15420-3043 HJ 2789AB

 
 
15h 41m 59.45s -30 43' 26.6" P.A. 304 sep 29.3 mag 9.48,10.65 Sp K2III
 
 
Coord 2000
15420-3043
Discov num
HJ 2789
Comp
AB
Coord arcsec 2000
15 41 59.45 -30 43 26.6
Date first
1831
Date last
1999
Obs
9
Pa first
318
Pa last
304
P.A. Now (θ)
304°
Sep first
25.0
Sep last
29.3
Sep. Now (ρ)
29.3"
Mag pri
9.48
Mag sec
10.65
delta mag (ΔM)
1.17
Spectral class
K2III (yellow-orange)
Pri motion ra
-007
Sec motion ra
-034
Pri motion dec
-010
Sec motion dec
-023
Notes
L (Linear solution)
rPM=0.73
Nature of this double is uncertain.
 
 
15420-3043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 206879 15420-3043 HJ 2789 AB 1831 1999 9 304 29.3 9.48 10.65 1.17 <===
Show 206879 15420-3043 DAW 211 BC 1919 1999 4 92 7.7 10.65 13.30 2.65
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.2
Precise sep
29.302
Constellation
Lupus
SAO
206879
Tycho2
7327-01503-1
HD
139927
last precise pa
303.4
last precise sep
29.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15420-3043 HJ 2789 AB 1998 8 304 29.4 9.48 10.65 K2III LD 154159.45-304326.6
15420-3043 HJ 2789 AB 1999 9 304 29.5 9.48 10.65 K2III LD 154159.45-304326.6

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