17405-2055 BRT1506

 
 
17h 40m 27.33s -20 55' 01.7" P.A. 271 sep 4.9 mag 12.79,12.85
 
 
Coord 2000
17405-2055
Discov num
BRT1506
Comp
Coord arcsec 2000
17 40 27.33 -20 55 01.7
Date first
1923
Date last
1999
Obs
4
Pa first
284
Pa last
271
P.A. Now (θ)
271°
Sep first
5.0
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
12.79
Mag sec
12.85
delta mag (ΔM)
0.06
Spectral class
Pri motion ra
+027
Sec motion ra
-060
Pri motion dec
+003
Sec motion dec
-003
Notes
B (Blue magnitudes)
rPM=1.452
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270.6
Precise sep
4.938
Constellation
Ophiuchus
last precise pa
270.6
last precise sep
4.938
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17405-2055 BRT1506 1998 2 271 5.0 12.79 12.85 DB 174027.33-205501.7
17405-2055 BRT1506 1999 3 271 4.9 12.79 12.85 DB 174027.33-205501.7

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