19538+1820 BPM1798

 
 
19h 53m 47.85s +18 20' 23.3" P.A. 315.00 sep 78.5 mag 14.61,15.15
 
 
Coord 2000
19538+1820
Discov num
BPM1798
Comp
Coord arcsec 2000
19 53 47.85 +18 20 23.3
Date first
1996
Date last
2015
Obs
9
Pa first
315
Pa last
315
P.A. Now (θ)
315°
Sep first
78.7
Sep last
78.5
Sep. Now (ρ)
78.5"
Mag pri
14.61
Mag sec
15.15
delta mag (ΔM)
0.54
Spectral class
Pri motion ra
-017
Sec motion ra
-003
Pri motion dec
-004
Sec motion dec
-031
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.977
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315
Precise sep
78.45
Constellation
Sagitta
Gaia DR2
25388585728
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19538+1820 BPM1798 2000 2 315 78.5 14.61 15.15 NV 195347.85+182023.3
19538+1820 BPM1798 2001 3 315 78.5 14.61 15.15 NV 195347.85+182023.3
19538+1820 BPM1798 2010 4 315 78.5 14.61 15.15 NV 195347.85+182023.3
19538+1820 BPM1798 2015 5 315 78.5 14.61 15.15 NV 195347.85+182023.3

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