12490-6954 DON 557

 
 
12h 48m 57.85s -69 54' 09.3" P.A. 258 sep 0.9 mag 11.06,11.10
 
 
Coord 2000
12490-6954
Discov num
DON 557
Comp
Coord arcsec 2000
12 48 57.85 -69 54 09.3
Date first
1932
Date last
1991
Obs
4
Pa first
263
Pa last
258
P.A. Now (θ)
258°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.06
Mag sec
11.10
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.8
Precise sep
0.859
Constellation
Musca
Tycho2
9245-00417-1
last precise pa
257.8
last precise sep
0.859
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12490-6954 DON 557 1991 4 258 0.9 11.06 11.10 124857.85-695409.3

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