18533+4030 DEA 143

 
 
18h 53m 21.09s +40 30' 04.4" P.A. 19 sep 7.5 mag 11.30,17.80
 
 
Coord 2000
18533+4030
Discov num
DEA 143
Comp
Coord arcsec 2000
18 53 21.09 +40 30 04.4
Date first
1999
Date last
2013
Obs
2
Pa first
24
Pa last
19
P.A. Now (θ)
19°
Sep first
7.7
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.30
Mag sec
17.80
delta mag (ΔM)
6.5
Spectral class
Pri motion ra
-064
Sec motion ra
-059
Pri motion dec
-008
Sec motion dec
-007
Notes
V (Proper motion indicates physical)
rPM=0.079 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18.5
Precise sep
7.508
Constellation
Lyra
last precise pa
18.5
last precise sep
7.508
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18533+4030 DEA 143 2013 2 19 7.5 11.30 17.80 V 185321.09+403004.4

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