20338+1704 BPM2188

 
 
20h 33m 47.16s +17 04' 14.7" P.A. 244 sep 105.3 mag 14.72,15.44
 
 
Coord 2000
20338+1704
Discov num
BPM2188
Comp
Coord arcsec 2000
20 33 47.16 +17 04 14.7
Date first
1994
Date last
2010
Obs
4
Pa first
244
Pa last
244
P.A. Now (θ)
244°
Sep first
105.9
Sep last
105.3
Sep. Now (ρ)
105.3"
Mag pri
14.72
Mag sec
15.44
delta mag (ΔM)
0.72
Spectral class
Pri motion ra
-017
Sec motion ra
-014
Pri motion dec
-025
Sec motion dec
-012
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.441
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244.2
Precise sep
105.33
Constellation
Delphinus
last precise pa
244.2
last precise sep
105.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20338+1704 BPM2188 1999 2 244 105.9 14.71 15.42 NV 203347.16+170414.7
20338+1704 BPM2188 2001 3 244 105.7 14.71 15.42 NV 203347.16+170414.7
20338+1704 BPM2188 2010 4 244 105.3 14.72 15.44 NV 203347.16+170414.7

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