19441+1222 STF2567AB

 
 
19h 44m 06.10s +12 22' 21.1" P.A. 310 sep 17.7 mag 7.93,9.96 Sp A2V
 
 
Coord 2000
19441+1222
Discov num
STF2567
Comp
AB
Coord arcsec 2000
19 44 06.10 +12 22 21.1
Date first
1783
Date last
2015
Obs
39
Pa first
311
Pa last
310
P.A. Now (θ)
310°
Sep first
22.8
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
7.93
Mag sec
9.96
delta mag (ΔM)
2.03
Spectral class
A2V (white)
Pri motion ra
+002
Sec motion ra
+000
Pri motion dec
-012
Sec motion dec
-017
Notes
N (See Notes)
rPM=0.317
Nature of this double is uncertain.
 
 
19441+1222 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19441+1222 STF2567 AB 1783 2015 39 310 17.7 7.93 9.96 2.03 <===
Show 19441+1222 DAM 310 BC 1997 2001 2 1 7.3 10.00 13.00 3.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.9
Precise sep
17.679
Constellation
Aquila
last precise pa
309.9
last precise sep
17.679
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19441+1222 STF2567 AB 2009 29 312 17.8 7.93 9.96 A2V N D 194406.10+122221.1
19441+1222 STF2567 AB 2012 32 311 18.1 7.93 9.96 A2V N D 194406.10+122221.1
19441+1222 STF2567 AB 2013 38 312 17.9 7.93 9.96 A2V N D 194406.10+122221.1
19441+1222 STF2567 AB 2015 39 310 17.7 7.93 9.96 A2V N 194406.10+122221.1

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