19402+6030 STF2573

 
 
19h 40m 13.20s +60 30' 25.6" P.A. 26.00 sep 18.2 mag 6.51,8.91 Sp A5V dist. 155.52 pc (507.31 l.y.)
 
 
Coord 2000
19402+6030
Discov num
STF2573
Comp
Coord arcsec 2000
19 40 13.20 +60 30 25.6
Date first
1831
Date last
2019
Obs
49
Pa first
28
Pa last
26
P.A. Now (θ)
26°
Sep first
20.0
Sep last
18.2
Sep. Now (ρ)
18.2"
Mag pri
6.51
Mag sec
8.91
delta mag (ΔM)
2.4
Spectral class
A5V (white)
Pri motion ra
+004
Sec motion ra
+005
Pri motion dec
-009
Sec motion dec
-008
Notes
N T (See Notes, Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.144 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26.2
Precise sep
18.185
Constellation
Draco
SAO
18461
HIP
96771
Tycho2
4230-01061-1
Gaia DR2
17378393856
HD
186340
HR
7500
BD
BD+60 1991
Distance
155.52
Distance ly
507.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19402+6030 STF2573 2006 35 25 18.0 6.51 8.91 A5V N D 194013.20+603025.6
19402+6030 STF2573 2009 36 27 17.8 6.51 8.91 A5V N D 194013.20+603025.6
19402+6030 STF2573 2010 39 26 18.1 6.51 8.91 A5V N D 194013.20+603025.6
19402+6030 STF2573 2012 41 27 18.2 6.51 8.91 A5V N D 194013.20+603025.6
19402+6030 STF2573 2014 42 26 18.2 6.51 8.91 A5V N D 194013.20+603025.6
19402+6030 STF2573 2015 43 26 18.1 6.51 8.91 A5V N 194013.20+603025.6
19402+6030 STF2573 2017 45 27 18.3 6.51 8.91 A5V N 194013.20+603025.6
19402+6030 STF2573 2018 47 27 18.1 6.51 8.91 A5V N 194013.20+603025.6
19402+6030 STF2573 2019 49 26 18.2 6.51 8.91 A5V NT 194013.20+603025.6

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