18537+4550 DEA 437

 
 
18h 53m 45.50s +45 50' 18.8" P.A. 73 sep 25.9 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
2015
Obs
5
Pa first
73
Pa last
73
P.A. Now (θ)
73°
Sep first
25.9
Sep last
25.9
Sep. Now (ρ)
25.9"
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
72.9
Precise sep
25.87
Constellation
Lyra
Gaia DR2
42044630144
 
 
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
18537+4550 DEA 437 2015 6 73 25.9 12.90 17.80 V 185345.50+455018.8

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