20317+2520 POU4571

 
 
20h 31m 43.58s +25 19' 43.8" P.A. 15 sep 4.8 mag 10.54,12.50
 
 
Coord 2000
20317+2520
Discov num
POU4571
Comp
Coord arcsec 2000
20 31 43.58 +25 19 43.8
Date first
1898
Date last
2008
Obs
2
Pa first
37
Pa last
15
P.A. Now (θ)
15°
Sep first
6.2
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
10.54
Mag sec
12.50
delta mag (ΔM)
1.96
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.7
Precise sep
4.84
Constellation
Vulpecula
Tycho2
2161-00320-1
Gaia DR2
11968632832
HD
340504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20317+2520 POU4571 1898 1 37 6.2 10.54 12.50 203143.58+251943.8
20317+2520 POU4571 2008 2 15 4.8 10.54 12.50 203143.58+251943.8

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