20404+3758 SEI1212AB

 
 
20h 40m 24.18s +37 57' 47.5" P.A. 195.00 sep 18.9 mag 10.30,11.80
 
 
Coord 2000
20404+3758
Discov num
SEI1212
Comp
AB
Coord arcsec 2000
20 40 24.18 +37 57 47.5
Date first
1896
Date last
2015
Obs
12
Pa first
191
Pa last
195
P.A. Now (θ)
195°
Sep first
24.9
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
10.30
Mag sec
11.80
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-054
Sec motion dec
+000
Notes
rPM=0.998
This double is not physical.
 
 
20404+3758 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20404+3758 SEI1212 AB 1896 2015 12 195 18.9 10.30 11.80 1.50 <===
Show 20404+3758 FYM 327 AC 1998 2015 7 30 14.0 10.30 14.90 4.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195
Precise sep
18.9
Constellation
Cygnus
Tycho2
3166-01587-1
Gaia DR2
96004590208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20404+3758 SEI1212 AB 2015 7 195 18.9 10.30 11.80 204024.18+375747.5

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