20229+6411 STF2685

 
 
20h 22m 54.33s +64 10' 58.5" P.A. 348 sep 4.2 mag 9.23,9.95 Sp B9V dist. 454.55 pc (1482.74 l.y.)
 
 
Coord 2000
20229+6411
Discov num
STF2685
Comp
Coord arcsec 2000
20 22 54.33 +64 10 58.5
Date first
1833
Date last
2018
Obs
21
Pa first
349
Pa last
348
P.A. Now (θ)
348°
Sep first
4.3
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
9.23
Mag sec
9.95
delta mag (ΔM)
0.72
Spectral class
B9V (blue-white)
Pri motion ra
+011
Sec motion ra
+008
Pri motion dec
-012
Sec motion dec
+006
Notes
rPM=1.121
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348
Precise sep
4.176
Constellation
Draco
SAO
18839
HIP
100513
Tycho2
4241-00915-1
Gaia DR2
22468155008
HD
194613
BD
BD+63 1621
Distance
454.55
Distance ly
1482.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20229+6411 STF2685 1999 15 348 4.2 9.23 9.95 B9V D 202254.33+641058.5
20229+6411 STF2685 2009 16 348 4.2 9.23 9.95 B9V D 202254.33+641058.5
20229+6411 STF2685 2010 18 347 4.2 9.23 9.95 B9V 202254.33+641058.5
20229+6411 STF2685 2016 19 348 4.2 9.23 9.95 B9V 202254.33+641058.5
20229+6411 STF2685 2018 21 348 4.2 9.23 9.95 B9V 202254.33+641058.5

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