| Coord 2000 | 03423+3141 | Discov num | COU 691 | Comp | Coord arcsec 2000 | 03 42 15.91 +31 40 34.5 | |||||
| Date first | 1972 | Date last | 2014 | Obs | 27 | ||||||
| Pa first | 48 | Pa last | 269.5 | P.A. Now (θ) | 46.3° | ||||||
| Sep first | 0.1 | Sep last | 0.147 | Sep. Now (ρ) | 0.112" | ||||||
| Mag pri | 9.00 | Mag sec | 9.00 | delta mag (ΔM) | 0 | Spectral class | F8 (yellow-white) | ||||
| Pri motion ra | +024 | Sec motion ra | |||||||||
| Pri motion dec | -036 | Sec motion dec | |||||||||
| Notes | N O (See Notes, Orbital solution) | ||||||||||
| Constellation | Perseus | SAO | 56645 | Gaia DR2 | 216568193983095424 |
| Period (P) | 55.88y | Periastron (T) | 1961.93y | Semi-major axis (a) | 0.155a | |||
| Eccentricity (e) | 0.141 | Inclination (i) | 66.2° | Longitude of periastron (ω) | 258.2° | |||
| Node (Ω) | 66.5° | Notes | n | Reference | Doc2010d | |||
| Equinox | 2000 | Last observation | 2007 | 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. ![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
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| discov_num | notes | refcode |
| COU 691 | A premature orbit has been computed. |
| refcode | metd | author | reference |
| Doc2010d | orb - | Docobo, J.A. & Ling, J.F. | 2010IAUDS.171Q...1D |
| Doc2010d | Inf. Circ. 171, 1, 2010 |
| discov | author |
| COU | Couteau, P. |
| DOC | Docobo, J.A., Andrade, M., Ling, J.F., Prieto, C., Tamazian, V.S., Balega, Yu.Yu., |
| DOC | Blanco, J., Maximov, A.F., et al. |
| DOC | Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y., |
| DOC | Lahulla, J.F., & Maximov, A. |
| DOC | Docobo, J.A., Tamazian, V.S., Balega, Y.Y., Andrade, M., Schertl, D., Weigelt, G., |
| DOC | Campo, P., & Palacios, M. |
| DOC | Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y., |
| DOC | Lahulla, J.F., & Maximov, A. |
| DOC | Highlights of Spanish Astrophysics V, Ap&SS Proc. (Springer-Verlag, Berlin), |
| DOC | p 491, 2010 (no data) |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 03423+3141 | COU 691 | 1999 | 24 | 33 | 0.1 | 9.00 | 9.00 | F8 | +31 637 | NO | 034215.90+314049.5 | |
| 03423+3141 | COU 691 | 2007 | 25 | 66 | 0.1 | 9.00 | 9.00 | F8 | +31 637 | NO | 034215.90+314049.5 | |
| 03423+3141 | COU 691 | 2014 | 27 | 270 | 0.1 | 9.00 | 9.00 | F8 | +31 637 | NO | 034215.91+314034.5 |
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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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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=269.5° sep=0.15" |
| Coord arcsec 2000 | 034215.91+314034.5 | Mag | 9 | Spectral class | F8 (yellow-white) | PmRA | 24.00 | ||||
| PmDE | -36.0 | SAO | 56645 | DM | BD+31 637 |
| SAO | 56645 | DelFlag | RA1950 | PmRA1950 | 0.0003 | ||||||
| DE1950 | PmDE1950 | -0.033 | Vmag | 8.5 | SpType | ||||||
| Double code | Source | 6 | CatNum | 352 | DM | BD+31 637 | |||||
| DMcomp | BDsup | HD | M HD | ||||||||
| GC | RA1950rad | 0.95617162 | DE1950rad | 0.55008873 | PmRA2000 | 0.0003 | |||||
| PmDE2000 | -0.035 |
| Ccdm | 03423+3141 | RComp | Comp | A | Note1 | ||||||
| Note2 | Discov num | DRAs | -2.08 | DDEs | -25.5 | ||||||
| R dRAs | 10 | Year | Theta | Rho | |||||||
| Obs | 2 | Vmag | 9.0 | Sp | PmNote | * | |||||
| PmRA | 27 | PmDE | -30 | Dm number | +31 637 | Cat1 | BD | ||||
| Name2 | +31 352 | Cat2 | AGK2/3 | HD | M HD | ||||||
| ADS BDS | M ADS BDS | N IDS | IDS | 03360N3121A | |||||||
| HIC |
| Coord arcsec 2000 | 034215.90+314034.5 | Mag | 9 | Coordinate calculated | yes |
| Ccdm | 03423+3141 | RComp | Comp | B | Note1 | ||||||
| Note2 | Discov num | COU 691 | DRAs | DDEs | |||||||
| R dRAs | Year | 1972 | Theta | 48 | Rho | 0.1 | |||||
| Obs | 1 | Vmag | 9.0 | Sp | PmNote | ||||||
| PmRA | PmDE | Dm number | Cat1 | ||||||||
| Name2 | Cat2 | HD | M HD | ||||||||
| ADS BDS | M ADS BDS | N IDS | IDS | 03360N3121B | |||||||
| HIC |