18039+8409 LDS1883

 
 
18h 03m 20.32s +84 08' 51.8" P.A. 161 sep 31.7 mag 11.80,17.70 dist. 54.61 pc (178.14 l.y.)
 
 
Coord 2000
18039+8409
Discov num
LDS1883
Comp
Coord arcsec 2000
18 03 20.32 +84 08 51.8
Date first
1963
Date last
2010
Obs
3
Pa first
169
Pa last
161
P.A. Now (θ)
161°
Sep first
28.0
Sep last
31.7
Sep. Now (ρ)
31.7"
Mag pri
11.80
Mag sec
17.70
delta mag (ΔM)
5.9
Spectral class
Pri motion ra
-125
Sec motion ra
-123
Pri motion dec
+137
Sec motion dec
+135
Notes
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.1
Precise sep
31.65
Constellation
Draco
HIP
88435
Tycho2
4648-00601-1
Distance
54.61
Distance ly
178.14
last precise pa
161.1
last precise sep
31.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18039+8409 LDS1883 1999 2 163 30.8 11.80 17.70 D 180320.32+840851.8
18039+8409 LDS1883 2010 3 162 31.7 11.80 17.70 180320.32+840851.8

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