19071-1844 HDS2710 (V4198 Sgr)

 
 
19h 07m 08.33s -18 44' 17.3" P.A. 108 sep 0.7 mag 6.35,9.16 Sp B8V dist. 185.87 pc (606.31 l.y.)
 
 
Coord 2000
19071-1844
Discov num
HDS2710
Comp
Coord arcsec 2000
19 07 08.33 -18 44 17.3
Date first
1991
Date last
2014
Obs
2
Pa first
104
Pa last
108
P.A. Now (θ)
108°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
6.35
Mag sec
9.16
delta mag (ΔM)
2.81
Spectral class
B8V (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107.6
Precise sep
0.729
Var name
V4198 Sgr
Constellation
Sagittarius
SAO
162204
HIP
93887
HD
177863
HR
7241
Distance
185.87
Distance ly
606.31
last precise pa
107.6
last precise sep
0.729
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19071-1844 HDS2710 1991 1 104 0.7 6.35 9.16 B8V D 190708.33-184417.3
19071-1844 HDS2710 2014 2 108 0.7 6.35 9.16 B8V 190708.33-184417.3

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