Coord 2000 | 15513+2509 | Discov num | STF1981 | Comp | Coord arcsec 2000 | 15 51 16.00 +25 08 39.2 | |||||
Date first | 1900 | Date last | 2018 | Obs | 21 | ||||||
Pa first | 6 | Pa last | 3.9 | P.A. Now (θ) | 3.9° | ||||||
Sep first | 11.5 | Sep last | 12.056 | Sep. Now (ρ) | 12.056" | ||||||
Mag pri | 9.37 | Mag sec | 10.86 | delta mag (ΔM) | 1.49 | Spectral class | G0 (yellow) | ||||
Pri motion ra | -002 | Sec motion ra | -003 | ||||||||
Pri motion dec | -021 | Sec motion dec | -021 | ||||||||
Notes | T (Parallax indicates physical) |
Constellation | Serpens | Tycho2 | 2037-00663-1 | Gaia DR2 | 1219824661150787200 |
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 |
15513+2509 | STF1981 | 2000 | 7 | 3 | 12.0 | 9.37 | 10.86 | G0 | D | 155116.00+250839.2 | |
15513+2509 | STF1981 | 2010 | 8 | 4 | 12.0 | 9.37 | 10.86 | G0 | D | 155116.00+250839.2 | |
15513+2509 | STF1981 | 2015 | 12 | 4 | 11.9 | 9.37 | 10.86 | G0 | W | 155116.00+250839.2 | |
15513+2509 | STF1981 | 2017 | 14 | 3 | 11.9 | 9.37 | 10.86 | G0 | W | 155116.00+250839.2 | |
15513+2509 | STF1981 | 2018 | 19 | 4 | 12.1 | 9.37 | 10.86 | G0 | W | 155116.00+250839.2 |
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=3.5° sep=12.05" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 155116.00+250839.2 | Mag | 9.37 | Spectral class | G0 (yellow) | ||||
PmRA | -2.00 | PmDE | -21.0 | Tycho2 | 2037-00663-1 |
Tycho2 | 2037-00663-1 | Pflag | RAmdeg | 237.81667172 | DEmdeg | 25.14421782 | |||||
PmRA | -2.7 | PmDE | -21.0 | E RAmdeg | 12 | E DEmdeg | 11 | ||||
E pmRA | 1.5 | E pmDE | 1.3 | EpRAm | 1990.56 | EpDEm | 1990.58 | ||||
Num | 7 | Q RAmdeg | 0.4 | Q DEmdeg | 1.0 | Q pmRA | 0.5 | ||||
Q pmDE | 1.1 | BTmag | 9.903 | E BTmag | 0.023 | VTmag | 9.369 | ||||
E VTmag | 0.018 | Prox | 120 | TYC | T | HIP | |||||
CCDM | RAdeg | 237.81667861 | DEdeg | 25.14426694 | EpRA 1990 | 1.53 | |||||
EpDE 1990 | 1.57 | E RAdeg | 11.8 | E DEdeg | 10.5 | Posflg | |||||
Corr | 0.0 |
Ccdm | 15513+2509 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.06 | DDEs | -20.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.2 | Sp | G0 | PmNote | * | ||||
PmRA | -4 | PmDE | -3 | Dm number | +25 2980 | Cat1 | BD | ||||
Name2 | +25 1603 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A 9811 | M ADS BDS | N IDS | IDS | 15470N2527A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 155116.05+250851.2 | Mag | 10.86 | PmRA | -3.00 | ||||
PmDE | -21.0 | Tycho2 | 2037-01829-1 | Calc delta mag | 1.49 | Calc coord | yes |
Tycho2 | 2037-01829-1 | Pflag | RAmdeg | 237.81683391 | DEmdeg | 25.14755137 | |||||
PmRA | -8.8 | PmDE | -18.0 | E RAmdeg | 38 | E DEmdeg | 40 | ||||
E pmRA | 2.4 | E pmDE | 2.4 | EpRAm | 1988.52 | EpDEm | 1988.05 | ||||
Num | 3 | Q RAmdeg | 0.3 | Q DEmdeg | 0.4 | Q pmRA | 0.3 | ||||
Q pmDE | 0.5 | BTmag | 11.436 | E BTmag | 0.065 | VTmag | 10.857 | ||||
E VTmag | 0.063 | Prox | 120 | TYC | T | HIP | |||||
CCDM | RAdeg | 237.81685667 | DEdeg | 25.14759389 | EpRA 1990 | 1.58 | |||||
EpDE 1990 | 1.48 | E RAdeg | 38.9 | E DEdeg | 40.5 | Posflg | |||||
Corr | 0.0 |
Ccdm | 15513+2509 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1981 | DRAs | DDEs | |||||||
R dRAs | Year | 1905 | Theta | 004 | Rho | 11.9 | |||||
Obs | 3 | Vmag | 11.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 9811 | M ADS BDS | N | N IDS | IDS | 15470N2527B | |||||
HIC |