02161+3109 COU 670

 
 
02h 16m 08.32s +31 08' 35.6" P.A. 133 sep 0.8 mag 9.90,13.80 Sp F8
 
 
Coord 2000
02161+3109
Discov num
COU 670
Comp
Coord arcsec 2000
02 16 08.32 +31 08 35.6
Date first
1971
Date last
2009
Obs
4
Pa first
135
Pa last
133
P.A. Now (θ)
133°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.90
Mag sec
13.80
delta mag (ΔM)
3.9
Spectral class
F8 (yellow-white)
Pri motion ra
-046
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132.5
Precise sep
0.81
Constellation
Triangulum
SAO
55403
Tycho2
2310-01367-1
last precise pa
132.5
last precise sep
0.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02161+3109 COU 670 1971 1 135 0.9 9.90 13.80 F8 021608.32+310835.6
02161+3109 COU 670 2007 2 117 1.0 9.90 13.80 F8 021608.32+310835.6
02161+3109 COU 670 2009 4 133 0.8 9.90 13.80 F8 021608.32+310835.6

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