20542+1619 BPM2289

 
 
20h 54m 10.65s +16 18' 43.7" P.A. 75 sep 96.1 mag 14.99,16.21
 
 
Coord 2000
20542+1619
Discov num
BPM2289
Comp
Coord arcsec 2000
20 54 10.65 +16 18 43.7
Date first
1989
Date last
2010
Obs
4
Pa first
75
Pa last
75
P.A. Now (θ)
75°
Sep first
95.7
Sep last
96.1
Sep. Now (ρ)
96.1"
Mag pri
14.99
Mag sec
16.21
delta mag (ΔM)
1.22
Spectral class
Pri motion ra
-007
Sec motion ra
-011
Pri motion dec
-015
Sec motion dec
-010
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.387
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
75.1
Precise sep
96.13
Constellation
Delphinus
last precise pa
75.1
last precise sep
96.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20542+1619 BPM2289 2000 2 75 96.0 15.23 16.07 NV 205410.65+161843.7
20542+1619 BPM2289 2001 3 75 95.6 15.23 16.07 NV 205410.65+161843.7
20542+1619 BPM2289 2010 4 75 96.2 14.99 16.21 NV 205410.65+161843.7

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