19563+1718 BPM1842

 
 
19h 56m 17.57s +17 18' 15.9" P.A. 144.00 sep 84.2 mag 15.73,15.76
 
 
Coord 2000
19563+1718
Discov num
BPM1842
Comp
Coord arcsec 2000
19 56 17.57 +17 18 15.9
Date first
1995
Date last
2015
Obs
8
Pa first
144
Pa last
144
P.A. Now (θ)
144°
Sep first
84.2
Sep last
84.2
Sep. Now (ρ)
84.2"
Mag pri
15.73
Mag sec
15.76
delta mag (ΔM)
0.03
Spectral class
Pri motion ra
-010
Sec motion ra
-012
Pri motion dec
-018
Sec motion dec
-017
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.107 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143.7
Precise sep
84.163
Constellation
Sagitta
Gaia DR2
51096559488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19563+1718 BPM1842 1998 2 144 84.3 15.73 15.76 NV 195617.57+171815.9
19563+1718 BPM1842 2001 3 144 84.3 15.73 15.76 NV 195617.57+171815.9
19563+1718 BPM1842 2010 4 144 84.3 15.73 15.76 NV 195617.57+171815.9
19563+1718 BPM1842 2015 5 144 84.1 15.73 15.76 NV 195617.57+171815.9

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