20014+1540 BPM1931

 
 
20h 01m 21.64s +15 40' 00.7" P.A. 43.00 sep 78.2 mag 13.33,14.21
 
 
Coord 2000
20014+1540
Discov num
BPM1931
Comp
Coord arcsec 2000
20 01 21.64 +15 40 00.7
Date first
1977
Date last
2015
Obs
8
Pa first
43
Pa last
43
P.A. Now (θ)
43°
Sep first
78.3
Sep last
78.2
Sep. Now (ρ)
78.2"
Mag pri
13.33
Mag sec
14.21
delta mag (ΔM)
0.88
Spectral class
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-024
Sec motion dec
-011
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.52
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.8
Precise sep
78.22
Constellation
Aquila
Gaia DR2
1807971091771292544
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20014+1540 BPM1931 1997 2 43 78.2 13.45 14.28 NV 200121.64+154000.7
20014+1540 BPM1931 2001 3 43 78.1 13.45 14.28 NV 200121.64+154000.7
20014+1540 BPM1931 2010 4 43 78.2 13.33 14.21 NV 200121.64+154000.7
20014+1540 BPM1931 2015 5 43 78.2 13.33 14.21 NV 200121.64+154000.7

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