20539+1700 BPM2288

 
 
20h 53m 54.54s +16 59' 31.4" P.A. 339 sep 115.1 mag 15.29,15.85
 
 
Coord 2000
20539+1700
Discov num
BPM2288
Comp
Coord arcsec 2000
20 53 54.54 +16 59 31.4
Date first
1993
Date last
2010
Obs
4
Pa first
339
Pa last
339
P.A. Now (θ)
339°
Sep first
115.1
Sep last
115.1
Sep. Now (ρ)
115.1"
Mag pri
15.29
Mag sec
15.85
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
-009
Sec motion ra
-008
Pri motion dec
-020
Sec motion dec
-016
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.188 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.4
Precise sep
115.07
Constellation
Delphinus
last precise pa
339.4
last precise sep
115.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20539+1700 BPM2288 2000 2 340 115.1 15.29 15.85 NV 205354.54+165931.4
20539+1700 BPM2288 2001 3 340 115.1 15.29 15.85 NV 205354.54+165931.4
20539+1700 BPM2288 2010 4 339 115.1 15.29 15.85 NV 205354.54+165931.4

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