21477+5942 PET  11

 
 
21h 47m 39.78s +59 42' 01.3" P.A. 194 sep 0.1 mag 7.20,9.30 Sp O9.7IV dist. 2000 pc (6524 l.y.)
 
 
Coord 2000
21477+5942
Discov num
PET  11
Comp
Coord arcsec 2000
21 47 39.78 +59 42 01.3
Date first
2007
Date last
2007
Obs
1
Pa first
194
Pa last
194
P.A. Now (θ)
194°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.20
Mag sec
9.30
delta mag (ΔM)
2.1
Spectral class
O9.7IV (blue)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194
Precise sep
0.07
Constellation
Cepheus
SAO
33763
HIP
107598
Tycho2
3980-01047-1
Gaia DR2
2203434019472097664
HD
207538
BD
BD+59 2420
Distance
2000
Distance ly
6524
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21477+5942 PET 11 2007 1 194 0.1 7.30   O9.7IV N 214739.78+594201.3

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