20472+8117 TDT2537

 
 
20h 47m 10.45s +81 16' 42.1" P.A. 207.00 sep 0.7 mag 11.41,11.75
 
 
Coord 2000
20472+8117
Discov num
TDT2537
Comp
Coord arcsec 2000
20 47 10.45 +81 16 42.1
Date first
1991
Date last
2015
Obs
2
Pa first
211
Pa last
207
P.A. Now (θ)
207°
Sep first
1.0
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.41
Mag sec
11.75
delta mag (ΔM)
0.34
Spectral class
Pri motion ra
+033
Sec motion ra
+033
Pri motion dec
+032
Sec motion dec
+032
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
206.9
Precise sep
0.671
Constellation
Draco
Tycho2
4598-00432-1
Gaia DR2
11744964352
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20472+8117 TDT2537 1991 1 211 1.0 11.41 11.75 204710.45+811642.1
20472+8117 TDT2537 2015 2 207 0.7 11.41 11.75 204710.45+811642.1

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