Coord 2000 | 17295+3456 | Discov num | STF2178 | Comp | AB | Coord arcsec 2000 | 17 29 28.15 +34 56 19.0 | ||||
Date first | 1787 | Date last | 2018 | Obs | 52 | ||||||
Pa first | 136 | Pa last | 128.4 | P.A. Now (θ) | 128.4° | ||||||
Sep first | 10.3 | Sep last | 10.601 | Sep. Now (ρ) | 10.601" | ||||||
Mag pri | 7.29 | Mag sec | 9.05 | delta mag (ΔM) | 1.76 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | -027 | Sec motion ra | -028 | ||||||||
Pri motion dec | +003 | Sec motion dec | +003 | ||||||||
Notes | N T (See Notes, Parallax indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 158756 | 66085 | 17 29 28 +34 56 19 | STF 2178 AB | 2018 | 52 | 128 | 10.6 | 7.29 | 9.05 | 1.76 | <=== | |
Show | 66085 | 17 29 28 +34 56 19 | WAL 81 AC | 2015 | 7 | 346 | 113.4 | 7.29 | 11.65 | 4.36 |
Name | HD 158756 | Constellation | Hercules | SAO | 66085 | HIP | 85596 | ||||
Tycho2 | 2613-02216-1 | Gaia DR2 | 1335973049418989952 | HD | 158756 | GC | 23700 | ||||
BD | BD+35 2986 | Distance | 128.53 | Distance ly | 419.26 |
discov_num | notes | refcode |
STF2178 | BDS 8092. H III 40 may be same star? |
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 |
17295+3456 | STF2178 | AB | 2005 | 44 | 128 | 10.6 | 7.29 | 9.05 | K0 | NYD | 172928.15+345619.0 |
17295+3456 | STF2178 | AB | 2017 | 48 | 129 | 10.7 | 7.29 | 9.05 | K0 | NYW | 172928.15+345619.0 |
17295+3456 | STF2178 | AB | 2018 | 49 | 129 | 10.6 | 7.29 | 9.05 | K0 | NYW | 172928.15+345619.0 |
Show | date | username | difficulty | sep | sep_sigma | pa | pa_sigma | delta_mag | # | notes |
Show | 12/06/21 | northisup | easy | 11.00 | 128.00 | 1.50 | 1 |
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 | |
B | pa=134.0° sep=9.47" | |
C | pa=348.8° sep=112.33" | pa=346.2° sep=120.23" |
Name | HD 158756 | Coord arcsec 2000 | 172928.15+345619.0 | Mag | 7.29 | Spectral class | K0 (yellow-orange) | ||||
PmRA | -27.00 | PmDE | 3.0 | SAO | 66085 | HIP | 85596 | ||||
Tycho2 | 2613-02216-1 | HD | 158756 | GC | 23700 | BD | BD+35 2986 |
Tycho2 | 2613-02216-1 | Pflag | RAmdeg | 262.36723539 | DEmdeg | 34.93860854 | |||||
PmRA | -23.6 | PmDE | 2.1 | E RAmdeg | 5 | E DEmdeg | 4 | ||||
E pmRA | 1.1 | E pmDE | 1.2 | EpRAm | 1991.14 | EpDEm | 1991.43 | ||||
Num | 13 | Q RAmdeg | 1.2 | Q DEmdeg | 1.2 | Q pmRA | 1.2 | ||||
Q pmDE | 1.3 | BTmag | 8.568 | E BTmag | 0.017 | VTmag | 7.294 | ||||
E VTmag | 0.010 | Prox | 108 | TYC | T | HIP | 85596 | ||||
CCDM | A | RAdeg | 262.36730333 | DEdeg | 34.93860361 | EpRA 1990 | 1.53 | ||||
EpDE 1990 | 1.63 | E RAdeg | 4.6 | E DEdeg | 4.4 | Posflg | |||||
Corr | -0.2 |
SAO | 66085 | DelFlag | RA1950 | PmRA1950 | -0.0025 | ||||||
DE1950 | PmDE1950 | -0.001 | Vmag | 7.3 | SpType | K0 | |||||
Double code | Source | 70 | CatNum | 23700 | DM | BD+35 2986 | |||||
DMcomp | BDsup | HD | 158756 | M HD | 0 | ||||||
GC | 23700 | RA1950rad | 4.5713605 | DE1950rad | 0.61045517 | PmRA2000 | -0.0022 | ||||
PmDE2000 | 0 |
Catalog | H | HIP | 85596 | Proxy | RAhms | 17 29 28.15 | |||||
DEdms | +34 56 19.0 | Vmag | 7.17 | VarFlag | R Vmag | H | |||||
RAdeg | 262.367 | DEdeg | 34.9386 | AstroRef | A | Plx | 8.71 | ||||
CCDM | 17295+3456 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | 158756 | BD | BD+35 2986 | ||||||
CD | CP | Dm number | +35 2986 | VIred | 1.01 | ||||||
SpType | K0 | R SpType | Coord arcsec 2000 | 172928.15+345619.0 |
HIP | 85596 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.5791733864 | DErad | 0.609793652 | Plx | 7.78 | PmRA | -27.45 | ||||
PmDE | 3.41 | E RArad | 0.5 | E DErad | 0.6 | E Plx | 0.72 | ||||
E pmRA | 0.57 | E pmDE | 0.77 | Hpmag | 7.3387 | E Hpmag | 0.0037 | ||||
SHp | 0.017 | VA | 0 | BV | 1.081 | E BV | 0.007 | ||||
VI | 1.04 |
Ccdm | 17295+3456 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -1.87 | DDEs | 19.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.5 | Sp | K0 | PmNote | * | ||||
PmRA | -28 | PmDE | 8 | Dm number | +35 2986 | Cat1 | BD | ||||
Name2 | +34 1587 | Cat2 | AGK2/3 | HD | 158756 | M HD | |||||
ADS BDS | A10594 | M ADS BDS | N IDS | IDS | 17259N3501A | ||||||
HIC | 85596 |
Coord arcsec 2000 | 172928.70+345612.4 | Mag | 9.05 | PmRA | -28.00 | PmDE | 3.0 | ||||
HIP | 85597 | Tycho2 | 2613-02219-1 | Calc delta mag | 1.76 | Calc coord | yes |
Tycho2 | 2613-02219-1 | Pflag | RAmdeg | 262.37014831 | DEmdeg | 34.93678420 | |||||
PmRA | -23.0 | PmDE | 0.7 | E RAmdeg | 11 | E DEmdeg | 11 | ||||
E pmRA | 3.5 | E pmDE | 3.5 | EpRAm | 1991.39 | EpDEm | 1991.37 | ||||
Num | 4 | Q RAmdeg | 1.0 | Q DEmdeg | 1.1 | Q pmRA | 1.0 | ||||
Q pmDE | 1.1 | BTmag | 9.891 | E BTmag | 0.025 | VTmag | 9.050 | ||||
E VTmag | 0.017 | Prox | 108 | TYC | T | HIP | 85597 | ||||
CCDM | B | RAdeg | 262.37021361 | DEdeg | 34.93678250 | EpRA 1990 | 1.59 | ||||
EpDE 1990 | 1.56 | E RAdeg | 11.2 | E DEdeg | 10.7 | Posflg | |||||
Corr | -0.3 |
Catalog | H | HIP | 85597 | Proxy | RAhms | 17 29 28.84 | |||||
DEdms | +34 56 12.4 | Vmag | 9.17 | VarFlag | R Vmag | H | |||||
RAdeg | 262.37 | DEdeg | 34.9368 | AstroRef | B | Plx | 13.41 | ||||
CCDM | 17295+3456 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 0.27 | |||||||
SpType | K0 | R SpType | Coord arcsec 2000 | 172928.84+345612.4 |
HIP | 85597 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.5792231936 | DErad | 0.609761858 | Plx | 8.54 | PmRA | -26.65 | ||||
PmDE | 2.69 | E RArad | 0.51 | E DErad | 0.63 | E Plx | 0.73 | ||||
E pmRA | 0.58 | E pmDE | 0.8 | Hpmag | 9.3302 | E Hpmag | 0.0222 | ||||
SHp | 0 | VA | 0 | BV | 0.611 | E BV | 0.024 | ||||
VI | 0.68 |
Ccdm | 17295+3456 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2178 | DRAs | -1.23 | DDEs | 13.0 | |||||
R dRAs | 10 | Year | 1832 | Theta | 130 | Rho | 10.7 | ||||
Obs | 18 | Vmag | 9.1 | Sp | PmNote | * | |||||
PmRA | -34 | PmDE | 15 | Dm number | Cat1 | ||||||
Name2 | +34 1588 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A10594 | M ADS BDS | N | N IDS | IDS | 17259N3501B | |||||
HIC | 85597 |
Coord arcsec 2000 | 172926.37+345809.2 | Mag | 11.65 | PmRA | -2.00 | PmDE | 1.0 | ||||
Tycho2 | 2613-00163-1 | Calc delta mag | 4.36 | Calc coord | yes |
Tycho2 | 2613-00163-1 | Pflag | RAmdeg | 262.35814565 | DEmdeg | 34.96923507 | |||||
PmRA | 5.4 | PmDE | 2.4 | E RAmdeg | 68 | E DEmdeg | 84 | ||||
E pmRA | 5.6 | E pmDE | 6.9 | EpRAm | 1987.83 | EpDEm | 1987.61 | ||||
Num | 3 | Q RAmdeg | 0.8 | Q DEmdeg | 0.7 | Q pmRA | 0.8 | ||||
Q pmDE | 0.7 | BTmag | 13.020 | E BTmag | 0.252 | VTmag | 11.914 | ||||
E VTmag | 0.154 | Prox | 999 | TYC | HIP | ||||||
CCDM | RAdeg | 262.35813056 | DEdeg | 34.96922944 | EpRA 1990 | 1.70 | |||||
EpDE 1990 | 1.51 | E RAdeg | 71.0 | E DEdeg | 88.3 | Posflg | |||||
Corr | -0.2 |