Coord 2000 | 01166+1831 | Discov num | HDS 169 | Comp | Coord arcsec 2000 | 01 16 36.45 +18 31 21.6 | |||||
Date first | 1991 | Date last | 2021 | Obs | 15 | ||||||
Pa first | 264 | Pa last | 219.1 | P.A. Now (θ) | 219.1° | ||||||
Sep first | 0.6 | Sep last | 0.602 | Sep. Now (ρ) | 0.602" | ||||||
Mag pri | 8.61 | Mag sec | 12.20 | delta mag (ΔM) | 3.59 | Spectral class | G5 (yellow) | ||||
Pri motion ra | +282 | Sec motion ra | |||||||||
Pri motion dec | +020 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Name | HD 7640 | Constellation | Pisces | SAO | 92344 | HIP | 5952 | ||||
Tycho2 | 1200-01141-1 | Gaia DR2 | 2785877317611229056 | HD | 7640 | GC | 1530 | ||||
BD | BD+17 176 | Distance | 63.86 | Distance ly | 208.31 |
Period (P) | 143.73y | Periastron (T) | 2115.16y | Semi-major axis (a) | 0.767a | |||
Eccentricity (e) | 0.575 | Inclination (i) | 118.3° | Longitude of periastron (ω) | 93.9° | |||
Node (Ω) | 102.7° | Notes | n | Reference | Hrt2011d | |||
Equinox | 2000 | Last observation | 2010 | Grade | 5 | (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 |
HDS 169 | A: Ren & Fu (2013) calculated an astrometric orbit, combining | |
Hipparcos Intermediate Astrometric Data with spectroscopic elements by | ||
Latham et al. (2002). They derived component masses 1.06 and 0.28 Msun | Lat2002 | |
and an estimated semimajor axis of 14.81 mas. | Ren2013 |
refcode | metd | author | reference |
Hrt2011d | orb - | Hartkopf, W.I. & Mason, B.D. | 2011IAUDS.175....1H |
Hrt2011d | Inf. Circ. 175, 1, 2011 | ||
Lat2002 | orb - | Latham, D.N., Stefanik, R.P., Torres, G., Davis, R.J., Mazeh, T., Carney, B.W., | 2002AJ....124.1144L |
Lat2002 | Laird, J.B., & Morse, J.A. | ||
Lat2002 | AJ 124, 1144, 2002 | ||
Ren2013 | orb - | Ren, S. & Fu, Y. | 2013AJ....145...81R |
Ren2013 | AJ 145, 81, 2013 |
idgroup | discov | author |
1 | HDS | Hipparcos Double Star (from additional DD list) |
21 | HRT | Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C., |
21 | HRT | Jr., Turner, N.H., & Wilson, J.W. |
22 | HRT | Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T., |
22 | HRT | McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J. |
27 | HRT | Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E., |
27 | HRT | Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al. |
28 | HRT | Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H., |
28 | HRT | ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G. |
68 | HRT | Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R., |
68 | HRT | Rafferty, T.J., & Urban, S.E. |
87 | LAT | Latham, D.N., Mazeh, T., Stefanik, R.P., Davis, R.J., Carney, B.W., |
87 | LAT | Krymolowski, Y., Laird, J.B., Torres, G., & Morse, J.A. |
88 | LAT | Latham, D.N., Stefanik, R.P., Torres, G., Davis, R.J., Mazeh, T., Carney, B.W., |
88 | LAT | Laird, J.B., & Morse, J.A. |
89 | LAT | Buchhave, L.A., Latham, D.W., Carter, J.A., Desert, J.-M., Torres, G., |
89 | LAT | Adams, E.R., Bryson, S.T., Charbonneau, D.B., Ciardi, D.R., Kulesa, C., |
89 | LAT | Dupree, A.K., Fischer, D.A., et al. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
01166+1831 | HDS 169 | 1999 | 3 | 254 | 0.6 | 8.61 | 12.20 | G5 | D | 011636.28+183121.4 | |
01166+1831 | HDS 169 | 2004 | 4 | 248 | 0.6 | 8.61 | 12.20 | G5 | D | 011636.28+183121.4 | |
01166+1831 | HDS 169 | 2007 | 6 | 244 | 0.6 | 8.61 | 12.20 | G5 | D | 011636.28+183121.4 | |
01166+1831 | HDS 169 | 2010 | 8 | 239 | 0.6 | 8.61 | 12.20 | G5 | D | 011636.28+183121.4 | |
01166+1831 | HDS 169 | 2012 | 10 | 235 | 0.6 | 8.61 | 12.20 | G5 | OD | 011636.28+183121.4 | |
01166+1831 | HDS 169 | 2013 | 11 | 234 | 0.6 | 8.61 | 12.20 | G5 | NO | 011636.45+183121.6 | |
01166+1831 | HDS 169 | 2021 | 15 | 219 | 0.6 | 8.61 | 12.20 | G5 | NO | 011636.45+183121.6 |
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=217.6° sep=0.59" |
Name | HD 7640 | Coord arcsec 2000 | 011636.45+183121.6 | Mag | 8.61 | Spectral class | G5 (yellow) | ||||
PmRA | 282.00 | PmDE | 20.0 | SAO | 92344 | HIP | 5952 | ||||
Tycho2 | 1200-01141-1 | HD | 7640 | GC | 1530 | BD | BD+17 176 |
Tycho2 | 1200-01141-1 | Pflag | RAmdeg | 19.15188318 | DEmdeg | 18.52266639 | |||||
PmRA | 282.9 | PmDE | 20.7 | E RAmdeg | 8 | E DEmdeg | 9 | ||||
E pmRA | 0.9 | E pmDE | 0.9 | EpRAm | 1990.40 | EpDEm | 1989.86 | ||||
Num | 16 | Q RAmdeg | 1.0 | Q DEmdeg | 1.1 | Q pmRA | 1.0 | ||||
Q pmDE | 1.1 | BTmag | 9.171 | E BTmag | 0.020 | VTmag | 8.527 | ||||
E VTmag | 0.014 | Prox | 999 | TYC | T | HIP | 5952 | ||||
CCDM | AB | RAdeg | 19.15120194 | DEdeg | 18.52261889 | EpRA 1990 | 1.79 | ||||
EpDE 1990 | 1.63 | E RAdeg | 7.5 | E DEdeg | 9.2 | Posflg | P | ||||
Corr | -0.2 |
SAO | 92344 | DelFlag | RA1950 | PmRA1950 | 0.0192 | ||||||
DE1950 | PmDE1950 | 0.009 | Vmag | 8.7 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 1530 | DM | BD+17 176 | |||||
DMcomp | BDsup | HD | 7640 | M HD | 0 | ||||||
GC | 1530 | RA1950rad | 0.32248755 | DE1950rad | 0.31867531 | PmRA2000 | 0.0192 | ||||
PmDE2000 | 0.004 |
Catalog | H | HIP | 5952 | Proxy | H | RAhms | 01 16 36.28 | ||||
DEdms | +18 31 21.4 | Vmag | 8.47 | VarFlag | R Vmag | G | |||||
RAdeg | 19.1512 | DEdeg | 18.5226 | AstroRef | A | Plx | 16.08 | ||||
CCDM | 01166+1831 | N CCDM | H | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | B | M HIP | AB | |||||
Theta | 264 | Rho | 0.621 | HD | 7640 | BD | BD+17 176 | ||||
CD | CP | Dm number | +17 176 | VIred | 0.68 | ||||||
SpType | G5 | R SpType | Coord arcsec 2000 | 011636.28+183121.4 |
HIP | 5952 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 0.334250898 | DErad | 0.3232806298 | Plx | 15.66 | PmRA | 283.14 | ||||
PmDE | 20.92 | E RArad | 1 | E DErad | 0.57 | E Plx | 1.06 | ||||
E pmRA | 1.06 | E pmDE | 0.55 | Hpmag | 8.5696 | E Hpmag | 0.0013 | ||||
SHp | 0.014 | VA | 0 | BV | 0.61 | E BV | 0.015 | ||||
VI | 0.68 |
Ccdm | 01166+1831 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.45 | DDEs | 21.6 | ||||||
R dRAs | 82 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.6 | Sp | G5 | PmNote | * | ||||
PmRA | 282 | PmDE | 20 | Dm number | +17 176 | Cat1 | BD | ||||
Name2 | +18 99 | Cat2 | AGK2/3 | HD | 7640 | M HD | |||||
ADS BDS | M ADS BDS | N IDS | IDS | ||||||||
HIC | 5952 |
Coord arcsec 2000 | 011636.42+183121.1 | Mag | 12.2 | Calc delta mag | 3.59 | Calc coord | yes |
Ccdm | 01166+1831 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HDS | DRAs | 0.41 | DDEs | 21.5 | |||||
R dRAs | 82 | Year | 1991 | Theta | 264 | Rho | 0.6 | ||||
Obs | 1 | Vmag | 12.2 | Sp | PmNote | * | |||||
PmRA | 282 | PmDE | 20 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | ||||||||
HIC | 5952 |