18422+0917 BRT2179

 
 
18h 42m 13.61s +09 16' 36.9" P.A. 250 sep 5.4 mag 10.90,11.20
 
 
Coord 2000
18422+0917
Discov num
BRT2179
Comp
Coord arcsec 2000
18 42 13.61 +09 16 36.9
Date first
1898
Date last
2015
Obs
12
Pa first
124
Pa last
250
P.A. Now (θ)
250°
Sep first
3.9
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
10.90
Mag sec
11.20
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+002
Sec motion ra
-022
Pri motion dec
-004
Sec motion dec
-041
Notes
rPM=0.948
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249.8
Precise sep
5.42
Constellation
Ophiuchus
last precise pa
249.8
last precise sep
5.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18422+0917 BRT2179 1999 5 255 4.9 10.90 11.20 D 184213.61+091636.9
18422+0917 BRT2179 2009 6 251 5.3 10.90 11.20 D 184213.61+091636.9
18422+0917 BRT2179 2012 10 251 5.3 10.90 11.20 184213.61+091636.9
18422+0917 BRT2179 2013 11 250 5.4 10.90 11.20 184213.61+091636.9
18422+0917 BRT2179 2015 12 250 5.4 10.90 11.20 184213.61+091636.9

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