Coord 2000 | 20093+3529 | Discov num | STF2639 | Comp | AB | Coord arcsec 2000 | 20 09 14.32 +35 29 01.9 | ||||
Date first | 1825 | Date last | 2018 | Obs | 57 | ||||||
Pa first | 303 | Pa last | 301.1 | P.A. Now (θ) | 301.1° | ||||||
Sep first | 5.4 | Sep last | 5.783 | Sep. Now (ρ) | 5.783" | ||||||
Mag pri | 7.78 | Mag sec | 8.67 | delta mag (ΔM) | 0.89 | Spectral class | B0.5IV (blue-white) | ||||
Pri motion ra | -003 | Sec motion ra | +005 | ||||||||
Pri motion dec | -005 | Sec motion dec | -016 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 191566 | 69512 | 20 09 14 +35 29 02 | STF 2639 AB | 2018 | 57 | 301 | 5.8 | 7.78 | 8.67 | 0.89 | <=== | |
Show | 69512 | 20 09 14 +35 29 02 | SEI 923 AC | 2016 | 13 | 93 | 37.4 | 7.78 | 11.26 | 3.48 | |||
Show | 20 09 17 +35 28 60 | SEI 924 CD | 2016 | 16 | 207 | 27.8 | 11.26 | 11.61 | 0.35 |
Name | HD 191566 | Constellation | Cygnus | SAO | 69512 | HIP | 99283 | ||||
Tycho2 | 2679-00447-1 | Gaia DR2 | 2058844907537751680 | HD | 191566 | GC | 27973 | ||||
BD | BD+35 3994 | Distance | 387.6 | Distance ly | 1264.35 |
refcode | metd | author | reference |
Sei1908 | Pa - | Scheiner, J. | 1908POPot..59.....S |
Sei1908 | +Po | Pub. Obs. Potsdam 20, #59, 1908 | |
Sei1913A | Pa - | Scheiner, J. | 1913QB811.B8....... |
Sei1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
Sei1932A | Pa - | Scheiner, J. | 1932QB821.A43...... |
Sei1932A | cited in ADS (Aitken Double Star Cat.), 1932 | ||
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 |
20093+3529 | STF2639 | AB | 2007 | 48 | 302 | 5.9 | 7.78 | 8.67 | B0.5IV | D | 200914.32+352901.9 |
20093+3529 | STF2639 | AB | 2012 | 51 | 301 | 5.7 | 7.78 | 8.67 | B0.5IV | D | 200914.32+352901.9 |
20093+3529 | STF2639 | AB | 2016 | 53 | 300 | 5.5 | 7.78 | 8.67 | B0.5IV | 200914.32+352901.9 | |
20093+3529 | STF2639 | AB | 2018 | 55 | 302 | 5.8 | 7.78 | 8.67 | B0.5IV | 200914.32+352901.9 |
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 | C | |
B | pa=306.5° sep=5.02" | ||
C | pa=93.0° sep=38.04" | pa=96.8° sep=42.31" | |
D | pa=134.0° sep=38.49" | pa=133.2° sep=43.47" | pa=202.6° sep=26.81" |
Name | HD 191566 | Coord arcsec 2000 | 200914.32+352901.9 | Mag | 7.78 | Spectral class | B0.5IV (blue-white) | ||||
PmRA | -3.00 | PmDE | -5.0 | SAO | 69512 | HIP | 99283 | ||||
Tycho2 | 2679-00447-1 | HD | 191566 | GC | 27973 | BD | BD+35 3994 |
Tycho2 | 2679-00447-1 | Pflag | RAmdeg | 302.30966579 | DEmdeg | 35.48385943 | |||||
PmRA | -5.5 | PmDE | -5.1 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 1.4 | E pmDE | 1.5 | EpRAm | 1991.31 | EpDEm | 1991.62 | ||||
Num | 10 | Q RAmdeg | 1.8 | Q DEmdeg | 1.6 | Q pmRA | 1.9 | ||||
Q pmDE | 1.6 | BTmag | 7.902 | E BTmag | 0.015 | VTmag | 7.783 | ||||
E VTmag | 0.012 | Prox | 58 | TYC | T | HIP | 99283 | ||||
CCDM | A | RAdeg | 302.30968167 | DEdeg | 35.48387111 | EpRA 1990 | 1.58 | ||||
EpDE 1990 | 1.79 | E RAdeg | 5.6 | E DEdeg | 4.8 | Posflg | |||||
Corr | -0.2 |
SAO | 69512 | DelFlag | RA1950 | PmRA1950 | 0.0005 | ||||||
DE1950 | PmDE1950 | 0.005 | Vmag | 7.5 | SpType | B3p | |||||
Double code | Source | 70 | CatNum | 27973 | DM | BD+35 3994 | |||||
DMcomp | BDsup | HD | 191566 | M HD | 0 | ||||||
GC | 27973 | RA1950rad | 5.26804432 | DE1950rad | 0.61673395 | PmRA2000 | 0.0008 | ||||
PmDE2000 | 0.003 |
Catalog | H | HIP | 99283 | Proxy | H | RAhms | 20 09 14.32 | ||||
DEdms | +35 29 01.9 | Vmag | 7.38 | VarFlag | R Vmag | H | |||||
RAdeg | 302.31 | DEdeg | 35.4839 | AstroRef | A | Plx | 1.5 | ||||
CCDM | 20092+3529 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 301 | Rho | 5.746 | HD | 191566 | BD | BD+35 3994 | ||||
CD | CP | Dm number | +35 3994 | VIred | 0.18 | ||||||
SpType | B0.5IV | R SpType | Coord arcsec 2000 | 200914.32+352901.9 |
HIP | 99283 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.2762991893 | DErad | 0.6193103182 | Plx | 2.58 | PmRA | -1.65 | ||||
PmDE | -7.37 | E RArad | 0.66 | E DErad | 0.72 | E Plx | 0.94 | ||||
E pmRA | 0.82 | E pmDE | 0.97 | Hpmag | 7.4214 | E Hpmag | 0.0013 | ||||
SHp | 0.014 | VA | 0 | BV | 0.126 | E BV | 0.01 | ||||
VI | 0.14 |
Coord arcsec 2000 | 200913.99+352904.9 | Mag | 8.67 | PmRA | 5.00 | PmDE | -16.0 | ||||
Calc delta mag | 0.89 | Calc coord | yes |
Coord arcsec 2000 | 200917.43+352859.9 | Coord calc | 200917.43+352859.9 | Mag | 11.26 | PmRA | -2.00 | ||||
PmDE | -7.0 | Calc delta mag | 3.48 |
Coord arcsec 2000 | 200916.59+352835.2 | Mag | 11.61 | PmRA | -3.00 | PmDE | -6.0 | ||||
Calc delta mag | 3.83 | Calc coord | yes |