Title: Problems of calibration of absolute magnitudes and temperature of stars
Subjects: Stars, Congresses, Magnitudes, Temperature, Parallax, Étoiles, Congrès, Température, Parallaxe, 39.19 practical astronomy: other, Calibratie, Magnituden, Sterrenkunde, Temperatuur, CONFERENCES, Etoile, Température étoile, Magnitude absolue