Coord 2000 | 13377+0223 | Discov num | STF1764 | Comp | AB | Coord arcsec 2000 | 13 37 44.01 +02 22 56.5 | ||||
Date first | 1828 | Date last | 2018 | Obs | 52 | ||||||
Pa first | 35 | Pa last | 31.4 | P.A. Now (θ) | 31.4° | ||||||
Sep first | 15.0 | Sep last | 16.05 | Sep. Now (ρ) | 16.05" | ||||||
Mag pri | 6.79 | Mag sec | 8.56 | delta mag (ΔM) | 1.77 | Spectral class | K2III (yellow-orange) | ||||
Pri motion ra | -018 | Sec motion ra | -017 | ||||||||
Pri motion dec | -015 | Sec motion dec | -015 | ||||||||
Notes | N V (See Notes, Proper motion indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 118578 | 120042 | 13 37 44 +02 22 56 | STF 1764 AB | 2018 | 52 | 31 | 16.1 | 6.79 | 8.56 | 1.77 | <=== | |
Show | 120042 | 13 37 44 +02 22 56 | STF 1764 AC | 2015 | 12 | 139 | 171.7 | 6.79 | 10.45 | 3.66 | |||
Show | 120042 | 13 37 44 +02 22 56 | WAL 64 AD | 2015 | 10 | 143 | 207.1 | 6.79 | 10.67 | 3.88 |
Name | HD 118578 | Constellation | Virgo | SAO | 120042 | HIP | 66476 | ||||
Tycho2 | 0307-00880-1 | Gaia DR2 | 3711751114191482112 | HD | 118578 | GC | 18419 | ||||
BD | BD+03 2799 | Distance | 625 | Distance ly | 2038.75 |
discov_num | notes | refcode |
STF1764 | C and D components are A and B of STF 1765 rej. WAL 64CD measures | |
moved, but systems not merged, as optical/physical nature of STF1764AC | ||
and WAL 64AD are unknown. |
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. | ||
Wal1934 | Ma j | Wallenquist, A. | 1934AnBos...6....3W |
Wal1934 | Ann. Bosscha Obs. Lembang 6, Pt.2, 1934 | ||
Wal1944a | Zw - | Wallenquist, A. | 1954MeUpp...85..... |
Wal1944a | Medd. Uppsala Obs. #85, 1944 | ||
Wal1944a | (Visual measures with wedge photometer attached to 14-inch refractor. No dates | ||
Wal1944a | given for measures; default date = decade of publication added.) | ||
Wal1944b | Zw - | Wallenquist, A. | 1954MeUpp...87..... |
Wal1944b | Medd. Uppsala Obs. #87, 1944 | ||
Wal1944b | (Visual measures with wedge photometer attached to 14-inch refractor. No dates | ||
Wal1944b | given for measures; default date = decade of publication added.) | ||
Wal1947 | Zw - | Wallenquist, A. | 1947UppAn...2....2W |
Wal1947 | Ann. Uppsala Astron. Obs. 2, No.2, 1947 | ||
Wal1947 | (A catalogue containing results of the two prior series, plus additional measures | ||
Wal1947 | with the 14-inch refractor and wedge photometer) | ||
Wal1948 | Zw - | Wallenquist, A. | 1948UppAn...2....3W |
Wal1948 | Ann. Uppsala Astron Obs. 2, #3, 1948 | ||
Wal1948 | (Visual measures of southern double stars made with 17-inch refractor of La Plata | ||
Wal1948 | and wedge photometer. No dates listed; default date = decade of publication added) | ||
Wal1950 | Zd - | Wallenquist, A. | 1950MeUpp..103..... |
Wal1950 | Medd. Uppsala Obs. #103, 1950 | ||
Wal1954 | Zw - | Wallenquist, A. | 1954UppAn...4Q....W |
Wal1954 | Ann. Uppsala Astron Obs. 4, #2, 1954 | ||
Wal1954 | ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean | ||
Wal1954 | values from numerous sources) | ||
Wal1958 | Zw - | Wallenquist, A. | 1958MeUpp..118..... |
Wal1958 | Medd. Uppsala Obs. #118, 1958 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
13377+0223 | STF1764 | AB | 2007 | 38 | 32 | 15.9 | 6.79 | 8.56 | K2III | N D | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2009 | 39 | 32 | 15.8 | 6.79 | 8.56 | K2III | N D | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2010 | 42 | 31 | 15.5 | 6.79 | 8.56 | K2III | N D | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2011 | 43 | 31 | 15.8 | 6.79 | 8.56 | K2III | N D | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2014 | 46 | 31 | 15.8 | 6.79 | 8.56 | K2III | N D | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2016 | 48 | 31 | 16.1 | 6.79 | 8.56 | K2III | N | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2017 | 49 | 32 | 15.9 | 6.79 | 8.56 | K2III | N | 133744.01+022256.5 |
13377+0223 | STF1764 | AB | 2018 | 52 | 31 | 16.1 | 6.79 | 8.56 | K2III | NV | 133744.01+022256.5 |
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=31.4° sep=16.05" | ||
C | pa=138.5° sep=171.62" | pa=143.5° sep=177.01" | |
D | pa=142.5° sep=207.05" | pa=146.5° sep=213.37" | pa=161.0° sep=37.80" |
Name | HD 118578 | Coord arcsec 2000 | 133744.01+022256.5 | Mag | 6.79 | Spectral class | K2III (yellow-orange) | ||||
PmRA | -18.00 | PmDE | -15.0 | SAO | 120042 | HIP | 66476 | ||||
Tycho2 | 0307-00880-1 | HD | 118578 | GC | 18419 | BD | BD+03 2799 |
Tycho2 | 0307-00880-1 | Pflag | RAmdeg | 204.43331641 | DEmdeg | 2.38231375 | |||||
PmRA | -17.1 | PmDE | -13.9 | E RAmdeg | 4 | E DEmdeg | 6 | ||||
E pmRA | 0.8 | E pmDE | 0.8 | EpRAm | 1991.17 | EpDEm | 1990.47 | ||||
Num | 20 | Q RAmdeg | 1.2 | Q DEmdeg | 1.7 | Q pmRA | 1.2 | ||||
Q pmDE | 1.6 | BTmag | 8.220 | E BTmag | 0.017 | VTmag | 6.793 | ||||
E VTmag | 0.011 | Prox | 159 | TYC | T | HIP | 66476 | ||||
CCDM | A | RAdeg | 204.43335639 | DEdeg | 2.38234694 | EpRA 1990 | 1.66 | ||||
EpDE 1990 | 1.37 | E RAdeg | 4.4 | E DEdeg | 5.5 | Posflg | |||||
Corr | 0.2 |
SAO | 120042 | DelFlag | RA1950 | PmRA1950 | -0.001 | ||||||
DE1950 | PmDE1950 | -0.033 | Vmag | 6.7 | SpType | K0 | |||||
Double code | Source | 70 | CatNum | 18419 | DM | BD+03 2799 | |||||
DMcomp | A | BDsup | HD | 118578 | M HD | 0 | |||||
GC | 18419 | RA1950rad | 3.55694453 | DE1950rad | 0.0460135 | PmRA2000 | -0.0008 | ||||
PmDE2000 | -0.029 |
Catalog | H | HIP | 66476 | Proxy | RAhms | 13 37 44.01 | |||||
DEdms | +02 22 56.5 | Vmag | 6.66 | VarFlag | R Vmag | H | |||||
RAdeg | 204.433 | DEdeg | 2.38235 | AstroRef | A | Plx | 4.04 | ||||
CCDM | 13378+0222 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | 118578 | BD | BD+03 2799 | ||||||
CD | CP | Dm number | +03 2799 | VIred | 1.16 | ||||||
SpType | K0 | R SpType | Coord arcsec 2000 | 133744.01+022256.5 |
HIP | 66476 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 3.568035191 | DErad | 0.0415798065 | Plx | 1.6 | PmRA | -20.02 | ||||
PmDE | -12.25 | E RArad | 0.89 | E DErad | 0.64 | E Plx | 0.94 | ||||
E pmRA | 0.86 | E pmDE | 0.67 | Hpmag | 6.8279 | E Hpmag | 0.0086 | ||||
SHp | 0.024 | VA | 0 | BV | 1.185 | E BV | 0.011 | ||||
VI | 1.15 |
Coord arcsec 2000 | 133744.57+022310.2 | Mag | 8.56 | PmRA | -17.00 | PmDE | -15.0 | ||||
SAO | 120043 | HIP | 66477 | Tycho2 | 0307-01262-1 | DM | BD+03 2799 | ||||
Calc delta mag | 1.77 | Calc coord | yes |
Tycho2 | 0307-01262-1 | Pflag | RAmdeg | 204.43563095 | DEmdeg | 2.38608829 | |||||
PmRA | -14.5 | PmDE | -14.8 | E RAmdeg | 10 | E DEmdeg | 13 | ||||
E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1991.16 | EpDEm | 1990.50 | ||||
Num | 3 | Q RAmdeg | 1.2 | Q DEmdeg | 0.6 | Q pmRA | 1.2 | ||||
Q pmDE | 0.6 | BTmag | 9.354 | E BTmag | 0.025 | VTmag | 8.560 | ||||
E VTmag | 0.018 | Prox | 159 | TYC | T | HIP | 66477 | ||||
CCDM | B | RAdeg | 204.43566472 | DEdeg | 2.38612361 | EpRA 1990 | 1.66 | ||||
EpDE 1990 | 1.35 | E RAdeg | 9.6 | E DEdeg | 13.0 | Posflg | |||||
Corr | 0.1 |
SAO | 120043 | DelFlag | RA1950 | PmRA1950 | -0.0012 | ||||||
DE1950 | PmDE1950 | -0.012 | Vmag | 9.3 | SpType | ||||||
Double code | Source | 30 | CatNum | 4761 | DM | BD+03 2799 | |||||
DMcomp | B | BDsup | HD | M HD | |||||||
GC | RA1950rad | 3.5569845 | DE1950rad | 0.04608347 | PmRA2000 | -0.001 | |||||
PmDE2000 | -0.008 |
Catalog | H | HIP | 66477 | Proxy | RAhms | 13 37 44.56 | |||||
DEdms | +02 23 10.0 | Vmag | 9.03 | VarFlag | R Vmag | H | |||||
RAdeg | 204.436 | DEdeg | 2.38611 | AstroRef | B | Plx | 6.04 | ||||
CCDM | 13378+0222 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 0.71 | |||||||
SpType | R SpType | Coord arcsec 2000 | 133744.56+022310.0 |
HIP | 66477 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 3.5680753178 | DErad | 0.0416454543 | Plx | 5.38 | PmRA | -21.49 | ||||
PmDE | -11.45 | E RArad | 2.22 | E DErad | 1.61 | E Plx | 2.49 | ||||
E pmRA | 2.35 | E pmDE | 1.83 | Hpmag | 9.3018 | E Hpmag | 0.0749 | ||||
SHp | 0 | VA | 0 | BV | 0.389 | E BV | 0.036 | ||||
VI | 0.45 |
Coord arcsec 2000 | 133751.59+022047.9 | Mag | 10.45 | PmRA | -23.00 | PmDE | -10.0 | ||||
Calc delta mag | 3.66 | Calc coord | yes |
Coord arcsec 2000 | 133752.42+022012.2 | Mag | 10.67 | PmRA | -15.00 | PmDE | 5.0 | ||||
Calc delta mag | 3.88 | Calc coord | yes |