20349-0822 UC 4221

 
 
20h 34m 54.50s -08 21' 53.7" P.A. 312 sep 17.3 mag 13.40,13.70
 
 
Coord 2000
20349-0822
Discov num
UC 4221
Comp
Coord arcsec 2000
20 34 54.50 -08 21 53.7
Date first
1998
Date last
2015
Obs
5
Pa first
312
Pa last
312
P.A. Now (θ)
312°
Sep first
17.4
Sep last
17.3
Sep. Now (ρ)
17.3"
Mag pri
13.40
Mag sec
13.70
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-004
Sec motion ra
-014
Pri motion dec
-067
Sec motion dec
-066
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.149 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.2
Precise sep
17.322
Cdsa2 id
UC 4221
Constellation
Aquila
Ra deg
20.581805555555555
De deg
-8.364916666666666
last precise pa
312.2
last precise sep
17.322
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20349-0822 UC 4221 2000 2 312 17.4 13.40 13.70 V 203454.50-082153.7
20349-0822 UC 4221 2010 4 312 17.5 13.40 13.70 V R 203454.50-082153.7
20349-0822 UC 4221 2015 5 312 17.3 13.40 13.70 V R 203454.50-082153.7

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