17503-2620 HJ 4986AD

 
 
17h 50m 18.08s -26 19' 33.6" P.A. 60 sep 27.2 mag 8.16,12.12 Sp B7/B8V
 
 
Coord 2000
17503-2620
Discov num
HJ 4986
Comp
AD
Coord arcsec 2000
17 50 18.08 -26 19 33.6
Date first
1834
Date last
1999
Obs
5
Pa first
61
Pa last
60
P.A. Now (θ)
60°
Sep first
27.2
Sep last
27.2
Sep. Now (ρ)
27.2"
Mag pri
8.16
Mag sec
12.12
delta mag (ΔM)
3.96
Spectral class
B7/B8V (blue-white)
Pri motion ra
+002
Sec motion ra
-002
Pri motion dec
-007
Sec motion dec
+000
Notes
rPM=1.107
This double is not physical.
 
 
17503-2620 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185823 17503-2620 HJ 4986 AB 1834 1999 9 225 10.7 8.16 11.05 2.89
Show 185823 17503-2620 HJ 4986 AC 1834 1999 3 4 23.2 8.17 12.90 4.73
Show 185823 17503-2620 HJ 4986 AD 1834 1999 5 60 27.2 8.16 12.12 3.96 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
59.5
Precise sep
27.182
Constellation
Sagittarius
SAO
185823
Tycho2
6836-00023-1
HD
162082
last precise pa
59.5
last precise sep
27.182
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17503-2620 HJ 4986 AD 1998 4 60 27.3 8.16 12.12 D 175018.08-261933.6
17503-2620 HJ 4986 AD 1999 5 60 27.2 8.16 12.12 D 175018.08-261933.6

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