12579-2232 BRT1487

 
 
12h 57m 54.65s -22 32' 02.2" P.A. 166 sep 4 mag 11.50,12.40
 
 
Coord 2000
12579-2232
Discov num
BRT1487
Comp
Coord arcsec 2000
12 57 54.65 -22 32 02.2
Date first
1920
Date last
1999
Obs
5
Pa first
160
Pa last
166
P.A. Now (θ)
166°
Sep first
3.6
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
11.50
Mag sec
12.40
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-045
Sec motion ra
-016
Pri motion dec
+060
Sec motion dec
-059
Notes
rPM=1.633
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.2
Precise sep
3.966
Constellation
Virgo
Tycho2
6697-00405-1
last precise pa
166.2
last precise sep
3.966
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12579-2232 BRT1487 1922 3 175 3.1 11.50 12.40 125754.65-223202.2
12579-2232 BRT1487 1999 4 166 4.0 11.50 12.40 125754.65-223202.2

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