20439+6311 TDT2504

 
 
20h 43m 56.10s +63 10' 34.5" P.A. 357 sep 1.6 mag 11.46,11.78
 
 
Coord 2000
20439+6311
Discov num
TDT2504
Comp
Coord arcsec 2000
20 43 56.10 +63 10 34.5
Date first
1991
Date last
2015
Obs
2
Pa first
1
Pa last
357
P.A. Now (θ)
357°
Sep first
1.5
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
11.46
Mag sec
11.78
delta mag (ΔM)
0.32
Spectral class
Pri motion ra
+025
Sec motion ra
+025
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.2
Precise sep
1.639
Constellation
Cepheus
Tycho2
4250-00916-1
Gaia DR2
36049790592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20439+6311 TDT2504 1991 1 1 1.5 11.46 11.78 204356.10+631034.5
20439+6311 TDT2504 2015 2 357 1.6 11.46 11.78 204356.10+631034.5

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