Coord 2000 | 04188-0242 | Discov num | STF 525 | Comp | AC | Coord arcsec 2000 | 04 18 45.19 -02 41 48.3 | ||||
Date first | 1891 | Date last | 2015 | Obs | 11 | ||||||
Pa first | 234 | Pa last | 235.3 | P.A. Now (θ) | 235.3° | ||||||
Sep first | 46.3 | Sep last | 48.028 | Sep. Now (ρ) | 48.028" | ||||||
Mag pri | 8.91 | Mag sec | 9.91 | delta mag (ΔM) | 1 | Spectral class | A2 (white) | ||||
Pri motion ra | +000 | Sec motion ra | -016 | ||||||||
Pri motion dec | -002 | Sec motion dec | -010 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 27340 | 131106 | 04 18 45 -02 41 48 | STF 525 AB | 2015 | 18 | 244 | 45.3 | 8.91 | 10.18 | 1.27 | ||
Show | 131106 | 04 18 45 -02 41 48 | STF 525 AC | 2015 | 11 | 235 | 48.0 | 8.91 | 9.91 | 1.00 | <=== | ||
Show | 04 18 42 -02 42 08 | STF 525 BC | 2018 | 17 | 170 | 7.9 | 10.18 | 10.70 | 0.52 |
Constellation | Eridanus | SAO | 131106 | Tycho2 | 4729-00139-1 | Gaia DR2 | 3204284716533346432 | ||||
HD | 27340 |
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 |
04188-0242 | STF 525 | AC | 1998 | 5 | 235 | 47.8 | 8.91 | 9.50 | A2 | D | 041845.19-024148.3 |
04188-0242 | STF 525 | AC | 2010 | 6 | 235 | 47.9 | 8.91 | 9.50 | A2 | D | 041845.19-024148.3 |
04188-0242 | STF 525 | AC | 2015 | 8 | 235 | 48.0 | 8.91 | 9.91 | A2 | 041845.19-024148.3 |
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 | |
B | pa=244.5° sep=45.14" | |
C | pa=235.3° sep=47.99" | pa=170.6° sep=8.05" |
Name | HD 27340 | Coord arcsec 2000 | 041845.19-024148.3 | Mag | 8.91 | Spectral class | A2 (white) | ||||
PmRA | 0.00 | PmDE | -2.0 | SAO | 131106 | Tycho2 | 4729-00139-1 | ||||
HD | 27340 | DM | BD-03 740 |
Tycho2 | 4729-00139-1 | Pflag | RAmdeg | 64.68829425 | DEmdeg | -2.69675298 | |||||
PmRA | -1.0 | PmDE | -3.7 | E RAmdeg | 8 | E DEmdeg | 10 | ||||
E pmRA | 1.0 | E pmDE | 1.1 | EpRAm | 1990.30 | EpDEm | 1988.93 | ||||
Num | 10 | Q RAmdeg | 0.8 | Q DEmdeg | 0.8 | Q pmRA | 0.8 | ||||
Q pmDE | 0.7 | BTmag | 9.098 | E BTmag | 0.020 | VTmag | 8.911 | ||||
E VTmag | 0.018 | Prox | 449 | TYC | T | HIP | |||||
CCDM | RAdeg | 64.68829639 | DEdeg | -2.69674444 | EpRA 1990 | 1.72 | |||||
EpDE 1990 | 1.41 | E RAdeg | 8.3 | E DEdeg | 11.4 | Posflg | |||||
Corr | -0.1 |
SAO | 131106 | DelFlag | RA1950 | PmRA1950 | -0.0003 | ||||||
DE1950 | PmDE1950 | 0.003 | Vmag | 8.9 | SpType | A2 | |||||
Double code | Source | 27 | CatNum | 1101 | DM | BD-03 740 | |||||
DMcomp | BDsup | HD | 27340 | M HD | 0 | ||||||
GC | RA1950rad | 1.11805417 | DE1950rad | -0.04916742 | PmRA2000 | 0 | |||||
PmDE2000 | 0.001 |
Coord arcsec 2000 | 041842.47-024207.7 | Coord calc | 041842.47-024207.7 | Mag | 10.18 | PmRA | -16.00 | ||||
PmDE | -5.0 | Tycho2 | 4729-00243-1 | Calc delta mag | 1.27 |
Tycho2 | 4729-00243-1 | Pflag | RAmdeg | 64.67698470 | DEmdeg | -2.70215161 | |||||
PmRA | -15.0 | PmDE | -7.7 | E RAmdeg | 24 | E DEmdeg | 30 | ||||
E pmRA | 1.4 | E pmDE | 1.4 | EpRAm | 1987.83 | EpDEm | 1980.91 | ||||
Num | 4 | Q RAmdeg | 0.7 | Q DEmdeg | 1.5 | Q pmRA | 0.7 | ||||
Q pmDE | 1.5 | BTmag | 10.773 | E BTmag | 0.054 | VTmag | 10.178 | ||||
E VTmag | 0.047 | Prox | 449 | TYC | T | HIP | |||||
CCDM | RAdeg | 64.67701889 | DEdeg | -2.70212472 | EpRA 1990 | 1.73 | |||||
EpDE 1990 | 1.38 | E RAdeg | 25.3 | E DEdeg | 36.9 | Posflg | |||||
Corr | 0.1 |
Coord arcsec 2000 | 041842.56-024215.6 | Mag | 9.91 | PmRA | -16.00 | PmDE | -10.0 | ||||
Calc delta mag | 1 | Calc coord | yes |