19584+1713 BPM1890

 
 
19h 58m 21.84s +17 13' 27.0" P.A. 114.00 sep 102.3 mag 15.12,15.64
 
 
Coord 2000
19584+1713
Discov num
BPM1890
Comp
Coord arcsec 2000
19 58 21.84 +17 13 27.0
Date first
1992
Date last
2015
Obs
8
Pa first
114
Pa last
114
P.A. Now (θ)
114°
Sep first
102.3
Sep last
102.3
Sep. Now (ρ)
102.3"
Mag pri
15.12
Mag sec
15.64
delta mag (ΔM)
0.52
Spectral class
Pri motion ra
-012
Sec motion ra
-008
Pri motion dec
-013
Sec motion dec
-016
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.28 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
113.8
Precise sep
102.307
Constellation
Sagitta
SAO
105489
Tycho2
1620-01767-1
Gaia DR2
85216647168
HD
354262
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19584+1713 BPM1890 1997 2 114 102.3 15.12 15.64 NV 195821.84+171327.0
19584+1713 BPM1890 2001 3 114 102.3 15.12 15.64 NV 195821.84+171327.0
19584+1713 BPM1890 2010 4 114 102.8 15.12 15.64 NV 195821.84+171327.0
19584+1713 BPM1890 2015 5 114 102.3 15.12 15.64 NV 195821.84+171327.0

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