17321+3106 LDS4750

 
 
17h 32m 02.81s +31 06' 07.3" P.A. 16 sep 9 mag 18.70,19.01
 
 
Coord 2000
17321+3106
Discov num
LDS4750
Comp
Coord arcsec 2000
17 32 02.81 +31 06 07.3
Date first
1960
Date last
1998
Obs
2
Pa first
17
Pa last
16
P.A. Now (θ)
16°
Sep first
9.5
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
18.70
Mag sec
19.01
delta mag (ΔM)
0.31
Spectral class
Pri motion ra
-121
Sec motion ra
-116
Pri motion dec
-213
Sec motion dec
-215
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.1
Precise sep
8.95
Constellation
Hercules
last precise pa
16.1
last precise sep
8.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17321+3106 LDS4750 1998 2 16 9.0 18.70 19.01 D 173202.81+310607.3

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