20417-4253 TDT2475

 
 
20h 41m 40.36s -42 52' 58.7" P.A. 303.00 sep 1.0 mag 11.27,11.53
 
 
Coord 2000
20417-4253
Discov num
TDT2475
Comp
Coord arcsec 2000
20 41 40.36 -42 52 58.7
Date first
1991
Date last
2016
Obs
4
Pa first
297
Pa last
303
P.A. Now (θ)
303°
Sep first
1.1
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.27
Mag sec
11.53
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
+006
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.3
Precise sep
1.029
Constellation
Microscopium
Tycho2
7971-00019-1
Gaia DR2
83971040256
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20417-4253 TDT2475 1991 1 297 1.1 11.27 11.53 204140.36-425258.7
20417-4253 TDT2475 2015 2 304 1.0 11.27 11.53 204140.36-425258.7

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