gkrannich on 10-Oct-2020 15:08:06 GMT about BD+44 335
Spectral type and luminosity class of this star are probably wrong. During a student work in 2018 an optical spectrum has been recorded and analyzed. The result of our reclassification is SpT=M2III. A calculation of absolute Magnitude has been done with apparent magnitude and distance (Gaia parallax): M=-1.33. With this value the star is situated in the red giant region of HRD.
Please see star #40:
http://www.krannich-online.de/astronomie/spekt_facharb.html#fa_lw
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View annotation on BD+44 335 object