18537+4550 DEA 437

 
 
18h 53m 45.50s +45 50' 18.8" P.A. 77 sep 25.6 mag 12.90,17.80
 
 
Coord 2000
18537+4550
Discov num
DEA 437
Comp
Coord arcsec 2000
18 53 45.50 +45 50 18.8
Date first
1998
Date last
2013
Obs
3
Pa first
73
Pa last
77
P.A. Now (θ)
77°
Sep first
25.9
Sep last
25.6
Sep. Now (ρ)
25.6"
Mag pri
12.90
Mag sec
17.80
delta mag (ΔM)
4.9
Spectral class
Pri motion ra
+037
Sec motion ra
+040
Pri motion dec
-096
Sec motion dec
-087
Notes
V (Proper motion indicates physical)
rPM=0.092 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77
Precise sep
25.632
Constellation
Lyra
last precise pa
77
last precise sep
25.632
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18537+4550 DEA 437 2013 1 77 25.6 12.90 17.80 V 185345.50+455018.8

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