20211-2916 BRT3091

 
 
20h 21m 01.87s -29 16' 32.2" P.A. 52 sep 2.8 mag 10.84,11.20
 
 
Coord 2000
20211-2916
Discov num
BRT3091
Comp
Coord arcsec 2000
20 21 01.87 -29 16 32.2
Date first
1913
Date last
2015
Obs
5
Pa first
45
Pa last
52
P.A. Now (θ)
52°
Sep first
2.5
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.84
Mag sec
11.20
delta mag (ΔM)
0.36
Spectral class
Pri motion ra
-023
Sec motion ra
+029
Pri motion dec
-020
Sec motion dec
+021
Notes
rPM=1.849
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.9
Precise sep
2.789
Constellation
Sagittarius
Tycho2
6918-00414-1
Gaia DR2
84402570752
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20211-2916 BRT3091 1986 3 54 2.7 10.84 11.20 202101.87-291632.2
20211-2916 BRT3091 1999 4 52 2.8 10.84 11.20 202101.87-291632.2
20211-2916 BRT3091 2015 5 52 2.8 10.84 11.20 202101.87-291632.2

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