Observation Band Descriptions

The band field of the Quick Look File describes the bandpass used to make the observation. Below are the available bandpasses.

• N/A Unknown filter
• Vis.: Visual observations
• U: Johnson U band
• V: Johnson V band (a.k.a. "photometric V")
• B: Johnson B band
• R: Cousins R band (Rc); current standard
• I: Cousins I band (Ic); current standard
• RJ: Johnson R band; less common
• IJ: Johnson I band; less common
• SZ: Sloan z band
• SU: Sloan u band
• SG: Sloan g band
• SR: Sloan r band
• SI: Sloan i band
• CV: Unfiltered with a V zeropoint
• CR: Unfiltered with a Red zeropoint
• J: J band (NIR 1.2micron)
• H: H band (NIR 1.6micron)
• K: K band (NIR 2.2micron)
• TB: Blue filter from the RGB set (Tri-Color Blue)
• TG: Green filter from the RGB set (Tri-Color Green)
• TR: Red filter from the RGB set (Tri-Color Red)
• Orange: Orange filter (used by Liller)
• Yellow-Vis.: Yellow filter used visually
• Green-Vis.: Green filter used visually
• Red-Vis.: Red filter used visually
• Blue-Vis.: Blue filter used visually
• MA: Wing A (712 nm) near-IR filter
• MB: Wing B (754 nm) near-IR filter
• MI: Wing C (1025 nm) near-IR filter
• STU: Stromgren u filter
• STV: Stromgren v filter
• STB: Stromgren b filter
• STY: Stromgren y filter
• STHBW: Stromgren Hbw filter
• STHBN: Stromgren Hbn filter

Info on the official AAVSO reporting formats is here.