20127+3645 SEI1006AB

 
 
20h 12m 43.53s +36 45' 20.1" P.A. 306 sep 17.1 mag 12.00,12.80
 
 
Coord 2000
20127+3645
Discov num
SEI1006
Comp
AB
Coord arcsec 2000
20 12 43.53 +36 45 20.1
Date first
1896
Date last
2016
Obs
12
Pa first
307
Pa last
306
P.A. Now (θ)
306°
Sep first
17.1
Sep last
17.1
Sep. Now (ρ)
17.1"
Mag pri
12.00
Mag sec
12.80
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-003
Sec motion ra
-004
Pri motion dec
-008
Sec motion dec
-007
Notes
rPM=0.166 (< 0.3, Physical double)
This double is physical.
 
 
20127+3645 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20127+3645 SEI1006 AB 1896 2016 12 306 17.1 12.00 12.80 0.80 <===
Show 20127+3645 SLE 964 AC 1985 2015 9 332 11.5 12.00 14.70 2.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.5
Precise sep
17.1
Constellation
Cygnus
Tycho2
2683-02289-1
Gaia DR2
48397047424
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20127+3645 SEI1006 AB 1985 3 305 16.8 9.80 10.50 201208.57+364500.0
20127+3645 SEI1006 AB 1999 4 306 17.0 12.00 12.80 201243.53+364520.1
20127+3645 SEI1006 AB 2010 5 307 17.1 12.00 12.80 D 201243.53+364520.1
20127+3645 SEI1006 AB 2016 7 306 17.1 12.00 12.80 201243.53+364520.1

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