21103+4359 STF2773EF

 
 
21h 10m 16.48s +43 59' 07.0" P.A. 42 sep 10.9 mag 13.30,13.41 Sp A0
 
 
Coord 2000
21103+4359
Discov num
STF2773
Comp
EF
Coord arcsec 2000
21 10 16.48 +43 59 07.0
Date first
1909
Date last
2002
Obs
4
Pa first
56
Pa last
42
P.A. Now (θ)
42°
Sep first
11.0
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
13.30
Mag sec
13.41
delta mag (ΔM)
0.11
Spectral class
A0 (white)
Pri motion ra
-040
Sec motion ra
-009
Pri motion dec
+035
Sec motion dec
-004
Notes
rPM=0.937
This double is not physical.
 
 
21103+4359 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21103+4359 STF2773 AB 1828 2016 47 113 3.3 8.46 9.09 0.63
Show 21103+4359 STF2773 AC 1879 2002 6 64 20.4 8.46 13.30 4.84
Show 21103+4359 STF2773 AD 1915 2002 3 262 29.6 8.46 14.20 5.74
Show 21103+4359 STF2773 AE 1909 2002 3 150 51.5 8.46 13.30 4.84
Show 21103+4359 STF2773 EF 1909 2002 4 42 10.9 13.30 13.41 0.11 <===
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
41.8
Precise sep
10.858
Constellation
Cygnus
last precise pa
41.8
last precise sep
10.858
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21103+4359 STF2773 EF 2000 2 42 10.8 8.46   A0 211016.48+435907.0
21103+4359 STF2773 EF 2002 4 42 10.9 13.30 13.41 A0 211016.48+435907.0
21103+4359 STF2773 EF 2010 5 46 12.0 13.30 13.41 A0 211016.48+435907.0

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