19543+1746 BPM1811

 
 
19h 54m 15.68s +17 45' 39.0" P.A. 121.00 sep 44.0 mag 15.19,15.79
 
 
Coord 2000
19543+1746
Discov num
BPM1811
Comp
Coord arcsec 2000
19 54 15.68 +17 45 39.0
Date first
1992
Date last
2015
Obs
8
Pa first
122
Pa last
121
P.A. Now (θ)
121°
Sep first
44.2
Sep last
44.0
Sep. Now (ρ)
44"
Mag pri
15.19
Mag sec
15.79
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-114
Sec motion ra
+015
Pri motion dec
-086
Sec motion dec
+008
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=1.118
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.3
Precise sep
43.974
Constellation
Sagitta
Gaia DR2
27675316864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19543+1746 BPM1811 1997 2 121 44.0 15.19 15.79 NV 195415.68+174539.0
19543+1746 BPM1811 2001 3 121 43.9 15.19 15.79 NV 195415.68+174539.0
19543+1746 BPM1811 2010 4 122 43.7 15.19 15.79 NV 195415.68+174539.0
19543+1746 BPM1811 2015 4 121 43.8 15.19 15.79 NV 195415.68+174539.0

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