13028-2631 B  2742

 
 
13h 02m 45.66s -26 31' 19.8" P.A. 339 sep 12.4 mag 9.63,11.00 Sp F0
 
 
Coord 2000
13028-2631
Discov num
B  2742
Comp
Coord arcsec 2000
13 02 45.66 -26 31 19.8
Date first
1912
Date last
2010
Obs
6
Pa first
338
Pa last
339
P.A. Now (θ)
339°
Sep first
12.5
Sep last
12.4
Sep. Now (ρ)
12.4"
Mag pri
9.63
Mag sec
11.00
delta mag (ΔM)
1.37
Spectral class
F0 (yellow-white)
Pri motion ra
-013
Sec motion ra
-019
Pri motion dec
+000
Sec motion dec
-002
Notes
rPM=0.331
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.8
Precise sep
12.41
Constellation
Hydra
SAO
181338
Tycho2
6706-00209-1
last precise pa
338.8
last precise sep
12.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13028-2631 B 2742 1998 4 338 12.5 9.63 11.00 F0 D 130245.66-263119.8
13028-2631 B 2742 1999 5 338 12.5 9.63 11.00 F0 D 130245.66-263119.8
13028-2631 B 2742 2010 6 339 12.4 9.63 11.00 F0 130245.66-263119.8

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