19312+6319 STF2549AC

 
 
19h 31m 12.30s +63 18' 52.5" P.A. 284 sep 28.4 mag 8.34,9.28 Sp K0
 
 
Coord 2000
19312+6319
Discov num
STF2549
Comp
AC
Coord arcsec 2000
19 31 12.30 +63 18 52.5
Date first
1832
Date last
2013
Obs
40
Pa first
291
Pa last
284
P.A. Now (θ)
284°
Sep first
21.1
Sep last
28.4
Sep. Now (ρ)
28.4"
Mag pri
8.34
Mag sec
9.28
delta mag (ΔM)
0.94
Spectral class
K0 (yellow-orange)
Pri motion ra
+041
Sec motion ra
-001
Pri motion dec
+020
Sec motion dec
+021
Notes
N L (See Notes, Linear solution)
rPM=0.921
This double is not physical.
 
 
19312+6319 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19312+6319 BU 655 AB 1878 1991 9 329 2.1 8.34 12.00 3.66
Show 19312+6319 STF2549 AC 1832 2013 40 284 28.4 8.34 9.28 0.94 <===
Show 19312+6319 STF2549 AD 1832 2010 39 270 55.1 8.34 8.03 0.31
Show 19312+6319 GUI 24 AE 1911 2003 8 241 152.6 8.34 10.47 2.13
Show 19312+6319 STF2549 DC 1832 2013 38 76 29.0 8.03 9.28 1.25
Show 19312+6319 GUI 24 DE 1902 2003 10 227 108.0 8.03 10.47 2.44
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284
Precise sep
28.35
Cdsa2 id
STF 2549 AC
Constellation
Draco
Ra deg
19.520083333333332
De deg
63.31458333333333
last precise pa
284
last precise sep
28.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19312+6319 STF2549 AC 2007 34 284 27.9 8.34 10.20 K0 LD 193112.26+631852.3
19312+6319 STF2549 AC 2008 35 284 27.9 8.34 9.28 K0 LD 193112.30+631852.5
19312+6319 STF2549 AC 2010 37 284 28.0 8.34 9.28 K0 NLD 193112.30+631852.5
19312+6319 STF2549 AC 2013 40 284 28.4 8.34 9.28 K0 NLD 193112.30+631852.5

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