Coord 2000 | 04247+0442 | Discov num | HJL1115 | Comp | AB | Coord arcsec 2000 | 04 24 43.17 +04 41 59.8 | ||||
Date first | 2014 | Date last | 2015 | Obs | 6 | ||||||
Pa first | 134 | Pa last | 153 | P.A. Now (θ) | 153° | ||||||
Sep first | 0.0 | Sep last | 0.017 | Sep. Now (ρ) | 0.017" | ||||||
Mag pri | 7.60 | Mag sec | 8.60 | delta mag (ΔM) | 1 | Spectral class | G8V (yellow) | ||||
Pri motion ra | +098 | Sec motion ra | |||||||||
Pri motion dec | -002 | Sec motion dec | |||||||||
Notes | N O W K (See Notes, Orbital solution, , K-band or other infrared magnitudes) |
Name | HD 27935 | Constellation | Taurus | SAO | 111800 | HIP | 20601 | ||||
Tycho2 | 0078-01147-1 | HD | 27935 | BD | BD+04 686 | Distance | 65.79 | ||||
Distance ly | 214.61 |
Period (P) | 156.380534d | ± 0.000094 | Periastron (T) | 56636.67052d (2013.942y) | ± 0.00046 | Semi-major axis (a) | 11.338m | ± 0.022 |
Eccentricity (e) | 0.851282 | ± 0.000031 | Inclination (i) | 103.133° | ± 0.072 | Longitude of periastron (ω) | 21.983° | ± 0.015 |
Node (Ω) | 340.513° | ± 0.055 | Notes | n | Reference | HJL2020 | ||
Equinox | Last observation | Grade | 3 | (1=Definitive, 9=Indet.) |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
discov_num | notes | refcode |
HJL1115 | Hyades vB 140. The 156.4-day SB of Griffin et al. (1985) is outside | Grf1985b |
our detection window. | Msn1993a | |
A combined interferometric/spectroscopic solution by Halbwachs et al. | ||
(2016) yields masses 0.9808 +/- 0.0040 and 0.7269 +/- 0.0019 Msun. | HJL2016 | |
Mass = 0.9798 +/- 0.0019, 0.72697 +/- 0.00094 \msun for A and B. | HJL2020 | |
orbital parallax = 16.703 +/- 0.034 mas. | ||
HJL1115 | A combined interferometric/spectroscopic solution by Halbwachs et al. | |
(2016) yields masses 0.9808 +/- 0.0040 and 0.7269 +/- 0.0019 Msun. | HJL2016 |
refcode | metd | author | reference |
Grf1985b | not - | Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A. | 1985AJ.....90..609G |
Grf1985b | AJ 90, 609, 1985 | ||
HJL2016 | Kv j | Halbwachs, J.L., Boffin, H.M.J., Le Bouquin, J.-B., Kiefer, F., Famaey, B., | 2016MNRAS.455.3303H |
HJL2016 | Salomon, J.-B., Arenou, F., Pourbaix, D., Anthonioz, F., Grellmann, R., Guieu, S., | ||
HJL2016 | Sana, H., et al. | ||
HJL2016 | MNRAS 455, 3303, 2016 | ||
HJL2020 | Kv+ j | Halbwachs, J.-L., Kiefer, F., Lebreton, Y., Boffin, H.M.J., Arenou, F., LeBouquin, | 2020MNRAS.496.1355H |
HJL2020 | +orb | J.-B., Famaey, B., Dourbaix, D., Guillout, P., Salomon, J.-B. & Mazeh, T. | |
HJL2020 | MNRAS 496, 1355, 2020 | ||
Msn1993a | Sc j | Mason, B.D., McAlister, H.A., Hartkopf, W.I., & Bagnuolo, W.G. | 1993AJ....105..220M |
Msn1993a | AJ 105, 220, 1993 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
04247+0442 | HJL1115 | AB | 2015 | 6 | 153 | 0.0 | 7.60 | 8.60 | G8V | NOWK | 042443.17+044159.8 |
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 | pa=153.1° sep=0.02" |
Name | HD 27935 | Coord arcsec 2000 | 042443.17+044159.8 | Mag | 7.6 | Spectral class | G8V (yellow) | ||||
PmRA | 98.00 | PmDE | -2.0 | SAO | 111800 | HIP | 20601 | ||||
HD | 27935 | BD | BD+04 686 |
SAO | 111800 | DelFlag | RA1950 | PmRA1950 | 0.0062 | ||||||
DE1950 | PmDE1950 | 0.004 | Vmag | 8.8 | SpType | G5 | |||||
Double code | Source | 30 | CatNum | 1294 | DM | BD+04 686 | |||||
DMcomp | BDsup | HD | 27935 | M HD | 0 | ||||||
GC | RA1950rad | 1.1434966 | DE1950rad | 0.08004013 | PmRA2000 | 0.0064 | |||||
PmDE2000 | 0.001 |
Catalog | H | HIP | 20601 | Proxy | RAhms | 04 24 43.17 | |||||
DEdms | +04 41 59.8 | Vmag | 8.93 | VarFlag | R Vmag | G | |||||
RAdeg | 66.1799 | DEdeg | 4.69995 | AstroRef | Plx | 14.97 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 27935 | BD | BD+04 686 | ||||||
CD | CP | Dm number | +04 686 | VIred | 0.8 | ||||||
SpType | G5 | R SpType | Coord arcsec 2000 | 042443.17+044159.8 |
HIP | 20601 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 1.1550565399 | DErad | 0.0820295754 | Plx | 15.2 | PmRA | 98 | ||||
PmDE | -2.47 | E RArad | 1.19 | E DErad | 0.79 | E Plx | 1.35 | ||||
E pmRA | 1.14 | E pmDE | 0.96 | Hpmag | 9.0628 | E Hpmag | 0.0031 | ||||
SHp | 0.017 | VA | 0 | BV | 0.758 | E BV | 0 | ||||
VI | 0.8 |
Coord arcsec 2000 | 042443.17+044159.8 | Mag | 8.6 | Tycho2 | 0078-01147-1 | Calc delta mag | 1 | ||||
Calc coord | yes |
Tycho2 | 0078-01147-1 | Pflag | RAmdeg | 66.18009741 | DEmdeg | 4.69995373 | |||||
PmRA | 98.4 | PmDE | 1.1 | E RAmdeg | 14 | E DEmdeg | 14 | ||||
E pmRA | 1.4 | E pmDE | 1.3 | EpRAm | 1988.91 | EpDEm | 1988.60 | ||||
Num | 10 | Q RAmdeg | 1.1 | Q DEmdeg | 0.7 | Q pmRA | 1.1 | ||||
Q pmDE | 0.7 | BTmag | 9.936 | E BTmag | 0.032 | VTmag | 9.033 | ||||
E VTmag | 0.022 | Prox | 999 | TYC | T | HIP | 20601 | ||||
CCDM | RAdeg | 66.17987111 | DEdeg | 4.69994917 | EpRA 1990 | 1.64 | |||||
EpDE 1990 | 1.64 | E RAdeg | 15.0 | E DEdeg | 15.5 | Posflg | |||||
Corr | 0.0 |