18197+3212 HJ 1319

 
 
18h 19m 43.23s +32 11' 43.1" P.A. 194 sep 17.4 mag 9.20,12.00 Sp A2
 
 
Coord 2000
18197+3212
Discov num
HJ 1319
Comp
Coord arcsec 2000
18 19 43.23 +32 11 43.1
Date first
1828
Date last
2010
Obs
9
Pa first
193
Pa last
194
P.A. Now (θ)
194°
Sep first
13.0
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
9.20
Mag sec
12.00
delta mag (ΔM)
2.8
Spectral class
A2 (white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-007
Sec motion dec
-004
Notes
rPM=0.282 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.3
Precise sep
17.36
Constellation
Lyra
SAO
66862
Tycho2
2627-00714-1
last precise pa
194.3
last precise sep
17.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18197+3212 HJ 1319 1998 6 194 17.4 9.20 12.00 A2 D 181943.23+321143.1
18197+3212 HJ 1319 2002 8 195 17.3 9.20 12.00 A2 D 181943.23+321143.1
18197+3212 HJ 1319 2010 9 195 17.2 9.20 12.00 A2 181943.23+321143.1

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