02212+2751 COU 457

 
 
02h 21m 12.24s +27 50' 40.0" P.A. 161 sep 0.5 mag 11.40,12.00 Sp F8
 
 
Coord 2000
02212+2751
Discov num
COU 457
Comp
Coord arcsec 2000
02 21 12.24 +27 50 40.0
Date first
1970
Date last
2009
Obs
6
Pa first
147
Pa last
161
P.A. Now (θ)
161°
Sep first
0.6
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.40
Mag sec
12.00
delta mag (ΔM)
0.6
Spectral class
F8 (yellow-white)
Pri motion ra
-016
Sec motion ra
Pri motion dec
-037
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.4
Precise sep
0.52
Constellation
Triangulum
Tycho2
1773-00035-1
last precise pa
161.4
last precise sep
0.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02212+2751 COU 457 1987 2 166 0.7 11.40 12.00 F8 022112.24+275040.0
02212+2751 COU 457 2009 3 161 0.5 11.40 12.00 F8 022112.24+275040.0

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