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
Cdsa2 id
BRT 2179
Constellation
Ophiuchus
Ra deg
18.703780555555554
De deg
9.276916666666667
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.