4-443: (Redirected from J-band ) J band may refer to: J band (infrared) , an atmospheric transmission window centred on 1.25 μm J band (JRC) , radio frequency bands from 139.5 to 140.5 and 148 to 149 MHz J band (NATO) , a radio frequency band from 10 to 20 GHz Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with
8-448: Is a frequent source of ground based observations since the wavelengths it covers pass through clouds and other atmospheric gasses . The waveband does however suffer from contamination by water vapor lines and hydroxide emission lines leading to relatively high photometric error. It can be used to scrutinize the photosphere of giant and supergiant stars while mostly avoiding opacities from molecular bands and also has access to
12-419: The J band refers to an atmospheric transmission window (1.1 to 1.4 μm) 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. The J band
16-473: The title J band . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=J_band&oldid=1211548980 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages J band (infrared) In infrared astronomy ,
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