19270+7322 STF2550AB

 
 
19h 26m 59.48s +73 21' 58.7" P.A. 252 sep 1.9 mag 8.50,8.43 Sp F2
 
 
Coord 2000
19270+7322
Discov num
STF2550
Comp
AB
Coord arcsec 2000
19 26 59.48 +73 21 58.7
Date first
1832
Date last
2016
Obs
50
Pa first
249
Pa last
252
P.A. Now (θ)
252°
Sep first
2.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
8.50
Mag sec
8.43
delta mag (ΔM)
0.07
Spectral class
F2 (yellow-white)
Pri motion ra
+018
Sec motion ra
+004
Pri motion dec
+032
Sec motion dec
+039
Notes
rPM=0.399
Nature of this double is uncertain.
 
 
19270+7322 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19270+7322 STF2550 AB 1832 2016 50 252 1.9 8.50 8.43 0.07 <===
Show 19270+7322 STF2550 AC 1894 2004 12 167 78.4 8.50 10.10 1.60
Show 19270+7322 STF2550 BC 1894 2004 10 167 78.4 8.43 10.10 1.67
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.7
Precise sep
1.946
Constellation
Draco
Tycho2
4456-02093-2
HD
184292
last precise pa
251.7
last precise sep
1.946
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19270+7322 STF2550 AB 1998 53 251 1.9 8.50 8.43 F2 D 192659.48+732158.7
19270+7322 STF2550 AB 2006 54 251 1.9 8.50 8.43 F2 D 192659.48+732158.7
19270+7322 STF2550 AB 2008 55 251 1.9 8.50 8.43 F2 D 192659.48+732158.7
19270+7322 STF2550 AB 2009 56 251 1.9 8.50 8.43 F2 D 192659.48+732158.7
19270+7322 STF2550 AB 2016 49 252 1.9 8.50 8.43 F2 192659.48+732158.7

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