Coord 2000 | 12207+2255 | Discov num | STF1634 | Comp | Coord arcsec 2000 | 12 20 42.06 +22 54 51.8 | |||||
Date first | 1830 | Date last | 2020 | Obs | 40 | ||||||
Pa first | 149 | Pa last | 147.5 | P.A. Now (θ) | 147.5° | ||||||
Sep first | 5.2 | Sep last | 5.31 | Sep. Now (ρ) | 5.31" | ||||||
Mag pri | 8.77 | Mag sec | 9.90 | delta mag (ΔM) | 1.13 | Spectral class | G5 (yellow) | ||||
Pri motion ra | -072 | Sec motion ra | -072 | ||||||||
Pri motion dec | -029 | Sec motion dec | -028 | ||||||||
Notes |
Name | HD 107400 | Constellation | Coma Berenices | SAO | 82255 | HIP | 60200 | ||||
Tycho2 | 1989-01741-1 | Gaia DR2 | 3953888519798487680 | HD | 107400 | GC | 16834 | ||||
BD | BD+23 2451 | Distance | 285.71 | Distance ly | 931.99 |
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 |
12207+2255 | STF1634 | 2008 | 25 | 148 | 5.4 | 8.77 | 9.90 | G5 | D | 122042.06+225451.8 | |
12207+2255 | STF1634 | 2014 | 29 | 147 | 5.1 | 8.77 | 9.90 | G5 | 122042.06+225451.8 | ||
12207+2255 | STF1634 | 2017 | 32 | 147 | 5.4 | 8.77 | 9.90 | G5 | 122042.06+225451.8 | ||
12207+2255 | STF1634 | 2018 | 37 | 147 | 5.4 | 8.77 | 9.90 | G5 | 122042.06+225451.8 | ||
12207+2255 | STF1634 | 2020 | 38 | 148 | 5.3 | 8.77 | 9.90 | G5 | 122042.06+225451.8 |
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=149.6° sep=5.19" |
Componente originario normalizzato | AB | Name | HD 107400 | Coord arcsec 2000 | 122042.06+225451.8 | Mag | 8.77 | ||||
Spectral class | G5 (yellow) | PmRA | -72.00 | PmDE | -29.0 | SAO | 82255 | ||||
HIP | 60200 | Tycho2 | 1989-01741-1 | HD | 107400 | GC | 16834 | ||||
BD | BD+23 2451 |
Tycho2 | 1989-01741-1 | Pflag | RAmdeg | 185.17526108 | DEmdeg | 22.91437543 | |||||
PmRA | -71.4 | PmDE | -28.4 | E RAmdeg | 8 | E DEmdeg | 10 | ||||
E pmRA | 1.0 | E pmDE | 1.0 | EpRAm | 1991.23 | EpDEm | 1990.74 | ||||
Num | 8 | Q RAmdeg | 0.8 | Q DEmdeg | 0.6 | Q pmRA | 0.8 | ||||
Q pmDE | 0.6 | BTmag | 9.409 | E BTmag | 0.020 | VTmag | 8.774 | ||||
E VTmag | 0.015 | Prox | 54 | TYC | T | HIP | 60200 | ||||
CCDM | A | RAdeg | 185.17543528 | DEdeg | 22.91443944 | EpRA 1990 | 1.91 | ||||
EpDE 1990 | 1.87 | E RAdeg | 7.6 | E DEdeg | 9.7 | Posflg | |||||
Corr | 0.2 |
SAO | 82255 | DelFlag | RA1950 | PmRA1950 | -0.0044 | ||||||
DE1950 | PmDE1950 | -0.037 | Vmag | 8.2 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 16834 | DM | BD+23 2451 | |||||
DMcomp | BDsup | HD | 107400 | M HD | 0 | ||||||
GC | 16834 | RA1950rad | 3.2209332 | DE1950rad | 0.40477701 | PmRA2000 | -0.0044 | ||||
PmDE2000 | -0.032 |
Catalog | H | HIP | 60200 | Proxy | H | RAhms | 12 20 42.11 | ||||
DEdms | +22 54 52.0 | Vmag | 8.46 | VarFlag | R Vmag | H | |||||
RAdeg | 185.175 | DEdeg | 22.9144 | AstroRef | A | Plx | 4.88 | ||||
CCDM | 12207+2255 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 147 | Rho | 5.352 | HD | 107400 | BD | BD+23 2451 | ||||
CD | CP | Dm number | +23 2451 | VIred | 0.65 | ||||||
SpType | G5... | R SpType | Coord arcsec 2000 | 122042.11+225452.0 |
HIP | 60200 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 3.2319213607 | DErad | 0.3999324921 | Plx | 3.5 | PmRA | -70.45 | ||||
PmDE | -28.45 | E RArad | 1.4 | E DErad | 0.74 | E Plx | 1.16 | ||||
E pmRA | 1.68 | E pmDE | 0.75 | Hpmag | 8.5849 | E Hpmag | 0.0022 | ||||
SHp | 0.016 | VA | 0 | BV | 0.567 | E BV | 0.022 | ||||
VI | 0.64 |
Ccdm | 12207+2255 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.13 | DDEs | -9.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.4 | Sp | G5 | PmNote | * | ||||
PmRA | -62 | PmDE | -37 | Dm number | +23 2451 | Cat1 | BD | ||||
Name2 | 82255 | Cat2 | SAO | HD | 107400 | M HD | |||||
ADS BDS | A 8520 | M ADS BDS | N IDS | IDS | 12157N2328A | ||||||
HIC | 60200 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 122042.25+225447.3 | Mag | 9.9 | PmRA | -72.00 | ||||
PmDE | -28.0 | Tycho2 | 1989-03228-1 | Calc delta mag | 1.13 | Calc coord | yes |
Tycho2 | 1989-03228-1 | Pflag | RAmdeg | 185.17614625 | DEmdeg | 22.91309483 | |||||
PmRA | -71.2 | PmDE | -30.7 | E RAmdeg | 17 | E DEmdeg | 29 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1989.34 | EpDEm | 1984.48 | ||||
Num | 4 | Q RAmdeg | 1.0 | Q DEmdeg | 0.8 | Q pmRA | 1.0 | ||||
Q pmDE | 0.7 | BTmag | 10.585 | E BTmag | 0.045 | VTmag | 9.897 | ||||
E VTmag | 0.035 | Prox | 54 | TYC | T | HIP | 60200 | ||||
CCDM | B | RAdeg | 185.17631833 | DEdeg | 22.91316417 | EpRA 1990 | 1.98 | ||||
EpDE 1990 | 1.86 | E RAdeg | 16.5 | E DEdeg | 29.5 | Posflg | |||||
Corr | -0.1 |
Ccdm | 12207+2255 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1634 | DRAs | 0.34 | DDEs | -13.4 | |||||
R dRAs | 90 | Year | 1830 | Theta | 148 | Rho | 5.2 | ||||
Obs | 12 | Vmag | 10.2 | Sp | PmNote | ||||||
PmRA | -62 | PmDE | -37 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 8520 | M ADS BDS | N IDS | IDS | 12157N2328B | ||||||
HIC | 60200 |