20136+2021 BU 1484

 
 
20h 13m 34.93s +20 20' 37.4" P.A. 324 sep 23.7 mag 9.45,10.60 Sp B8
 
 
Coord 2000
20136+2021
Discov num
BU 1484
Comp
Coord arcsec 2000
20 13 34.93 +20 20 37.4
Date first
1894
Date last
2017
Obs
11
Pa first
325
Pa last
324
P.A. Now (θ)
324°
Sep first
23.4
Sep last
23.7
Sep. Now (ρ)
23.7"
Mag pri
9.45
Mag sec
10.60
delta mag (ΔM)
1.15
Spectral class
B8 (blue-white)
Pri motion ra
+004
Sec motion ra
-001
Pri motion dec
+001
Sec motion dec
+004
Notes
rPM=1.414
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323.9
Precise sep
23.654
Constellation
Sagitta
SAO
88372
Tycho2
1626-00597-1
Gaia DR2
78429187840
HD
351704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20136+2021 BU 1484 2000 5 324 23.5 9.45 10.60 B8 D 201334.93+202037.4
20136+2021 BU 1484 2001 6 324 23.5 9.45 10.60 B8 D 201334.93+202037.4
20136+2021 BU 1484 2010 7 324 23.5 9.45 10.60 B8 201334.93+202037.4
20136+2021 BU 1484 2017 8 324 23.7 9.45 10.60 B8 201334.93+202037.4

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