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Passbands Used in VSX Visual magnitude * Non-standard passband B Johnson B b Strömgren b B* Geneva passband BT Tycho B CCD CCD clear filter clear unfiltered CoRoT CoRoT passband CR wide band R mag CV wide band V mag G Geneva passband g Sloan g g' Sloan g' H 2MASS H HI-1A Helios 1A passband Hp Hipparcos passband I Johnson I i Sloan i i' Sloan i' Ic Cousins Ic i_P1 Pan-STARRS i J Infrared passband 1.24 µm j SRC-J plates K Infrared passband 2.19 µm K' Broadband 1.9-2.3 µm Kp Kepler magnitude Ks 2MASS Ks L Infrared passband L' Infrared passband 3.79 µm M Infrared passband 4.64 µm mp Photographic magnitude mpg Photographic mv Visual NUV GALEX near-UV p Photographic P Photographic pg Photographic PH Photographic pv Photovisual R Johnson r Sloan r r' Sloan r' R1 ROTSE-I Rc Cousins RF Red filter s Sloan passband (unspecified) st Visual steps U Johnson U u Sloan u passband u' Sloan V Johnson V v Strömgren v VT Tycho V W1 WISE passband 3.368 µm Y Geneva passband y Strömgren y z' Sloan z' [3.6] IRAC 3.6 µm References WISE passbands Differences between Sloan ugriz and u'g'r'i'z' passbands

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The International Variable Star Index © 2005-2013 American Association of Variable Star Observers (AAVSO) Version 1.1 [C] 107.22.25.119