10409+1707 COU 174

 
 
10h 40m 55.55s +17 07' 28.1" P.A. 188 sep 2.2 mag 11.76,12.70 Sp G0
 
 
Coord 2000
10409+1707
Discov num
COU 174
Comp
Coord arcsec 2000
10 40 55.55 +17 07 28.1
Date first
1967
Date last
2009
Obs
4
Pa first
185
Pa last
188
P.A. Now (θ)
188°
Sep first
1.9
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
11.76
Mag sec
12.70
delta mag (ΔM)
0.94
Spectral class
G0 (yellow)
Pri motion ra
+010
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
188.2
Precise sep
2.16
Cdsa2 id
COU 174
Constellation
Leo
Tycho2
1428-01050-1
Ra deg
10.682097222222222
De deg
17.124472222222224
last precise pa
188.2
last precise sep
2.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10409+1707 COU 174 1987 3 188 2.1 11.76 12.70 G0 104055.55+170728.1
10409+1707 COU 174 2009 4 188 2.2 11.76 12.70 G0 104055.55+170728.1

If you need more information about this double, apply for a data request form to the WDS.