20017+1748 SLE 677

 
 
20h 01m 45.04s +17 48' 04.9" P.A. 12 sep 10.6 mag 11.20,11.30
 
 
Coord 2000
20017+1748
Discov num
SLE 677
Comp
Coord arcsec 2000
20 01 45.04 +17 48 04.9
Date first
1900
Date last
2010
Obs
7
Pa first
11
Pa last
12
P.A. Now (θ)
12°
Sep first
10.4
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
11.20
Mag sec
11.30
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+005
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
-003
Notes
rPM=0.343
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.5
Precise sep
10.56
Constellation
Sagitta
last precise pa
11.5
last precise sep
10.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20017+1748 SLE 677 1997 4 11 10.5 11.20 11.30 D 200145.04+174804.9
20017+1748 SLE 677 1998 5 12 10.5 11.20 11.30 D 200145.04+174804.9
20017+1748 SLE 677 2001 6 12 10.5 11.20 11.30 D 200145.04+174804.9
20017+1748 SLE 677 2010 7 11 9.6 11.20 11.30 200145.04+174804.9

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