19020+1907 HJ 2851AB

 
 
19h 01m 57.65s +19 07' 29.6" P.A. 165 sep 13.9 mag 7.06,11.82 Sp G9III dist. 215.05 pc (701.49 l.y.)
 
 
Coord 2000
19020+1907
Discov num
HJ 2851
Comp
AB
Coord arcsec 2000
19 01 57.65 +19 07 29.6
Date first
1831
Date last
2013
Obs
9
Pa first
109
Pa last
165
P.A. Now (θ)
165°
Sep first
16.0
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
7.06
Mag sec
11.82
delta mag (ΔM)
4.76
Spectral class
G9III (yellow)
Pri motion ra
+075
Sec motion ra
+145
Pri motion dec
+032
Sec motion dec
-151
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.936
This double is not physical.
 
 
19020+1907 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104384 19020+1907 HJ 2851 AB 1831 2013 9 165 13.9 7.06 11.82 4.76 <===
Show 104384 19020+1907 HJ 2851 AC 1879 2013 15 291 48.4 7.06 11.35 4.29
Show 104384 19020+1907 WAL 102 AD 1944 2013 6 137 44.3 7.06 12.61 5.55
Show 104384 19020+1907 ARN 18 AE 1895 2013 21 339 173.8 7.06 7.95 0.89
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.6
Precise sep
13.94
Constellation
Sagitta
SAO
104384
HIP
93453
Tycho2
1593-01322-1
HD
176973
BD
BD+18 3922
Distance
215.05
Distance ly
701.49
last precise pa
164.6
last precise sep
13.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19020+1907 HJ 2851 AB 1926 5 131 15.3 7.06 11.82 G9III D 190157.65+190729.6
19020+1907 HJ 2851 AB 1999 7 159 13.9 7.06 11.82 G9III N DU 190157.65+190729.6
19020+1907 HJ 2851 AB 2001 7 160 14.3 7.06 11.82 G9III NUD 190157.65+190729.6
19020+1907 HJ 2851 AB 2012 8 164 14.1 7.06 11.82 G9III NUD 190157.65+190729.6
19020+1907 HJ 2851 AB 2013 9 165 13.9 7.06 11.82 G9III NL 190157.65+190729.6

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