Coord 2000 | 12313+5507 | Discov num | BAG 50 | Comp | Coord arcsec 2000 | 12 31 18.92 +55 07 07.6 | |||||
Date first | 2002 | Date last | 2019 | Obs | 29 | ||||||
Pa first | 320 | Pa last | 255 | P.A. Now (θ) | 255° | ||||||
Sep first | 0.7 | Sep last | 0.079 | Sep. Now (ρ) | 0.079" | ||||||
Mag pri | 8.20 | Mag sec | 10.60 | delta mag (ΔM) | 2.4 | Spectral class | K2V+K6.5V (yellow-orange/yellow-orange) | ||||
Pri motion ra | +107 | Sec motion ra | |||||||||
Pri motion dec | -001 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Var name | NO UMa | Constellation | Ursa Major | SAO | 28414 | HIP | 61100 | ||||
Tycho2 | 3844-00102-1 | Gaia DR2 | 1571145907856592768 | HD | 109011 | GL | GJ 1160 | ||||
BD | BD+55 1536 | Distance | 25.1 | Distance ly | 81.88 |
Period (P) | 3.514y | ± 0.002 | Periastron (T) | 2013.55y | ± 0.003 | Semi-major axis (a) | 102.3m | ± 0.5 |
Eccentricity (e) | 0.507 | ± 0.003 | Inclination (i) | 58.6° | ± 0.3 | Longitude of periastron (ω) | 244.5° | ± 0.4 |
Node (Ω) | 177.6° | ± 0.4 | Notes | n | Reference | Mit2020 | ||
Equinox | Last observation | Grade | 4 | (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 |
BAG 50 | GJ 1160. Primary is the variable NO UMa. | Bag2013 |
Arenou (2000) gives combined solution of astrometric orbits and DSBs. | Are2000 | |
Paper includes masses and distances. | ||
Schlieder et al. (2016) derive the following properties for A and B: | ||
spectral types K2V +/- 0.5 K6.5V +/- 0.5 | ||
masses (Msun) 0.83 +/- 0.03 0.65 +/- 0.02 | ||
Teff (K) 5020 +/- 50 4150 +/- 30 | ||
log (L/Lsun) -0.48 +/- 0.03 -0.96 +/- 0.03. | SJE2016 | |
Improved resolved SB2 orbit for this pair. | Kie2018 | |
A: Teff = 5105 +/- 21 K, M = 0.834 +/- 0.017 \msun. | ||
B: Teff = 4175 +/- 35 K, M = 0.640 +/- 0.011 \msun. | ||
Orbital parallax = 38.82 +/- 0.23 mas. | ||
Age = 0.4 Gyr. |
refcode | metd | author | reference |
Are2000 | orb - | Arenou, F., Halbwachs, J.-L., Mayor, M., & Udry, S. | 2000IAUS..200P.135A |
Are2000 | IAU Symp. 200, 135, 2000 | ||
Bag2013 | S j | Balega, I.I., Balega, Yu.Yu., Gasanova, L.T., Dyachenko, V.V., Maksimov, A.F., | 2013AstBu..68...53B |
Bag2013 | Malogolovets, E.V., Rastegaev, D.A., & Shkhagosheva, Z.U. | ||
Bag2013 | Astrophys. Bull. 68, 53, 2013 | ||
Kie2018 | orb - | Kiefer, F., Halbwachs, J.-L., Lebreton, Y., Soubiran, C., Arenou, F., Pourbaix, D., | 2018MNRAS.474..731K |
Kie2018 | +not | Famaey, B., Guillout, P., Ibata, R. & Mazeh, T. | |
Kie2018 | MNRAS 474, 731, 2018 | ||
Mit2020 | S - | Mitrofanova, A., Dyachenko, V., Beskakotov, A., Balega, Y., Maksimov, A., | 2020AJ....159..266M |
Mit2020 | Rastegaev, D. & Komarinsky, S. | ||
Mit2020 | AJ 159, 266, 2020 | ||
SJE2016 | A j | Schlieder, J.E., Skemer, A., Maire, A.-L., Desidera, S., Hinz, P., | 2016ApJ...818....1S |
SJE2016 | +C | Skrutskie, M.F., Leisenring, J., Bailey, V., Defrere, D., Esposito, S., | |
SJE2016 | Es | Strassmeier, K.G., Weber, M., et al. | |
SJE2016 | +orb | ApJ 818, 1, 2016 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
12313+5507 | BAG 50 | 2006 | 8 | 5 | 0.1 | 8.21 | K2V | N | 123118.92+550707.6 | ||
12313+5507 | BAG 50 | 2013 | 12 | 172 | 0.1 | 8.21 | K2V | NO | 123118.92+550707.6 | ||
12313+5507 | BAG 50 | 2019 | 28 | 255 | 0.1 | 8.20 | 10.60 | K2V+K6.5V | NO | 123118.92+550707.6 |
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. |
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A | |
B | pa=244.9° sep=0.05" |
Componente originario normalizzato | AB | Name | NO UMa | Coord arcsec 2000 | 123118.92+550707.6 | Mag | 8.2 | ||||
Spectral class | K2V (yellow-orange) | PmRA | 107.00 | PmDE | -1.0 | SAO | 28414 | ||||
HIP | 61100 | Tycho2 | 3844-00102-1 | HD | 109011 | BD | BD+55 1536 |
Tycho2 | 3844-00102-1 | Pflag | RAmdeg | 187.82884346 | DEmdeg | 55.11884333 | |||||
PmRA | 107.8 | PmDE | -0.5 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 1.2 | E pmDE | 1.4 | EpRAm | 1990.98 | EpDEm | 1991.28 | ||||
Num | 13 | Q RAmdeg | 0.5 | Q DEmdeg | 1.0 | Q pmRA | 0.5 | ||||
Q pmDE | 1.0 | BTmag | 9.293 | E BTmag | 0.017 | VTmag | 8.211 | ||||
E VTmag | 0.011 | Prox | 999 | TYC | T | HIP | 61100 | ||||
CCDM | RAdeg | 187.82840528 | DEdeg | 55.11884472 | EpRA 1990 | 1.64 | |||||
EpDE 1990 | 1.60 | E RAdeg | 5.5 | E DEdeg | 5.4 | Posflg | |||||
Corr | -0.2 |
SAO | 28414 | DelFlag | RA1950 | PmRA1950 | 0.0121 | ||||||
DE1950 | PmDE1950 | 0 | Vmag | 8.3 | SpType | K0 | |||||
Double code | Source | 38 | CatNum | 7191 | DM | BD+55 1536 | |||||
DMcomp | BDsup | HD | 109011 | M HD | 0 | ||||||
GC | RA1950rad | 3.26792104 | DE1950rad | 0.96682094 | PmRA2000 | 0.0123 | |||||
PmDE2000 | 0.005 |
Catalog | H | HIP | 61100 | Proxy | RAhms | 12 31 18.81 | |||||
DEdms | +55 07 07.8 | Vmag | 8.08 | VarFlag | R Vmag | H | |||||
RAdeg | 187.828 | DEdeg | 55.1188 | AstroRef | Plx | 42.13 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | X | Source | Qual | M HIP | |||||||
Theta | Rho | HD | 109011 | BD | BD+55 1536 | ||||||
CD | CP | Dm number | +55 1536 | VIred | 0.93 | ||||||
SpType | K2V | R SpType | Coord arcsec 2000 | 123118.81+550707.8 |
HIP | 61100 | Sn | 1 | So | 2 | Nc | 1 | ||||
RArad | 3.2782238498 | DErad | 0.962005297 | Plx | 39.84 | PmRA | 102.71 | ||||
PmDE | -25.22 | E RArad | 0.74 | E DErad | 0.77 | E Plx | 1.07 | ||||
E pmRA | 0.87 | E pmDE | 0.97 | Hpmag | 8.2267 | E Hpmag | 0.0013 | ||||
SHp | 0.015 | VA | 0 | BV | 0.941 | E BV | 0.001 | ||||
VI | 0.93 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 123118.91+550707.6 | Mag | 10.6 | Spectral class | K6.5V (yellow-orange) | ||||
Calc delta mag | 2.4 | Calc coord | yes |