is found in the constellation Cygnus. is a red star and is categorized with the coolest stars.

GCVS:
EF Cyg
Right Ascension:
19h 33m 53.130s
Declination:
+30° 7' 59.00"
Magnitude:
14.8 - 12.8
Spectral Type:
M6.5
Constellation:
Cygnus