Coord 2000 | 03361+6317 | Discov num | STF 402 | Comp | Coord arcsec 2000 | 03 36 03.81 +63 17 17.2 | |||||
Date first | 1902 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 161 | Pa last | 164.9 | P.A. Now (θ) | 164.9° | ||||||
Sep first | 12.5 | Sep last | 12.011 | Sep. Now (ρ) | 12.011" | ||||||
Mag pri | 7.58 | Mag sec | 10.49 | delta mag (ΔM) | 2.91 | Spectral class | K4III (yellow-orange) | ||||
Pri motion ra | +005 | Sec motion ra | -002 | ||||||||
Pri motion dec | +000 | Sec motion dec | +004 | ||||||||
Notes |
Name | HD 21971 | Constellation | Camelopardalis | SAO | 12830 | HIP | 16789 | ||||
Tycho2 | 4066-00848-1 | Gaia DR2 | 487708281088622080 | HD | 21971 | BD | BD+62 582 | ||||
Distance | 1818.18 | Distance ly | 5930.9 |
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 |
03361+6317 | STF 402 | 2000 | 6 | 165 | 11.9 | 7.70 | 10.30 | K4III | D | 033603.81+631717.2 | |
03361+6317 | STF 402 | 2003 | 7 | 164 | 11.6 | 7.70 | 10.30 | K4III | D | 033603.81+631717.2 | |
03361+6317 | STF 402 | 2015 | 8 | 165 | 12.0 | 7.58 | 10.49 | K4III | 033603.81+631717.2 |
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=173.1° sep=11.68" |
Componente originario normalizzato | AB | Name | HD 21971 | Coord arcsec 2000 | 033603.81+631717.2 | Mag | 7.58 | ||||
Spectral class | K4III (yellow-orange) | PmRA | 5.00 | PmDE | 0.0 | SAO | 12830 | ||||
HIP | 16789 | Tycho2 | 4066-00848-1 | HD | 21971 | BD | BD+62 582 |
Tycho2 | 4066-00848-1 | Pflag | RAmdeg | 54.01589803 | DEmdeg | 63.28812975 | |||||
PmRA | 5.1 | PmDE | 2.2 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.2 | E pmDE | 1.3 | EpRAm | 1991.30 | EpDEm | 1991.39 | ||||
Num | 13 | Q RAmdeg | 0.8 | Q DEmdeg | 0.8 | Q pmRA | 0.8 | ||||
Q pmDE | 0.8 | BTmag | 9.688 | E BTmag | 0.020 | VTmag | 7.577 | ||||
E VTmag | 0.010 | Prox | 886 | TYC | T | HIP | 16789 | ||||
CCDM | RAdeg | 54.01587167 | DEdeg | 63.28812472 | EpRA 1990 | 1.63 | |||||
EpDE 1990 | 1.65 | E RAdeg | 5.1 | E DEdeg | 4.8 | Posflg | |||||
Corr | 0.0 |
SAO | 12830 | DelFlag | RA1950 | PmRA1950 | 0.0005 | ||||||
DE1950 | PmDE1950 | 0.019 | Vmag | 7.5 | SpType | K0 | |||||
Double code | Source | 2 | CatNum | 271 | DM | BD+62 582 | |||||
DMcomp | BDsup | HD | 21971 | M HD | 0 | ||||||
GC | RA1950rad | 0.92384043 | DE1950rad | 1.10169688 | PmRA2000 | 0.0002 | |||||
PmDE2000 | 0.015 |
Catalog | H | HIP | 16789 | Proxy | RAhms | 03 36 03.81 | |||||
DEdms | +63 17 17.2 | Vmag | 7.33 | VarFlag | R Vmag | H | |||||
RAdeg | 54.0159 | DEdeg | 63.2881 | AstroRef | Plx | 1.3 | |||||
CCDM | 03361+6317 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 21971 | BD | BD+62 582 | ||||||
CD | CP | Dm number | +62 582 | VIred | 1.81 | ||||||
SpType | K4III | R SpType | Coord arcsec 2000 | 033603.81+631717.2 |
HIP | 16789 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.94275476 | DErad | 1.1045861124 | Plx | 0.55 | PmRA | 5.38 | ||||
PmDE | -0.21 | E RArad | 0.5 | E DErad | 0.62 | E Plx | 0.92 | ||||
E pmRA | 0.65 | E pmDE | 0.75 | Hpmag | 7.4303 | E Hpmag | 0.0011 | ||||
SHp | 0.013 | VA | 0 | BV | 1.726 | E BV | 0.014 | ||||
VI | 1.75 |
Ccdm | 03361+6317 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.12 | DDEs | 17.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.7 | Sp | K0 | PmNote | * | ||||
PmRA | 12 | PmDE | 7 | Dm number | +62 582 | Cat1 | BD | ||||
Name2 | +63 271 | Cat2 | AGK2/3 | HD | 21971 | M HD | |||||
ADS BDS | A 2617 | M ADS BDS | N IDS | IDS | 03274N6257A | ||||||
HIC | 16789 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 033604.02+631705.6 | Mag | 10.49 | PmRA | -2.00 | ||||
PmDE | 4.0 | Calc delta mag | 2.91 | Calc coord | yes |
Ccdm | 03361+6317 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF 402 | DRAs | DDEs | |||||||
R dRAs | Year | 1902 | Theta | 161 | Rho | 12.5 | |||||
Obs | 3 | Vmag | 10.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2617 | M ADS BDS | N | N IDS | IDS | 03274N6257B | |||||
HIC |