17575-2113 BRT1511

 
 
17h 57m 30.49s -21 12' 28.7" P.A. 217 sep 3.6 mag 11.52,11.90
 
 
Coord 2000
17575-2113
Discov num
BRT1511
Comp
Coord arcsec 2000
17 57 30.49 -21 12 28.7
Date first
1920
Date last
1999
Obs
3
Pa first
216
Pa last
217
P.A. Now (θ)
217°
Sep first
2.2
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
11.52
Mag sec
11.90
delta mag (ΔM)
0.38
Spectral class
Pri motion ra
+026
Sec motion ra
-049
Pri motion dec
+034
Sec motion dec
-060
Notes
rPM=1.552
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
217
Precise sep
3.646
Constellation
Sagittarius
last precise pa
217
last precise sep
3.646
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17575-2113 BRT1511 1920 1 216 2.2 12.02 13.30 175730.32-211231.5
17575-2113 BRT1511 1999 3 217 3.6 11.52 11.90 175730.49-211228.7
17575-2113 BRT1511 2000 3 217 3.6 12.02 13.30 175730.32-211231.5

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