20182+1820 HU  357

 
 
20h 18m 14.41s +18 19' 41.5" P.A. 195 sep 1.8 mag 7.98,10.94 Sp A3III dist. 167.79 pc (547.33 l.y.)
 
 
Coord 2000
20182+1820
Discov num
HU  357
Comp
Coord arcsec 2000
20 18 14.41 +18 19 41.5
Date first
1901
Date last
1991
Obs
13
Pa first
195
Pa last
195
P.A. Now (θ)
195°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
7.98
Mag sec
10.94
delta mag (ΔM)
2.96
Spectral class
A3III (white)
Pri motion ra
+014
Sec motion ra
+016
Pri motion dec
+007
Sec motion dec
+005
Notes
rPM=0.169 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.6
Precise sep
1.79
Constellation
Sagitta
SAO
105940
HIP
100084
Tycho2
1635-00431-1
Gaia DR2
96039657344
HD
193161
BD
BD+17 4282
Distance
167.79
Distance ly
547.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20182+1820 HU 357 1991 13 195 1.8 7.98 10.94 A3III D 201814.41+181941.5

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