Coord 2000 | 10029+0742 | Discov num | STF1403 | Comp | Coord arcsec 2000 | 10 02 51.33 +07 42 20.2 | |||||
Date first | 1831 | Date last | 2020 | Obs | 27 | ||||||
Pa first | 339 | Pa last | 333.9 | P.A. Now (θ) | 333.9° | ||||||
Sep first | 2.9 | Sep last | 2.79 | Sep. Now (ρ) | 2.79" | ||||||
Mag pri | 9.55 | Mag sec | 9.94 | delta mag (ΔM) | 0.39 | Spectral class | F8 (yellow-white) | ||||
Pri motion ra | -014 | Sec motion ra | -032 | ||||||||
Pri motion dec | -049 | Sec motion dec | -016 | ||||||||
Notes |
Name | HD 87077 | Constellation | Leo | SAO | 118072 | Tycho2 | 0830-01370-1 | ||||
Gaia DR2 | 3874697290023399424 | HD | 87077 | GC | 13800 |
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 |
10029+0742 | STF1403 | 1999 | 17 | 335 | 3.0 | 9.55 | 9.94 | F8 | 100251.33+074220.2 | ||
10029+0742 | STF1403 | 2011 | 18 | 335 | 2.9 | 9.55 | 9.94 | F8 | 100251.33+074220.2 | ||
10029+0742 | STF1403 | 2013 | 20 | 334 | 2.9 | 9.55 | 9.94 | F8 | 100251.33+074220.2 | ||
10029+0742 | STF1403 | 2016 | 22 | 334 | 2.9 | 9.55 | 9.94 | F8 | 100251.33+074220.2 | ||
10029+0742 | STF1403 | 2017 | 23 | 334 | 3.0 | 9.55 | 9.94 | F8 | 100251.33+074220.2 | ||
10029+0742 | STF1403 | 2019 | 25 | 334 | 3.1 | 9.55 | 9.94 | F8 | 100251.33+074220.2 | ||
10029+0742 | STF1403 | 2020 | 27 | 334 | 2.8 | 9.55 | 9.94 | F8 | 100251.33+074220.2 |
Show | date | username | difficulty | separation | pa_estim | interest ⇑ | notes |
Show | 22/04/23 | daedalus1 | separated | 334 | Seeing Pickering 3, poor to very bad! Rho 3".2. |
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=334.1° sep=2.79" |
Componente originario normalizzato | AB | Name | HD 87077 | Coord arcsec 2000 | 100251.33+074220.2 | Mag | 9.55 | ||||
Spectral class | F8 (yellow-white) | PmRA | -14.00 | PmDE | -49.0 | SAO | 118072 | ||||
Tycho2 | 0830-01370-1 | HD | 87077 | GC | 13800 | DM | BD+08 2310 |
Tycho2 | 0830-01370-1 | Pflag | RAmdeg | 150.71388939 | DEmdeg | 7.70560819 | |||||
PmRA | -13.5 | PmDE | -49.1 | E RAmdeg | 15 | E DEmdeg | 18 | ||||
E pmRA | 1.7 | E pmDE | 1.6 | EpRAm | 1990.83 | EpDEm | 1990.30 | ||||
Num | 7 | Q RAmdeg | 0.8 | Q DEmdeg | 1.7 | Q pmRA | 0.8 | ||||
Q pmDE | 1.8 | BTmag | 9.934 | E BTmag | 0.028 | VTmag | 9.554 | ||||
E VTmag | 0.027 | Prox | 28 | TYC | T | HIP | |||||
CCDM | RAdeg | 150.71392028 | DEdeg | 7.70571722 | EpRA 1990 | 1.92 | |||||
EpDE 1990 | 1.99 | E RAdeg | 14.9 | E DEdeg | 17.9 | Posflg | |||||
Corr | 0.3 |
SAO | 118072 | DelFlag | RA1950 | PmRA1950 | -0.0008 | ||||||
DE1950 | PmDE1950 | -0.051 | Vmag | 9.2 | SpType | F8 | |||||
Double code | Source | 70 | CatNum | 13800 | DM | BD+08 2310 | |||||
DMcomp | BDsup | HD | 87077 | M HD | 0 | ||||||
GC | 13800 | RA1950rad | 2.61894776 | DE1950rad | 0.13872096 | PmRA2000 | -0.0007 | ||||
PmDE2000 | -0.047 |
Ccdm | 10029+0742 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.73 | DDEs | 19.7 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.4 | Sp | F8 | PmNote | * | ||||
PmRA | -29 | PmDE | -70 | Dm number | +08 2310 | Cat1 | BD | ||||
Name2 | +07 1391 | Cat2 | AGK2/3 | HD | 87077 | M HD | |||||
ADS BDS | A 7617 | M ADS BDS | N IDS | IDS | 09576N0811A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 100251.25+074222.7 | Mag | 9.94 | PmRA | -32.00 | ||||
PmDE | -16.0 | Calc delta mag | 0.39 | Calc coord | yes |
Ccdm | 10029+0742 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1403 | DRAs | DDEs | |||||||
R dRAs | Year | 1831 | Theta | 336 | Rho | 2.9 | |||||
Obs | 11 | Vmag | 11.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 7617 | M ADS BDS | N IDS | IDS | 09576N0811B | ||||||
HIC |