18590+4710 KOI  21

 
 
18h 58m 57.26s +47 10' 10.6" P.A. 57 sep 2.2 mag 12.00,14.40
 
 
Coord 2000
18590+4710
Discov num
KOI  21
Comp
Coord arcsec 2000
18 58 57.26 +47 10 10.6
Date first
2010
Date last
2015
Obs
2
Pa first
60
Pa last
57
P.A. Now (θ)
57°
Sep first
2.1
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
12.00
Mag sec
14.40
delta mag (ΔM)
2.4
Spectral class
Pri motion ra
-009
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.1
Precise sep
2.22
Constellation
Lyra
Gaia DR2
93766149120
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18590+4710 KOI 21 2010 1 60 2.1 12.00 14.40 K 185857.26+471010.6
18590+4710 KOI 21 2015 2 57 2.2 12.00 14.40 K 185857.26+471010.6

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