18568+2817 DBR   8

 
 
18h 56m 49.86s +28 16' 25.8" P.A. 23 sep 7.4 mag 13.80,15.60
 
 
Coord 2000
18568+2817
Discov num
DBR   8
Comp
Coord arcsec 2000
18 56 49.86 +28 16 25.8
Date first
1999
Date last
2015
Obs
5
Pa first
23
Pa last
23
P.A. Now (θ)
23°
Sep first
7.4
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
13.80
Mag sec
15.60
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+000
Sec motion ra
+008
Pri motion dec
-003
Sec motion dec
+004
Notes
rPM=1.188
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.2
Precise sep
7.416
Constellation
Lyra
SAO
86610
Tycho2
2121-01217-1
Gaia DR2
2040249966876433664
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18568+2817 DBR 8 2005 2 23 7.4 13.80 15.60 D 185649.86+281625.8
18568+2817 DBR 8 2010 4 24 7.0 13.80 15.60 185649.86+281625.8
18568+2817 DBR 8 2015 5 23 7.4 13.80 15.60 185649.86+281625.8

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