Coord 2000 | 17422+3804 | Discov num | RAO 20 | Comp | AB | Coord arcsec 2000 | 17 42 13.25 +38 04 14.3 | ||||
Date first | 2012 | Date last | 2016 | Obs | 4 | ||||||
Pa first | 302 | Pa last | 301.9 | P.A. Now (θ) | 301.9° | ||||||
Sep first | 2.2 | Sep last | 2.268 | Sep. Now (ρ) | 2.268" | ||||||
Mag pri | 7.36 | Mag sec | 12.00 | delta mag (ΔM) | 4.64 | Spectral class | G0 (yellow) | ||||
Pri motion ra | -109 | Sec motion ra | |||||||||
Pri motion dec | +094 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 66273 | 17 42 13 +38 04 14 | RBR 29 Aa,Ab | 2018 | 4 | 138 | 0.0 | 6.00 | 7.30 | 1.30 | Y | ||
Show | HD 161163 | 17 42 13 +38 04 14 | RAO 20 AB | 2016 | 4 | 302 | 2.3 | 7.36 | 12.00 | 4.64 | <=== |
Name | HD 161163 | Constellation | Hercules | HIP | 86642 | Tycho2 | 3088-00450-1 | ||||
Gaia DR2 | 1342735149009387136 | HD | 161163 | BD | BD+38 2984 | Distance | 40.44 | ||||
Distance ly | 131.92 |
discov_num | notes | refcode |
RBR 20 | Triple system. The Riddle et al. (2015) companion at 2".2 is confirmed | RAO2015 |
as physical by its fixed position and its location on the CMD. The . | ||
main star is a double-lined spectroscopic binary with P = 6 yr (D. . | ||
Latham 2012, private communication) and estimated semimajor axis of . | ||
0".1. Our standard algorithm, fitstars, produced subpar results on . | ||
this star and instead we used the deconvolution technique used in . | ||
Riddle et al. (2015) to analyze this star. It is resolved here at . | ||
0".07. The magnitude difference of Aa,Ab (dK = 2.43) matches the . | ||
spectroscopic mass ratio of 0.52 and corresponds to the Ab mass of . | ||
0.60 Msun. The orbital motion of Aa,Ab can be followed with AO and . | ||
speckle interferometry. R | br2015d |
refcode | metd | author | reference |
RAO2015 | Ag u | Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr., | 2015ApJ...799....4R |
RAO2015 | +orb | Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G., | |
RAO2015 | Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P. | ||
RAO2015 | ApJ 799, 4, 2015 | ||
RAO2015 | (Note: Paper includes separation/magnitude difference limits for all stars | ||
RAO2015 | observed. These limits have been added to the Interferometric Catalog even for | ||
RAO2015 | resolved pairs, to indicate restrictions on any potential additional components.) |
idgroup | discov | author |
1 | RBR | Roberts, L.C., Jr. & Neyman, C.R. |
2 | RBR | Roberts, L.C., Jr., Turner, N.H., Bradford, L.W., ten Brummelaar, T., Oppenheimer, |
2 | RBR | B., Kuhn, J., Whitman, K., Perrin, M., et al. |
7 | RBR | Roberts, L.C., Jr., Gies, D.R., Parks, J.R., Grundstrom, E.D., McSwain, M., |
7 | RBR | Berger, D., Mason, B., ten Brummelaar, T. & Turner, N. |
14 | RBR | Roberts, L.C., Jr., Turner, N.H., ten Brummelaar, T.A., Mason, B.D., & |
14 | RBR | AJ 142, 175, 2011 |
14 | RBR | Roberts, L.C., Jr., Rice, E.L., Beichman, C.A., Brenner, D., Burruss, R., |
14 | RBR | Crepp, J.R., Dekany, R.G., Hillenbrand, L.A., Hinkley, S., Ligon, E.R., |
14 | RBR | Lockhart, T.G., King, D., et al. |
15 | RBR | Roberts, L.C., Jr., Bouchez, A.H., Roberts, J.E., Burruss, R., Crepp, J.R., Mawet, |
15 | RBR | D., Ohara, C.M., Cromer, J.L., Dekany, R.G., Troy, M., Velur, V. & Li, J. |
16 | RBR | Roberts, L.C., Jr., Tokovinin, A., Mason, B.D., Riddle, R.L., Hartkopf, W.I., |
16 | RBR | Law, N.M., & Baranec, Ch. |
17 | RBR | Roberts, L.C., Jr., Mason, B.D., Neyman, C.R., Wu, Y., Riddle, R.L., Shelton, J., |
17 | RBR | Angione, J., Baranec, Ch., Bouchez, A., Bui, K., Burruss, R., Burse, M., et al. |
18 | RBR | Roberts, L.C., Jr., Oppenheimer, R., Crepp, J.R., Baranec, Ch., Beichman, C.A., |
18 | RBR | Brenner, D., Burruss, R., Cady, E., Luszcz-Cook, S., Dekany, R., |
18 | RBR | Hillenbrand, L.A., Hinkley, S., et al. |
21 | RBR | Roberts, L.C., Jr., Mason, B.D., Aguilar, J., Carson, J., Crepp, J., Beichman, C., |
21 | RBR | Brenner, D., Burruss, R., Cady, E., Luszcz-Cook, S., Dekany, R., Hillenbrand, L., |
21 | RBR | et al. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
17422+3804 | RAO 20 | AB | 2013 | 2 | 302 | 2.2 | 7.36 | 12.00 | G0 | 174213.25+380414.3 | |
17422+3804 | RAO 20 | AB | 2015 | 3 | 303 | 2.3 | 7.36 | 12.00 | G0 | N | 174213.25+380414.3 |
17422+3804 | RAO 20 | AB | 2016 | 4 | 302 | 2.3 | 7.36 | 12.00 | G0 | N | 174213.25+380414.3 |
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 | |
Ab | pa=144.5° sep=0.03" | |
B | pa=308.3° sep=1.93" | pa=308.6° sep=1.97" |
Name | HD 161163 | Coord arcsec 2000 | 174213.25+380414.3 | Mag | 7.36 | Spectral class | G0 (yellow) | ||||
PmRA | -109.00 | PmDE | 94.0 | Tycho2 | 3088-00450-1 |
Tycho2 | 3088-00450-1 | Pflag | RAmdeg | 265.55523919 | DEmdeg | 38.07068609 | |||||
PmRA | -104.0 | PmDE | 114.5 | E RAmdeg | 5 | E DEmdeg | 4 | ||||
E pmRA | 1.2 | E pmDE | 1.4 | EpRAm | 1991.11 | EpDEm | 1991.46 | ||||
Num | 13 | Q RAmdeg | 0.6 | Q DEmdeg | 1.5 | Q pmRA | 0.6 | ||||
Q pmDE | 1.5 | BTmag | 8.058 | E BTmag | 0.015 | VTmag | 7.363 | ||||
E VTmag | 0.010 | Prox | 999 | TYC | T | HIP | 86642 | ||||
CCDM | RAdeg | 265.55554889 | DEdeg | 38.07042167 | EpRA 1990 | 1.57 | |||||
EpDE 1990 | 1.69 | E RAdeg | 4.6 | E DEdeg | 4.2 | Posflg | |||||
Corr | 0.1 |
Coord arcsec 2000 | 174213.25+380414.3 | Mag | 7.3 | SAO | 66273 | HIP | 86642 | ||||
HD | 161163 | BD | BD+38 2984 | Calc delta mag | 1.3 | Calc coord | yes |
SAO | 66273 | DelFlag | RA1950 | PmRA1950 | -0.0078 | ||||||
DE1950 | PmDE1950 | 0.111 | Vmag | 6.3 | SpType | A0 | |||||
Double code | Source | 5 | CatNum | 1597 | DM | BD+38 2984 | |||||
DMcomp | BDsup | HD | 161163 | M HD | 0 | ||||||
GC | RA1950rad | 4.62745729 | DE1950rad | 0.66482487 | PmRA2000 | -0.0075 | |||||
PmDE2000 | 0.112 |
Catalog | H | HIP | 86642 | Proxy | RAhms | 17 42 13.33 | |||||
DEdms | +38 04 13.5 | Vmag | 7.29 | VarFlag | R Vmag | H | |||||
RAdeg | 265.556 | DEdeg | 38.0704 | AstroRef | Plx | 24.06 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | G | Source | Qual | M HIP | |||||||
Theta | Rho | HD | 161163 | BD | BD+38 2984 | ||||||
CD | CP | Dm number | +38 2984 | VIred | 0.69 | ||||||
SpType | G0 | R SpType | Coord arcsec 2000 | 174213.33+380413.5 |
HIP | 86642 | Sn | 7 | So | 1 | Nc | 1 | ||||
RArad | 4.6348188804 | DErad | 0.6644540029 | Plx | 24.73 | PmRA | -109.12 | ||||
PmDE | 94.19 | E RArad | 0.43 | E DErad | 0.47 | E Plx | 0.54 | ||||
E pmRA | 0.55 | E pmDE | 0.66 | Hpmag | 7.4199 | E Hpmag | 0.0012 | ||||
SHp | 0.01 | VA | 0 | BV | 0.633 | E BV | 0.008 | ||||
VI | 0.7 |
Coord arcsec 2000 | 174213.12+380415.5 | Mag | 12 | Calc delta mag | 6 | Calc coord | yes |