18137-1903 SKF  97

 
 
18h 13m 43.45s -19 02' 43.1" P.A. 263 sep 3 mag 10.90,16.00 Sp A
 
 
Coord 2000
18137-1903
Discov num
SKF  97
Comp
Coord arcsec 2000
18 13 43.45 -19 02 43.1
Date first
1998
Date last
2006
Obs
4
Pa first
267
Pa last
263
P.A. Now (θ)
263°
Sep first
2.2
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
10.90
Mag sec
16.00
delta mag (ΔM)
5.1
Spectral class
A (white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.2
Precise sep
2.97
Constellation
Sagittarius
Tycho2
6272-01711-1
HD
312913
last precise pa
263.2
last precise sep
2.97
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18137-1903 SKF 97 2000 1 85 3.0 10.90   181343.45-190243.1
18137-1903 SKF 97 2004 2 263 2.7 10.90 16.00 A 181343.45-190243.1
18137-1903 SKF 97 2006 4 263 3.0 10.90 16.00 A 181343.45-190243.1

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