19171+0920 STT 370AB

 
 
19h 17m 03.16s +09 20' 19.6" P.A. 14 sep 19.5 mag 8.34,8.71 Sp K2IIvar
 
 
Coord 2000
19171+0920
Discov num
STT 370
Comp
AB
Coord arcsec 2000
19 17 03.16 +09 20 19.6
Date first
1843
Date last
2015
Obs
48
Pa first
15
Pa last
14
P.A. Now (θ)
14°
Sep first
19.5
Sep last
19.5
Sep. Now (ρ)
19.5"
Mag pri
8.34
Mag sec
8.71
delta mag (ΔM)
0.37
Spectral class
K2IIvar (yellow-orange)
Pri motion ra
+011
Sec motion ra
+012
Pri motion dec
-002
Sec motion dec
+000
Notes
N Z W (See Notes, Parallax indicates components are physical, )
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
19171+0920 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19171+0920 STT 370 AB 1843 2015 48 14 19.5 8.34 8.71 0.37 <===
Show 19171+0920 STT 370 AC 1999 2013 6 79 22.6 8.34 13.38 5.04
Show 19171+0920 STT 370 BC 1999 2013 6 130 22.2 8.71 13.38 4.67
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
13.5
Precise sep
19.517
Constellation
Aquila
Tycho2
1042-02854-1
HD
180660
last precise pa
13.5
last precise sep
19.517
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19171+0920 STT 370 AB 2007 43 14 19.7 8.34 8.71 K2IIvar NZD 191703.16+092019.6
19171+0920 STT 370 AB 2009 45 14 19.6 8.34 8.71 K2IIvar NZD 191703.16+092019.6
19171+0920 STT 370 AB 2013 47 16 19.5 8.34 8.71 K2IIvar NZD 191703.16+092019.6
19171+0920 STT 370 AB 2015 48 14 19.5 8.34 8.71 K2IIvar NZW 191703.16+092019.6

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