18021-2820 BRT3055

 
 
18h 02m 10.43s -28 19' 33.1" P.A. 48 sep 4.9 mag 12.62,12.61
 
 
Coord 2000
18021-2820
Discov num
BRT3055
Comp
Coord arcsec 2000
18 02 10.43 -28 19 33.1
Date first
1913
Date last
2016
Obs
6
Pa first
43
Pa last
48
P.A. Now (θ)
48°
Sep first
4.8
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
12.62
Mag sec
12.61
delta mag (ΔM)
0.01
Spectral class
Pri motion ra
-039
Sec motion ra
+013
Pri motion dec
-049
Sec motion dec
+000
Notes
B (Blue magnitudes)
rPM=1.141
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.9
Precise sep
4.9
Constellation
Sagittarius
last precise pa
47.9
last precise sep
4.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18021-2820 BRT3055 1913 2 39 3.8 12.62 12.61 B 180210.43-281933.1
18021-2820 BRT3055 1999 3 47 5.7 12.62 12.61 B 180210.43-281933.1
18021-2820 BRT3055 2016 6 48 4.9 12.62 12.61 B 180210.43-281933.1

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