Coord 2000 | 12015-0023 | Discov num | STF1591 | Comp | AC | Coord arcsec 2000 | 12 01 27.93 -00 22 43.6 | ||||
Date first | 1831 | Date last | 2017 | Obs | 21 | ||||||
Pa first | 50 | Pa last | 51.6 | P.A. Now (θ) | 51.6° | ||||||
Sep first | 20.0 | Sep last | 23.9 | Sep. Now (ρ) | 23.9" | ||||||
Mag pri | 8.43 | Mag sec | 12.50 | delta mag (ΔM) | 4.07 | Spectral class | K (yellow-orange) | ||||
Pri motion ra | +002 | Sec motion ra | +004 | ||||||||
Pri motion dec | +008 | Sec motion dec | +007 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 104409 | 138542 | 12 01 28 -00 22 44 | STF 1591 AB | 2017 | 45 | 351 | 51.3 | 8.43 | 8.95 | 0.52 | ||
Show | 138542 | 12 01 28 -00 22 44 | STF 1591 AC | 2017 | 21 | 52 | 23.9 | 8.43 | 12.50 | 4.07 | <=== | ||
Show | 138541 | 12 01 27 -00 21 53 | FYM 166 BD | 2016 | 10 | 20 | 14.7 | 8.95 | 16.60 | 7.65 |
Constellation | Virgo | SAO | 138542 | HIP | 58639 | Tycho2 | 4939-00460-1 | ||||
HD | 104409 | BD | BD+00 2878 | Distance | 219.78 | Distance ly | 716.92 |
discov_num | notes | refcode |
STF1591 | STTA115. B is BD+00@2877. |
refcode | metd | author | reference |
FyM2013 | C j | Fay, M. | 2013OED....10...38F |
FyM2013 | El Observador de Estrellas Dobles, Issue #10, 38, 2013 | ||
FyM2013b | C j | Fay, M. | . |
FyM2013b | Il Bollettino Delle Stelle Doppie 5, 10, 2013 | ||
FyM2013c | C j | Fay, M. | . |
FyM2013c | Il Bollettino Delle Stelle Doppie 6, 40, 2013 | ||
FyM2013d | C j | Fay, M. | . |
FyM2013d | Il Bollettino Delle Stelle Doppie 6, 46, 2013 | ||
FyM2014 | C j | Fay, M. | . |
FyM2014 | Il Bollettino Delle Stelle Doppie 9, 36, 2014 | ||
FyM2014 | (Italian translation on page 21 of the same publication) | ||
FyM2014b | C - | Fay, M. | . |
FyM2014b | private communication | ||
FyM2014c | C j | Fay, M. | 2014OED....13...19F |
FyM2014c | El Observador de Estrellas Dobles, Issue #13, 19, 2014 | ||
FyM2015a | C j | Fay, M. | 2015OED....14...48F |
FyM2015a | El Observador de Estrellas Dobles, Issue #14, 48, 2015 | ||
FyM2015b | C j | Fay, M. | 2015OED....15...48F |
FyM2015b | El Observador de Estrellas Dobles, Issue #15, 48, 2015 | ||
FyM2016a | C - | Fay, M. | 2016OED....16...94F |
FyM2016a | El Observador de Estrellas Dobles, Issue #16, 94, 2016 | ||
FyM2016b | C j | Fay, M. | 2016OED....16..132F |
FyM2016b | El Observador de Estrellas Dobles, Issue #16, 132, 2016 | ||
FyM2016c | C j | Fay, M. | 2016OED....17...14F |
FyM2016c | El Observador de Estrellas Dobles, Issue #17, 14, 2016 | ||
FyM2017a | C - | Fay, M. | . |
FyM2017a | Il Bollettino Delle Stelle Doppie 20, 51, 2017 | ||
FyM2017a | (Italian translation on page 29 of the same publication) | ||
FyM2017b | C j | Fay, M. | 2017OED....19...71F |
FyM2017b | El Observador de Estrellas Dobles, Issue #19, 71, 2017 | ||
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 |
12015-0023 | STF1591 | AC | 2002 | 12 | 52 | 24.2 | 8.43 | 12.50 | K | N D | 120127.93-002243.6 |
12015-0023 | STF1591 | AC | 2013 | 14 | 52 | 24.2 | 8.43 | 12.50 | K | N | 120127.93-002243.6 |
12015-0023 | STF1591 | AC | 2017 | 15 | 52 | 23.9 | 8.43 | 12.50 | K | N | 120127.93-002243.6 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | B | C | |
B | pa=188.5° sep=51.47" | ||
C | pa=51.6° sep=23.90" | pa=21.9° sep=70.84" | |
D | pa=184.0° sep=37.22" | pa=20.1° sep=14.66" | pa=202.3° sep=56.19" |
Name | HD 104409 | Coord arcsec 2000 | 120127.93-002243.6 | Mag | 8.43 | Spectral class | K (yellow-orange) | ||||
PmRA | 2.00 | PmDE | 8.0 | SAO | 138542 | HIP | 58639 | ||||
Tycho2 | 4939-00460-1 | HD | 104409 | GC | 16433 | BD | BD+00 2878 |
Tycho2 | 4939-00460-1 | Pflag | RAmdeg | 180.36639209 | DEmdeg | -0.37875263 | |||||
PmRA | 1.9 | PmDE | 7.9 | E RAmdeg | 7 | E DEmdeg | 9 | ||||
E pmRA | 0.8 | E pmDE | 0.8 | EpRAm | 1989.98 | EpDEm | 1988.71 | ||||
Num | 17 | Q RAmdeg | 1.1 | Q DEmdeg | 0.7 | Q pmRA | 1.1 | ||||
Q pmDE | 0.8 | BTmag | 9.513 | E BTmag | 0.022 | VTmag | 8.430 | ||||
E VTmag | 0.014 | Prox | 516 | TYC | T | HIP | 58639 | ||||
CCDM | RAdeg | 180.36638833 | DEdeg | -0.37877111 | EpRA 1990 | 1.73 | |||||
EpDE 1990 | 1.53 | E RAdeg | 7.0 | E DEdeg | 9.8 | Posflg | |||||
Corr | 0.2 |
SAO | 138542 | DelFlag | RA1950 | PmRA1950 | -0.0005 | ||||||
DE1950 | PmDE1950 | -0.019 | Vmag | 8.5 | SpType | K | |||||
Double code | Source | 70 | CatNum | 16433 | DM | BD+00 2878 | |||||
DMcomp | BDsup | HD | 104409 | M HD | 0 | ||||||
GC | 16433 | RA1950rad | 3.13680337 | DE1950rad | -0.00175989 | PmRA2000 | -0.0003 | ||||
PmDE2000 | -0.015 |
Catalog | H | HIP | 58639 | Proxy | RAhms | 12 01 27.93 | |||||
DEdms | -00 22 43.6 | Vmag | 8.34 | VarFlag | R Vmag | G | |||||
RAdeg | 180.366 | DEdeg | -0.37877 | AstroRef | Plx | 4.55 | |||||
CCDM | 12015-0022 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 104409 | BD | BD+00 2878 | ||||||
CD | CP | Dm number | +00 2878 | VIred | 0.93 | ||||||
SpType | K | R SpType | Coord arcsec 2000 | 120127.93-002243.6 |
HIP | 58639 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 3.1479873545 | DErad | -0.0066107843 | Plx | 4.55 | PmRA | 3.01 | ||||
PmDE | 7.01 | E RArad | 1.02 | E DErad | 0.56 | E Plx | 1.18 | ||||
E pmRA | 0.96 | E pmDE | 0.65 | Hpmag | 8.5006 | E Hpmag | 0.002 | ||||
SHp | 0.013 | VA | 0 | BV | 0.939 | E BV | 0.015 | ||||
VI | 0.93 |
Coord arcsec 2000 | 120127.42-002152.7 | Coord calc | 120127.42-002152.7 | Mag | 8.95 | Spectral class | A (white) | ||||
PmRA | -5.00 | PmDE | -9.0 | SAO | 138541 | HIP | 58637 | ||||
Tycho2 | 4939-00114-1 | HD | 104408 | GC | 16431 | BD | BD+00 2877 | ||||
Calc delta mag | 0.52 |
Tycho2 | 4939-00114-1 | Pflag | RAmdeg | 180.36423835 | DEmdeg | -0.36463308 | |||||
PmRA | -5.4 | PmDE | -9.7 | E RAmdeg | 8 | E DEmdeg | 11 | ||||
E pmRA | 1.0 | E pmDE | 0.9 | EpRAm | 1990.57 | EpDEm | 1988.90 | ||||
Num | 11 | Q RAmdeg | 1.0 | Q DEmdeg | 0.5 | Q pmRA | 1.0 | ||||
Q pmDE | 0.6 | BTmag | 9.432 | E BTmag | 0.020 | VTmag | 8.950 | ||||
E VTmag | 0.017 | Prox | 516 | TYC | T | HIP | 58637 | ||||
CCDM | RAdeg | 180.36425056 | DEdeg | -0.36461083 | EpRA 1990 | 1.73 | |||||
EpDE 1990 | 1.51 | E RAdeg | 8.4 | E DEdeg | 11.3 | Posflg | |||||
Corr | 0.2 |
SAO | 138541 | DelFlag | RA1950 | PmRA1950 | -0.0007 | ||||||
DE1950 | PmDE1950 | -0.012 | Vmag | 8.5 | SpType | A | |||||
Double code | Source | 70 | CatNum | 16431 | DM | BD+00 2877 | |||||
DMcomp | BDsup | HD | 104408 | M HD | 0 | ||||||
GC | 16431 | RA1950rad | 3.13676825 | DE1950rad | -0.00150192 | PmRA2000 | -0.0005 | ||||
PmDE2000 | -0.008 |
Catalog | H | HIP | 58637 | Proxy | RAhms | 12 01 27.42 | |||||
DEdms | -00 21 52.6 | Vmag | 8.93 | VarFlag | R Vmag | G | |||||
RAdeg | 180.364 | DEdeg | -0.364607 | AstroRef | Plx | 9.3 | |||||
CCDM | 12015-0022 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 104408 | BD | BD+00 2877 | ||||||
CD | CP | Dm number | +00 2877 | VIred | 0.56 | ||||||
SpType | A | R SpType | Coord arcsec 2000 | 120127.42-002152.6 |
HIP | 58637 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 3.1479499008 | DErad | -0.0063636037 | Plx | 10.46 | PmRA | -7.01 | ||||
PmDE | -10.61 | E RArad | 1.07 | E DErad | 0.63 | E Plx | 1.26 | ||||
E pmRA | 1.06 | E pmDE | 0.69 | Hpmag | 9.0227 | E Hpmag | 0.0026 | ||||
SHp | 0.016 | VA | 0 | BV | 0.49 | E BV | 0.015 | ||||
VI | 0.56 |
Coord arcsec 2000 | 120129.18+002258.4 | Mag | 12.5 | PmRA | 4.00 | PmDE | 7.0 | ||||
Calc delta mag | 4.07 | Calc coord | yes |
Coord arcsec 2000 | 120127.76+002206.5 | Mag | 16.6 | Calc delta mag | 8.17 | Calc coord | yes |