20017+1748 SLE 677

 
 
20h 01m 45.04s +17 48' 04.9" P.A. 12.00 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
2015
Obs
12
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
11.7
Precise sep
10.566
Constellation
Sagitta
Gaia DR2
43133810944
 
 
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
20017+1748 SLE 677 2015 8 12 10.6 11.20 11.30 200145.04+174804.9

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