20186+1600 BPM2102

 
 
20h 18m 38.54s +15 59' 31.5" P.A. 47.00 sep 72.1 mag 15.94,15.95
 
 
Coord 2000
20186+1600
Discov num
BPM2102
Comp
Coord arcsec 2000
20 18 38.54 +15 59 31.5
Date first
1994
Date last
2015
Obs
4
Pa first
48
Pa last
47
P.A. Now (θ)
47°
Sep first
71.7
Sep last
72.1
Sep. Now (ρ)
72.1"
Mag pri
15.94
Mag sec
15.95
delta mag (ΔM)
0.01
Spectral class
Pri motion ra
+072
Sec motion ra
+018
Pri motion dec
+059
Sec motion dec
+022
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.703
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.2
Precise sep
72.063
Constellation
Delphinus
Gaia DR2
62458064896
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20186+1600 BPM2102 1998 2 47 72.0 15.94 15.95 NV 201838.54+155931.5
20186+1600 BPM2102 2001 3 47 72.1 15.94 15.95 NV 201838.54+155931.5
20186+1600 BPM2102 2010 4 46 73.4 15.94 15.95 NV 201838.54+155931.5
20186+1600 BPM2102 2015 4 47 72.1 15.94 15.95 NV 201838.54+155931.5

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