19387+4351 KOI 520AB

 
 
19h 38m 40.31s +43 51' 11.9" P.A. 272 sep 5.6 mag 14.30,18.14 Sp K0+K9
 
 
Coord 2000
19387+4351
Discov num
KOI 520
Comp
AB
Coord arcsec 2000
19 38 40.31 +43 51 11.9
Date first
1998
Date last
2011
Obs
2
Pa first
273
Pa last
272
P.A. Now (θ)
272°
Sep first
5.4
Sep last
5.6
Sep. Now (ρ)
5.6"
Mag pri
14.30
Mag sec
18.14
delta mag (ΔM)
3.84
Spectral class
K0+K9 (yellow-orange/yellow-orange)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271.7
Precise sep
5.628
Constellation
Cygnus
last precise pa
271.7
last precise sep
5.628
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19387+4351 KOI 520 AB 2011 1 272 5.6 14.30 18.14 K0 K9 R 193840.31+435111.9

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