page_title: J band (infrared)
hierarchical_section_title: J band (infrared)
context_page_description: In infrared astronomy, the J band refers to an atmospheric transmission window centred on 1.25 micrometres.
  Betelgeuse is the brightest near-IR source in the sky with a J band magnitude of −2.99. The next brightest stars in the J band are Antares, R Doradus, Arcturus, and Aldebaran. In the J band Sirius is the 9th brightest star.
context_section_description: In infrared astronomy, the J band refers to an atmospheric transmission window (1.1 to 1.4 um) centred on 1.25 micrometres (in the near-infrared). 
  Betelgeuse is the brightest near-IR source in the sky with a J band magnitude of −2.99. The next brightest stars in the J band are Antares (−2.7), R Doradus (−2.6), Arcturus (−2.2), and Aldebaran (−2.1). In the J band Sirius is the 9th brightest star.
caption: Atmospheric windows in the infrared. The J band is the transmission window (1.1 to 1.4 um) centred on 1.25 micrometres
exif: {}