18093-2607 B   379AB

 
 
18h 09m 15.06s -26 07' 00.4" P.A. 1 sep 28.9 mag 7.75,13.54 Sp G1V dist. 39.48 pc (128.78 l.y.)
 
 
Coord 2000
18093-2607
Discov num
B   379
Comp
AB
Coord arcsec 2000
18 09 15.06 -26 07 00.4
Date first
1927
Date last
2000
Obs
5
Pa first
339
Pa last
1
P.A. Now (θ)
Sep first
4.7
Sep last
28.9
Sep. Now (ρ)
28.9"
Mag pri
7.75
Mag sec
13.54
delta mag (ΔM)
5.79
Spectral class
G1V (yellow)
Pri motion ra
-031
Sec motion ra
-022
Pri motion dec
-338
Sec motion dec
-025
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.923
This double is physical.
 
 
18093-2607 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186362 18093-2607 HDS2560 Aa,Ab 1991 2009 3 339 1.3 7.75 10.70 2.95
Show 186362 18093-2607 B 379 AB 1927 2000 5 1 28.9 7.75 13.54 5.79 <===
Show 186362 18093-2607 B 379 AC 1927 1999 3 3 17.0 7.75 14.50 6.75
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
0.9
Precise sep
28.88
Constellation
Sagittarius
SAO
186362
HIP
88937
Tycho2
6847-00673-1
HD
165896
CD
CD-2612862
CP
CP-26 6300
Distance
39.48
Distance ly
128.78
last precise pa
0.9
last precise sep
28.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18093-2607 B 379 AB 1999 3 2 16.8 7.75 13.54 G1V N D 180915.06-260700.4
18093-2607 B 379 AB 2000 3 1 28.9 7.75 13.54 G1V N D 180915.06-260700.4

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