Coord 2000 | 08465+0419 | Discov num | STF1267 | Comp | Coord arcsec 2000 | 08 46 30.72 +04 19 01.4 | |||||
Date first | 1830 | Date last | 2004 | Obs | 9 | ||||||
Pa first | 61 | Pa last | 61.1 | P.A. Now (θ) | 61.1° | ||||||
Sep first | 12.0 | Sep last | 10.9 | Sep. Now (ρ) | 10.9" | ||||||
Mag pri | 8.23 | Mag sec | 11.50 | delta mag (ΔM) | 3.27 | Spectral class | M (red) | ||||
Pri motion ra | -011 | Sec motion ra | |||||||||
Pri motion dec | -002 | Sec motion dec | |||||||||
Notes |
Name | HD 74848 | Constellation | Hydra | SAO | 117107 | Tycho2 | 0220-01237-1 | ||||
Gaia DR2 | 582233776760764544 | HD | 74848 | ADS | 6990 |
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 |
08465+0419 | STF1267 | 2004 | 9 | 61 | 10.9 | 8.23 | 11.50 | M | D | 084630.72+041901.4 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | |
B | pa=61.0° sep=10.88" |
Componente originario normalizzato | AB | Name | HD 74848 | Coord arcsec 2000 | 084630.72+041901.4 | Mag | 8.23 | ||||
Spectral class | M (red) | PmRA | -11.00 | PmDE | -2.0 | SAO | 117107 | ||||
Tycho2 | 0220-01237-1 | HD | 74848 | ADS | 6990 | DM | BD+04 2039 |
Tycho2 | 0220-01237-1 | Pflag | RAmdeg | 131.62802400 | DEmdeg | 4.31706679 | |||||
PmRA | -10.9 | PmDE | -1.9 | E RAmdeg | 7 | E DEmdeg | 9 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1991.18 | EpDEm | 1990.61 | ||||
Num | 8 | Q RAmdeg | 0.7 | Q DEmdeg | 1.6 | Q pmRA | 0.7 | ||||
Q pmDE | 1.5 | BTmag | 10.136 | E BTmag | 0.029 | VTmag | 8.226 | ||||
E VTmag | 0.013 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 131.62804972 | DEdeg | 4.31707139 | EpRA 1990 | 1.58 | |||||
EpDE 1990 | 1.29 | E RAdeg | 7.0 | E DEdeg | 8.6 | Posflg | |||||
Corr | 0.1 |
SAO | 117107 | DelFlag | RA1950 | PmRA1950 | -0.0023 | ||||||
DE1950 | PmDE1950 | -0.005 | Vmag | 8.2 | SpType | Ma | |||||
Double code | Source | 32 | CatNum | 4790 | DM | BD+04 2039 | |||||
DMcomp | BDsup | HD | 74848 | M HD | 0 | ||||||
GC | RA1950rad | 2.2858821 | DE1950rad | 0.07855466 | PmRA2000 | -0.0021 | |||||
PmDE2000 | -0.002 |
Ccdm | 08465+0419 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.72 | DDEs | 0.7 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.3 | Sp | M1 | PmNote | * | ||||
PmRA | -4 | PmDE | -13 | Dm number | +04 2039 | Cat1 | BD | ||||
Name2 | +04 1228 | Cat2 | AGK2/3 | HD | 74848 | M HD | |||||
ADS BDS | A 6990 | M ADS BDS | N IDS | IDS | 08413N0441A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 084631.36+041906.7 | Mag | 11.5 | Calc delta mag | 3.27 | ||||
Calc coord | yes |
Ccdm | 08465+0419 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1267 | DRAs | DDEs | |||||||
R dRAs | Year | 1905 | Theta | 062 | Rho | 7.5 | |||||
Obs | 4 | Vmag | 11.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 6990 | M ADS BDS | N | N IDS | IDS | 08413N0441B | |||||
HIC |