20107+3703 STT 399AB

 
 
20h 10m 44.13s +37 02' 33.5" P.A. 278 sep 4.6 mag 7.57,9.92 Sp G3Ib
 
 
Coord 2000
20107+3703
Discov num
STT 399
Comp
AB
Coord arcsec 2000
20 10 44.13 +37 02 33.5
Date first
1845
Date last
2015
Obs
25
Pa first
275
Pa last
278
P.A. Now (θ)
278°
Sep first
3.0
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
7.57
Mag sec
9.92
delta mag (ΔM)
2.35
Spectral class
G3Ib (yellow)
Pri motion ra
+003
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
+000
Notes
N (See Notes)
rPM=1
This double is not physical.
 
 
20107+3703 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20107+3703 STT 399 AB 1845 2015 25 278 4.6 7.57 9.92 2.35 <===
Show 20107+3703 WAL 129 AC 1944 2015 5 271 26.9 7.57 11.30 3.73
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.3
Precise sep
4.588
Constellation
Cygnus
Tycho2
2683-00875-1
Gaia DR2
55675740800
HD
191897
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20107+3703 STT 399 AB 2002 21 279 4.3 7.57 9.92 G3Ib D 201044.13+370233.5
20107+3703 STT 399 AB 2010 23 279 4.5 7.57 9.92 G3Ib D 201044.13+370233.5
20107+3703 STT 399 AB 2015 25 278 4.6 7.57 9.92 G3Ib N 201044.13+370233.5

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