16570-0155 BAL 570

 
 
16h 56m 57.88s -01 55' 20.2" P.A. 57 sep 4.4 mag 11.00,11.20
 
 
Coord 2000
16570-0155
Discov num
BAL 570
Comp
Coord arcsec 2000
16 56 57.88 -01 55 20.2
Date first
1892
Date last
2010
Obs
6
Pa first
72
Pa last
57
P.A. Now (θ)
57°
Sep first
5.3
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
11.00
Mag sec
11.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-011
Sec motion ra
+005
Pri motion dec
-015
Sec motion dec
-008
Notes
rPM=0.939
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.6
Precise sep
4.35
Constellation
Ophiuchus
last precise pa
56.6
last precise sep
4.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16570-0155 BAL 570 1999 3 57 4.1 11.00 11.20 D 165657.99-015519.0
16570-0155 BAL 570 2010 4 57 4.3 11.00 11.20 D 165657.99-015519.0

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