Coord 2000 | 16057-2150 | Discov num | LAF 104 | Comp | AD | Coord arcsec 2000 | 16 05 43.39 -21 50 19.6 | ||||
Date first | 2008 | Date last | 2008 | Obs | 1 | ||||||
Pa first | 106 | Pa last | 105.5 | P.A. Now (θ) | 105.5° | ||||||
Sep first | 3.9 | Sep last | 3.868 | Sep. Now (ρ) | 3.868" | ||||||
Mag pri | 7.14 | Mag sec | 17.98 | delta mag (ΔM) | 10.84 | Spectral class | A0V (white) | ||||
Pri motion ra | -018 | Sec motion ra | |||||||||
Pri motion dec | -034 | Sec motion dec | |||||||||
Notes | U K (Proper motion indicates non-physical, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 144254 | 184106 | 16 05 43 -21 50 20 | KOU 49 AB | 2015 | 5 | 164 | 9.0 | 7.14 | 10.86 | 3.72 | ||
Show | 184106 | 16 05 43 -21 50 20 | LAF 104 AC | 2008 | 1 | 329 | 0.1 | 7.14 | 9.18 | 2.04 | |||
Show | 184106 | 16 05 43 -21 50 20 | LAF 104 AD | 2008 | 1 | 106 | 3.9 | 7.14 | 17.98 | 10.84 | <=== | ||
Show | 184106 | 16 05 43 -21 50 20 | LAF 104 AE | 2015 | 3 | 224 | 10.8 | 7.14 | 16.73 | 9.59 | |||
Show | 184106 | 16 05 43 -21 50 20 | LAF 104 AF | 2015 | 2 | 224 | 10.8 | 7.14 | 16.18 | 9.04 |
Constellation | Scorpius | SAO | 184106 | HIP | 78847 | Tycho2 | 6212-00914-1 | ||||
Gaia DR2 | 6243323448279638528 | HD | 144254 | BD | BD-21 4269 | Distance | 162.34 | ||||
Distance ly | 529.55 |
refcode | metd | author | reference |
Kou2005 | A - | Kouwenhoven, M.B.N., Brown, A.G., Zinnecker, H., Kaper, L., & Portegies Zwart, S. | 2005A&A...430..137K |
Kou2005 | A&A 430, 137, 2005 | ||
Laf2007 | A j | Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F., | 2007ApJ...670.1367L |
Laf2007 | +C | Rigaut, F., Graham, J.R., et al. | |
Laf2007 | ApJ 670, 1367, 2007 | ||
Laf2008 | A j | Lafreniere, D., Jayawardhana, R., Brandeker, A., Ahmic, M., & van Kerkwijk, M.H. | 2008ApJ...683..844L |
Laf2008 | +Hp | ApJ 683, 844, 2008 | |
Laf2008b | A j | Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H. | 2008ApJ...689L.153L |
Laf2008b | ApJ 689, L153, 2008 | ||
Laf2009 | Hn u | Lafreniere, D., Marois, C., Doyon, R., & Barman, T. | 2009ApJ...694L.148L |
Laf2009 | ApJ 694, L148, 2009 | ||
Laf2010 | A u | Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H. | 2010ApJ...719..497L |
Laf2010 | ApJ 719, 497, 2010 | ||
Laf2011 | A u | Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., & | 2011ApJ...730...42L |
Laf2011 | Hauschildt, P. | ||
Laf2011 | ApJ 730, 42, 2011 | ||
Laf2011 | (photometry of both components based on 2MASS PSC plus their contrast measures) | ||
Laf2014 | A j | Lafreniere, D., Jayawardhana, R., van Kerkwijk, M.H., Brandeker, A., & Janson, M. | 2014ApJ...785...47L |
Laf2014 | +Al | ApJ 785, 47, 2014 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
16057-2150 | LAF 104 | AD | 2008 | 1 | 106 | 3.9 | 7.14 | 17.98 | A0V | U K | 160543.39-215019.6 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | B | C | D | E | |
B | pa=165.4° sep=8.93" | ||||
C | pa=330.9° sep=0.13" | pa=345.2° sep=9.05" | |||
D | pa=106.6° sep=3.61" | pa=9.0° sep=7.70" | pa=108.0° sep=3.70" | ||
E | pa=221.6° sep=10.46" | pa=275.1° sep=9.23" | pa=220.9° sep=10.50" | pa=236.9° sep=12.42" | |
F | pa=221.6° sep=10.46" | pa=275.1° sep=9.23" | pa=220.9° sep=10.50" | pa=236.9° sep=12.42" | pa=0.0° sep=0.00" |
Name | HD 144254 | Coord arcsec 2000 | 160543.39-215019.6 | Mag | 7.14 | Spectral class | A0V (white) | ||||
PmRA | -18.00 | PmDE | -34.0 | SAO | 184106 | HIP | 78847 | ||||
Tycho2 | 6212-00914-1 | HD | 144254 | BD | BD-21 4269 |
Tycho2 | 6212-00914-1 | Pflag | RAmdeg | 241.43080310 | DEmdeg | -21.83880535 | |||||
PmRA | -9.6 | PmDE | -23.5 | E RAmdeg | 5 | E DEmdeg | 6 | ||||
E pmRA | 0.9 | E pmDE | 0.9 | EpRAm | 1991.08 | EpDEm | 1990.59 | ||||
Num | 17 | Q RAmdeg | 0.6 | Q DEmdeg | 0.5 | Q pmRA | 0.7 | ||||
Q pmDE | 0.6 | BTmag | 8.004 | E BTmag | 0.017 | VTmag | 7.807 | ||||
E VTmag | 0.012 | Prox | 999 | TYC | T | HIP | 78847 | ||||
CCDM | RAdeg | 241.43082722 | DEdeg | -21.83874972 | EpRA 1990 | 1.73 | |||||
EpDE 1990 | 1.49 | E RAdeg | 5.3 | E DEdeg | 6.1 | Posflg | |||||
Corr | -0.1 |
SAO | 184106 | DelFlag | RA1950 | PmRA1950 | -0.0005 | ||||||
DE1950 | PmDE1950 | -0.025 | Vmag | 8 | SpType | A0 | |||||
Double code | Source | 23 | CatNum | 6643 | DM | BD-21 4269 | |||||
DMcomp | BDsup | HD | 144254 | M HD | 0 | ||||||
GC | RA1950rad | 4.20088446 | DE1950rad | -0.37880206 | PmRA2000 | -0.0005 | |||||
PmDE2000 | -0.022 |
Catalog | H | HIP | 78847 | Proxy | RAhms | 16 05 43.40 | |||||
DEdms | -21 50 19.5 | Vmag | 7.79 | VarFlag | R Vmag | H | |||||
RAdeg | 241.431 | DEdeg | -21.8387 | AstroRef | Plx | 6.93 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 144254 | BD | BD-21 4269 | ||||||
CD | CP | Dm number | -21 4269 | VIred | 0.26 | ||||||
SpType | A0V | R SpType | Coord arcsec 2000 | 160543.40-215019.5 |
HIP | 78847 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 4.2137628302 | DErad | -0.3811580413 | Plx | 6.16 | PmRA | -10.48 | ||||
PmDE | -22.65 | E RArad | 0.78 | E DErad | 0.51 | E Plx | 0.79 | ||||
E pmRA | 0.98 | E pmDE | 0.69 | Hpmag | 7.8433 | E Hpmag | 0.0013 | ||||
SHp | 0.01 | VA | 0 | BV | 0.173 | E BV | 0.015 | ||||
VI | 0.19 |
Coord arcsec 2000 | 160543.55-215028.2 | Mag | 10.86 | Calc delta mag | 3.72 | Calc coord | yes |
Coord arcsec 2000 | 160543.39-215019.5 | Mag | 9.18 | Calc delta mag | 2.04 | Calc coord | yes |
Coord arcsec 2000 | 160543.64-215020.6 | Mag | 17.98 | Calc delta mag | 10.84 | Calc coord | yes |
Coord arcsec 2000 | 160542.89-215027.4 | Mag | 16.73 | Calc delta mag | 9.59 | Calc coord | yes |
Coord arcsec 2000 | 160542.89-215027.4 | Mag | 16.18 | Calc delta mag | 9.04 | Calc coord | yes |