18305-2315 RST4013 (23 Sgr)

 
 
18h 30m 29.16s -23 15' 02.3" P.A. 264 sep 1.3 mag 7.00,11.70 Sp G8Ib/II dist. 377.36 pc (1230.95 l.y.)
 
 
Coord 2000
18305-2315
Discov num
RST4013
Comp
Coord arcsec 2000
18 30 29.16 -23 15 02.3
Date first
1935
Date last
1949
Obs
3
Pa first
261
Pa last
264
P.A. Now (θ)
264°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
7.00
Mag sec
11.70
delta mag (ΔM)
4.7
Spectral class
G8Ib/II (yellow)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.1
Precise sep
1.26
Name
23 Sgr
Constellation
Sagittarius
SAO
186894
HIP
90713
Tycho2
6857-01414-1
HD
170457
CD
CD-2314431
CP
CP-23 7111
Flamsteed
23 Sagittarii
Flamsteed name
23 Sgr
Distance
377.36
Distance ly
1230.95
last precise pa
264.1
last precise sep
1.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18305-2315 RST4013 1949 3 264 1.3 7.00 11.70 G8Ib/II 183029.16-231502.3

If you need more information about this double, apply for a data request form to the WDS.