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
Cdsa2 id
PET 8
Constellation
Cepheus
Ra deg
21.652188888888887
De deg
57.70236111111112
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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