19091+3436 STF2474AB

 
 
19h 09m 04.35s +34 35' 59.9" P.A. 263 sep 15.9 mag 6.78,7.88 Sp G1V
 
 
Coord 2000
19091+3436
Discov num
STF2474
Comp
AB
Coord arcsec 2000
19 09 04.35 +34 35 59.9
Date first
1823
Date last
2017
Obs
79
Pa first
260
Pa last
263
P.A. Now (θ)
263°
Sep first
17.1
Sep last
15.9
Sep. Now (ρ)
15.9"
Mag pri
6.78
Mag sec
7.88
delta mag (ΔM)
1.1
Spectral class
G1V (yellow)
Pri motion ra
+056
Sec motion ra
+069
Pri motion dec
+191
Sec motion dec
+197
Notes
N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
19091+3436 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67879 19091+3436 CHR 84 Aa,Ab 1985 2014 35 322 0.1 6.89 8.96 2.07 Y
Show 19091+3436 STF2474 AB 1823 2017 79 263 15.9 6.78 7.88 1.10 <===
Show 19091+3436 WAL 105 AC 1940 1998 4 123 96.8 6.78 11.42 4.64
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.4
Precise sep
15.919
Constellation
Lyra
last precise pa
263.4
last precise sep
15.919
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19091+3436 STF2474 AB 2007 66 263 15.7 6.78 7.88 G1V NZDV 190904.35+343559.9
19091+3436 STF2474 AB 2008 67 263 16.0 6.78 7.88 G1V NZDV 190904.35+343559.9
19091+3436 STF2474 AB 2010 68 263 15.5 6.78 7.88 G1V NZDV 190904.35+343559.9
19091+3436 STF2474 AB 2012 69 263 15.9 6.78 7.88 G1V NZDV 190904.35+343559.9
19091+3436 STF2474 AB 2013 70 262 16.0 6.78 7.88 G1V NZDV 190904.35+343559.9
19091+3436 STF2474 AB 2014 77 263 15.9 6.78 7.88 G1V NZDV 190904.35+343559.9
19091+3436 STF2474 AB 2017 79 263 15.9 6.78 7.88 G1V NZ V 190904.35+343559.9

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