4 herculis

HD 142926 SAO 45790 HIP 77986 GSC 3060:1881
Magnitude: 5.73

Equatorial 2000: RA: 15h 55m 30.592s Dec: +42°33'58.295"

Spectral: B9p

Distance: 482 al

Evolution du spectre autour de Halpha: 1999 (C.Buil), 2000 (OHP Elodie), 2001 (C.Buil)

 

Evolution du spectre autour de Halpha: 2005 (C.Buil), 2010 (B. Mauclair), 2012 (C.Buil)

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