20178-0447 UC 4140

 
 
20h 17m 48.90s -04 47' 17.4" P.A. 349 sep 24.3 mag 13.66,16.21
 
 
Coord 2000
20178-0447
Discov num
UC 4140
Comp
Coord arcsec 2000
20 17 48.90 -04 47 17.4
Date first
1998
Date last
2010
Obs
4
Pa first
349
Pa last
349
P.A. Now (θ)
349°
Sep first
24.7
Sep last
24.3
Sep. Now (ρ)
24.3"
Mag pri
13.66
Mag sec
16.21
delta mag (ΔM)
2.55
Spectral class
Pri motion ra
+041
Sec motion ra
+035
Pri motion dec
+062
Sec motion dec
+047
Notes
V (Proper motion indicates physical)
rPM=0.217 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.1
Precise sep
24.3
Cdsa2 id
UC 4140
Constellation
Aquila
Ra deg
20.296916666666668
De deg
-4.788166666666666
last precise pa
349.1
last precise sep
24.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178-0447 UC 4140 2000 2 350 24.6 13.70 16.20 V 201748.90-044717.4
20178-0447 UC 4140 2010 4 349 24.4 13.66 16.21 V 201748.90-044717.4

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