17251+0348 BAL2440

 
 
17h 25m 05.52s +03 48' 11.7" P.A. 4 sep 8.1 mag 9.74,10.45 Sp K2
 
 
Coord 2000
17251+0348
Discov num
BAL2440
Comp
Coord arcsec 2000
17 25 05.52 +03 48 11.7
Date first
1910
Date last
2013
Obs
10
Pa first
11
Pa last
4
P.A. Now (θ)
Sep first
8.5
Sep last
8.1
Sep. Now (ρ)
8.1"
Mag pri
9.74
Mag sec
10.45
delta mag (ΔM)
0.71
Spectral class
K2 (yellow-orange)
Pri motion ra
+001
Sec motion ra
-006
Pri motion dec
-095
Sec motion dec
-077
Notes
rPM=0.203 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.2
Precise sep
8.05
Constellation
Ophiuchus
Tycho2
0409-01456-1
HD
157759
last precise pa
4.2
last precise sep
8.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17251+0348 BAL2440 2004 8 5 7.9 9.74 10.45 K2 D 172505.52+034811.7
17251+0348 BAL2440 2013 10 4 8.1 9.74 10.45 K2 172505.52+034811.7

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