Coord 2000 | 18517+1331 | Discov num | WAL 96 | Comp | AB,D | Coord arcsec 2000 | 18 51 43.74 +13 31 06.9 | ||||
Date first | 1944 | Date last | 2014 | Obs | 5 | ||||||
Pa first | 290 | Pa last | 290.5 | P.A. Now (θ) | 290.5° | ||||||
Sep first | 70.0 | Sep last | 72.711 | Sep. Now (ρ) | 72.711" | ||||||
Mag pri | 8.15 | Mag sec | 13.10 | delta mag (ΔM) | 4.95 | Spectral class | G5 (yellow) | ||||
Pri motion ra | +012 | Sec motion ra | |||||||||
Pri motion dec | +000 | Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 174791 | 104190 | 18 51 44 +13 31 07 | STF 2409 AB | 2015 | 48 | 22 | 0.9 | 8.46 | 9.64 | 1.18 | ||
Show | 104190 | 18 51 44 +13 31 07 | STF 2409 AC | 2015 | 13 | 196 | 33.8 | 8.46 | 12.96 | 4.50 | |||
Show | 104190 | 18 51 44 +13 31 07 | WAL 96 AB,D | 2014 | 5 | 291 | 72.7 | 8.15 | 13.10 | 4.95 | <=== |
Constellation | Hercules | SAO | 104190 | HIP | 92565 | Tycho2 | 1038-00509-1 | ||||
Gaia DR2 | 4506988528369460992 | HD | 174791 | BD | BD+13 3783 | Distance | 261.1 | ||||
Distance ly | 851.71 |
refcode | metd | author | reference |
STFA | (F. Struve DD - Appendix list #1) | ................... | |
STFB | (F. Struve DD - Appendix list #2) | ................... | |
StF1833A | Ma - | Struve, F.G.W. | 1833MmRAS...5...13H |
StF1833A | +Mc | cited by Herschel (MemRAS 5, 13, 1833) | |
StF1833B | Ma - | Struve, F.G.W. | 1833AN.....10..389B |
StF1833B | cited by Bessel (AN 10, 389, 1833) | ||
StF1837 | Ma - | Struve, F.G.W. | 1837AN.....14...249 |
StF1837 | Stellarum duplicium et multiplicium mensurae micrometricae... | ||
StF1837 | (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837 | ||
StF1844A | Ma - | Struve, F.G.W. | 1844QB43.S66....... |
StF1844A | cited by Smyth (Cycle of Celestial Objects 2, 1844) | ||
StF1852A | Ma - | Struve, F.G.W. | . |
StF1852A | cited by Bishop (Bishop Obs. Astron. Observations 1852) | ||
StF1865A | Ma - | Struve, F.G.W. | 1865AN.....64...81E |
StF1865A | cited by Engelmann (AN 64, 81, #1518, 1865) | ||
StF1875A | Ma - | Struve, F.G.W. | 1875AN.....85..323D |
StF1875A | cited by Doberck, 1875 (see Dob1875b,f,g,h) | ||
StF1878 | Ma - | Struve, F.G.W. | . |
StF1878 | Pulkova Observations 9, 1878 | ||
StF1878B | Ma - | Struve, F.G.W. | 1878Obs.....2..239G |
StF1878B | cited by Gledhill (Obs 2, 239, 1878) | ||
StF1880A | Ma - | Struve, F.G.W. | 1880Obs.....3..535G |
StF1880A | cited by Gledhill (Obs 3, 535, 1880) | ||
StF1906A | Ma - | Struve, F.G.W. | 1906QB821.B972..... |
StF1906A | cited in BDS (Burnham Double Star Cat.), 1906 | ||
StF1906B | Ma - | Struve, F.G.W. | 1906MmRAS..56....1L |
StF1906B | cited by Lewis (MemRAS 56, 1, 1906) | ||
StF1922A | Ma - | Struve, F.G.W. | 1922AN....216...49R |
StF1922A | cited by Rabe (AN 216, 49, 1922) | ||
StF1932A | Ma - | Struve, F.G.W. | 1932QB821.A43...... |
StF1932A | cited in ADS (Aitken Double Star Cat.), 1932 | ||
StF2002 | - - | Weis, J. | |
StF2002 | F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue | ||
StF2002 | USNO Library : QB 821 .S8 W49 2002 | ||
StF2022 | - - | email note from Jan Weis: 6 July 2022 | |
StF9999 | Ma - | Struve, F.G.W. | ................... |
StF9999 | Unpublished, manuscript or reference not found. | ||
Wal1934 | Ma j | Wallenquist, A. | 1934AnBos...6....3W |
Wal1934 | Ann. Bosscha Obs. Lembang 6, Pt.2, 1934 | ||
Wal1944a | Zw - | Wallenquist, A. | 1954MeUpp...85..... |
Wal1944a | Medd. Uppsala Obs. #85, 1944 | ||
Wal1944a | (Visual measures with wedge photometer attached to 14-inch refractor. No dates | ||
Wal1944a | given for measures; default date = decade of publication added.) | ||
Wal1944b | Zw - | Wallenquist, A. | 1954MeUpp...87..... |
Wal1944b | Medd. Uppsala Obs. #87, 1944 | ||
Wal1944b | (Visual measures with wedge photometer attached to 14-inch refractor. No dates | ||
Wal1944b | given for measures; default date = decade of publication added.) | ||
Wal1947 | Zw - | Wallenquist, A. | 1947UppAn...2....2W |
Wal1947 | Ann. Uppsala Astron. Obs. 2, No.2, 1947 | ||
Wal1947 | (A catalogue containing results of the two prior series, plus additional measures | ||
Wal1947 | with the 14-inch refractor and wedge photometer) | ||
Wal1948 | Zw - | Wallenquist, A. | 1948UppAn...2....3W |
Wal1948 | Ann. Uppsala Astron Obs. 2, #3, 1948 | ||
Wal1948 | (Visual measures of southern double stars made with 17-inch refractor of La Plata | ||
Wal1948 | and wedge photometer. No dates listed; default date = decade of publication added) | ||
Wal1950 | Zd - | Wallenquist, A. | 1950MeUpp..103..... |
Wal1950 | Medd. Uppsala Obs. #103, 1950 | ||
Wal1954 | Zw - | Wallenquist, A. | 1954UppAn...4Q....W |
Wal1954 | Ann. Uppsala Astron Obs. 4, #2, 1954 | ||
Wal1954 | ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean | ||
Wal1954 | values from numerous sources) | ||
Wal1958 | Zw - | Wallenquist, A. | 1958MeUpp..118..... |
Wal1958 | Medd. Uppsala Obs. #118, 1958 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18517+1331 | WAL 96 | AB,D | 1999 | 2 | 291 | 72.6 | 8.15 | 13.10 | D | 185143.74+133106.9 | |
18517+1331 | WAL 96 | AB,D | 2014 | 5 | 291 | 72.7 | 8.15 | 13.10 | G5 | 185143.74+133106.9 |
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 | C | |
B | pa=21.1° sep=0.94" | ||
C | pa=195.8° sep=33.72" | pa=195.9° sep=34.65" | |
D | pa=291.0° sep=70.95" | pa=290.3° sep=70.95" | pa=315.4° sep=81.30" |
Name | HD 174791 | Coord arcsec 2000 | 185143.74+133106.9 | Mag | 8.46 | Spectral class | G5 (yellow) | ||||
PmRA | 12.00 | PmDE | 0.0 | SAO | 104190 | HIP | 92565 | ||||
Tycho2 | 1038-00509-1 | HD | 174791 | GC | 25877 | ADS | 11763 | ||||
BD | BD+13 3783 |
Tycho2 | 1038-00509-1 | Pflag | P | RAmdeg | 282.93226571 | DEmdeg | 13.51862080 | ||||
PmRA | 12.3 | PmDE | -0.1 | E RAmdeg | 9 | E DEmdeg | 10 | ||||
E pmRA | 1.7 | E pmDE | 1.6 | EpRAm | 1991.34 | EpDEm | 1991.31 | ||||
Num | 5 | Q RAmdeg | 1.1 | Q DEmdeg | 0.7 | Q pmRA | 1.1 | ||||
Q pmDE | 0.8 | BTmag | 9.404 | E BTmag | 0.022 | VTmag | 8.464 | ||||
E VTmag | 0.015 | Prox | 9 | TYC | T | HIP | 92565 | ||||
CCDM | A | RAdeg | 282.93221333 | DEdeg | 13.51857444 | EpRA 1990 | 1.73 | ||||
EpDE 1990 | 1.81 | E RAdeg | 9.1 | E DEdeg | 9.8 | Posflg | D | ||||
Corr | 0.0 |
SAO | 104190 | DelFlag | RA1950 | PmRA1950 | 0.0009 | ||||||
DE1950 | PmDE1950 | 0.007 | Vmag | 7.8 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 25877 | DM | BD+13 3783 | |||||
DMcomp | BDsup | HD | 174791 | M HD | 0 | ||||||
GC | 25877 | RA1950rad | 4.9280508 | DE1950rad | 0.23488069 | PmRA2000 | 0.001 | ||||
PmDE2000 | 0.007 |
Catalog | H | HIP | 92565 | Proxy | H | RAhms | 18 51 43.73 | ||||
DEdms | +13 31 06.9 | Vmag | 8.07 | VarFlag | R Vmag | H | |||||
RAdeg | 282.932 | DEdeg | 13.5186 | AstroRef | A | Plx | 3.51 | ||||
CCDM | 18517+1331 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 22 | Rho | 1.014 | HD | 174791 | BD | BD+13 3783 | ||||
CD | CP | Dm number | +13 3783 | VIred | 0.8 | ||||||
SpType | G5 | R SpType | Coord arcsec 2000 | 185143.73+133106.9 |
HIP | 92565 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.9380986894 | DErad | 0.2359436537 | Plx | 3.83 | PmRA | 12.35 | ||||
PmDE | 0.97 | E RArad | 0.88 | E DErad | 0.86 | E Plx | 1.05 | ||||
E pmRA | 1.39 | E pmDE | 1.1 | Hpmag | 8.2214 | E Hpmag | 0.002 | ||||
SHp | 0.013 | VA | 0 | BV | 0.801 | E BV | 0.019 | ||||
VI | 0.83 |
Ccdm | 18517+1331 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.79 | DDEs | 6.2 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 8.1 | Sp | G5 | PmNote | * | ||||
PmRA | 17 | PmDE | -13 | Dm number | +13 3783 | Cat1 | BD | ||||
Name2 | +13 1846 | Cat2 | AGK2/3 | HD | 174791 | M HD | |||||
ADS BDS | A11763 | M ADS BDS | N IDS | IDS | 18471N1324A | ||||||
HIC | 92565 |
Coord arcsec 2000 | 185143.76+133107.8 | Mag | 9.64 | PmRA | 12.00 | PmDE | 0.0 | ||||
Tycho2 | 1038-00509-2 | Calc delta mag | 1.18 | Calc coord | yes |
Tycho2 | 1038-00509-2 | Pflag | P | RAmdeg | 282.93226571 | DEmdeg | 13.51862080 | ||||
PmRA | 12.3 | PmDE | -0.1 | E RAmdeg | 9 | E DEmdeg | 10 | ||||
E pmRA | 1.7 | E pmDE | 1.6 | EpRAm | 1991.34 | EpDEm | 1991.31 | ||||
Num | 5 | Q RAmdeg | 1.1 | Q DEmdeg | 0.7 | Q pmRA | 1.1 | ||||
Q pmDE | 0.8 | BTmag | 10.386 | E BTmag | 0.040 | VTmag | 9.644 | ||||
E VTmag | 0.031 | Prox | 9 | TYC | T | HIP | 92565 | ||||
CCDM | B | RAdeg | 282.93232861 | DEdeg | 13.51880556 | EpRA 1990 | 1.72 | ||||
EpDE 1990 | 1.81 | E RAdeg | 21.3 | E DEdeg | 22.7 | Posflg | D | ||||
Corr | -0.1 |
Ccdm | 18517+1331 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2409 | DRAs | DDEs | |||||||
R dRAs | Year | 1950 | Theta | 024 | Rho | 0.8 | |||||
Obs | 20 | Vmag | 9.4 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11763 | M ADS BDS | N IDS | IDS | 18471N1324B | ||||||
HIC | 92565 |
Coord arcsec 2000 | 185143.11+133034.4 | Mag | 12.96 | PmRA | 5.00 | PmDE | -8.0 | ||||
Calc delta mag | 4.5 | Calc coord | yes |
Ccdm | 18517+1331 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF2409 | DRAs | DDEs | |||||||
R dRAs | Year | 1900 | Theta | 196 | Rho | 32.8 | |||||
Obs | 2 | Vmag | 10.9 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11763 | M ADS BDS | N IDS | IDS | 18471N1324C | ||||||
HIC |
Coord arcsec 2000 | 185139.20+133132.4 | Mag | 13.1 | Calc delta mag | 4.64 | Calc coord | yes |