18503+1408 HEI 398

 
 
18h 50m 18.75s +14 08' 02.2" P.A. 107 sep 1.8 mag 8.84,12.70 Sp A
 
 
Coord 2000
18503+1408
Discov num
HEI 398
Comp
Coord arcsec 2000
18 50 18.75 +14 08 02.2
Date first
1986
Date last
1996
Obs
2
Pa first
106
Pa last
107
P.A. Now (θ)
107°
Sep first
1.6
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
8.84
Mag sec
12.70
delta mag (ΔM)
3.86
Spectral class
A (white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107.1
Precise sep
1.84
Constellation
Hercules
last precise pa
107.1
last precise sep
1.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18503+1408 HEI 398 1996 2 107 1.8 8.84 12.70 A 185018.75+140802.2

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