Coord 2000 | 08090+3249 | Discov num | BDT 2 | Comp | Aa,Ab | Coord arcsec 2000 | 08 08 56.39 +32 49 11.4 | ||||
Date first | 2001 | Date last | 2019 | Obs | 9 | ||||||
Pa first | 51 | Pa last | 69.6 | P.A. Now (θ) | 110.4° | ||||||
Sep first | 0.2 | Sep last | 0.207 | Sep. Now (ρ) | 0.219" | ||||||
Mag pri | 6.70 | Mag sec | 8.70 | delta mag (ΔM) | 2 | Spectral class | M0.5 (red) | ||||
Pri motion ra | -044 | Sec motion ra | |||||||||
Pri motion dec | -191 | Sec motion dec | |||||||||
Notes | N O K (See Notes, Orbital solution, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 08 08 56 +32 49 11 | BDT 2 Aa,Ab | 2019 | 9 | 70 | 0.2 | 6.70 | 8.70 | 2.00 | Y | <=== | ||
Show | FP Cnc | 08 08 56 +32 49 11 | DYR 1 AB | 2019 | 27 | 240 | 13.9 | 10.13 | 10.80 | 0.67 | |||
Show | 08 08 56 +32 49 11 | DYR 1 AC | 1991 | 3 | 292 | 11.2 | 10.13 | 13.40 | 3.27 |
Var name | FP Cnc | Constellation | Cancer | HIP | 39896 | Tycho2 | 2473-01174-1 | ||||
Gaia DR2 | 902175202130167936 | GL | GJ 1108A | BD | BD+33 1646 | Distance | 21.27 | ||||
Distance ly | 69.38 |
Period (P) | 8.24y | ± 0.03 | Periastron (T) | 54703.85d (2008.65y) | ± 10.04 | Semi-major axis (a) | 166m | ± 1 |
Eccentricity (e) | 0.63 | ± 0.01 | Inclination (i) | 42.47° | ± 1.32 | Longitude of periastron (ω) | 347.45° | ± 2.6 |
Node (Ω) | 278.22° | ± 1.77 | Notes | Reference | Miz2018 | |||
Equinox | 2000 | Last observation | 2015 | Grade | 3 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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discov_num | notes | refcode |
BDT 2 | Aa,Ab : Combined solution yield Ma = 0.72 +/- 0.04 \msun, | Miz2018 |
Mb = 0.30 +/- 0.03, distance of 24.83 +/- 0.22 pc, Age = 42 +/- 6/5 | ||
Myr, and Teff = 4100 +/- 200/400. | ||
DYR 1 | AB: VYS 250. A is a flare star, and B is a double-lined spectroscopic | |
binary, P = 6.21d. |
refcode | metd | author | reference |
Miz2018 | A j | Mizuki, T., Kuzuhara, M., Mede, K. et al. | 2018ApJ...865..152M |
Miz2018 | +orb | ApJ 865, 152, 2018 |
idgroup | discov | author |
1 | BDT | Brandt, T.D., Kuzuhara, M., McElwain, M.W., Schlieder, J.E., Wisniewski, J.P., |
1 | BDT | Turner, E.L., Carson, J., Matsuo, T., Biller, B., Monnefoy, M., Dressing, C., |
1 | BDT | Janson, M., et al. |
2 | BDT | Brandt, T.D., McElwain, M.W., Turner, E.L., Mede, K., Spiegel, D.S., Kuzuhara, M., |
2 | BDT | Schlieder, J., Wisniewski, J., Abe, L., Biller, B., Brandner,W., Carson,J., et al. |
3 | BDT | Brandt, T.D., Dupuy, T.J., Bowler, B.P., Bardalez Gagliuffi, D.C., Faherty, J., |
3 | BDT | Mirek Brandt, G. & Michalik,D. |
6 | BDT | Brandt, G.M., Dupuy, T.J., Li, Y., Chen, M., Brandt, T.D., Wong, T.L.S., Currie, |
6 | BDT | T., Bowler, B.P., Liu, M.C., Best, W.M.J. & Phillips, M.W. |
7 | BDT | Li, Y., Brandt, T., Jensen-Clem, R., Brandt, M., Mawet, D., Faherty, J., Bowler, |
7 | BDT | B., Franson, K., Bowens-Rubin, R., Martinez, E.C., Fitzgerald, M., Mazin, B., |
7 | BDT | Chen, M., Dupuy, T. & Millar-Blanchaear, M. |
8 | DYR | Dyer, E.R., Jr. (from additional DD list) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
08090+3249 | BDT 2 | Aa,Ab | 2011 | 1 | 81 | 0.3 | 6.70 | 8.70 | M0.5 | N K | 080856.39+324911.4 |
08090+3249 | BDT 2 | Aa,Ab | 2015 | 7 | 142 | 0.1 | 6.70 | 8.70 | M0.5 | NO K | 080856.39+324911.4 |
08090+3249 | BDT 2 | Aa,Ab | 2019 | 9 | 70 | 0.2 | 6.70 | 8.70 | M0.5 | NO K | 080856.39+324911.4 |
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. |
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A | Ab | B | |
Ab | pa=66.1° sep=0.18" | ||
B | pa=235.3° sep=12.29" | pa=235.4° sep=12.47" | |
C | pa=296.1° sep=9.71" | pa=295.3° sep=9.83" | pa=7.0° sep=11.36" |
Name | FP Cnc | Coord arcsec 2000 | 080856.39+324911.4 | Mag | 10.13 | Spectral class | M0.5 (red) | ||||
PmRA | -44.00 | PmDE | -191.0 | HIP | 39896 | Tycho2 | 2473-01174-1 | ||||
BD | BD+33 1646 |
Tycho2 | 2473-01174-1 | Pflag | RAmdeg | 122.23494965 | DEmdeg | 32.81983705 | |||||
PmRA | -42.1 | PmDE | -189.3 | E RAmdeg | 28 | E DEmdeg | 34 | ||||
E pmRA | 2.2 | E pmDE | 2.2 | EpRAm | 1988.72 | EpDEm | 1988.44 | ||||
Num | 5 | Q RAmdeg | 2.0 | Q DEmdeg | 1.1 | Q pmRA | 2.0 | ||||
Q pmDE | 1.1 | BTmag | 11.649 | E BTmag | 0.087 | VTmag | 10.130 | ||||
E VTmag | 0.038 | Prox | 112 | TYC | T | HIP | 39896 | ||||
CCDM | A | RAdeg | 122.23507278 | DEdeg | 32.82027389 | EpRA 1990 | 1.80 | ||||
EpDE 1990 | 1.68 | E RAdeg | 29.6 | E DEdeg | 34.9 | Posflg | |||||
Corr | 0.2 |
Catalog | H | HIP | 39896 | Proxy | RAhms | 08 08 56.42 | |||||
DEdms | +32 49 13.1 | Vmag | 9.9 | VarFlag | 2 | R Vmag | G | ||||
RAdeg | 122.235 | DEdeg | 32.8203 | AstroRef | A | Plx | 48.26 | ||||
CCDM | 08089+3249 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | B | M HIP | AB | |||||
Theta | 292 | Rho | 11.253 | HD | BD | BD+33 1646 | |||||
CD | CP | Dm number | +33 1646 | VIred | 1.67 | ||||||
SpType | M0.5V:e | R SpType | Coord arcsec 2000 | 080856.42+324913.1 |
HIP | 39896 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 2.1334048221 | DErad | 0.5728222535 | Plx | 47.01 | PmRA | -18.65 | ||||
PmDE | -220.73 | E RArad | 4.19 | E DErad | 3.3 | E Plx | 4.66 | ||||
E pmRA | 5.71 | E pmDE | 4.01 | Hpmag | 10.0426 | E Hpmag | 0.0269 | ||||
SHp | 0.049 | VA | 2 | BV | 1.4 | E BV | 0.02 | ||||
VI | 1.67 |
Coord arcsec 2000 | 080856.40+324911.5 | Mag | 8.7 | Calc delta mag | 2 | Calc coord | yes |
Coord arcsec 2000 | 080855.59+324904.4 | Mag | 10.8 | Spectral class | M3 (red) | Calc delta mag | 4.1 | ||||
Calc coord | yes |
Coord arcsec 2000 | 080855.70+324915.7 | Mag | 13.4 | Spectral class | M3 (red) | PmRA | -30.00 | ||||
PmDE | -217.0 | Calc delta mag | 6.7 | Calc coord | yes |