05544+1854 STF 813

 
 
05h 54m 22.37s +18 54' 01.6" P.A. 150 sep 3.1 mag 8.82,8.97 Sp A0 dist. 149.25 pc (486.85 l.y.)
 
 
Coord 2000
05544+1854
Discov num
STF 813
Comp
Coord arcsec 2000
05 54 22.37 +18 54 01.6
Date first
1830
Date last
2019
Obs
71
Pa first
146
Pa last
150
P.A. Now (θ)
150°
Sep first
2.0
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
8.82
Mag sec
8.97
delta mag (ΔM)
0.15
Spectral class
A0 (white)
Pri motion ra
-008
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-014
Notes
rPM=0.676
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.8
Precise sep
3.084
Constellation
Orion
HIP
27911
Tycho2
1320-01498-1
Gaia DR2
41612207744
HD
39588
BD
BD+18 1010
Distance
149.25
Distance ly
486.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05544+1854 STF 813 2006 61 149 3.0 8.82 8.97 A0 D 055422.37+185401.6
05544+1854 STF 813 2007 62 149 3.0 8.82 8.97 A0 D 055422.37+185401.6
05544+1854 STF 813 2008 64 149 3.0 8.82 8.97 A0 D 055422.37+185401.6
05544+1854 STF 813 2012 68 150 3.0 8.82 8.97 A0 D 055422.37+185401.6
05544+1854 STF 813 2015 69 150 3.0 8.82 8.97 A0 055422.37+185401.6
05544+1854 STF 813 2018 70 151 3.0 8.82 8.97 A0 055422.37+185401.6

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