20144+8032 STF2694

 
 
20h 14m 26.13s +80 31' 54.5" P.A. 343 sep 4.2 mag 6.85,9.58 Sp B9.5IV dist. 129.53 pc (422.53 l.y.)
 
 
Coord 2000
20144+8032
Discov num
STF2694
Comp
Coord arcsec 2000
20 14 26.13 +80 31 54.5
Date first
1832
Date last
2012
Obs
17
Pa first
346
Pa last
343
P.A. Now (θ)
343°
Sep first
3.7
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
6.85
Mag sec
9.58
delta mag (ΔM)
2.73
Spectral class
B9.5IV (blue-white)
Pri motion ra
+016
Sec motion ra
+015
Pri motion dec
-021
Sec motion dec
-021
Notes
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.3
Precise sep
4.2
Constellation
Draco
SAO
3364
HIP
99759
Tycho2
4593-02548-1
Gaia DR2
63913579392
HD
194375
BD
BD+80 650
Distance
129.53
Distance ly
422.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+8032 STF2694 2005 16 345 4.2 6.85 9.58 B9.5IV D 201426.13+803154.5
20144+8032 STF2694 2012 17 343 4.1 6.85 9.58 B9.5IV D 201426.13+803154.5

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