19507-4152 I   122

 
 
19h 50m 40.35s -41 51' 34.5" P.A. 336 sep 5.3 mag 7.77,10.09 Sp A8/9V dist. 166.94 pc (544.56 l.y.)
 
 
Coord 2000
19507-4152
Discov num
I   122
Comp
Coord arcsec 2000
19 50 40.35 -41 51 34.5
Date first
1896
Date last
2016
Obs
16
Pa first
330
Pa last
336
P.A. Now (θ)
336°
Sep first
4.0
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
7.77
Mag sec
10.09
delta mag (ΔM)
2.32
Spectral class
A8/9V (white)
Pri motion ra
+037
Sec motion ra
+031
Pri motion dec
-020
Sec motion dec
-014
Notes
rPM=0.202 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.4
Precise sep
5.3
Constellation
Sagittarius
SAO
229890
HIP
97639
Tycho2
7942-01241-1
HD
187211
CD
CD-4214496
CP
CP-42 8921
Distance
166.94
Distance ly
544.56
last precise pa
336.4
last precise sep
5.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19507-4152 I 122 1998 13 337 5.2 7.77 10.09 A8/9V D 195040.35-415134.5
19507-4152 I 122 2016 16 336 5.3 7.77 10.09 A8/9V 195040.35-415134.5

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