Coord 2000 | 20228+5325 | Discov num | STF2681 | Comp | AC | Coord arcsec 2000 | 20 22 49.54 +53 25 02.8 | ||||
Date first | 1831 | Date last | 2015 | Obs | 31 | ||||||
Pa first | 204 | Pa last | 198.9 | P.A. Now (θ) | 198.9° | ||||||
Sep first | 41.8 | Sep last | 38.208 | Sep. Now (ρ) | 38.208" | ||||||
Mag pri | 7.97 | Mag sec | 8.89 | delta mag (ΔM) | 0.92 | Spectral class | A0V (white) | ||||
Pri motion ra | +013 | Sec motion ra | +031 | ||||||||
Pri motion dec | +018 | Sec motion dec | +031 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 194354 | 32516 | 20 22 50 +53 25 03 | STF 2681 AB | 2015 | 25 | 39 | 6.8 | 7.97 | 10.61 | 2.64 | ||
Show | 32516 | 20 22 50 +53 25 03 | STF 2681 AC | 2015 | 31 | 199 | 38.2 | 7.97 | 8.89 | 0.92 | <=== | ||
Show | 32516 | 20 22 50 +53 25 03 | STF 2681 AD | 2015 | 15 | 166 | 42.0 | 7.97 | 11.80 | 3.83 | |||
Show | 32515 | 20 22 48 +53 24 26 | STF 2681 CD | 2015 | 22 | 101 | 23.3 | 8.89 | 11.80 | 2.91 |
Constellation | Cygnus | SAO | 32516 | HIP | 100507 | Tycho2 | 3937-00396-1 | ||||
Gaia DR2 | 2184841484003227136 | HD | 194354 | BD | BD+52 2694 | Distance | 448.43 | ||||
Distance ly | 1462.78 |
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 |
20228+5325 | STF2681 | AC | 2002 | 21 | 199 | 38.5 | 7.97 | 8.89 | A0V | D | 202249.54+532502.8 |
20228+5325 | STF2681 | AC | 2003 | 23 | 199 | 38.4 | 7.97 | 8.89 | A0V | D | 202249.54+532502.8 |
20228+5325 | STF2681 | AC | 2012 | 24 | 199 | 38.5 | 7.97 | 8.89 | A0V | D | 202249.54+532502.8 |
20228+5325 | STF2681 | AC | 2013 | 27 | 199 | 38.5 | 7.97 | 8.89 | A0V | 202249.54+532502.8 | |
20228+5325 | STF2681 | AC | 2015 | 27 | 199 | 38.2 | 7.97 | 8.89 | A0V | 202249.54+532502.8 |
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 | C | |
B | pa=25.8° sep=5.87" | ||
C | pa=199.1° sep=38.43" | pa=200.0° sep=44.26" | |
D | pa=171.3° sep=41.20" | pa=175.4° sep=46.16" | pa=103.2° sep=19.35" |
Name | HD 194354 | Coord arcsec 2000 | 202249.54+532502.8 | Mag | 7.97 | Spectral class | A0V (white) | ||||
PmRA | 13.00 | PmDE | 18.0 | SAO | 32516 | HIP | 100507 | ||||
Tycho2 | 3937-00396-1 | HD | 194354 | GC | 28369 | BD | BD+52 2694 |
Tycho2 | 3937-00396-1 | Pflag | RAmdeg | 305.70647349 | DEmdeg | 53.41749802 | |||||
PmRA | 13.3 | PmDE | 16.3 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.6 | E pmDE | 1.7 | EpRAm | 1991.52 | EpDEm | 1991.54 | ||||
Num | 6 | Q RAmdeg | 0.8 | Q DEmdeg | 0.4 | Q pmRA | 0.9 | ||||
Q pmDE | 0.5 | BTmag | 7.991 | E BTmag | 0.016 | VTmag | 7.970 | ||||
E VTmag | 0.012 | Prox | 68 | TYC | T | HIP | 100507 | ||||
CCDM | A | RAdeg | 305.70642167 | DEdeg | 53.41746028 | EpRA 1990 | 1.67 | ||||
EpDE 1990 | 1.67 | E RAdeg | 4.9 | E DEdeg | 5.4 | Posflg | |||||
Corr | 0.1 |
SAO | 32516 | DelFlag | RA1950 | PmRA1950 | 0.0011 | ||||||
DE1950 | PmDE1950 | 0.04 | Vmag | 7.7 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 28369 | DM | BD+52 2694 | |||||
DMcomp | BDsup | HD | 194354 | M HD | 0 | ||||||
GC | 28369 | RA1950rad | 5.32970428 | DE1950rad | 0.92948809 | PmRA2000 | 0.0015 | ||||
PmDE2000 | 0.038 |
Catalog | H | HIP | 100507 | Proxy | H | RAhms | 20 22 49.54 | ||||
DEdms | +53 25 02.8 | Vmag | 7.92 | VarFlag | R Vmag | H | |||||
RAdeg | 305.706 | DEdeg | 53.4175 | AstroRef | A | Plx | 2.52 | ||||
CCDM | 20228+5325 | N CCDM | I | Nsys | 2 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 39 | Rho | 6.812 | HD | 194354 | BD | BD+52 2694 | ||||
CD | CP | Dm number | +52 2694 | VIred | 0.06 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 202249.54+532502.8 |
HIP | 100507 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.3355835085 | DErad | 0.9323105156 | Plx | 2.23 | PmRA | 10.63 | ||||
PmDE | 17.7 | E RArad | 0.48 | E DErad | 0.48 | E Plx | 0.56 | ||||
E pmRA | 0.66 | E pmDE | 0.56 | Hpmag | 7.9372 | E Hpmag | 0.0016 | ||||
SHp | 0.013 | VA | 0 | BV | 0.032 | E BV | 0.015 | ||||
VI | 0.05 |
Ccdm | 20228+5325 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.50 | DDEs | 5.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 4 | Vmag | 7.7 | Sp | A0 | PmNote | * | ||||
PmRA | 9 | PmDE | 40 | Dm number | +52 2694 | Cat1 | BD | ||||
Name2 | 32516 | Cat2 | SAO | HD | 194354 | M HD | |||||
ADS BDS | A13795 | M ADS BDS | N IDS | IDS | 20201N5306A | ||||||
HIC | 100507 |
Coord arcsec 2000 | 202249.83+532508.1 | Mag | 10.61 | PmRA | 10.00 | PmDE | 18.0 | ||||
Calc delta mag | 2.64 | Calc coord | yes |
Ccdm | 20228+5325 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2681 | DRAs | DDEs | |||||||
R dRAs | Year | 1831 | Theta | 040 | Rho | 6.7 | |||||
Obs | 8 | Vmag | 11.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A13795 | M ADS BDS | N IDS | IDS | 20201N5306B | ||||||
HIC | 100507 |
Coord arcsec 2000 | 202248.13+532426.5 | Coord calc | 202248.13+532426.5 | Mag | 8.89 | Spectral class | A3 (white) | ||||
PmRA | 31.00 | PmDE | 31.0 | SAO | 32515 | HIP | 100505 | ||||
Tycho2 | 3937-01761-1 | HD | 235207 | BD | BD+52 2693 | Calc delta mag | 0.92 |
Tycho2 | 3937-01761-1 | Pflag | RAmdeg | 305.70056314 | DEmdeg | 53.40738868 | |||||
PmRA | 32.0 | PmDE | 31.7 | E RAmdeg | 9 | E DEmdeg | 11 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1990.54 | EpDEm | 1990.08 | ||||
Num | 9 | Q RAmdeg | 1.0 | Q DEmdeg | 0.8 | Q pmRA | 1.1 | ||||
Q pmDE | 0.9 | BTmag | 9.257 | E BTmag | 0.020 | VTmag | 8.892 | ||||
E VTmag | 0.017 | Prox | 387 | TYC | T | HIP | 100505 | ||||
CCDM | RAdeg | 305.70044000 | DEdeg | 53.40731500 | EpRA 1990 | 1.70 | |||||
EpDE 1990 | 1.70 | E RAdeg | 8.9 | E DEdeg | 10.8 | Posflg | |||||
Corr | 0.0 |
SAO | 32515 | DelFlag | RA1950 | PmRA1950 | 0.0032 | ||||||
DE1950 | PmDE1950 | 0.035 | Vmag | 8.4 | SpType | A3 | |||||
Double code | Source | 37 | CatNum | 6530 | DM | BD+52 2693 | |||||
DMcomp | BDsup | HD | 235207 | M HD | 0 | ||||||
GC | RA1950rad | 5.32959479 | DE1950rad | 0.92930397 | PmRA2000 | 0.0036 | |||||
PmDE2000 | 0.033 |
Catalog | H | HIP | 100505 | Proxy | RAhms | 20 22 48.10 | |||||
DEdms | +53 24 26.3 | Vmag | 8.92 | VarFlag | 1 | R Vmag | H | ||||
RAdeg | 305.7 | DEdeg | 53.4073 | AstroRef | Plx | 6.94 | |||||
CCDM | 20228+5325 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 235207 | BD | BD+52 2693 | ||||||
CD | CP | Dm number | +52 2693 | VIred | 0.52 | ||||||
SpType | A3 | R SpType | Coord arcsec 2000 | 202248.10+532426.3 |
HIP | 100505 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.3354791158 | DErad | 0.9321334519 | Plx | 7.17 | PmRA | 31.01 | ||||
PmDE | 31.41 | E RArad | 0.92 | E DErad | 0.91 | E Plx | 1.04 | ||||
E pmRA | 1.19 | E pmDE | 1.04 | Hpmag | 9.0009 | E Hpmag | 0.0026 | ||||
SHp | 0.026 | VA | 0 | BV | 0.343 | E BV | 0.031 | ||||
VI | 0.4 |
Ccdm | 20228+5325 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF2681 | DRAs | 0.15 | DDEs | -32.6 | |||||
R dRAs | 10 | Year | 1949 | Theta | 201 | Rho | 39.6 | ||||
Obs | 9 | Vmag | 8.8 | Sp | A3 | PmNote | * | ||||
PmRA | 30 | PmDE | 45 | Dm number | +52 2693 | Cat1 | BD | ||||
Name2 | +53 1308 | Cat2 | AGK2/3 | HD | 235207 | M HD | |||||
ADS BDS | A13795 | M ADS BDS | N IDS | IDS | 20201N5306C | ||||||
HIC | 100505 |
Coord arcsec 2000 | 202250.24+532422.1 | Mag | 11.8 | PmRA | 36.00 | PmDE | 31.0 | ||||
Calc delta mag | 3.83 | Calc coord | yes |
Ccdm | 20228+5325 | RComp | Comp | D | Note1 | ||||||
Note2 | Discov num | STF2681 | DRAs | DDEs | |||||||
R dRAs | Year | 1913 | Theta | 170 | Rho | 42.9 | |||||
Obs | 3 | Vmag | 11.4 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A13795 | M ADS BDS | N IDS | IDS | 20201N5306D | ||||||
HIC |