Coord 2000 | 15303+2739 | Discov num | STF1951 | Comp | Coord arcsec 2000 | 15 30 20.35 +27 39 29.8 | |||||
Date first | 1892 | Date last | 2017 | Obs | 31 | ||||||
Pa first | 310 | Pa last | 292.7 | P.A. Now (θ) | 292.7° | ||||||
Sep first | 11.8 | Sep last | 17.38 | Sep. Now (ρ) | 17.38" | ||||||
Mag pri | 7.89 | Mag sec | 11.88 | delta mag (ΔM) | 3.99 | Spectral class | A0 (white) | ||||
Pri motion ra | +002 | Sec motion ra | -051 | ||||||||
Pri motion dec | +003 | Sec motion dec | -007 | ||||||||
Notes | N (See Notes) |
Name | HD 138305 | Constellation | Corona Borealis | SAO | 83857 | HIP | 75913 | ||||
Tycho2 | 2032-01029-1 | Gaia DR2 | 1270848700828881024 | HD | 138305 | ADS | 9677 | ||||
BD | BD+28 2439 | Distance | 531.91 | Distance ly | 1735.09 |
discov_num | notes | refcode |
STF1951 | HO 394. |
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 |
15303+2739 | STF1951 | 1997 | 18 | 296 | 16.5 | 7.89 | 11.88 | A0 | D | 153020.35+273929.8 | |
15303+2739 | STF1951 | 2009 | 19 | 295 | 17.0 | 7.89 | 11.88 | A0 | D | 153020.35+273929.8 | |
15303+2739 | STF1951 | 2010 | 20 | 294 | 17.0 | 7.89 | 11.88 | A0 | D | 153020.35+273929.8 | |
15303+2739 | STF1951 | 2013 | 22 | 288 | 17.2 | 7.89 | 11.88 | A0 | N | 153020.35+273929.8 | |
15303+2739 | STF1951 | 2014 | 23 | 294 | 17.3 | 7.89 | 11.88 | A0 | N | 153020.35+273929.8 | |
15303+2739 | STF1951 | 2015 | 25 | 294 | 17.3 | 7.89 | 11.88 | A0 | N | 153020.35+273929.8 | |
15303+2739 | STF1951 | 2017 | 31 | 293 | 17.4 | 7.89 | 11.88 | A0 | N | 153020.35+273929.8 |
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=295.3° sep=15.71" |
Componente originario normalizzato | AB | Name | HD 138305 | Coord arcsec 2000 | 153020.35+273929.8 | Mag | 7.89 | ||||
Spectral class | A0 (white) | PmRA | 2.00 | PmDE | 3.0 | SAO | 83857 | ||||
HIP | 75913 | Tycho2 | 2032-01029-1 | HD | 138305 | ADS | 9677 | ||||
BD | BD+28 2439 |
Tycho2 | 2032-01029-1 | Pflag | RAmdeg | 232.58480984 | DEmdeg | 27.65826974 | |||||
PmRA | 3.5 | PmDE | 4.1 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.0 | E pmDE | 1.0 | EpRAm | 1991.30 | EpDEm | 1991.31 | ||||
Num | 15 | Q RAmdeg | 1.5 | Q DEmdeg | 1.2 | Q pmRA | 1.6 | ||||
Q pmDE | 1.3 | BTmag | 8.040 | E BTmag | 0.015 | VTmag | 7.895 | ||||
E VTmag | 0.011 | Prox | 162 | TYC | T | HIP | 75913 | ||||
CCDM | A | RAdeg | 232.58480083 | DEdeg | 27.65826000 | EpRA 1990 | 1.61 | ||||
EpDE 1990 | 1.61 | E RAdeg | 4.4 | E DEdeg | 4.4 | Posflg | |||||
Corr | -0.1 |
SAO | 83857 | DelFlag | RA1950 | PmRA1950 | 0.0026 | ||||||
DE1950 | PmDE1950 | 0.011 | Vmag | 8.1 | SpType | A0 | |||||
Double code | Source | 34 | CatNum | 7227 | DM | BD+28 2439 | |||||
DMcomp | BDsup | HD | 138305 | M HD | 0 | ||||||
GC | RA1950rad | 4.05021346 | DE1950rad | 0.485697 | PmRA2000 | 0.0027 | |||||
PmDE2000 | 0.014 |
Catalog | H | HIP | 75913 | Proxy | RAhms | 15 30 20.35 | |||||
DEdms | +27 39 29.7 | Vmag | 7.89 | VarFlag | R Vmag | H | |||||
RAdeg | 232.585 | DEdeg | 27.6583 | AstroRef | A | Plx | 2.46 | ||||
CCDM | 15303+2740 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | B | M HIP | AB | |||||
Theta | 296 | Rho | 16.247 | HD | 138305 | BD | BD+28 2439 | ||||
CD | CP | Dm number | +28 2439 | VIred | 0.09 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 153020.35+273929.7 |
HIP | 75913 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.0593705378 | DErad | 0.4827276743 | Plx | 1.88 | PmRA | -0.87 | ||||
PmDE | 6.49 | E RArad | 0.71 | E DErad | 0.76 | E Plx | 1.13 | ||||
E pmRA | 0.83 | E pmDE | 0.91 | Hpmag | 7.9435 | E Hpmag | 0.0119 | ||||
SHp | 0.02 | VA | 0 | BV | 0.129 | E BV | 0.009 | ||||
VI | 0.14 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 153019.28+273936.5 | Mag | 11.88 | PmRA | -51.00 | ||||
PmDE | -7.0 | Calc delta mag | 3.99 | Calc coord | yes |