19507+2018 TVB   5

 
 
19h 50m 41.96s +20 18' 29.2" P.A. 240.00 sep 9.3 mag 9.08,10.50 Sp B9
 
 
Coord 2000
19507+2018
Discov num
TVB   5
Comp
Coord arcsec 2000
19 50 41.96 +20 18 29.2
Date first
1895
Date last
2016
Obs
14
Pa first
242
Pa last
240
P.A. Now (θ)
240°
Sep first
9.3
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
9.08
Mag sec
10.50
delta mag (ΔM)
1.42
Spectral class
B9 (blue-white)
Pri motion ra
-000
Sec motion ra
-001
Pri motion dec
-005
Sec motion dec
-005
Notes
rPM=0.196 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.6
Precise sep
9.268
Constellation
Hydra
SAO
87802
Tycho2
1623-00135-1
Gaia DR2
1826312766820666496
HD
350616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19507+2018 TVB 5 2001 7 239 9.2 9.08 10.50 195041.96+201829.2
19507+2018 TVB 5 2016 9 240 9.3 9.08 10.50 B9 195041.96+201829.2

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