18425+3231 HJ 1340

 
 
18h 42m 35.67s +32 30' 52.1" P.A. 80 sep 15.2 mag 10.23,12.60
 
 
Coord 2000
18425+3231
Discov num
HJ 1340
Comp
Coord arcsec 2000
18 42 35.67 +32 30 52.1
Date first
1828
Date last
2010
Obs
6
Pa first
90
Pa last
80
P.A. Now (θ)
80°
Sep first
7.0
Sep last
15.2
Sep. Now (ρ)
15.2"
Mag pri
10.23
Mag sec
12.60
delta mag (ΔM)
2.37
Spectral class
Pri motion ra
-014
Sec motion ra
+004
Pri motion dec
-010
Sec motion dec
+003
Notes
rPM=1.291
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.8
Precise sep
15.19
Constellation
Lyra
Tycho2
2641-01813-1
last precise pa
79.8
last precise sep
15.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18425+3231 HJ 1340 1998 3 80 15.1 10.23 12.60 D 184235.67+323052.1
18425+3231 HJ 1340 2002 5 80 15.2 10.23 12.60 D 184235.67+323052.1
18425+3231 HJ 1340 2010 6 80 14.5 10.23 12.60 184235.67+323052.1

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