09069-1812 RST3621

 
 
09h 06m 54.79s -18 12' 05.6" P.A. 55 sep 2.2 mag 7.10,14.50 Sp K1IIICN dist. 144.51 pc (471.39 l.y.)
 
 
Coord 2000
09069-1812
Discov num
RST3621
Comp
Coord arcsec 2000
09 06 54.79 -18 12 05.6
Date first
1936
Date last
2015
Obs
4
Pa first
37
Pa last
55
P.A. Now (θ)
55°
Sep first
1.4
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
7.10
Mag sec
14.50
delta mag (ΔM)
7.4
Spectral class
K1IIICN (yellow-orange)
Pri motion ra
-023
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.9
Precise sep
2.167
Constellation
Hydra
SAO
154918
HIP
44733
Tycho2
6031-01074-1
Gaia DR2
09474895744
HD
78302
BD
BD-17 2751
Distance
144.51
Distance ly
471.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09069-1812 RST3621 1943 3 40 1.5 7.10 14.50 K1IIICN 090654.79-181205.6
09069-1812 RST3621 2015 4 55 2.2 7.10 14.50 K1IIICN 090654.79-181205.6

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