20135+3828 TDT2103AB

 
 
20h 13m 32.32s +38 28' 23.4" P.A. 181 sep 1.1 mag 11.40,11.62 Sp A2
 
 
Coord 2000
20135+3828
Discov num
TDT2103
Comp
AB
Coord arcsec 2000
20 13 32.32 +38 28 23.4
Date first
1991
Date last
1991
Obs
1
Pa first
181
Pa last
181
P.A. Now (θ)
181°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
11.40
Mag sec
11.62
delta mag (ΔM)
0.22
Spectral class
A2 (white)
Pri motion ra
+010
Sec motion ra
+005
Pri motion dec
+002
Sec motion dec
+005
Notes
rPM=0.572
Nature of this double is uncertain.
 
 
20135+3828 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20135+3828 TDT2103 AB 1991 1991 1 181 1.1 11.40 11.62 0.22 <===
Show 20135+3828 ES 2121 AC 1924 2015 4 233 3.5 11.40 12.80 1.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.9
Precise sep
1.05
Constellation
Cygnus
SAO
69638
Tycho2
3151-02624-1
Gaia DR2
85915482112
HD
228409
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20135+3828 TDT2103 AB 1991 1 181 1.1 11.40 11.62 201332.34+382824.4

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