16570-0405 UC 3258

 
 
16h 56m 57.83s -04 04' 30.7" P.A. 310.00 sep 21.6 mag 14.40,16.50
 
 
Coord 2000
16570-0405
Discov num
UC 3258
Comp
Coord arcsec 2000
16 56 57.83 -04 04 30.7
Date first
1998
Date last
2015
Obs
4
Pa first
310
Pa last
310
P.A. Now (θ)
310°
Sep first
21.7
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
14.40
Mag sec
16.50
delta mag (ΔM)
2.1
Spectral class
Pri motion ra
+095
Sec motion ra
+107
Pri motion dec
-089
Sec motion dec
-053
Notes
V (Proper motion indicates physical)
rPM=0.292 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.9
Precise sep
21.632
Constellation
Hydra
Gaia DR2
4365635386523427584
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16570-0405 UC 3258 2000 2 310 21.6 14.40 16.50 V 165657.83-040430.7
16570-0405 UC 3258 2015 4 310 21.6 14.40 16.50 V 165657.83-040430.7

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