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
Cdsa2 id
BPM 2288
Constellation
Delphinus
Ra deg
20.89848333333333
De deg
16.992055555555556
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

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