Coord 2000 | 12574+3022 | Discov num | STF1696 | Comp | Coord arcsec 2000 | 12 57 24.25 +30 22 15.5 | |||||
Date first | 1830 | Date last | 2017 | Obs | 50 | ||||||
Pa first | 199 | Pa last | 203.7 | P.A. Now (θ) | 203.7° | ||||||
Sep first | 3.7 | Sep last | 3.651 | Sep. Now (ρ) | 3.651" | ||||||
Mag pri | 9.38 | Mag sec | 9.51 | delta mag (ΔM) | 0.13 | Spectral class | F4 (yellow-white) | ||||
Pri motion ra | -017 | Sec motion ra | -020 | ||||||||
Pri motion dec | +002 | Sec motion dec | -006 | ||||||||
Notes |
Name | HD 112571 | Constellation | Coma Berenices | SAO | 63265 | HIP | 63231 | ||||
Tycho2 | 2532-00569-1 | Gaia DR2 | 1465371514874317440 | HD | 112571 | GC | 17587 | ||||
ADS | 8716 | BD | BD+31 2425 | Distance | 197.24 | Distance ly | 643.4 |
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 |
12574+3022 | STF1696 | 2005 | 41 | 204 | 3.6 | 9.38 | 9.51 | F4 | D | 125724.25+302215.5 | |
12574+3022 | STF1696 | 2010 | 42 | 204 | 3.6 | 9.38 | 9.51 | F4 | D | 125724.25+302215.5 | |
12574+3022 | STF1696 | 2011 | 44 | 204 | 3.7 | 9.38 | 9.51 | F4 | D | 125724.25+302215.5 | |
12574+3022 | STF1696 | 2013 | 44 | 204 | 3.6 | 9.38 | 9.51 | F4 | D | 125724.25+302215.5 | |
12574+3022 | STF1696 | 2014 | 45 | 203 | 3.5 | 9.38 | 9.51 | F4 | D | 125724.25+302215.5 | |
12574+3022 | STF1696 | 2017 | 47 | 204 | 3.7 | 9.38 | 9.51 | F4 | 125724.25+302215.5 |
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 | pa=200.7° sep=3.57" |
Componente originario normalizzato | AB | Name | HD 112571 | Coord arcsec 2000 | 125724.25+302215.5 | Mag | 9.38 | ||||
Spectral class | F4 (yellow-white) | PmRA | -17.00 | PmDE | 2.0 | SAO | 63265 | ||||
HIP | 63231 | Tycho2 | 2532-00569-1 | HD | 112571 | GC | 17587 | ||||
ADS | 8716 | BD | BD+31 2425 |
Tycho2 | 2532-00569-1 | Pflag | X | RAmdeg | DEmdeg | ||||||
PmRA | PmDE | E RAmdeg | E DEmdeg | ||||||||
E pmRA | E pmDE | EpRAm | EpDEm | ||||||||
Num | Q RAmdeg | Q DEmdeg | Q pmRA | ||||||||
Q pmDE | BTmag | 9.805 | E BTmag | 0.027 | VTmag | 9.382 | |||||
E VTmag | 0.023 | Prox | 36 | TYC | T | HIP | 63231 | ||||
CCDM | A | RAdeg | 194.35103944 | DEdeg | 30.37096722 | EpRA 1990 | 1.74 | ||||
EpDE 1990 | 1.65 | E RAdeg | 14.1 | E DEdeg | 15.4 | Posflg | D | ||||
Corr | 0.3 |
SAO | 63265 | DelFlag | RA1950 | PmRA1950 | -0.002 | ||||||
DE1950 | PmDE1950 | -0.016 | Vmag | 8.3 | SpType | F8 | |||||
Double code | Source | 70 | CatNum | 17587 | DM | BD+31 2425 | |||||
DMcomp | BDsup | HD | 112571 | M HD | 0 | ||||||
GC | 17587 | RA1950rad | 3.38157912 | DE1950rad | 0.53477924 | PmRA2000 | -0.0019 | ||||
PmDE2000 | -0.011 |
Catalog | H | HIP | 63231 | Proxy | H | RAhms | 12 57 24.25 | ||||
DEdms | +30 22 15.5 | Vmag | 8.65 | VarFlag | R Vmag | G | |||||
RAdeg | 194.351 | DEdeg | 30.371 | AstroRef | A | Plx | 2.96 | ||||
CCDM | 12574+3022 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 204 | Rho | 3.625 | HD | 112571 | BD | BD+31 2425 | ||||
CD | CP | Dm number | +31 2425 | VIred | 0.46 | ||||||
SpType | F5V | R SpType | Coord arcsec 2000 | 125724.25+302215.5 |
HIP | 63231 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 3.3920656136 | DErad | 0.5300733417 | Plx | 5.07 | PmRA | -18.05 | ||||
PmDE | -8.27 | E RArad | 1.35 | E DErad | 1.01 | E Plx | 1.52 | ||||
E pmRA | 1.96 | E pmDE | 1.24 | Hpmag | 8.7243 | E Hpmag | 0.0025 | ||||
SHp | 0.023 | VA | 0 | BV | 0.394 | E BV | 0.02 | ||||
VI | 0.46 |
Ccdm | 12574+3022 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.17 | DDEs | 13.6 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.0 | Sp | F8 | PmNote | * | ||||
PmRA | -26 | PmDE | -15 | Dm number | +31 2425 | Cat1 | BD | ||||
Name2 | 63265 | Cat2 | SAO | HD | 112571 | M HD | |||||
ADS BDS | A 8716 | M ADS BDS | N IDS | IDS | 12526N3055A | ||||||
HIC | 63231 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 125724.15+302212.2 | Mag | 9.51 | PmRA | -20.00 | ||||
PmDE | -6.0 | Tycho2 | 2532-00569-2 | Calc delta mag | 0.13 | Calc coord | yes |
Tycho2 | 2532-00569-2 | Pflag | RAmdeg | 194.35052149 | DEmdeg | 30.37003574 | |||||
PmRA | -19.2 | PmDE | -3.2 | E RAmdeg | 16 | E DEmdeg | 17 | ||||
E pmRA | 3.1 | E pmDE | 2.7 | EpRAm | 1991.39 | EpDEm | 1991.14 | ||||
Num | 3 | Q RAmdeg | 0.1 | Q DEmdeg | 0.8 | Q pmRA | 0.0 | ||||
Q pmDE | 0.8 | BTmag | 9.932 | E BTmag | 0.029 | VTmag | 9.513 | ||||
E VTmag | 0.026 | Prox | 36 | TYC | T | HIP | 63231 | ||||
CCDM | B | RAdeg | 194.35057250 | DEdeg | 30.37004306 | EpRA 1990 | 1.73 | ||||
EpDE 1990 | 1.64 | E RAdeg | 15.9 | E DEdeg | 17.4 | Posflg | D | ||||
Corr | 0.3 |
Ccdm | 12574+3022 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1696 | DRAs | DDEs | |||||||
R dRAs | Year | 1832 | Theta | 203 | Rho | 3.7 | |||||
Obs | 13 | Vmag | 9.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 8716 | M ADS BDS | N IDS | IDS | 12526N3055B | ||||||
HIC | 63231 |