20190+2131 J   554

 
 
20h 19m 00.13s +21 30' 30.8" P.A. 217 sep 5.9 mag 11.95,11.31
 
 
Coord 2000
20190+2131
Discov num
J   554
Comp
Coord arcsec 2000
20 19 00.13 +21 30 30.8
Date first
1892
Date last
2015
Obs
15
Pa first
219
Pa last
217
P.A. Now (θ)
217°
Sep first
5.0
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
11.95
Mag sec
11.31
delta mag (ΔM)
0.64
Spectral class
Pri motion ra
+034
Sec motion ra
-001
Pri motion dec
+037
Sec motion dec
-011
Notes
B (Blue magnitudes)
rPM=1.182
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.6
Precise sep
5.942
Constellation
Sagitta
Tycho2
1643-00040-1
Gaia DR2
29846213760
HD
346317
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20190+2131 J 554 2006 9 215 5.7 11.95 11.31 DB 201900.13+213030.8
20190+2131 J 554 2010 11 216 4.9 11.95 11.31 B 201900.13+213030.8
20190+2131 J 554 2015 12 217 5.9 11.95 11.31 B 201900.13+213030.8

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