20114+3135 SEI 963

 
 
20h 11m 23.63s +31 35' 03.8" P.A. 142 sep 15.2 mag 11.56,11.64 Sp F2
 
 
Coord 2000
20114+3135
Discov num
SEI 963
Comp
Coord arcsec 2000
20 11 23.63 +31 35 03.8
Date first
1893
Date last
2015
Obs
12
Pa first
145
Pa last
142
P.A. Now (θ)
142°
Sep first
16.3
Sep last
15.2
Sep. Now (ρ)
15.2"
Mag pri
11.56
Mag sec
11.64
delta mag (ΔM)
0.08
Spectral class
F2 (yellow-white)
Pri motion ra
-001
Sec motion ra
-002
Pri motion dec
-009
Sec motion dec
-005
Notes
rPM=0.455
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141.9
Precise sep
15.179
Constellation
Cygnus
SAO
69569
Tycho2
2671-01094-1
Gaia DR2
61840013312
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20114+3135 SEI 963 1998 5 142 15.3 11.56 11.64 F2 D 201123.63+313503.8
20114+3135 SEI 963 2002 6 142 15.2 11.56 11.64 F2 D 201123.63+313503.8
20114+3135 SEI 963 2010 7 142 15.3 11.56 11.64 F2 201123.63+313503.8
20114+3135 SEI 963 2015 8 142 15.2 11.56 11.64 F2 201123.63+313503.8

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