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
Cdsa2 id
UC 4137
Constellation
Aquila
Ra deg
20.28668888888889
De deg
4.860611111111111
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.