20019-0614 J  1694

 
 
20h 01m 55.73s -06 14' 06.3" P.A. 275 sep 6.4 mag 9.12,12.00 Sp A0
 
 
Coord 2000
20019-0614
Discov num
J  1694
Comp
Coord arcsec 2000
20 01 55.73 -06 14 06.3
Date first
1897
Date last
2015
Obs
7
Pa first
274
Pa last
275
P.A. Now (θ)
275°
Sep first
6.7
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
9.12
Mag sec
12.00
delta mag (ΔM)
2.88
Spectral class
A0 (white)
Pri motion ra
+007
Sec motion ra
+008
Pri motion dec
-025
Sec motion dec
-025
Notes
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.9
Precise sep
6.41
Constellation
Aquila
Tycho2
5172-02466-1
HD
189785
last precise pa
274.9
last precise sep
6.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20019-0614 J 1694 1999 4 275 6.5 9.12 12.00 A0 D 200155.73-061406.3
20019-0614 J 1694 2000 5 275 6.4 9.12 12.00 A0 D 200155.73-061406.3
20019-0614 J 1694 2015 6 275 6.4 9.12 12.00 A0 200155.73-061406.3

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