20438+1330 BPM2238

 
 
20h 43m 46.81s +13 29' 50.5" P.A. 50 sep 66.9 mag 15.13,15.15
 
 
Coord 2000
20438+1330
Discov num
BPM2238
Comp
Coord arcsec 2000
20 43 46.81 +13 29 50.5
Date first
1997
Date last
2010
Obs
4
Pa first
50
Pa last
50
P.A. Now (θ)
50°
Sep first
66.9
Sep last
66.9
Sep. Now (ρ)
66.9"
Mag pri
15.13
Mag sec
15.15
delta mag (ΔM)
0.02
Spectral class
Pri motion ra
-054
Sec motion ra
-056
Pri motion dec
-049
Sec motion dec
-045
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.061 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.3
Precise sep
66.94
Constellation
Delphinus
last precise pa
50.3
last precise sep
66.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20438+1330 BPM2238 1998 2 50 66.9 15.13 15.15 NV 204346.81+132950.5
20438+1330 BPM2238 2001 3 50 67.0 15.13 15.15 NV 204346.81+132950.5
20438+1330 BPM2238 2010 4 50 66.9 15.13 15.15 NV 204346.81+132950.5

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