20111+1611 BUP 205BC

 
 
20h 11m 13.62s +16 08' 24.5" P.A. 273.00 sep 61.8 mag 9.67,12.65 Sp K0
 
 
Coord 2000
20111+1611
Discov num
BUP 205
Comp
BC
Coord arcsec 2000
20 11 13.62 +16 08 24.5
Date first
1904
Date last
2015
Obs
15
Pa first
270
Pa last
273
P.A. Now (θ)
273°
Sep first
64.0
Sep last
61.8
Sep. Now (ρ)
61.8"
Mag pri
9.67
Mag sec
12.65
delta mag (ΔM)
2.98
Spectral class
K0 (yellow-orange)
Pri motion ra
-024
Sec motion ra
+002
Pri motion dec
-027
Sec motion dec
+001
Notes
N U (See Notes, Proper motion indicates non-physical)
Visually invisible, K-band or other infrared star rPM=1.058
This double is not physical.
 
 
20111+1611 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 105793 20111+1611 ENG 71 AB 1893 2015 14 148 212.3 7.42 9.67 2.25
Show 105793 20111+1611 HZG 15 AD 1904 2015 14 255 35.3 7.42 11.21 3.79
Show 105793 20111+1611 GIC 163 AE 1962 2015 10 92 107.7 7.42 13.93 6.51
Show 105793 20111+1611 BUP 205 BC 1904 2015 15 273 61.8 9.67 12.65 2.98 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.1
Precise sep
61.784
Constellation
Sagitta
SAO
105793
Tycho2
1618-00610-1
Gaia DR2
09802848000
HD
355082
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20111+1611 BUP 205 BC 2002 4 273 61.7 9.67 12.62 D 201113.62+160824.5
20111+1611 BUP 205 BC 2008 5 273 61.8 9.67 12.62 D 201113.62+160824.5
20111+1611 BUP 205 BC 2013 8 273 60.5 9.67 12.65 NU 201113.62+160824.5
20111+1611 BUP 205 BC 2014 9 273 61.1 9.67 12.65 K0 NU 201113.62+160824.5
20111+1611 BUP 205 BC 2015 10 273 61.8 9.67 12.65 K0 NU 201113.62+160824.5

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