20177+1504 BPM2091

 
 
20h 17m 40.38s +15 04' 17.8" P.A. 71 sep 77.9 mag 14.09,15.32
 
 
Coord 2000
20177+1504
Discov num
BPM2091
Comp
Coord arcsec 2000
20 17 40.38 +15 04 17.8
Date first
1965
Date last
2015
Obs
9
Pa first
71
Pa last
71
P.A. Now (θ)
71°
Sep first
77.8
Sep last
77.9
Sep. Now (ρ)
77.9"
Mag pri
14.09
Mag sec
15.32
delta mag (ΔM)
1.23
Spectral class
Pri motion ra
-009
Sec motion ra
+003
Pri motion dec
+001
Sec motion dec
-003
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.397
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71.1
Precise sep
77.878
Constellation
Delphinus
SAO
105933
Gaia DR2
18297056128
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20177+1504 BPM2091 2000 2 71 77.8 14.26 15.50 NV 201740.38+150417.8
20177+1504 BPM2091 2001 3 71 77.8 14.26 15.50 NV 201740.38+150417.8
20177+1504 BPM2091 2010 4 71 77.9 14.09 15.32 NV 201740.38+150417.8
20177+1504 BPM2091 2015 5 71 77.9 14.09 15.32 NV 201740.38+150417.8

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