20490-0749 UC 4297

 
 
20h 48m 59.26s -07° 49' 15.5" P.A. 261.00 sep 21.3 mag 15.20,16.50
 
 
Coord 2000
20490-0749
Discov num
UC 4297
Comp
Coord arcsec 2000
20 48 59.26 -07 49 15.5
Date first
1996
Date last
2016
Obs
8
Pa first
261
Pa last
261
P.A. Now (θ)
261°
Sep first
21.2
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
15.20
Mag sec
16.50
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-002
Sec motion ra
-004
Pri motion dec
-053
Sec motion dec
-056
Notes
V (Proper motion indicates physical)
rPM=0.064 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
261.1
Precise sep
21.257
Constellation
Aquarius
Gaia DR2
6903935009473548672
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20490-0749 UC 4297 2000 2 262 21.2 15.20 16.50 V 204859.26-074915.5
20490-0749 UC 4297 2010 5 261 21.3 15.20 16.50 V 204859.26-074915.5
20490-0749 UC 4297 2015 6 261 21.3 15.20 16.50 V 204859.26-074915.5

If you need more information about this double, apply for a data request form to the WDS.