Coord 2000 | 19498-0355 | Discov num | STF2582 | Comp | Coord arcsec 2000 | 19 49 49.27 -03 55 20.6 | |||||
Date first | 1829 | Date last | 2016 | Obs | 27 | ||||||
Pa first | 265 | Pa last | 258.4 | P.A. Now (θ) | 258.4° | ||||||
Sep first | 2.4 | Sep last | 2.542 | Sep. Now (ρ) | 2.542" | ||||||
Mag pri | 8.67 | Mag sec | 9.93 | delta mag (ΔM) | 1.26 | Spectral class | G5 (yellow) | ||||
Pri motion ra | -001 | Sec motion ra | -001 | ||||||||
Pri motion dec | -010 | Sec motion dec | -010 | ||||||||
Notes |
Name | HD 187381 | Constellation | Aquila | SAO | 143827 | HIP | 97565 | ||||
Tycho2 | 5154-01050-1 | Gaia DR2 | 4233673547136354432 | HD | 187381 | GC | 27440 | ||||
BD | BD-04 4938 | Distance | 377.36 | Distance ly | 1230.95 |
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 |
19498-0355 | STF2582 | 2001 | 23 | 261 | 2.4 | 8.67 | 9.93 | G5 | D | 194949.27-035520.6 | |
19498-0355 | STF2582 | 2016 | 25 | 258 | 2.5 | 8.67 | 9.93 | G5 | 194949.27-035520.6 |
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=258.4° sep=2.54" |
Componente originario normalizzato | AB | Name | HD 187381 | Coord arcsec 2000 | 194949.27-035520.6 | Mag | 8.67 | ||||
Spectral class | G5 (yellow) | PmRA | -1.00 | PmDE | -10.0 | SAO | 143827 | ||||
HIP | 97565 | Tycho2 | 5154-01050-1 | HD | 187381 | GC | 27440 | ||||
BD | BD-04 4938 |
Tycho2 | 5154-01050-1 | Pflag | P | RAmdeg | 297.45528527 | DEmdeg | -3.92237689 | ||||
PmRA | -0.6 | PmDE | -9.8 | E RAmdeg | 12 | E DEmdeg | 15 | ||||
E pmRA | 2.7 | E pmDE | 2.8 | EpRAm | 1991.59 | EpDEm | 1991.23 | ||||
Num | 3 | Q RAmdeg | 0.6 | Q DEmdeg | 1.3 | Q pmRA | 0.6 | ||||
Q pmDE | 1.3 | BTmag | 10.022 | E BTmag | 0.036 | VTmag | 8.668 | ||||
E VTmag | 0.018 | Prox | 24 | TYC | T | HIP | 97565 | ||||
CCDM | A | RAdeg | 297.45553861 | DEdeg | -3.92230972 | EpRA 1990 | 1.79 | ||||
EpDE 1990 | 1.52 | E RAdeg | 11.6 | E DEdeg | 15.1 | Posflg | D | ||||
Corr | -0.1 |
SAO | 143827 | DelFlag | RA1950 | PmRA1950 | -0.0001 | ||||||
DE1950 | PmDE1950 | 0.001 | Vmag | 8.3 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 27440 | DM | BD-04 4938 | |||||
DMcomp | BDsup | HD | 187381 | M HD | 0 | ||||||
GC | 27440 | RA1950rad | 5.18009233 | DE1950rad | -0.07067193 | PmRA2000 | 0.0001 | ||||
PmDE2000 | 0 |
Catalog | H | HIP | 97565 | Proxy | H | RAhms | 19 49 49.33 | ||||
DEdms | -03 55 20.3 | Vmag | 8.26 | VarFlag | R Vmag | H | |||||
RAdeg | 297.456 | DEdeg | -3.92231 | AstroRef | A | Plx | 3.78 | ||||
CCDM | 19498-0355 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 260 | Rho | 2.389 | HD | 187381 | BD | BD-04 4938 | ||||
CD | CP | Dm number | -04 4938 | VIred | 0.91 | ||||||
SpType | G5 | R SpType | Coord arcsec 2000 | 194949.33-035520.3 |
HIP | 97565 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.1915785702 | DErad | -0.0684572892 | Plx | 2.65 | PmRA | 1.78 | ||||
PmDE | -4.63 | E RArad | 1.29 | E DErad | 0.96 | E Plx | 1.52 | ||||
E pmRA | 1.63 | E pmDE | 1.44 | Hpmag | 8.4036 | E Hpmag | 0.0019 | ||||
SHp | 0.01 | VA | 0 | BV | 0.744 | E BV | 0.027 | ||||
VI | 0.79 |
Ccdm | 19498-0355 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.33 | DDEs | -20.2 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.5 | Sp | G5 | PmNote | * | ||||
PmRA | -1 | PmDE | 1 | Dm number | -04 4938 | Cat1 | BD | ||||
Name2 | 143827 | Cat2 | SAO | HD | 187381 | M HD | |||||
ADS BDS | A12984 | M ADS BDS | N IDS | IDS | 19446S0410A | ||||||
HIC | 97565 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 194949.10-035521.1 | Mag | 9.93 | PmRA | -1.00 | ||||
PmDE | -10.0 | Tycho2 | 5154-01050-2 | Calc delta mag | 1.26 | Calc coord | yes |
Tycho2 | 5154-01050-2 | Pflag | P | RAmdeg | 297.45528527 | DEmdeg | -3.92237689 | ||||
PmRA | -0.6 | PmDE | -9.8 | E RAmdeg | 12 | E DEmdeg | 15 | ||||
E pmRA | 2.7 | E pmDE | 2.8 | EpRAm | 1991.59 | EpDEm | 1991.23 | ||||
Num | 3 | Q RAmdeg | 0.6 | Q DEmdeg | 1.3 | Q pmRA | 0.6 | ||||
Q pmDE | 1.3 | BTmag | 10.331 | E BTmag | 0.045 | VTmag | 9.931 | ||||
E VTmag | 0.046 | Prox | 24 | TYC | T | HIP | 97565 | ||||
CCDM | B | RAdeg | 297.45486889 | DEdeg | -3.92242722 | EpRA 1990 | 1.79 | ||||
EpDE 1990 | 1.51 | E RAdeg | 25.8 | E DEdeg | 33.9 | Posflg | D | ||||
Corr | -0.1 |
Ccdm | 19498-0355 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2582 | DRAs | DDEs | |||||||
R dRAs | Year | 1829 | Theta | 260 | Rho | 2.4 | |||||
Obs | 13 | Vmag | 10.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12984 | M ADS BDS | N IDS | IDS | 19446S0410B | ||||||
HIC | 97565 |