20109+3857 DAM 198

 
 
20h 10m 56.63s +38 56' 45.0" P.A. 263 sep 6.4 mag 11.50,14.50 Sp A5
 
 
Coord 2000
20109+3857
Discov num
DAM 198
Comp
Coord arcsec 2000
20 10 56.63 +38 56 45.0
Date first
1998
Date last
2015
Obs
8
Pa first
263
Pa last
263
P.A. Now (θ)
263°
Sep first
6.4
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
11.50
Mag sec
14.50
delta mag (ΔM)
3
Spectral class
A5 (white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.3
Precise sep
6.439
Constellation
Cygnus
Tycho2
3151-01701-1
Gaia DR2
43810466432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20109+3857 DAM 198 2000 2 263 6.4 11.50 14.50 A5 D 201056.63+385645.0
20109+3857 DAM 198 2002 3 264 6.4 11.50 14.50 A5 D 201056.63+385645.0
20109+3857 DAM 198 2010 3 264 6.6 11.50 14.50 A5 201056.63+385645.0
20109+3857 DAM 198 2015 4 263 6.4 11.50 14.50 A5 201056.63+385645.0

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