19409+3956 KOI2991

 
 
19h 40m 52.20s +39 55' 59.2" P.A. 90 sep 4 mag 13.20,19.00
 
 
Coord 2000
19409+3956
Discov num
KOI2991
Comp
Coord arcsec 2000
19 40 52.20 +39 55 59.2
Date first
2010
Date last
2010
Obs
1
Pa first
90
Pa last
90
P.A. Now (θ)
90°
Sep first
4.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
13.20
Mag sec
19.00
delta mag (ΔM)
5.8
Spectral class
Pri motion ra
-006
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.8
Precise sep
3.959
Constellation
Cygnus
Gaia DR2
96455992960
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19409+3956 KOI2991 2010 1 90 4.0 13.20 19.00 K 194052.20+395559.2

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