20251+3408 COU1951

 
 
20h 25m 08.09s +34 07' 51.4" P.A. 179 sep 1.4 mag 9.93,10.86 Sp A2
 
 
Coord 2000
20251+3408
Discov num
COU1951
Comp
Coord arcsec 2000
20 25 08.09 +34 07 51.4
Date first
1981
Date last
2015
Obs
7
Pa first
177
Pa last
179
P.A. Now (θ)
179°
Sep first
1.1
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
9.93
Mag sec
10.86
delta mag (ΔM)
0.93
Spectral class
A2 (white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179
Precise sep
1.354
Constellation
Cygnus
SAO
69984
Tycho2
2693-01191-1
Gaia DR2
77815611904
HD
332223
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20251+3408 COU1951 2006 6 179 1.3 9.93 10.86 202508.09+340751.4
20251+3408 COU1951 2015 7 179 1.4 9.93 10.86 A2 202508.09+340751.4

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