12138+2143 HU  569

 
 
12h 13m 47.53s +21 43' 06.5" P.A. 162 sep 1.2 mag 10.12,11.26 Sp F8
 
 
Coord 2000
12138+2143
Discov num
HU  569
Comp
Coord arcsec 2000
12 13 47.53 +21 43 06.5
Date first
1902
Date last
2016
Obs
16
Pa first
153
Pa last
162
P.A. Now (θ)
162°
Sep first
1.1
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.12
Mag sec
11.26
delta mag (ΔM)
1.14
Spectral class
F8 (yellow-white)
Pri motion ra
+026
Sec motion ra
+026
Pri motion dec
-027
Sec motion dec
-027
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.6
Precise sep
1.19
Constellation
Coma Berenices
SAO
82197
Tycho2
1444-00799-1
last precise pa
161.6
last precise sep
1.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12138+2143 HU 569 2005 13 159 1.3 10.12 11.26 F8 121347.53+214306.5
12138+2143 HU 569 2010 14 161 1.3 10.12 11.26 F8 121347.53+214306.5
12138+2143 HU 569 2016 16 162 1.2 10.12 11.26 F8 121347.53+214306.5

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