18195+1526 HEI 171

 
 
18h 19m 29.71s +15 25' 41.8" P.A. 99 sep 0.4 mag 10.60,10.60 Sp F0
 
 
Coord 2000
18195+1526
Discov num
HEI 171
Comp
Coord arcsec 2000
18 19 29.71 +15 25 41.8
Date first
1980
Date last
2008
Obs
3
Pa first
108
Pa last
99
P.A. Now (θ)
99°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.60
Mag sec
10.60
delta mag (ΔM)
0
Spectral class
F0 (yellow-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.7
Precise sep
0.35
Constellation
Hercules
SAO
103610
Tycho2
1568-02033-1
last precise pa
98.7
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18195+1526 HEI 171 1995 2 108 0.3 10.60 10.60 F0 181929.71+152541.8
18195+1526 HEI 171 2008 3 99 0.4 10.60 10.60 F0 181929.71+152541.8

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