18000+2544 BRT  32

 
 
18h 00m 02.57s +25 42' 49.5" P.A. 172 sep 5.3 mag 11.20,12.70
 
 
Coord 2000
18000+2544
Discov num
BRT  32
Comp
Coord arcsec 2000
18 00 02.57 +25 42 49.5
Date first
1897
Date last
2010
Obs
8
Pa first
172
Pa last
172
P.A. Now (θ)
172°
Sep first
4.8
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
11.20
Mag sec
12.70
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+026
Sec motion ra
+022
Pri motion dec
-007
Sec motion dec
-014
Notes
rPM=0.299 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
172.1
Precise sep
5.27
Constellation
Hercules
last precise pa
172.1
last precise sep
5.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18000+2544 BRT 32 1999 6 171 5.0 11.20 12.70 D 180002.57+254249.5
18000+2544 BRT 32 2002 7 173 5.4 11.20 12.70 D 180002.57+254249.5
18000+2544 BRT 32 2010 8 172 5.3 11.20 12.70 180002.57+254249.5

If you need more information about this double, apply for a data request form to the WDS.