18258+1952 BRT2446AB

 
 
18h 25m 51.22s +19 52' 29.4" P.A. 323 sep 3.4 mag 11.50,11.70 Sp F0
 
 
Coord 2000
18258+1952
Discov num
BRT2446
Comp
AB
Coord arcsec 2000
18 25 51.22 +19 52 29.4
Date first
1896
Date last
2015
Obs
15
Pa first
322
Pa last
323
P.A. Now (θ)
323°
Sep first
3.3
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
11.50
Mag sec
11.70
delta mag (ΔM)
0.2
Spectral class
F0 (yellow-white)
Pri motion ra
+011
Sec motion ra
-002
Pri motion dec
-019
Sec motion dec
-001
Notes
R (Red magnitudes)
rPM=1.011
This double is not physical.
 
 
18258+1952 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18258+1952 BRT2446 AB 1896 2015 15 323 3.4 11.50 11.70 0.20 <===
Show 18258+1952 BRT2446 AC 2000 2015 8 256 8.0 11.50 13.40 1.90
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.6
Precise sep
3.4
Constellation
Hercules
Tycho2
1577-01525-1
HD
348581
last precise pa
322.6
last precise sep
3.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18258+1952 BRT2446 AB 2009 9 321 3.3 11.10 11.20 F0 D 182551.07+195232.1
18258+1952 BRT2446 AB 2011 11 320 3.4 11.50 11.70 F0 D 182551.22+195229.4
18258+1952 BRT2446 AB 2012 12 321 3.5 11.50 11.70 F0 182551.22+195229.4
18258+1952 BRT2446 AB 2015 14 323 3.4 11.50 11.70 F0 R 182551.22+195229.4

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