20172+0452 UC 4137

 
 
20h 17m 12.08s +04 51' 38.2" P.A. 270 sep 15.4 mag 12.62,14.54
 
 
Coord 2000
20172+0452
Discov num
UC 4137
Comp
Coord arcsec 2000
20 17 12.08 +04 51 38.2
Date first
2000
Date last
2015
Obs
4
Pa first
270
Pa last
270
P.A. Now (θ)
270°
Sep first
15.6
Sep last
15.4
Sep. Now (ρ)
15.4"
Mag pri
12.62
Mag sec
14.54
delta mag (ΔM)
1.92
Spectral class
Pri motion ra
-023
Sec motion ra
-015
Pri motion dec
-071
Sec motion dec
-068
Notes
V (Proper motion indicates physical)
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.9
Precise sep
15.424
Constellation
Aquila
last precise pa
269.9
last precise sep
15.424
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172+0452 UC 4137 2000 2 270 15.6 12.60 14.50 V 201712.08+045138.2
20172+0452 UC 4137 2010 3 270 15.2 12.62 14.54 V 201712.08+045138.2
20172+0452 UC 4137 2015 4 270 15.4 12.62 14.54 V 201712.08+045138.2

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