21257+6325 MRI  38BC

 
 
21h 25m 40.86s +63 25' 27.1" P.A. 52 sep 8.5 mag 12.00,14.60
 
 
Coord 2000
21257+6325
Discov num
MRI  38
Comp
BC
Coord arcsec 2000
21 25 40.86 +63 25 27.1
Date first
1999
Date last
2011
Obs
3
Pa first
53
Pa last
52
P.A. Now (θ)
52°
Sep first
8.2
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
12.00
Mag sec
14.60
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
-002
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21257+6325 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21257+6325 STI1028 AB 1905 2011 4 344 6.7 12.30 13.20 0.90
Show 21257+6325 MRI 38 BC 1999 2011 3 52 8.5 12.00 14.60 2.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.1
Precise sep
8.49
Cdsa2 id
MRI 38 BC
Constellation
Cepheus
Ra deg
21.428016666666668
De deg
63.42419444444444
last precise pa
52.1
last precise sep
8.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21257+6325 MRI 38 BC 2011 4 52 8.5 12.00 14.60 212540.86+632527.1

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