21369+0158 UC 4508

 
 
21h 36m 56.60s +01 58' 29.7" P.A. 29.00 sep 27.5 mag 15.80,16.40
 
 
Coord 2000
21369+0158
Discov num
UC 4508
Comp
Coord arcsec 2000
21 36 56.60 +01 58 29.7
Date first
2000
Date last
2015
Obs
4
Pa first
30
Pa last
29
P.A. Now (θ)
29°
Sep first
27.3
Sep last
27.5
Sep. Now (ρ)
27.5"
Mag pri
15.80
Mag sec
16.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-018
Sec motion ra
-054
Pri motion dec
-047
Sec motion dec
-045
Notes
V (Proper motion indicates physical)
rPM=0.513
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29
Precise sep
27.509
Constellation
Hydra
Gaia DR2
2694564006500906112
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21369+0158 UC 4508 2000 2 30 27.3 15.80 16.40 V 213656.60+015829.7
21369+0158 UC 4508 2010 3 29 27.4 15.80 16.40 V 213656.60+015829.7
21369+0158 UC 4508 2015 4 29 27.5 15.80 16.40 V 213656.60+015829.7

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