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
SAO
104165
Tycho2
1038-00956-1
Gaia DR2
4507102881899279360
HD
174531
 
 
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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