18154+1946 STT 346

 
 
18h 15m 25.05s +19 46' 13.4" P.A. 329 sep 5.2 mag 8.33,9.01 Sp F2 dist. 113.64 pc (370.69 l.y.)
 
 
Coord 2000
18154+1946
Discov num
STT 346
Comp
Coord arcsec 2000
18 15 25.05 +19 46 13.4
Date first
1843
Date last
2016
Obs
65
Pa first
329
Pa last
329
P.A. Now (θ)
329°
Sep first
5.6
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
8.33
Mag sec
9.01
delta mag (ΔM)
0.68
Spectral class
F2 (yellow-white)
Pri motion ra
+010
Sec motion ra
+009
Pri motion dec
+002
Sec motion dec
-002
Notes
rPM=0.404
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329
Precise sep
5.231
Constellation
Hercules
HIP
89458
Tycho2
1575-00945-1
HD
167625
BD
BD+19 3568
Distance
113.64
Distance ly
370.69
last precise pa
329
last precise sep
5.231
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18154+1946 STT 346 2007 54 330 5.4 8.33 9.01 F2 D 181525.05+194613.4
18154+1946 STT 346 2008 55 328 5.2 8.33 9.01 F2 D 181525.05+194613.4
18154+1946 STT 346 2016 65 329 5.2 8.33 9.01 F2 181525.05+194613.4

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