21391+5742 PET   8

 
 
21h 39m 07.88s +57 42' 08.5" P.A. 218 sep 1.4 mag 11.58, Sp A9
 
 
Coord 2000
21391+5742
Discov num
PET   8
Comp
Coord arcsec 2000
21 39 07.88 +57 42 08.5
Date first
2007
Date last
2007
Obs
1
Pa first
218
Pa last
218
P.A. Now (θ)
218°
Sep first
1.4
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
11.58
Mag sec
delta mag (ΔM)
Spectral class
A9 (white)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218
Precise sep
1.39
Constellation
Cepheus
last precise pa
218
last precise sep
1.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21391+5742 PET 8 2007 1 218 1.4 11.58   A9 213907.88+574208.5

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