18440+2528 SLE 507

 
 
18h 43m 59.29s +25 27' 48.7" P.A. 70 sep 18.2 mag 12.91,12.34
 
 
Coord 2000
18440+2528
Discov num
SLE 507
Comp
Coord arcsec 2000
18 43 59.29 +25 27 48.7
Date first
1897
Date last
2010
Obs
8
Pa first
77
Pa last
70
P.A. Now (θ)
70°
Sep first
19.9
Sep last
18.2
Sep. Now (ρ)
18.2"
Mag pri
12.91
Mag sec
12.34
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
+001
Sec motion ra
-018
Pri motion dec
-012
Sec motion dec
+001
Notes
rPM=1.277
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
69.6
Precise sep
18.2
Constellation
Hercules
Tycho2
2112-01282-1
last precise pa
69.6
last precise sep
18.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18440+2528 SLE 507 2000 6 71 18.6 12.91 12.34 D 184359.29+252748.7
18440+2528 SLE 507 2002 7 71 18.5 12.91 12.34 D 184359.29+252748.7
18440+2528 SLE 507 2010 8 69 18.2 12.91 12.34 184359.29+252748.7

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