18454+4418 KOI1820

 
 
18h 45m 23.71s +44 17' 42.8" P.A. 180 sep 3.7 mag 11.80,17.20
 
 
Coord 2000
18454+4418
Discov num
KOI1820
Comp
Coord arcsec 2000
18 45 23.71 +44 17 42.8
Date first
2010
Date last
2010
Obs
1
Pa first
180
Pa last
180
P.A. Now (θ)
180°
Sep first
3.7
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.80
Mag sec
17.20
delta mag (ΔM)
5.4
Spectral class
Pri motion ra
-008
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
180
Precise sep
3.68
Constellation
Lyra
last precise pa
180
last precise sep
3.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18454+4418 KOI1820 2010 1 180 3.7 11.80 17.20 K 184523.71+441742.8

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