Coord 2000 | 12071+6905 | Discov num | STF1602 | Comp | AC | Coord arcsec 2000 | 12 07 07.57 +69 04 34.5 | ||||
Date first | 1898 | Date last | 2017 | Obs | 12 | ||||||
Pa first | 318 | Pa last | 314.7 | P.A. Now (θ) | 314.7° | ||||||
Sep first | 155.5 | Sep last | 153.8 | Sep. Now (ρ) | 153.8" | ||||||
Mag pri | 8.27 | Mag sec | 11.37 | delta mag (ΔM) | 3.1 | Spectral class | G5 (yellow) | ||||
Pri motion ra | -001 | Sec motion ra | -026 | ||||||||
Pri motion dec | +027 | Sec motion dec | -012 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 105287 | 15716 | 12 07 08 +69 04 34 | STF 1602 AB | 2019 | 73 | 180 | 21.0 | 8.27 | 9.91 | 1.64 | ||
Show | 15716 | 12 07 08 +69 04 34 | STF 1602 AC | 2017 | 12 | 315 | 153.8 | 8.27 | 11.37 | 3.10 | <=== |
Constellation | Draco | SAO | 15716 | HIP | 59094 | Tycho2 | 4393-01431-1 | ||||
Gaia DR2 | 1683524861026802176 | HD | 105287 | BD | BD+69 645 | Distance | 90.42 | ||||
Distance ly | 294.95 |
discov_num | notes | refcode |
STF1602 | The A component is a spectroscopic triple, P = 3.87d and 6.5y. |
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 |
12071+6905 | STF1602 | AC | 1999 | 5 | 316 | 154.0 | 8.27 | 11.37 | N D | 120707.57+690434.5 | |
12071+6905 | STF1602 | AC | 2003 | 6 | 315 | 153.9 | 8.27 | 11.37 | N D | 120707.57+690434.5 | |
12071+6905 | STF1602 | AC | 2015 | 7 | 315 | 153.9 | 8.27 | 11.37 | G5 | N | 120707.57+690434.5 |
12071+6905 | STF1602 | AC | 2017 | 8 | 315 | 153.8 | 8.27 | 11.37 | G5 | N | 120707.57+690434.5 |
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=179.9° sep=20.96" | |
C | pa=340.2° sep=115.00" | pa=343.2° sep=134.92" |
Name | HD 105287 | Coord arcsec 2000 | 120707.57+690434.5 | Mag | 8.27 | Spectral class | G5 (yellow) | ||||
PmRA | -1.00 | PmDE | 27.0 | SAO | 15716 | HIP | 59094 | ||||
Tycho2 | 4393-01431-1 | HD | 105287 | GC | 16557 | BD | BD+69 645 |
Tycho2 | 4393-01431-1 | Pflag | RAmdeg | 181.78153226 | DEmdeg | 69.07630474 | |||||
PmRA | -1.3 | PmDE | 27.5 | E RAmdeg | 6 | E DEmdeg | 6 | ||||
E pmRA | 1.0 | E pmDE | 1.2 | EpRAm | 1990.97 | EpDEm | 1991.30 | ||||
Num | 12 | Q RAmdeg | 0.8 | Q DEmdeg | 1.3 | Q pmRA | 0.9 | ||||
Q pmDE | 1.3 | BTmag | 8.827 | E BTmag | 0.017 | VTmag | 8.268 | ||||
E VTmag | 0.012 | Prox | 198 | TYC | T | HIP | 59094 | ||||
CCDM | A | RAdeg | 181.78154028 | DEdeg | 69.07624222 | EpRA 1990 | 1.65 | ||||
EpDE 1990 | 1.77 | E RAdeg | 6.0 | E DEdeg | 5.7 | Posflg | |||||
Corr | 0.0 |
SAO | 15716 | DelFlag | RA1950 | PmRA1950 | 0.0003 | ||||||
DE1950 | PmDE1950 | 0.034 | Vmag | 7.9 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 16557 | DM | BD+69 645 | |||||
DMcomp | BDsup | HD | 105287 | M HD | 0 | ||||||
GC | 16557 | RA1950rad | 3.16183875 | DE1950rad | 1.21046083 | PmRA2000 | 0.0006 | ||||
PmDE2000 | 0.038 |
Catalog | H | HIP | 59094 | Proxy | RAhms | 12 07 07.57 | |||||
DEdms | +69 04 34.5 | Vmag | 8.19 | VarFlag | R Vmag | H | |||||
RAdeg | 181.782 | DEdeg | 69.0762 | AstroRef | A | Plx | 11.27 | ||||
CCDM | 12070+6905 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | 105287 | BD | BD+69 645 | ||||||
CD | CP | Dm number | +69 645 | VIred | 0.54 | ||||||
SpType | G5 | R SpType | Coord arcsec 2000 | 120707.57+690434.5 |
HIP | 59094 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 3.1726863488 | DErad | 1.2056077855 | Plx | 11.06 | PmRA | 6.41 | ||||
PmDE | 31.35 | E RArad | 0.93 | E DErad | 1.07 | E Plx | 1.22 | ||||
E pmRA | 1.06 | E pmDE | 1.25 | Hpmag | 8.3135 | E Hpmag | 0.0248 | ||||
SHp | 0.054 | VA | 0 | BV | 0.54 | E BV | 0.013 | ||||
VI | 0.61 |
Coord arcsec 2000 | 120707.58+690413.5 | Mag | 9.91 | PmRA | -2.00 | PmDE | -15.0 | ||||
HIP | 59095 | Calc delta mag | 1.64 | Calc coord | yes |
Catalog | H | HIP | 59095 | Proxy | RAhms | 12 07 07.60 | |||||
DEdms | +69 04 14.7 | Vmag | 9.95 | VarFlag | R Vmag | H | |||||
RAdeg | 181.782 | DEdeg | 69.0707 | AstroRef | B | Plx | 11.27 | ||||
CCDM | 12070+6905 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | F | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 0.7 | |||||||
SpType | R SpType | Coord arcsec 2000 | 120707.60+690414.7 |
HIP | 59095 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 3.1726892952 | DErad | 1.2055119941 | Plx | -6.25 | PmRA | 7.27 | ||||
PmDE | 17.63 | E RArad | 5.53 | E DErad | 6.6 | E Plx | 7.38 | ||||
E pmRA | 5.8 | E pmDE | 7.25 | Hpmag | 10.5797 | E Hpmag | 0.1661 | ||||
SHp | 0 | VA | 0 | BV | 0.995 | E BV | 0.054 | ||||
VI | 0.97 |
Coord arcsec 2000 | 120700.28+690622.7 | Mag | 11.37 | PmRA | -26.00 | PmDE | -12.0 | ||||
Calc delta mag | 3.1 | Calc coord | yes |