20173+2651 TDT2143

 
 
20h 17m 16.18s +26 51' 15.3" P.A. 111 sep 0.5 mag 10.91,11.16
 
 
Coord 2000
20173+2651
Discov num
TDT2143
Comp
Coord arcsec 2000
20 17 16.18 +26 51 15.3
Date first
1991
Date last
2009
Obs
2
Pa first
121
Pa last
111
P.A. Now (θ)
111°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.91
Mag sec
11.16
delta mag (ΔM)
0.25
Spectral class
Pri motion ra
-014
Sec motion ra
-014
Pri motion dec
-025
Sec motion dec
-025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.3
Precise sep
0.45
Constellation
Vulpecula
Tycho2
2163-00267-1
Gaia DR2
22421570560
HD
339900
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20173+2651 TDT2143 1991 1 121 0.4 10.91 11.16 201716.18+265115.3
20173+2651 TDT2143 2009 2 111 0.5 10.91 11.16 201716.18+265115.3

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