21210+0217 HEI 408DE

 
 
21h 21m 03.52s +02 16' 51.7" P.A. 106 sep 54.5 mag 11.92,11.16
 
 
Coord 2000
21210+0217
Discov num
HEI 408
Comp
DE
Coord arcsec 2000
21 21 03.52 +02 16 51.7
Date first
1909
Date last
2015
Obs
8
Pa first
105
Pa last
106
P.A. Now (θ)
106°
Sep first
52.5
Sep last
54.5
Sep. Now (ρ)
54.5"
Mag pri
11.92
Mag sec
11.16
delta mag (ΔM)
0.76
Spectral class
Pri motion ra
+004
Sec motion ra
+016
Pri motion dec
+004
Sec motion dec
-014
Notes
N (See Notes)
rPM=1.018
This double is not physical.
 
 
21210+0217 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21210+0217 BAL1586 Aa,Ab 1966 1966 1 111 0.6 11.60 11.80 0.20
Show 21210+0217 HEI 408 AB 1986 2003 6 257 2.3 10.98 11.18 0.20
Show 21210+0217 HEI 408 AC 1909 2015 8 273 55.5 10.96 11.70 0.74
Show 21210+0217 HEI 408 AD 1909 2015 8 111 95.2 10.96 11.92 0.96
Show 21210+0217 HEI 408 DE 1909 2015 8 106 54.5 11.92 11.16 0.76 <===
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106
Precise sep
54.45
Constellation
Aquarius
Tycho2
0532-00097-1
last precise pa
106
last precise sep
54.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21210+0217 HEI 408 DE 2000 2 106 54.4 11.80 11.00 212103.52+021651.7
21210+0217 HEI 408 DE 2015 8 106 54.5 11.92 11.16 N 212103.52+021651.7

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