20099+2055 STF2637BC

 
 
20h 09m 56.25s +20 55' 04.3" P.A. 215 sep 95.7 mag 8.85,7.52 Sp F2
 
 
Coord 2000
20099+2055
Discov num
STF2637
Comp
BC
Coord arcsec 2000
20 09 56.25 +20 55 04.3
Date first
1800
Date last
2017
Obs
59
Pa first
221
Pa last
215
P.A. Now (θ)
215°
Sep first
66.2
Sep last
95.7
Sep. Now (ρ)
95.7"
Mag pri
8.85
Mag sec
7.52
delta mag (ΔM)
1.33
Spectral class
F2 (yellow-white)
Pri motion ra
+064
Sec motion ra
+005
Pri motion dec
+102
Sec motion dec
-005
Notes
N L (See Notes, Linear solution)
rPM=1.015
This double is not physical.
 
 
20099+2055 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show The Sge 88276 20099+2055 STF2637 AB 1800 2017 137 332 11.6 6.56 8.85 2.29
Show 88276 20099+2055 STF2637 AC 1800 2017 93 222 91.3 6.56 7.52 0.96
Show 20099+2055 STF2637 AD 1887 2016 9 226 172.8 6.56 11.94 5.38
Show 20099+2055 STF2637 BC 1800 2017 59 215 95.7 8.85 7.52 1.33 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
215.4
Precise sep
95.687
Cdsa2 id
STF 2637 BC
Constellation
Sagitta
Ra deg
20.165625
De deg
20.91786111111111
last precise pa
215.4
last precise sep
95.687
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20099+2055 STF2637 BC 2004 51 215 94.3 8.90 7.30 NLD 200956.25+205504.3
20099+2055 STF2637 BC 2013 56 216 94.5 8.85 7.52 NL 200956.25+205504.3
20099+2055 STF2637 BC 2016 57 215 95.9 8.85 7.52 F2 NL 200956.25+205504.3
20099+2055 STF2637 BC 2017 59 215 95.7 8.85 7.52 F2 NL 200956.25+205504.3

If you need more information about this double, apply for a data request form to the WDS.