21154-1021 STF2776BC

 
 
21h 15m 28.26s -10 20' 01.6" P.A. 338 sep 5.9 mag 9.92,10.90 Sp K5
 
 
Coord 2000
21154-1021
Discov num
STF2776
Comp
BC
Coord arcsec 2000
21 15 28.26 -10 20 01.6
Date first
1833
Date last
2016
Obs
19
Pa first
341
Pa last
338
P.A. Now (θ)
338°
Sep first
5.9
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
9.92
Mag sec
10.90
delta mag (ΔM)
0.98
Spectral class
K5 (yellow-orange)
Pri motion ra
+045
Sec motion ra
+017
Pri motion dec
-061
Sec motion dec
+008
Notes
N (See Notes)
rPM=0.982
This double is not physical.
 
 
21154-1021 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 164257 21154-1021 STF2776 AB 1782 2016 22 53 83.5 8.27 9.92 1.65
Show 164261 21154-1021 STF2776 BC 1833 2016 19 338 5.9 9.92 10.90 0.98 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.2
Precise sep
5.917
Constellation
Aquarius
SAO
164261
Tycho2
5776-01621-1
HD
358361
last precise pa
338.2
last precise sep
5.917
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21154-1021 STF2776 BC 1998 17 338 5.9 9.92 10.90 N D 211528.26-102001.6
21154-1021 STF2776 BC 2000 18 338 5.9 9.92 10.90 N D 211528.26-102001.6
21154-1021 STF2776 BC 2010 19 338 4.9 9.92 10.90 K5 N 211528.26-102001.6
21154-1021 STF2776 BC 2016 19 338 5.9 9.92 10.90 K5 N 211528.26-102001.6

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