CREATE TABLE table_16377 ("Planet" TEXT, "Planet Type" TEXT, "Semimajor Axis  (  AU  ) " TEXT, "Orbital Period" TEXT, "Radial velocity  ( m/s ) " TEXT, "Detectable by:" TEXT)

What generation of spectrograph is Jupiter detected by?
SELECT "Detectable by:" FROM table_16377 WHERE "Planet" = 'Jupiter'
SELECT "Detectable by:" FROM "table_16377" WHERE "Planet" = 'Jupiter'