Coord 2000 | 03314+2148 | Discov num | STF 404 | Comp | AC | Coord arcsec 2000 | 03 31 21.67 +21 47 59.9 | ||||
Date first | 1892 | Date last | 2015 | Obs | 19 | ||||||
Pa first | 47 | Pa last | 49.9 | P.A. Now (θ) | 49.9° | ||||||
Sep first | 122.6 | Sep last | 121.781 | Sep. Now (ρ) | 121.781" | ||||||
Mag pri | 9.84 | Mag sec | 8.88 | delta mag (ΔM) | 0.96 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | +006 | Sec motion ra | +024 | ||||||||
Pri motion dec | -016 | Sec motion dec | -048 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 03 31 22 +21 47 60 | STF 404 AB | 2015 | 19 | 203 | 28.9 | 9.84 | 11.35 | 1.51 | ||||
Show | 03 31 22 +21 47 60 | STF 404 AC | 2015 | 19 | 50 | 121.8 | 9.84 | 8.88 | 0.96 | <=== | |||
Show | 03 31 28 +21 49 19 | STF 405 CD | 2015 | 15 | 49 | 26.8 | 8.88 | 11.99 | 3.11 |
Constellation | Taurus | Tycho2 | 1246-00462-1 | Gaia DR2 | 61530908370267264 |
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 |
03314+2148 | STF 404 | AC | 2006 | 14 | 50 | 121.5 | 9.84 | 8.88 | D | 033121.67+214759.9 | |
03314+2148 | STF 404 | AC | 2015 | 17 | 50 | 121.8 | 9.84 | 8.88 | K0 | 033121.67+214759.9 |
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 | C | |
B | pa=201.0° sep=28.63" | ||
C | pa=49.4° sep=122.09" | pa=44.2° sep=147.91" | |
D | pa=48.9° sep=147.78" | pa=44.5° sep=173.62" | pa=46.4° sep=25.72" |
Coord arcsec 2000 | 033121.67+214759.9 | Mag | 9.84 | Spectral class | K0 (yellow-orange) | PmRA | 6.00 | ||||
PmDE | -16.0 | Tycho2 | 1246-00462-1 |
Tycho2 | 1246-00462-1 | Pflag | RAmdeg | 52.84030253 | DEmdeg | 21.79999453 | |||||
PmRA | 6.5 | PmDE | -16.0 | E RAmdeg | 19 | E DEmdeg | 24 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1986.37 | EpDEm | 1983.15 | ||||
Num | 8 | Q RAmdeg | 1.0 | Q DEmdeg | 0.7 | Q pmRA | 1.1 | ||||
Q pmDE | 0.6 | BTmag | 11.090 | E BTmag | 0.058 | VTmag | 9.835 | ||||
E VTmag | 0.031 | Prox | 288 | TYC | T | HIP | |||||
CCDM | RAdeg | 52.84028278 | DEdeg | 21.80003667 | EpRA 1990 | 1.75 | |||||
EpDE 1990 | 1.55 | E RAdeg | 20.7 | E DEdeg | 27.9 | Posflg | |||||
Corr | -0.1 |
Coord arcsec 2000 | 033120.93+214733.2 | Mag | 11.35 | PmRA | 6.00 | PmDE | -22.0 | ||||
Tycho2 | 1246-00454-1 | Calc delta mag | 1.51 | Calc coord | yes |
Tycho2 | 1246-00454-1 | Pflag | RAmdeg | 52.83705201 | DEmdeg | 21.79259545 | |||||
PmRA | 8.6 | PmDE | -19.6 | E RAmdeg | 52 | E DEmdeg | 66 | ||||
E pmRA | 1.5 | E pmDE | 1.6 | EpRAm | 1976.96 | EpDEm | 1967.84 | ||||
Num | 4 | Q RAmdeg | 0.2 | Q DEmdeg | 0.1 | Q pmRA | 0.3 | ||||
Q pmDE | 0.1 | BTmag | 11.866 | E BTmag | 0.105 | VTmag | 11.352 | ||||
E VTmag | 0.109 | Prox | 288 | TYC | HIP | ||||||
CCDM | RAdeg | 52.83703056 | DEdeg | 21.79264167 | EpRA 1990 | 1.75 | |||||
EpDE 1990 | 1.56 | E RAdeg | 56.6 | E DEdeg | 77.1 | Posflg | |||||
Corr | -0.1 |
Coord arcsec 2000 | 033128.33+214919.3 | Coord calc | 033128.33+214919.3 | Mag | 8.88 | Spectral class | F2 (yellow-white) | ||||
PmRA | 24.00 | PmDE | -48.0 | HIP | 16423 | Tycho2 | 1246-00932-1 | ||||
BD | BD+21 474 | Calc delta mag | 0.96 |
Tycho2 | 1246-00932-1 | Pflag | RAmdeg | 52.86809418 | DEmdeg | 21.82190912 | |||||
PmRA | 23.8 | PmDE | -48.8 | E RAmdeg | 8 | E DEmdeg | 10 | ||||
E pmRA | 0.7 | E pmDE | 0.7 | EpRAm | 1989.76 | EpDEm | 1988.09 | ||||
Num | 20 | Q RAmdeg | 0.6 | Q DEmdeg | 0.6 | Q pmRA | 0.7 | ||||
Q pmDE | 0.7 | BTmag | 9.352 | E BTmag | 0.021 | VTmag | 8.884 | ||||
E VTmag | 0.016 | Prox | 846 | TYC | T | HIP | 16423 | ||||
CCDM | RAdeg | 52.86803500 | DEdeg | 21.82202389 | EpRA 1990 | 1.75 | |||||
EpDE 1990 | 1.53 | E RAdeg | 8.0 | E DEdeg | 10.9 | Posflg | |||||
Corr | -0.1 |
Catalog | H | HIP | 16423 | Proxy | RAhms | 03 31 28.33 | |||||
DEdms | +21 49 19.3 | Vmag | 8.88 | VarFlag | R Vmag | H | |||||
RAdeg | 52.868 | DEdeg | 21.822 | AstroRef | Plx | 8.44 | |||||
CCDM | 03314+2149 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | BD | BD+21 474 | |||||||
CD | CP | Dm number | +21 474 | VIred | 0.39 | ||||||
SpType | F2 | R SpType | Coord arcsec 2000 | 033128.33+214919.3 |
HIP | 16423 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.9227212143 | DErad | 0.3808662374 | Plx | 8.2 | PmRA | 24.58 | ||||
PmDE | -47.5 | E RArad | 1.14 | E DErad | 0.55 | E Plx | 1.32 | ||||
E pmRA | 1.56 | E pmDE | 1.44 | Hpmag | 8.9701 | E Hpmag | 0.0013 | ||||
SHp | 0.016 | VA | 0 | BV | 0.391 | E BV | 0.027 | ||||
VI | 0.46 |
Coord arcsec 2000 | 033129.67+214937.0 | Mag | 11.99 | PmRA | 10.00 | PmDE | -23.0 | ||||
Calc delta mag | 2.15 | Calc coord | yes |