19401+1801 J   121AC

 
 
19h 40m 05.78s +18 00' 50.2" P.A. 244 sep 35.4 mag 4.37,14.90 Sp G1III
 
 
Coord 2000
19401+1801
Discov num
J   121
Comp
AC
Coord arcsec 2000
19 40 05.78 +18 00 50.2
Date first
1910
Date last
2013
Obs
5
Pa first
249
Pa last
244
P.A. Now (θ)
244°
Sep first
35.8
Sep last
35.4
Sep. Now (ρ)
35.4"
Mag pri
4.37
Mag sec
14.90
delta mag (ΔM)
10.53
Spectral class
G1III (yellow)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19401+1801 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Sham 105120 19401+1801 J 121 AB 1910 2015 11 180 28.9 4.37 13.20 8.83
Show 19401+1801 J 121 AC 1910 2013 5 244 35.4 4.37 14.90 10.53 <===
Show 19401+1801 WAL 118 AD 1897 2013 7 148 82.6 4.37 11.21 6.84
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.9
Precise sep
35.35
Constellation
Sagitta
last precise pa
243.9
last precise sep
35.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19401+1801 J 121 AC 2007 3 242 35.6 4.37 14.90 G1III N D 194005.78+180050.2
19401+1801 J 121 AC 2013 5 244 35.4 4.37 14.90 G1III N 194005.78+180050.2

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 19401+1801 J 121AC : NOTES
 
 
discov_num notes refcode
J 121 alp Sge = 5 Sge = Sham
 
 
REFERENCES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
J Jonckheere, R.
J Jonckheere, R. (measure by Vanderdonck, J.)

 
 
WDS 19401+1801 J 121AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19401+1801 J 121AC : MEASURES
 
 
No records found.

 
 
WDS 19401+1801 J 121AC : Virtual Eyepiece
 
 

19401+1801  J   121 A 19401+1801  J   121AB sep 28.9 P.A. 180 mag 4.37,13.20 Sp G1III 19401+1801  J   121AC sep 35.4 P.A. 244 mag 4.37,14.90 Sp G1III 19401+1801  WAL 118AD sep 82.6 P.A. 148 mag 4.37,11.21 Sp G1III virtual eyepiece
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Radius:
 
 
WDS 19401+1801 J 121AC : Aladin DSS image @ 19h 40m 05.78s +18 00' 50.2"