21064-4123 SEE 437AB (Eta Mic)

 
 
21h 06m 25.50s -41 23' 09.4" P.A. 54 sep 43.8 mag 5.66,14.60 Sp K6/7V dist. 218.34 pc (712.23 l.y.)
 
 
Coord 2000
21064-4123
Discov num
SEE 437
Comp
AB
Coord arcsec 2000
21 06 25.50 -41 23 09.4
Date first
1897
Date last
1999
Obs
3
Pa first
57
Pa last
54
P.A. Now (θ)
54°
Sep first
44.1
Sep last
43.8
Sep. Now (ρ)
43.8"
Mag pri
5.66
Mag sec
14.60
delta mag (ΔM)
8.94
Spectral class
K6/7V (yellow-orange)
Pri motion ra
+028
Sec motion ra
+013
Pri motion dec
-012
Sec motion dec
+007
Notes
N (See Notes)
rPM=0.795
Nature of this double is uncertain.
 
 
21064-4123 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eta Mic 230523 21064-4123 SEE 437 AB 1897 1999 3 54 43.8 5.66 14.60 8.94 <===
Show 230523 21064-4123 SEE 437 AC 1879 2013 16 88 127.8 5.66 7.92 2.26
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.4
Precise sep
43.79
Name
Eta Mic
Constellation
Microscopium
SAO
230523
HIP
104177
Tycho2
7973-01199-1
Gaia DR2
6581319743624477440
HD
200702
HR
8069
GC
29461
CD
CD-4114379
CP
CP-41 9552
Bayer
Eta Microscopii
Bayer name
Eta Mic
Distance
218.34
Distance ly
712.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21064-4123 SEE 437 AB 1999 2 54 43.8 5.66 14.60 K6/7V N D 210625.50-412309.4

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