20169+3235 A   284

 
 
20h 16m 56.17s +32 34' 35.1" P.A. 254 sep 0.4 mag 9.88,10.13 Sp A2
 
 
Coord 2000
20169+3235
Discov num
A   284
Comp
Coord arcsec 2000
20 16 56.17 +32 34 35.1
Date first
1901
Date last
2011
Obs
15
Pa first
259
Pa last
254
P.A. Now (θ)
254°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.88
Mag sec
10.13
delta mag (ΔM)
0.25
Spectral class
A2 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
253.8
Precise sep
0.42
Constellation
Cygnus
SAO
69747
Tycho2
2676-00172-1
Gaia DR2
72534800512
HD
332048
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+3235 A 284 2000 12 255 0.4 9.88 10.13 A2 201656.17+323435.1
20169+3235 A 284 2007 13 111 0.5 9.88 10.13 A2 201656.17+323435.1
20169+3235 A 284 2008 15 66 0.4 9.88 10.13 A2 201656.17+323435.1
20169+3235 A 284 2011 16 74 0.4 9.88 10.13 A2 201656.17+323435.1

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