20176+1224 BPM2090

 
 
20h 17m 34.58s +12 23' 32.5" P.A. 282 sep 69.4 mag 15.44,15.19
 
 
Coord 2000
20176+1224
Discov num
BPM2090
Comp
Coord arcsec 2000
20 17 34.58 +12 23 32.5
Date first
1992
Date last
2015
Obs
9
Pa first
282
Pa last
282
P.A. Now (θ)
282°
Sep first
69.0
Sep last
69.4
Sep. Now (ρ)
69.4"
Mag pri
15.44
Mag sec
15.19
delta mag (ΔM)
0.25
Spectral class
Pri motion ra
-016
Sec motion ra
-021
Pri motion dec
-015
Sec motion dec
-016
Notes
N V (See Notes, Proper motion indicates physical)
-10 rPM=0.193 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
282.1
Precise sep
69.446
Constellation
Delphinus
Gaia DR2
89806915072
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176+1224 BPM2090 2000 2 282 69.1 15.47 15.69 NV 201734.58+122332.5
20176+1224 BPM2090 2001 3 282 69.3 15.47 15.69 NV 201734.58+122332.5
20176+1224 BPM2090 2010 4 282 69.3 15.44 15.19 NV 201734.58+122332.5
20176+1224 BPM2090 2015 5 282 69.4 15.44 15.19 NV 201734.58+122332.5

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