20176+3132 TDS1057

 
 
20h 17m 36.60s +31 32' 21.8" P.A. 339 sep 1.7 mag 11.06,11.92
 
 
Coord 2000
20176+3132
Discov num
TDS1057
Comp
Coord arcsec 2000
20 17 36.60 +31 32 21.8
Date first
1991
Date last
2015
Obs
3
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
11.06
Mag sec
11.92
delta mag (ΔM)
0.86
Spectral class
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.1
Precise sep
1.732
Constellation
Cygnus
Tycho2
2672-00861-1
Gaia DR2
41520012160
HD
332164
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176+3132 TDS1057 2000 2 341 1.7 11.06 11.92 201736.60+313221.8
20176+3132 TDS1057 2015 3 339 1.7 11.06 11.92 201736.60+313221.8

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