18487+4052 UC 3680

 
 
18h 48m 41.97s +40 52' 26.5" P.A. 249 sep 10.2 mag 12.20,15.40
 
 
Coord 2000
18487+4052
Discov num
UC 3680
Comp
Coord arcsec 2000
18 48 41.97 +40 52 26.5
Date first
2000
Date last
2015
Obs
4
Pa first
247
Pa last
249
P.A. Now (θ)
249°
Sep first
11.1
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
12.20
Mag sec
15.40
delta mag (ΔM)
3.2
Spectral class
Pri motion ra
-050
Sec motion ra
-037
Pri motion dec
-064
Sec motion dec
-044
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.294 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249.1
Precise sep
10.198
Cdsa2 id
UC 3680
Constellation
Lyra
Ra deg
18.811658333333334
De deg
40.874027777777776
last precise pa
249.1
last precise sep
10.198
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18487+4052 UC 3680 2000 2 247 11.1 12.20 15.40 V 184841.97+405226.5
18487+4052 UC 3680 2003 3 247 10.9 12.20 15.40 V 184841.97+405226.5
18487+4052 UC 3680 2015 4 249 10.2 12.20 15.40 V R 184841.97+405226.5

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