01552-1731 UC  645

 
 
01h 55m 09.27s -17 31' 18.9" P.A. 140 sep 8.8 mag 12.90,16.40
 
 
Coord 2000
01552-1731
Discov num
UC  645
Comp
Coord arcsec 2000
01 55 09.27 -17 31 18.9
Date first
1998
Date last
2015
Obs
3
Pa first
140
Pa last
140
P.A. Now (θ)
140°
Sep first
8.6
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
12.90
Mag sec
16.40
delta mag (ΔM)
3.5
Spectral class
Pri motion ra
-027
Sec motion ra
-026
Pri motion dec
-044
Sec motion dec
-052
Notes
V (Proper motion indicates physical)
rPM=0.139 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.6
Precise sep
8.757
Constellation
Cetus
Gaia DR2
33448918912
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01552-1731 UC 645 1999 2 140 8.6 12.90 16.40 V 015509.27-173118.9
01552-1731 UC 645 2000 2 140 8.6 12.90 16.40 V 015509.27-173118.9
01552-1731 UC 645 2015 3 140 8.8 12.90 16.40 V 015509.27-173118.9

If you need more information about this double, apply for a data request form to the WDS.