19409+4036 KOI 645AB

 
 
19h 40m 52.18s +40 35' 32.3" P.A. 48 sep 3 mag 13.55,15.72 Sp +K9
 
 
Coord 2000
19409+4036
Discov num
KOI 645
Comp
AB
Coord arcsec 2000
19 40 52.18 +40 35 32.3
Date first
2010
Date last
2013
Obs
3
Pa first
51
Pa last
48
P.A. Now (θ)
48°
Sep first
2.8
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
13.55
Mag sec
15.72
delta mag (ΔM)
2.17
Spectral class
+K9
Pri motion ra
-009
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48
Precise sep
2.98
Constellation
Cygnus
last precise pa
48
last precise sep
2.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19409+4036 KOI 645 AB 2011 1 51 2.8 13.55 15.72 K9 R 194052.18+403532.3
19409+4036 KOI 645 AB 2013 2 48 3.0 13.55 15.72 +K9 R 194052.18+403532.3

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