18090-3446 RSS 474

 
 
18h 09m 01.82s -34 45' 42.4" P.A. 337 sep 26.8 mag 8.99,12.06 Sp G5 dist. 2631.58 pc (8584.21 l.y.)
 
 
Coord 2000
18090-3446
Discov num
RSS 474
Comp
Coord arcsec 2000
18 09 01.82 -34 45 42.4
Date first
1911
Date last
2010
Obs
6
Pa first
336
Pa last
337
P.A. Now (θ)
337°
Sep first
27.3
Sep last
26.8
Sep. Now (ρ)
26.8"
Mag pri
8.99
Mag sec
12.06
delta mag (ΔM)
3.07
Spectral class
G5 (yellow)
Pri motion ra
+003
Sec motion ra
+002
Pri motion dec
-002
Sec motion dec
-001
Notes
rPM=0.392
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.6
Precise sep
26.8
Constellation
Sagittarius
SAO
209768
HIP
88918
Tycho2
7400-01038-1
HD
321369
CD
CD-3412517
CP
CP-34 7612
Distance
2631.58
Distance ly
8584.21
last precise pa
336.6
last precise sep
26.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18090-3446 RSS 474 1998 4 337 26.9 8.85 12.00 G5 D 180901.82-344542.4
18090-3446 RSS 474 1999 5 337 26.7 8.85 12.00 G5 D 180901.82-344542.4
18090-3446 RSS 474 2010 6 337 26.6 8.99 12.06 G5 180901.82-344542.4

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