Coord 2000 | 19069+2745 | Discov num | STF2458 | Comp | AC | Coord arcsec 2000 | 19 06 52.39 +27 45 09.4 | ||||
Date first | 1897 | Date last | 2015 | Obs | 20 | ||||||
Pa first | 63 | Pa last | 61.8 | P.A. Now (θ) | 61.8° | ||||||
Sep first | 71.8 | Sep last | 71.007 | Sep. Now (ρ) | 71.007" | ||||||
Mag pri | 9.71 | Mag sec | 8.55 | delta mag (ΔM) | 1.16 | Spectral class | A0 (white) | ||||
Pri motion ra | +006 | Sec motion ra | +003 | ||||||||
Pri motion dec | -009 | Sec motion dec | +001 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 337517 | 86824 | 19 06 52 +27 45 09 | STF 2458 AB | 2016 | 34 | 227 | 11.3 | 9.71 | 10.39 | 0.68 | ||
Show | 86824 | 19 06 52 +27 45 09 | STF 2458 AC | 2015 | 20 | 62 | 71.0 | 9.71 | 8.55 | 1.16 | <=== | ||
Show | 86825 | 19 06 52 +27 45 02 | STF 2458 BC | 2015 | 17 | 60 | 82.0 | 10.39 | 8.55 | 1.84 |
Constellation | Lyra | SAO | 86824 | Tycho2 | 2130-02269-1 | Gaia DR2 | 2037341964780375552 | ||||
HD | 178308 |
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 |
19069+2745 | STF2458 | AC | 2004 | 13 | 62 | 71.1 | 9.71 | 8.55 | D | 190652.39+274509.4 | |
19069+2745 | STF2458 | AC | 2013 | 15 | 61 | 70.6 | 9.71 | 8.55 | A0 | 190652.39+274509.4 | |
19069+2745 | STF2458 | AC | 2015 | 16 | 62 | 71.0 | 9.71 | 8.55 | A0 | 190652.39+274509.4 |
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. |
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A | B | |
B | pa=226.4° sep=11.17" | |
C | pa=58.8° sep=64.75" | pa=57.0° sep=75.70" |
Name | HD 337517 | Coord arcsec 2000 | 190652.39+274509.4 | Mag | 9.71 | Spectral class | A0 (white) | ||||
PmRA | 4.00 | PmDE | -8.0 | SAO | 86824 | Tycho2 | 2130-02269-1 | ||||
HD | 337517 | GC | 26323 | DM | BD+27 3247 |
Tycho2 | 2130-02269-1 | Pflag | RAmdeg | 286.71833347 | DEmdeg | 27.75262481 | |||||
PmRA | 7.0 | PmDE | -7.5 | E RAmdeg | 14 | E DEmdeg | 12 | ||||
E pmRA | 1.4 | E pmDE | 1.3 | EpRAm | 1990.12 | EpDEm | 1990.47 | ||||
Num | 7 | Q RAmdeg | 0.8 | Q DEmdeg | 0.8 | Q pmRA | 0.8 | ||||
Q pmDE | 0.8 | BTmag | 9.992 | E BTmag | 0.023 | VTmag | 9.714 | ||||
E VTmag | 0.022 | Prox | 113 | TYC | T | HIP | |||||
CCDM | RAdeg | 286.71831472 | DEdeg | 27.75264222 | EpRA 1990 | 1.55 | |||||
EpDE 1990 | 1.69 | E RAdeg | 13.6 | E DEdeg | 11.6 | Posflg | |||||
Corr | 0.2 |
SAO | 86824 | DelFlag | RA1950 | PmRA1950 | 0.0015 | ||||||
DE1950 | PmDE1950 | -0.015 | Vmag | 9.2 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 26323 | DM | BD+27 3247 | |||||
DMcomp | BDsup | HD | 337517 | M HD | 1 | ||||||
GC | 26323 | RA1950rad | 4.99544449 | DE1950rad | 0.48299694 | PmRA2000 | 0.0017 | ||||
PmDE2000 | -0.016 |
Coord arcsec 2000 | 190651.78+274501.7 | Coord calc | 190651.78+274501.7 | Mag | 10.39 | PmRA | 5.00 | ||||
PmDE | -9.0 | Tycho2 | 2130-02668-1 | Calc delta mag | 0.68 |
Tycho2 | 2130-02668-1 | Pflag | RAmdeg | 286.71574632 | DEmdeg | 27.75047006 | |||||
PmRA | 9.7 | PmDE | -12.0 | E RAmdeg | 25 | E DEmdeg | 21 | ||||
E pmRA | 2.2 | E pmDE | 2.1 | EpRAm | 1990.11 | EpDEm | 1990.62 | ||||
Num | 3 | Q RAmdeg | 1.5 | Q DEmdeg | 0.0 | Q pmRA | 1.5 | ||||
Q pmDE | 0.0 | BTmag | 10.790 | E BTmag | 0.038 | VTmag | 10.395 | ||||
E VTmag | 0.036 | Prox | 113 | TYC | T | HIP | |||||
CCDM | RAdeg | 286.71572056 | DEdeg | 27.75049778 | EpRA 1990 | 1.53 | |||||
EpDE 1990 | 1.68 | E RAdeg | 24.8 | E DEdeg | 20.9 | Posflg | |||||
Corr | 0.2 |
Coord arcsec 2000 | 190656.56+274543.0 | Mag | 8.55 | PmRA | 3.00 | PmDE | 1.0 | ||||
SAO | 86825 | Tycho2 | 2130-01902-1 | HD | 178308 | DM | BD+27 3248 | ||||
Calc delta mag | 1.16 | Calc coord | yes |
Tycho2 | 2130-01902-1 | Pflag | RAmdeg | 286.73798488 | DEmdeg | 27.76187463 | |||||
PmRA | 2.7 | PmDE | 1.7 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 1.3 | E pmDE | 1.2 | EpRAm | 1991.15 | EpDEm | 1991.31 | ||||
Num | 9 | Q RAmdeg | 0.8 | Q DEmdeg | 1.0 | Q pmRA | 0.8 | ||||
Q pmDE | 0.9 | BTmag | 8.632 | E BTmag | 0.016 | VTmag | 8.552 | ||||
E VTmag | 0.012 | Prox | 709 | TYC | T | HIP | |||||
CCDM | RAdeg | 286.73797750 | DEdeg | 27.76187083 | EpRA 1990 | 1.58 | |||||
EpDE 1990 | 1.66 | E RAdeg | 5.7 | E DEdeg | 5.3 | Posflg | |||||
Corr | 0.1 |
SAO | 86825 | DelFlag | RA1950 | PmRA1950 | 0.0009 | ||||||
DE1950 | PmDE1950 | 0.009 | Vmag | 8.7 | SpType | A0 | |||||
Double code | Source | 34 | CatNum | 9593 | DM | BD+27 3248 | |||||
DMcomp | BDsup | HD | 178308 | M HD | 0 | ||||||
GC | RA1950rad | 4.9957865 | DE1950rad | 0.48315746 | PmRA2000 | 0.0011 | |||||
PmDE2000 | 0.008 |