20308+1059 BPM2179

 
 
20h 30m 47.32s +10 58' 54.3" P.A. 29 sep 77.2 mag 14.66,15.55
 
 
Coord 2000
20308+1059
Discov num
BPM2179
Comp
Coord arcsec 2000
20 30 47.32 +10 58 54.3
Date first
1998
Date last
2015
Obs
8
Pa first
29
Pa last
29
P.A. Now (θ)
29°
Sep first
77.3
Sep last
77.2
Sep. Now (ρ)
77.2"
Mag pri
14.66
Mag sec
15.55
delta mag (ΔM)
0.89
Spectral class
Pri motion ra
-013
Sec motion ra
-007
Pri motion dec
-017
Sec motion dec
-021
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.326
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.8
Precise sep
77.244
Constellation
Delphinus
SAO
106191
Gaia DR2
32060943104
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20308+1059 BPM2179 2000 2 29 77.1 14.66 15.55 NV 203047.32+105854.3
20308+1059 BPM2179 2001 3 29 77.0 14.66 15.55 NV 203047.32+105854.3
20308+1059 BPM2179 2010 4 29 77.2 14.66 15.55 NV 203047.32+105854.3
20308+1059 BPM2179 2015 5 29 77.2 14.66 15.55 NV 203047.32+105854.3

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