Coord 2000 | 03293+4503 | Discov num | STF 391 | Comp | Coord arcsec 2000 | 03 29 13.74 +45 02 57.5 | |||||
Date first | 1831 | Date last | 2018 | Obs | 41 | ||||||
Pa first | 95 | Pa last | 95.9 | P.A. Now (θ) | 95.9° | ||||||
Sep first | 3.8 | Sep last | 3.944 | Sep. Now (ρ) | 3.944" | ||||||
Mag pri | 7.60 | Mag sec | 8.32 | delta mag (ΔM) | 0.72 | Spectral class | B2IV (blue-white) | ||||
Pri motion ra | +002 | Sec motion ra | +002 | ||||||||
Pri motion dec | -003 | Sec motion dec | -003 | ||||||||
Notes |
Name | HD 21448 | Constellation | Perseus | SAO | 38873 | HIP | 16235 | ||||
Tycho2 | 3312-01050-1 | Gaia DR2 | 241837891767516672 | HD | 21448 | GC | 4135 | ||||
BD | BD+44 714 | Distance | 1111.11 | Distance ly | 3624.44 |
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 |
03293+4503 | STF 391 | 2007 | 38 | 96 | 4.0 | 7.60 | 8.32 | B2IV | D | 032913.74+450257.5 | |
03293+4503 | STF 391 | 2015 | 40 | 96 | 3.9 | 7.60 | 8.32 | B2IV | 032913.74+450257.5 | ||
03293+4503 | STF 391 | 2018 | 41 | 96 | 3.9 | 7.60 | 8.32 | B2IV | 032913.74+450257.5 |
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=98.3° sep=2.80" |
Componente originario normalizzato | AB | Name | HD 21448 | Coord arcsec 2000 | 032913.74+450257.5 | Mag | 7.6 | ||||
Spectral class | B2IV (blue-white) | PmRA | 2.00 | PmDE | -3.0 | SAO | 38873 | ||||
HIP | 16235 | Tycho2 | 3312-01050-1 | HD | 21448 | GC | 4135 | ||||
BD | BD+44 714 |
Tycho2 | 3312-01050-1 | Pflag | RAmdeg | 52.30726529 | DEmdeg | 45.04931746 | |||||
PmRA | -4.0 | PmDE | -4.0 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 1.6 | E pmDE | 1.7 | EpRAm | 1991.50 | EpDEm | 1991.61 | ||||
Num | 4 | Q RAmdeg | 3.3 | Q DEmdeg | 1.0 | Q pmRA | 3.3 | ||||
Q pmDE | 0.9 | BTmag | 7.575 | E BTmag | 0.016 | VTmag | 7.598 | ||||
E VTmag | 0.012 | Prox | 39 | TYC | T | HIP | 16235 | ||||
CCDM | A | RAdeg | 52.30727861 | DEdeg | 45.04932667 | EpRA 1990 | 1.69 | ||||
EpDE 1990 | 1.72 | E RAdeg | 5.7 | E DEdeg | 5.3 | Posflg | |||||
Corr | -0.3 |
SAO | 38873 | DelFlag | RA1950 | PmRA1950 | 0.0013 | ||||||
DE1950 | PmDE1950 | -0.006 | Vmag | 7.4 | SpType | B3 | |||||
Double code | Source | 70 | CatNum | 4135 | DM | BD+44 714 | |||||
DMcomp | BDsup | HD | 21448 | M HD | 0 | ||||||
GC | 4135 | RA1950rad | 0.89794789 | DE1950rad | 0.78325787 | PmRA2000 | 0.0013 | ||||
PmDE2000 | -0.009 |
Catalog | H | HIP | 16235 | Proxy | H | RAhms | 03 29 13.75 | ||||
DEdms | +45 02 57.6 | Vmag | 7.13 | VarFlag | R Vmag | H | |||||
RAdeg | 52.3073 | DEdeg | 45.0493 | AstroRef | A | Plx | 1.38 | ||||
CCDM | 03292+4503 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 96 | Rho | 3.945 | HD | 21448 | BD | BD+44 714 | ||||
CD | CP | Dm number | +44 714 | VIred | 0.02 | ||||||
SpType | G8III... | R SpType | Coord arcsec 2000 | 032913.75+450257.6 |
HIP | 16235 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 0.912934282 | DErad | 0.7862591 | Plx | 0.9 | PmRA | 1.78 | ||||
PmDE | -2.87 | E RArad | 0.67 | E DErad | 0.59 | E Plx | 0.98 | ||||
E pmRA | 0.92 | E pmDE | 0.89 | Hpmag | 7.2092 | E Hpmag | 0.0015 | ||||
SHp | 0.011 | VA | 0 | BV | 0.28 | E BV | 0.015 | ||||
VI | 0.32 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 032914.00+450257.1 | Mag | 8.32 | PmRA | 2.00 | ||||
PmDE | -3.0 | Calc delta mag | 0.72 | Calc coord | yes |