09413-1818 UC 1821

 
 
09h 41m 18.76s -18 18' 02.0" P.A. 179.00 sep 39.9 mag 11.54,11.73
 
 
Coord 2000
09413-1818
Discov num
UC 1821
Comp
Coord arcsec 2000
09 41 18.76 -18 18 02.0
Date first
1915
Date last
2017
Obs
11
Pa first
177
Pa last
179
P.A. Now (θ)
179°
Sep first
40.3
Sep last
39.9
Sep. Now (ρ)
39.9"
Mag pri
11.54
Mag sec
11.73
delta mag (ΔM)
0.19
Spectral class
Pri motion ra
-047
Sec motion ra
-044
Pri motion dec
+041
Sec motion dec
+040
Notes
V (Proper motion indicates physical)
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.5
Precise sep
39.873
Constellation
Hydra
Tycho2
6047-01135-1
Gaia DR2
5683904576442373248
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09413-1818 UC 1821 1999 6 178 39.9 11.50 11.70 V 094118.76-181802.0
09413-1818 UC 1821 2000 2 178 39.9 11.50 11.70 V 094118.76-181802.0
09413-1818 UC 1821 2010 9 178 39.8 11.54 11.73 V 094118.76-181802.0
09413-1818 UC 1821 2017 11 179 39.9 11.54 11.73 V 094118.76-181802.0

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