20070+3554 SEI 887AB

 
 
20h 06m 55.73s +35 54' 20.7" P.A. 200 sep 22.8 mag 10.66,13.10 Sp A0
 
 
Coord 2000
20070+3554
Discov num
SEI 887
Comp
AB
Coord arcsec 2000
20 06 55.73 +35 54 20.7
Date first
1896
Date last
2015
Obs
11
Pa first
201
Pa last
200
P.A. Now (θ)
200°
Sep first
22.4
Sep last
22.8
Sep. Now (ρ)
22.8"
Mag pri
10.66
Mag sec
13.10
delta mag (ΔM)
2.44
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-005
Notes
U (Proper motion indicates non-physical)
rPM=0.4
This double is not physical.
 
 
20070+3554 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20070+3554 SEI 887 AB 1896 2015 11 200 22.8 10.66 13.10 2.44 <===
Show 20070+3554 SEI 888 AC 1896 2015 10 53 21.6 10.66 13.50 2.84
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
199.9
Precise sep
22.848
Constellation
Cygnus
Tycho2
2683-02560-1
Gaia DR2
63454679168
HD
227732
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20070+3554 SEI 887 AB 2002 5 200 22.9 9.00 11.00 D 200655.73+355420.7
20070+3554 SEI 887 AB 2015 7 200 22.8 10.66 13.10 A0 U 200655.73+355420.7

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