20258-4420 BRT1108

 
 
20h 25m 49.87s -44 19' 32.0" P.A. 191.00 sep 12.2 mag 13.00,13.90
 
 
Coord 2000
20258-4420
Discov num
BRT1108
Comp
Coord arcsec 2000
20 25 49.87 -44 19 32.0
Date first
1901
Date last
2015
Obs
7
Pa first
203
Pa last
191
P.A. Now (θ)
191°
Sep first
4.2
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
13.00
Mag sec
13.90
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+026
Sec motion ra
+016
Pri motion dec
-011
Sec motion dec
-102
Notes
R (Red magnitudes)
Visually invisible, K-band or other infrared star rPM=0.887
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
190.7
Precise sep
12.23
Constellation
Sagittarius
Gaia DR2
67000787840
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20258-4420 BRT1108 1901 1 203 4.2 13.09 13.06 B 202549.71-441929.8
20258-4420 BRT1108 2000 3 191 11.4 13.09 13.06 B 202549.71-441929.8
20258-4420 BRT1108 2010 6 191 11.7 13.09 13.06 B 202549.71-441929.8
20258-4420 BRT1108 2015 8 191 12.2 13.00 13.90 R 202549.87-441932.0

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