20211-0549 UC 4155

 
 
20h 21m 05.23s -05 48' 56.6" P.A. 346 sep 52.7 mag 15.80,16.30
 
 
Coord 2000
20211-0549
Discov num
UC 4155
Comp
Coord arcsec 2000
20 21 05.23 -05 48 56.6
Date first
1998
Date last
2010
Obs
4
Pa first
346
Pa last
346
P.A. Now (θ)
346°
Sep first
51.6
Sep last
52.7
Sep. Now (ρ)
52.7"
Mag pri
15.80
Mag sec
16.30
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+020
Sec motion ra
+027
Pri motion dec
-070
Sec motion dec
-052
Notes
V (Proper motion indicates physical)
rPM=0.265 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.5
Precise sep
52.69
Constellation
Aquila
last precise pa
345.5
last precise sep
52.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20211-0549 UC 4155 2000 2 346 51.7 15.80 16.30 V 202105.23-054856.6
20211-0549 UC 4155 2010 4 346 52.6 15.80 16.30 V 202105.23-054856.6

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