19409+4036 KOI 645AB

 
 
19h 40m 52.18s +40 35' 32.3" P.A. 50 sep 2.9 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
2015
Obs
4
Pa first
51
Pa last
50
P.A. Now (θ)
50°
Sep first
2.8
Sep last
2.9
Sep. Now (ρ)
2.9"
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
49.5
Precise sep
2.897
Constellation
Cygnus
Gaia DR2
17234347520
 
 
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
19409+4036 KOI 645 AB 2015 4 50 2.9 13.55 15.72 +K9 R 194052.18+403532.3

If you need more information about this double, apply for a data request form to the WDS.