20572+0144 UC 4342

 
 
20h 57m 12.28s +01 43' 30.9" P.A. 239.00 sep 14.2 mag 11.40,16.30
 
 
Coord 2000
20572+0144
Discov num
UC 4342
Comp
Coord arcsec 2000
20 57 12.28 +01 43 30.9
Date first
2000
Date last
2015
Obs
4
Pa first
238
Pa last
239
P.A. Now (θ)
239°
Sep first
15.1
Sep last
14.2
Sep. Now (ρ)
14.2"
Mag pri
11.40
Mag sec
16.30
delta mag (ΔM)
4.9
Spectral class
Pri motion ra
-037
Sec motion ra
-037
Pri motion dec
-048
Sec motion dec
-038
Notes
V (Proper motion indicates physical)
rPM=0.165 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.1
Precise sep
14.171
Constellation
Hydra
Tycho2
0513-00998-1
Gaia DR2
1729803923916043776
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20572+0144 UC 4342 2000 2 238 15.1 11.40 16.30 V 205712.28+014330.9
20572+0144 UC 4342 2015 4 239 14.2 11.40 16.30 V 205712.28+014330.9

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