| Coord 2000 | 18083+2941 | Discov num | YSC 65 | Comp | Aa,Ac | Coord arcsec 2000 | 18 08 16.03 +29 41 28.1 | ||||
| Date first | 2007 | Date last | 2007 | Obs | 2 | ||||||
| Pa first | 242 | Pa last | 245.6 | P.A. Now (θ) | 245.6° | ||||||
| Sep first | 0.1 | Sep last | 0.116 | Sep. Now (ρ) | 0.116" | ||||||
| Mag pri | 7.80 | Mag sec | 10.80 | delta mag (ΔM) | 3 | Spectral class | G5 (yellow) | ||||
| Pri motion ra | +138 | Sec motion ra | |||||||||
| Pri motion dec | -019 | Sec motion dec | |||||||||
| Notes | N (See Notes) | ||||||||||
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 18 08 16 +29 41 28 | LAF 60 Aa,Ab | 2019 | 4 | 251 | 0.1 | 7.80 | 11.00 | 3.20 | ||||
| Show | 18 08 16 +29 41 28 | YSC 65 Aa,Ac | 2007 | 2 | 246 | 0.1 | 7.80 | 10.80 | 3.00 | <=== | |||
| Show | 18 08 16 +29 41 28 | LAF 60 AB | 2005 | 1 | 53 | 10.4 | 5.80 | 20.10 | 14.30 | ||||
| Show | 18 08 16 +29 41 28 | LAF 60 AC | 2005 | 1 | 196 | 11.2 | 5.80 | 20.80 | 15.00 | ||||
| Show | 18 08 16 +29 41 28 | LAF 60 AD | 2005 | 1 | 168 | 13.4 | 5.80 | 20.00 | 14.20 | ||||
| Show | 18 08 16 +29 41 28 | LAF 60 AE | 2015 | 5 | 262 | 16.3 | 5.80 | 17.70 | 11.90 |
| Constellation | Hercules | Gaia DR2 | 4590455518346609792 |
| Identifier | 18083+2941 |
| coord_arcsec_2000 | 180815.96+294128.3 |
| Period (P) | 2092.2d (5.73y) | ± 5.8 | Periastron (T) | 50585.1d (1997.373y) | ± 7.5 | Semi-major axis (a) | 48.8m | ± 1.2 |
| Eccentricity (e) | 0.765 | ± 0.013 | Inclination (i) | 78.4° | ± 1.6 | Longitude of periastron (ω) | 288.7° | ± 1.4 |
| Node (Ω) | 69.2° | ± 2.3 | Notes | Reference | Fek2005 | |||
| Equinox | Last observation | Grade | 9 | (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 |
| LAF 60 | Aa,Ab: YSC 65. | |
| Aa,Ab & Aa,Ac may be the same. |
| refcode | metd | author | reference |
| 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 | |
| YSC | Yale-Southern Connecticut (from additional DD list - see HOR) | ................... |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18083+2941 | YSC 65 | Aa,Ac | 2007 | 2 | 246 | 0.1 | 7.80 | 10.80 | G5 | N D | 180816.03+294128.1 |
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