18490-2830 RST2077

 
 
18h 48m 59.13s -28 30' 27.4" P.A. 164 sep 0.6 mag 10.50,12.30
 
 
Coord 2000
18490-2830
Discov num
RST2077
Comp
Coord arcsec 2000
18 48 59.13 -28 30 27.4
Date first
1931
Date last
1944
Obs
3
Pa first
159
Pa last
164
P.A. Now (θ)
164°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
10.50
Mag sec
12.30
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
003
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.3
Precise sep
0.64
Constellation
Sagittarius
Tycho2
6871-00332-1
last precise pa
164.3
last precise sep
0.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18490-2830 RST2077 1944 3 164 0.6 10.50 12.30 184859.13-283027.4

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