18573+3925 MLB 857

 
 
18h 57m 16.29s +39 25' 22.2" P.A. 340 sep 4.6 mag 12.50,12.80
 
 
Coord 2000
18573+3925
Discov num
MLB 857
Comp
Coord arcsec 2000
18 57 16.29 +39 25 22.2
Date first
1933
Date last
2014
Obs
8
Pa first
341
Pa last
340
P.A. Now (θ)
340°
Sep first
4.1
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
12.50
Mag sec
12.80
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+007
Sec motion ra
-008
Pri motion dec
-014
Sec motion dec
+018
Notes
rPM=1.794
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.5
Precise sep
4.64
Constellation
Lyra
last precise pa
339.5
last precise sep
4.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18573+3925 MLB 857 2006 4 342 5.1 9.80 10.00 185716.22+392524.3
18573+3925 MLB 857 2014 7 340 4.6 12.50 12.80 185716.29+392522.2

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