CREATE TABLE table_44984 ("Name" TEXT, "Latitude" TEXT, "Longitude" TEXT, "Diameter  ( km ) " FLOAT, "Year named" FLOAT)

Which Longitude has a Latitude of 73.0s, and a Name of aibarchin planitia?
SELECT "Longitude" FROM table_44984 WHERE "Latitude" = '73.0s' AND "Name" = 'aibarchin planitia'
SELECT "Longitude" FROM "table_44984" WHERE "Latitude" = '73.0s' AND "Name" = 'aibarchin planitia'