20338+2125 TDS1083

 
 
20h 33m 48.84s +21 25' 15.2" P.A. 353.00 sep 2.6 mag 10.11,10.39
 
 
Coord 2000
20338+2125
Discov num
TDS1083
Comp
Coord arcsec 2000
20 33 48.84 +21 25 15.2
Date first
1991
Date last
2018
Obs
7
Pa first
354
Pa last
353
P.A. Now (θ)
353°
Sep first
2.5
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.11
Mag sec
10.39
delta mag (ΔM)
0.28
Spectral class
Pri motion ra
+004
Sec motion ra
+003
Pri motion dec
-014
Sec motion dec
-013
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.097 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.4
Precise sep
2.616
Constellation
Vulpecula
Tycho2
1645-00141-1
Gaia DR2
74985489920
HD
346950
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20338+2125 TDS1083 2003 4 354 2.5 10.11 10.39 203348.86+212512.7
20338+2125 TDS1083 2013 5 354 2.5 10.11 10.39 203348.86+212512.7
20338+2125 TDS1083 2015 6 354 2.6 10.11 10.39 203348.84+212515.2
20338+2125 TDS1083 2018 7 353 2.6 10.11 10.39 203348.84+212515.2

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