity | 1934 | | which is diffused out from the hotter core | CV | | | white dwarf | half the stars in the solar neighborhood are members of star systems | | | | M dwarf | | | gravitational contraction and or fusion | which takes place primarily within the core | | star catalog | | | | | | | hydrogen, helium | | greater than 0.08 the sun's mass | - 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
| | within a period of decades | nova peak brightness distance determination | Nova Herculis 1934 | A slow nova which also happens to be an eclipsing binary. It also has a regular flickering period of 71 seconds, the shortest period of regular variations known, except for pulsars and compact X-ray objects. It is probably composed of an M dwarf and a white dwarf with an accretion disk. | 2 |