Coord 2000 | 18031+4828 | Discov num | STF2277 | Comp | AC | Coord arcsec 2000 | 18 03 08.87 +48 27 51.3 | ||||
Date first | 1895 | Date last | 2015 | Obs | 21 | ||||||
Pa first | 284 | Pa last | 297.2 | P.A. Now (θ) | 297.2° | ||||||
Sep first | 88.4 | Sep last | 99.72 | Sep. Now (ρ) | 99.72" | ||||||
Mag pri | 6.25 | Mag sec | 10.19 | delta mag (ΔM) | 3.94 | Spectral class | A2V (white) | ||||
Pri motion ra | +018 | Sec motion ra | -004 | ||||||||
Pri motion dec | +011 | Sec motion dec | +231 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 165358 | 47173 | 18 03 09 +48 27 51 | STF 2277 AB | 2018 | 70 | 128 | 26.8 | 6.25 | 8.93 | 2.68 | ||
Show | 47173 | 18 03 09 +48 27 51 | STF 2277 AC | 2015 | 21 | 297 | 99.7 | 6.25 | 10.19 | 3.94 | <=== | ||
Show | 18 03 11 +48 27 35 | STF 2277 BC | 2015 | 21 | 300 | 126.4 | 8.93 | 10.19 | 1.26 |
Constellation | Hercules | SAO | 47173 | HIP | 88415 | Tycho2 | 3528-02120-1 | ||||
Gaia DR2 | 2122719386264539136 | HD | 165358 | HR | 6753 | ADS | 11028 | ||||
BD | BD+48 2627 | Distance | 164.74 | Distance ly | 537.38 |
discov_num | notes | refcode |
STF2277 | Mt. Wilson spectral type of B is G8. |
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 |
18031+4828 | STF2277 | AC | 2003 | 16 | 297 | 97.8 | 6.25 | 10.19 | N D | 180308.87+482751.3 | |
18031+4828 | STF2277 | AC | 2010 | 17 | 299 | 99.7 | 6.25 | 10.19 | N D | 180308.87+482751.3 | |
18031+4828 | STF2277 | AC | 2014 | 19 | 297 | 100.1 | 6.25 | 10.19 | A2V | N | 180308.87+482751.3 |
18031+4828 | STF2277 | AC | 2015 | 21 | 297 | 99.7 | 6.25 | 10.19 | A2V | N | 180308.87+482751.3 |
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 | |
B | pa=126.6° sep=27.01" | |
C | pa=307.8° sep=74.40" | pa=307.5° sep=101.40" |
Name | HD 165358 | Coord arcsec 2000 | 180308.87+482751.3 | Mag | 6.25 | Spectral class | A1V (white) | ||||
PmRA | 18.00 | PmDE | 11.0 | SAO | 47173 | HIP | 88415 | ||||
Tycho2 | 3528-02120-1 | HD | 165358 | HR | 6753 | GC | 24607 | ||||
ADS | 11028 | BD | BD+48 2627 |
Tycho2 | 3528-02120-1 | Pflag | RAmdeg | 270.78703696 | DEmdeg | 48.46426959 | |||||
PmRA | 17.2 | PmDE | 13.9 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.4 | E pmDE | 1.4 | EpRAm | 1991.46 | EpDEm | 1991.54 | ||||
Num | 9 | Q RAmdeg | 1.2 | Q DEmdeg | 0.8 | Q pmRA | 1.1 | ||||
Q pmDE | 0.9 | BTmag | 6.296 | E BTmag | 0.014 | VTmag | 6.248 | ||||
E VTmag | 0.010 | Prox | 268 | TYC | T | HIP | 88415 | ||||
CCDM | A | RAdeg | 270.78697611 | DEdeg | 48.46423750 | EpRA 1990 | 1.58 | ||||
EpDE 1990 | 1.66 | E RAdeg | 3.6 | E DEdeg | 3.6 | Posflg | |||||
Corr | -0.1 |
SAO | 47173 | DelFlag | RA1950 | PmRA1950 | 0.0023 | ||||||
DE1950 | PmDE1950 | 0.014 | Vmag | 6.1 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 24607 | DM | BD+48 2627 | |||||
DMcomp | BDsup | HD | 165358 | M HD | 0 | ||||||
GC | 24607 | RA1950rad | 4.72042255 | DE1950rad | 0.84580547 | PmRA2000 | 0.0029 | ||||
PmDE2000 | 0.015 |
Catalog | H | HIP | 88415 | Proxy | RAhms | 18 03 08.87 | |||||
DEdms | +48 27 51.3 | Vmag | 6.26 | VarFlag | R Vmag | H | |||||
RAdeg | 270.787 | DEdeg | 48.4642 | AstroRef | A | Plx | 6.2 | ||||
CCDM | 18031+4828 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | B | M HIP | |||||
Theta | Rho | HD | 165358 | BD | BD+48 2627 | ||||||
CD | CP | Dm number | +48 2627 | VIred | 0.05 | ||||||
SpType | A2V | R SpType | Coord arcsec 2000 | 180308.87+482751.3 |
HIP | 88415 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.726124281 | DErad | 0.845860498 | Plx | 6.07 | PmRA | 21.61 | ||||
PmDE | 12.49 | E RArad | 0.29 | E DErad | 0.31 | E Plx | 0.33 | ||||
E pmRA | 0.35 | E pmDE | 0.37 | Hpmag | 6.2738 | E Hpmag | 0.0083 | ||||
SHp | 0.008 | VA | 0 | BV | 0.037 | E BV | 0.003 | ||||
VI | 0.05 |
Ccdm | 18031+4828 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.80 | DDEs | -9.8 | ||||||
R dRAs | 70 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 6.3 | Sp | A0 | PmNote | * | ||||
PmRA | 21 | PmDE | 21 | Dm number | +48 2627 | Cat1 | BD | ||||
Name2 | +48 1377 | Cat2 | AGK2/3 | HD | 165358 | M HD | |||||
ADS BDS | A11028 | M ADS BDS | N IDS | IDS | 18005N4828A | ||||||
HIC | 88415 |
Coord arcsec 2000 | 180311.05+482735.2 | Coord calc | 180311.05+482735.2 | Mag | 8.93 | Spectral class | G9III (yellow) | ||||
PmRA | 5.00 | PmDE | -12.0 | HIP | 88420 | Calc delta mag | 2.68 |
Catalog | H | HIP | 88420 | Proxy | RAhms | 18 03 11.04 | |||||
DEdms | +48 27 35.3 | Vmag | 9.04 | VarFlag | R Vmag | H | |||||
RAdeg | 270.796 | DEdeg | 48.4598 | AstroRef | B | Plx | 3.38 | ||||
CCDM | 18031+4828 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | B | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 1.01 | |||||||
SpType | K | R SpType | Coord arcsec 2000 | 180311.04+482735.3 |
HIP | 88420 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.7262819247 | DErad | 0.8457832101 | Plx | -6.81 | PmRA | -14.52 | ||||
PmDE | -9.65 | E RArad | 5.51 | E DErad | 5.55 | E Plx | 6.19 | ||||
E pmRA | 6.24 | E pmDE | 5.96 | Hpmag | 9.0517 | E Hpmag | 0.078 | ||||
SHp | 0 | VA | 0 | BV | 1.041 | E BV | 0.034 | ||||
VI | 1.01 |
Ccdm | 18031+4828 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2277 | DRAs | 4.96 | DDEs | -26.2 | |||||
R dRAs | 70 | Year | 1958 | Theta | 125 | Rho | 27.0 | ||||
Obs | 16 | Vmag | 8.2 | Sp | PmNote | * | |||||
PmRA | 8 | PmDE | -4 | Dm number | Cat1 | ||||||
Name2 | +48 1378 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A11028 | M ADS BDS | N | N IDS | IDS | 18005N4828B | |||||
HIC | 88420 |
Coord arcsec 2000 | 180302.96+482836.9 | Mag | 10.19 | PmRA | -4.00 | PmDE | 231.0 | ||||
Calc delta mag | 3.94 | Calc coord | yes |
Ccdm | 18031+4828 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF2277 | DRAs | -6.04 | DDEs | 29.4 | |||||
R dRAs | 70 | Year | 1959 | Theta | 292 | Rho | 94.0 | ||||
Obs | 6 | Vmag | 9.7 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11028 | M ADS BDS | N IDS | IDS | 18005N4828C | ||||||
HIC |