20257+2521 STF2682

 
 
20h 25m 40.97s +25 21' 02.2" P.A. 298 sep 22 mag 8.34,10.17 Sp A2
 
 
Coord 2000
20257+2521
Discov num
STF2682
Comp
Coord arcsec 2000
20 25 40.97 +25 21 02.2
Date first
1892
Date last
2015
Obs
24
Pa first
302
Pa last
298
P.A. Now (θ)
298°
Sep first
20.3
Sep last
22.0
Sep. Now (ρ)
22"
Mag pri
8.34
Mag sec
10.17
delta mag (ΔM)
1.83
Spectral class
A2 (white)
Pri motion ra
+024
Sec motion ra
+005
Pri motion dec
+008
Sec motion dec
+006
Notes
rPM=0.755
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.6
Precise sep
21.978
Constellation
Vulpecula
SAO
88666
Tycho2
2160-00416-1
Gaia DR2
78769869184
HD
194596
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257+2521 STF2682 2006 15 290 21.4 8.34 10.17 A2 D 202540.97+252102.2
20257+2521 STF2682 2008 16 297 22.0 8.34 10.17 A2 D 202540.97+252102.2
20257+2521 STF2682 2010 19 298 21.9 8.34 10.17 A2 202540.97+252102.2
20257+2521 STF2682 2015 20 298 21.9 8.34 10.17 A2 202540.97+252102.2

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