Coord 2000 | 18300+0111 | Discov num | STF2321 | Comp | Coord arcsec 2000 | 18 29 57.66 +01 10 53.6 | |||||
Date first | 1830 | Date last | 2018 | Obs | 42 | ||||||
Pa first | 191 | Pa last | 190.5 | P.A. Now (θ) | 190.5° | ||||||
Sep first | 6.7 | Sep last | 6.67 | Sep. Now (ρ) | 6.67" | ||||||
Mag pri | 8.49 | Mag sec | 9.61 | delta mag (ΔM) | 1.12 | Spectral class | A0 (white) | ||||
Pri motion ra | -005 | Sec motion ra | -005 | ||||||||
Pri motion dec | -012 | Sec motion dec | -012 | ||||||||
Notes | T (Parallax indicates physical) |
Name | HD 170545 | Constellation | Serpens | SAO | 123565 | Tycho2 | 0433-00235-1 | ||||
Gaia DR2 | 4273718963213323520 | HD | 170545 | GC | 25246 |
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 |
18300+0111 | STF2321 | 2006 | 33 | 191 | 6.7 | 8.49 | 9.61 | A0 | D | 182957.66+011053.6 | |
18300+0111 | STF2321 | 2009 | 34 | 190 | 6.4 | 8.49 | 9.61 | A0 | D | 182957.66+011053.6 | |
18300+0111 | STF2321 | 2010 | 36 | 191 | 5.7 | 8.49 | 9.61 | A0 | 182957.66+011053.6 | ||
18300+0111 | STF2321 | 2017 | 37 | 191 | 6.7 | 8.49 | 9.61 | A0 | 182957.66+011053.6 | ||
18300+0111 | STF2321 | 2018 | 39 | 191 | 6.7 | 8.49 | 9.61 | A0 | 182957.66+011053.6 |
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=190.5° sep=6.67" |
Componente originario normalizzato | AB | Name | HD 170545 | Coord arcsec 2000 | 182957.66+011053.6 | Mag | 8.49 | ||||
Spectral class | A0 (white) | PmRA | -5.00 | PmDE | -12.0 | SAO | 123565 | ||||
Tycho2 | 0433-00235-1 | HD | 170545 | GC | 25246 | DM | BD+01 3689 |
Tycho2 | 0433-00235-1 | Pflag | RAmdeg | 277.49024579 | DEmdeg | 1.18155004 | |||||
PmRA | -3.4 | PmDE | -12.7 | E RAmdeg | 7 | E DEmdeg | 8 | ||||
E pmRA | 1.8 | E pmDE | 1.7 | EpRAm | 1991.70 | EpDEm | 1991.51 | ||||
Num | 3 | Q RAmdeg | 1.0 | Q DEmdeg | 0.9 | Q pmRA | 0.9 | ||||
Q pmDE | 0.9 | BTmag | 8.657 | E BTmag | 0.018 | VTmag | 8.490 | ||||
E VTmag | 0.016 | Prox | 67 | TYC | T | HIP | |||||
CCDM | RAdeg | 277.49025389 | DEdeg | 1.18157917 | EpRA 1990 | 1.88 | |||||
EpDE 1990 | 1.77 | E RAdeg | 7.3 | E DEdeg | 8.4 | Posflg | |||||
Corr | -0.1 |
SAO | 123565 | DelFlag | RA1950 | PmRA1950 | -0.0002 | ||||||
DE1950 | PmDE1950 | -0.011 | Vmag | 8 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 25246 | DM | BD+01 3689 | |||||
DMcomp | A | BDsup | HD | 170545 | M HD | 0 | |||||
GC | 25246 | RA1950rad | 4.83203454 | DE1950rad | 0.02001724 | PmRA2000 | 0 | ||||
PmDE2000 | -0.011 |
Ccdm | 18300+0111 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.34 | DDEs | -6.1 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.2 | Sp | A0 | PmNote | * | ||||
PmRA | -5 | PmDE | -7 | Dm number | +01 3689 | Cat1 | BD | ||||
Name2 | +01 2136 | Cat2 | AGK2/3 | HD | 170545 | M HD | |||||
ADS BDS | A11396 | M ADS BDS | N IDS | IDS | 18249N0107A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 182957.58+011047.0 | Mag | 9.61 | PmRA | -5.00 | ||||
PmDE | -12.0 | Tycho2 | 0433-00597-1 | Calc delta mag | 1.12 | Calc coord | yes |
Tycho2 | 0433-00597-1 | Pflag | RAmdeg | 277.48991520 | DEmdeg | 1.17974603 | |||||
PmRA | -1.8 | PmDE | -7.3 | E RAmdeg | 17 | E DEmdeg | 20 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1989.57 | EpDEm | 1988.15 | ||||
Num | 7 | Q RAmdeg | 0.3 | Q DEmdeg | 1.0 | Q pmRA | 0.3 | ||||
Q pmDE | 1.0 | BTmag | 9.872 | E BTmag | 0.032 | VTmag | 9.608 | ||||
E VTmag | 0.031 | Prox | 67 | TYC | T | HIP | |||||
CCDM | RAdeg | 277.48991917 | DEdeg | 1.17976222 | EpRA 1990 | 1.87 | |||||
EpDE 1990 | 1.75 | E RAdeg | 17.0 | E DEdeg | 21.3 | Posflg | |||||
Corr | 0.0 |
Ccdm | 18300+0111 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2321 | DRAs | -2.42 | DDEs | -12.7 | |||||
R dRAs | 91 | Year | 1830 | Theta | 190 | Rho | 6.8 | ||||
Obs | 14 | Vmag | 9.8 | Sp | PmNote | * | |||||
PmRA | -5 | PmDE | -7 | Dm number | Cat1 | ||||||
Name2 | +01 2135 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A11396 | M ADS BDS | N IDS | IDS | 18249N0107B | ||||||
HIC |