19448+1649 STF2569

 
 
19h 44m 47.81s +16 48' 55.1" P.A. 357 sep 2.3 mag 8.44,9.07 Sp A0
 
 
Coord 2000
19448+1649
Discov num
STF2569
Comp
Coord arcsec 2000
19 44 47.81 +16 48 55.1
Date first
1830
Date last
2016
Obs
39
Pa first
2
Pa last
357
P.A. Now (θ)
357°
Sep first
2.4
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
8.44
Mag sec
9.07
delta mag (ΔM)
0.63
Spectral class
A0 (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-004
Sec motion dec
-004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.7
Precise sep
2.3
Cdsa2 id
STF 2569
Constellation
Sagitta
Tycho2
1615-01759-1
HD
186586
Ra deg
19.74661388888889
De deg
16.815305555555558
last precise pa
356.7
last precise sep
2.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19448+1649 STF2569 2000 36 357 2.1 8.44 9.07 A0 D 194447.81+164855.1
19448+1649 STF2569 2006 38 357 2.1 8.44 9.07 A0 D 194447.81+164855.1
19448+1649 STF2569 2008 39 356 2.1 8.44 9.07 A0 D 194447.81+164855.1
19448+1649 STF2569 2011 40 355 2.1 8.44 9.07 A0 N 194447.81+164855.1
19448+1649 STF2569 2012 38 357 2.0 8.44 9.07 A0 N 194447.81+164855.1
19448+1649 STF2569 2016 39 357 2.3 8.44 9.07 A0 N 194447.81+164855.1

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