20090+1808 HJ 2932AD

 
 
20h 09m 03.45s +18 07' 06.4" P.A. 322 sep 13 mag 10.01,14.70
 
 
Coord 2000
20090+1808
Discov num
HJ 2932
Comp
AD
Coord arcsec 2000
20 09 03.45 +18 07 06.4
Date first
1999
Date last
2016
Obs
8
Pa first
327
Pa last
322
P.A. Now (θ)
322°
Sep first
13.9
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
10.01
Mag sec
14.70
delta mag (ΔM)
4.69
Spectral class
Pri motion ra
+022
Sec motion ra
Pri motion dec
+024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20090+1808 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20090+1808 HJ 2932 AB 1831 2016 15 165 12.6 10.01 11.17 1.16
Show 20090+1808 HJ 2932 AC 1831 2016 11 217 24.3 10.01 14.00 3.99
Show 20090+1808 HJ 2932 AD 1999 2016 8 322 13.0 10.01 14.70 4.69 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.1
Precise sep
13
Constellation
Sagitta
Tycho2
1622-01432-1
Gaia DR2
02463035264
HD
351488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20090+1808 HJ 2932 AD 1999 2 327 13.9 10.01 14.70 D 200903.45+180706.4
20090+1808 HJ 2932 AD 2001 3 326 13.8 10.01 14.70 D 200903.45+180706.4
20090+1808 HJ 2932 AD 2016 4 322 13.0 10.01 14.70 200903.45+180706.4

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