Coord 2000 | 17266+3546 | Discov num | STF2168 | Comp | Coord arcsec 2000 | 17 26 40.46 +35 45 55.3 | |||||
Date first | 1828 | Date last | 2020 | Obs | 74 | ||||||
Pa first | 200 | Pa last | 203.4 | P.A. Now (θ) | 203.4° | ||||||
Sep first | 2.4 | Sep last | 2.29 | Sep. Now (ρ) | 2.29" | ||||||
Mag pri | 8.80 | Mag sec | 9.08 | delta mag (ΔM) | 0.28 | Spectral class | F5 (yellow-white) | ||||
Pri motion ra | +016 | Sec motion ra | +016 | ||||||||
Pri motion dec | -013 | Sec motion dec | -013 | ||||||||
Notes |
Name | HD 158249 | Constellation | Hercules | SAO | 66053 | HIP | 85371 | ||||
Tycho2 | 2617-01026-1 | Gaia DR2 | 1336257646840920704 | HD | 158249 | GC | 23645 | ||||
BD | BD+35 2977 | Distance | 675.68 | Distance ly | 2204.07 |
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. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
17266+3546 | STF2168 | 2005 | 64 | 202 | 2.3 | 8.80 | 9.08 | F5 | D | 172640.46+354555.3 | |
17266+3546 | STF2168 | 2008 | 65 | 201 | 2.3 | 8.80 | 9.08 | F5 | D | 172640.46+354555.3 | |
17266+3546 | STF2168 | 2009 | 68 | 202 | 2.3 | 8.80 | 9.08 | F5 | D | 172640.46+354555.3 | |
17266+3546 | STF2168 | 2013 | 69 | 202 | 2.3 | 8.80 | 9.08 | F5 | D | 172640.46+354555.3 | |
17266+3546 | STF2168 | 2017 | 70 | 203 | 2.3 | 8.80 | 9.08 | F5 | 172640.46+354555.3 | ||
17266+3546 | STF2168 | 2018 | 71 | 203 | 2.3 | 8.80 | 9.08 | F5 | 172640.46+354555.3 | ||
17266+3546 | STF2168 | 2020 | 73 | 203 | 2.3 | 8.80 | 9.08 | F5 | 172640.46+354555.3 |
Show | date | username | difficulty | sep | sep_sigma | pa | pa_sigma | delta_mag | # | notes |
Show | 12/06/21 | northisup | easy | 3.00 | 204.00 | 1 | very close in mag |
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=199.3° sep=2.23" |
Componente originario normalizzato | AB | Name | HD 158249 | Coord arcsec 2000 | 172640.46+354555.3 | Mag | 8.8 | ||||
Spectral class | F5 (yellow-white) | PmRA | 16.00 | PmDE | -13.0 | SAO | 66053 | ||||
HIP | 85371 | Tycho2 | 2617-01026-1 | HD | 158249 | GC | 23645 | ||||
BD | BD+35 2977 |
Tycho2 | 2617-01026-1 | Pflag | P | RAmdeg | 261.66857786 | DEmdeg | 35.76534894 | ||||
PmRA | 15.8 | PmDE | -13.1 | E RAmdeg | 9 | E DEmdeg | 8 | ||||
E pmRA | 4.9 | E pmDE | 4.8 | EpRAm | 1991.47 | EpDEm | 1991.62 | ||||
Num | 3 | Q RAmdeg | 1.0 | Q DEmdeg | 0.5 | Q pmRA | 1.0 | ||||
Q pmDE | 0.5 | BTmag | 9.816 | E BTmag | 0.021 | VTmag | 8.803 | ||||
E VTmag | 0.013 | Prox | 23 | TYC | T | HIP | 85371 | ||||
CCDM | A | RAdeg | 261.66871778 | DEdeg | 35.76576250 | EpRA 1990 | 1.54 | ||||
EpDE 1990 | 1.67 | E RAdeg | 8.6 | E DEdeg | 7.8 | Posflg | D | ||||
Corr | 0.0 |
SAO | 66053 | DelFlag | RA1950 | PmRA1950 | 0.0008 | ||||||
DE1950 | PmDE1950 | 0 | Vmag | 8 | SpType | F5 | |||||
Double code | Source | 70 | CatNum | 23645 | DM | BD+35 2977 | |||||
DMcomp | BDsup | HD | 158249 | M HD | 0 | ||||||
GC | 23645 | RA1950rad | 4.55925578 | DE1950rad | 0.62495151 | PmRA2000 | 0.0011 | ||||
PmDE2000 | 0.002 |
Catalog | H | HIP | 85371 | Proxy | H | RAhms | 17 26 40.49 | ||||
DEdms | +35 45 56.7 | Vmag | 8.13 | VarFlag | R Vmag | H | |||||
RAdeg | 261.669 | DEdeg | 35.7658 | AstroRef | A | Plx | 1.86 | ||||
CCDM | 17267+3546 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 201 | Rho | 2.325 | HD | 158249 | BD | BD+35 2977 | ||||
CD | CP | Dm number | +35 2977 | VIred | 0.57 | ||||||
SpType | F5 | R SpType | Coord arcsec 2000 | 172640.49+354556.7 |
HIP | 85371 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.5669806303 | DErad | 0.6242302928 | Plx | 1.48 | PmRA | 9.55 | ||||
PmDE | -6.86 | E RArad | 0.72 | E DErad | 0.81 | E Plx | 0.93 | ||||
E pmRA | 0.8 | E pmDE | 1.01 | Hpmag | 8.2549 | E Hpmag | 0.0013 | ||||
SHp | 0.014 | VA | 0 | BV | 0.617 | E BV | 0.015 | ||||
VI | 0.69 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 172640.40+354553.2 | Mag | 9.08 | PmRA | 16.00 | ||||
PmDE | -13.0 | HIP | 85371 | Tycho2 | 2617-01026-2 | Calc delta mag | 0.28 | ||||
Calc coord | yes |
Tycho2 | 2617-01026-2 | Pflag | P | RAmdeg | 261.66857786 | DEmdeg | 35.76534894 | ||||
PmRA | 15.8 | PmDE | -13.1 | E RAmdeg | 9 | E DEmdeg | 8 | ||||
E pmRA | 4.9 | E pmDE | 4.8 | EpRAm | 1991.47 | EpDEm | 1991.62 | ||||
Num | 3 | Q RAmdeg | 1.0 | Q DEmdeg | 0.5 | Q pmRA | 1.0 | ||||
Q pmDE | 0.5 | BTmag | 9.470 | E BTmag | 0.018 | VTmag | 9.079 | ||||
E VTmag | 0.016 | Prox | 23 | TYC | T | HIP | 85371 | ||||
CCDM | B | RAdeg | 261.66842611 | DEdeg | 35.76516083 | EpRA 1990 | 1.54 | ||||
EpDE 1990 | 1.67 | E RAdeg | 9.1 | E DEdeg | 8.2 | Posflg | D | ||||
Corr | 0.0 |
Catalog | H | HIP | 85371 | Proxy | H | RAhms | 17 26 40.49 | ||||
DEdms | +35 45 56.7 | Vmag | 8.13 | VarFlag | R Vmag | H | |||||
RAdeg | 261.669 | DEdeg | 35.7658 | AstroRef | A | Plx | 1.86 | ||||
CCDM | 17267+3546 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 201 | Rho | 2.325 | HD | 158249 | BD | BD+35 2977 | ||||
CD | CP | Dm number | +35 2977 | VIred | 0.57 | ||||||
SpType | F5 | R SpType | Coord arcsec 2000 | 172640.49+354556.7 |
HIP | 85371 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.5669806303 | DErad | 0.6242302928 | Plx | 1.48 | PmRA | 9.55 | ||||
PmDE | -6.86 | E RArad | 0.72 | E DErad | 0.81 | E Plx | 0.93 | ||||
E pmRA | 0.8 | E pmDE | 1.01 | Hpmag | 8.2549 | E Hpmag | 0.0013 | ||||
SHp | 0.014 | VA | 0 | BV | 0.617 | E BV | 0.015 | ||||
VI | 0.69 |