21443+1611 UC 4542

 
 
21h 44m 18.03s +16 10' 41.6" P.A. 338.00 sep 15.7 mag 15.80,16.40
 
 
Coord 2000
21443+1611
Discov num
UC 4542
Comp
Coord arcsec 2000
21 44 18.03 +16 10 41.6
Date first
1998
Date last
2015
Obs
6
Pa first
338
Pa last
338
P.A. Now (θ)
338°
Sep first
15.7
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
15.80
Mag sec
16.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-185
Sec motion ra
-185
Pri motion dec
-045
Sec motion dec
-045
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.5
Precise sep
15.704
Constellation
Hydra
Gaia DR2
1772615024050728704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21443+1611 UC 4542 2000 2 338 15.7 15.80 16.40 V 214418.03+161041.6
21443+1611 UC 4542 2001 2 338 15.9 15.80 16.40 V 214418.03+161041.6
21443+1611 UC 4542 2015 6 338 15.7 15.80 16.40 V 214418.03+161041.6

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