19387+4351 KOI 520AB

 
 
19h 38m 40.31s +43 51' 11.9" P.A. 272 sep 5.7 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
2015
Obs
3
Pa first
273
Pa last
272
P.A. Now (θ)
272°
Sep first
5.4
Sep last
5.7
Sep. Now (ρ)
5.7"
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
271.8
Precise sep
5.704
Constellation
Cygnus
SAO
48680
Gaia DR2
97246582016
 
 
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
19387+4351 KOI 520 AB 2015 3 272 5.7 14.30 18.14 K0+K9 R 193840.31+435111.9

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