Input interpretation
actinium | melting point
Result
1050 °C (degrees Celsius)
Unit conversions
1323 K (kelvins)
1922 °F (degrees Fahrenheit)
2382 °R (degrees Rankine)
840 °Ré (degrees Réaumur)
558.7 °Rø (degrees Rømer)
Comparisons as temperature
250 °C below to 350 °C above typical temperature of magma (700 to 1300 °C)
150 °C above large log fire temperature (1170 K)
Blackbody information
perceived color | peak wavelength | 2.19 µm (micrometers) peak frequency | 77.79 THz (terahertz)
Corresponding quantities
Thermodynamic energy E from E = kT: | 11 ceV (centielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 173799 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 2813 lx (lux)
Thermodynamic properties
phase at STP | solid melting point | 1050 °C (rank: 46th) boiling point | 3200 °C (rank: 30th) molar heat of fusion | 14 kJ/mol (rank: 34th) molar heat of vaporization | 400 kJ/mol (rank: 22nd) specific heat at STP | 120 J/(kg K) (rank: 82nd) (properties at standard conditions)