18206+2248 STF2310

 
 
18h 20m 38.67s +22 47' 50.7" P.A. 237 sep 5 mag 6.83,9.98 Sp B8III dist. 302.11 pc (985.48 l.y.)
 
 
Coord 2000
18206+2248
Discov num
STF2310
Comp
Coord arcsec 2000
18 20 38.67 +22 47 50.7
Date first
1830
Date last
2006
Obs
30
Pa first
237
Pa last
237
P.A. Now (θ)
237°
Sep first
5.0
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
6.83
Mag sec
9.98
delta mag (ΔM)
3.15
Spectral class
B8III (blue-white)
Pri motion ra
+001
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-006
Notes
rPM=0.465
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236.9
Precise sep
4.95
Constellation
Hercules
SAO
85950
HIP
89898
Tycho2
2093-00611-1
HD
168795
BD
BD+22 3337
Distance
302.11
Distance ly
985.48
last precise pa
236.9
last precise sep
4.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18206+2248 STF2310 2006 30 237 5.0 6.83 9.98 B8III D 182038.67+224750.7

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