Zavisimost' Tulli-Fishera

Empiricheskaya zavisimost' mezhdu svetimost'yu i skorost'yu vrasheniya dlya galaktik, ustanovlennaya v rabote Tully i Fisher (1977). Svetimost' galaktiki svyazana s massoi zvezd v nei, a skorost' vrasheniya - s polnoi massoi galaktiki (vidimogo i temnogo veshestva). T.o., zavisimost' svyazyvaet massu vidimogo i temnogo veshestva. Zavisimost' Tulli-Fishera ispol'zuetsya pri opredelenii rasstoyanii do galaktik, a takzhe dlya postroeniya modelei obrazovaniya i evolyucii galaktik.

Zavisimost' mezhdu massoi barionnogo veshestva i maksimal'noi skorost'yu vrasheniya nazyvaetsya barionnoi zavisimost'yu Tulli-Fishera.

Ris. 1. Sleva - zavisimost' Tulli-Fishera v fil'tre V, sprava - barionnaya zavisimost' Tulli-Fishera. Skorost' vrasheniya privedena v km/s, massa i svetimost' - v solnechnyh edinicah. Zapolnennymi i pustymi simvolami otmecheny galaktiki vysokoi i nizkoi poverhnostnoi yarkosti, sootvetstvenno. Krasnymi i sinimi simvolami otmecheny galaktiki s pokazatelyami cveta (B-K)>3 i (B-K)<3, sootvetstvenno.