12028-2947 RUZ   4

 
 
12h 02m 50.20s -29 47' 19.5" P.A. 39 sep 85.4 mag 12.70,16.30 Sp K4+M3
 
 
Coord 2000
12028-2947
Discov num
RUZ   4
Comp
Coord arcsec 2000
12 02 50.20 -29 47 19.5
Date first
1958
Date last
2015
Obs
9
Pa first
39
Pa last
39
P.A. Now (θ)
39°
Sep first
85.5
Sep last
85.4
Sep. Now (ρ)
85.4"
Mag pri
12.70
Mag sec
16.30
delta mag (ΔM)
3.6
Spectral class
K4+M3 (yellow-orange/red)
Pri motion ra
-124
Sec motion ra
-066
Pri motion dec
-085
Sec motion dec
-092
Notes
V (Proper motion indicates physical)
rPM=0.389
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.6
Precise sep
85.386
Constellation
Hydra
Gaia DR2
48227497216
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12028-2947 RUZ 4 2000 1 39 85.7 12.70 16.30 M4+M3 V 120250.20-294719.5
12028-2947 RUZ 4 2004 7 39 85.3 12.70 16.30 K4+M3 VD 120250.20-294719.5
12028-2947 RUZ 4 2010 8 39 85.4 12.70 16.30 K4 M3 VD 120250.20-294719.5
12028-2947 RUZ 4 2015 9 39 85.4 12.70 16.30 K4+M3 V 120250.20-294719.5

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