15121+3419 ES 2417

 
 
15h 12m 09.44s +34 20' 10.5" P.A. 168 sep 4.3 mag 11.22,11.70
 
 
Coord 2000
15121+3419
Discov num
ES 2417
Comp
Coord arcsec 2000
15 12 09.44 +34 20 10.5
Date first
1930
Date last
2010
Obs
19
Pa first
168
Pa last
168
P.A. Now (θ)
168°
Sep first
3.8
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
11.22
Mag sec
11.70
delta mag (ΔM)
0.48
Spectral class
Pri motion ra
+004
Sec motion ra
+031
Pri motion dec
+003
Sec motion dec
-029
Notes
N (See Notes)
rPM=0.986
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
168.3
Precise sep
4.32
Constellation
Bootes
Tycho2
2566-00199-1
last precise pa
168.3
last precise sep
4.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15121+3419 ES 2417 2000 13 168 3.8 11.22 11.70 N D 151209.44+342010.5
15121+3419 ES 2417 2002 14 168 4.3 11.22 11.70 N D 151209.44+342010.5
15121+3419 ES 2417 2010 19 168 4.3 11.22 11.70 N 151209.44+342010.5

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