20173+2009 J  3071

 
 
20h 17m 15.58s +20 07' 24.6" P.A. 219 sep 6.1 mag 12.32,12.29
 
 
Coord 2000
20173+2009
Discov num
J  3071
Comp
Coord arcsec 2000
20 17 15.58 +20 07 24.6
Date first
1895
Date last
2015
Obs
10
Pa first
222
Pa last
219
P.A. Now (θ)
219°
Sep first
6.3
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
12.32
Mag sec
12.29
delta mag (ΔM)
0.03
Spectral class
Pri motion ra
Sec motion ra
+023
Pri motion dec
Sec motion dec
+018
Notes
B (Blue magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219
Precise sep
6.119
Constellation
Sagitta
Gaia DR2
08753518848
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20173+2009 J 3071 2006 4 218 6.0 12.32 12.29 DB 201715.41+200721.5
20173+2009 J 3071 2010 6 219 5.3 12.32 12.29 B 201715.41+200721.5
20173+2009 J 3071 2015 7 219 6.1 12.32 12.29 B 201715.58+200724.6

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