Coord 2000 | 23277+7406 | Discov num | STF3017 | Comp | AC | Coord arcsec 2000 | 23 27 42.90 +74 07 09.5 | ||||
Date first | 1913 | Date last | 2015 | Obs | 4 | ||||||
Pa first | 141 | Pa last | 144.9 | P.A. Now (θ) | 144.9° | ||||||
Sep first | 89.0 | Sep last | 87.493 | Sep. Now (ρ) | 87.493" | ||||||
Mag pri | 7.64 | Mag sec | 13.80 | delta mag (ΔM) | 6.16 | Spectral class | F1:V (yellow-white) | ||||
Pri motion ra | +062 | Sec motion ra | +015 | ||||||||
Pri motion dec | +019 | Sec motion dec | +008 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 221071 | 10742 | 23 27 43 +74 07 10 | STF 3017 AB | 2016 | 67 | 19 | 1.2 | 7.64 | 8.51 | 0.87 | ||
Show | 10742 | 23 27 43 +74 07 10 | STF 3017 AC | 2015 | 4 | 145 | 87.5 | 7.64 | 13.80 | 6.16 | <=== |
Constellation | Cepheus | SAO | 10742 | HIP | 115810 | Tycho2 | 4490-00155-1 | ||||
Gaia DR2 | 2232114608476429824 | HD | 221071 | BD | BD+73 1035 | Distance | 105.93 | ||||
Distance ly | 345.54 |
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 |
23277+7406 | STF3017 | AC | 1913 | 1 | 141 | 89.0 | 7.64 | 13.80 | F1:V | 232742.90+740709.5 | |
23277+7406 | STF3017 | AC | 2000 | 2 | 145 | 87.8 | 7.64 | 13.80 | F1:V | 232742.90+740709.5 | |
23277+7406 | STF3017 | AC | 2003 | 3 | 145 | 87.6 | 7.64 | 13.80 | F1:V | 232742.90+740709.5 | |
23277+7406 | STF3017 | AC | 2015 | 4 | 145 | 87.5 | 7.64 | 13.80 | F1:V | 232742.90+740709.5 |
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 | |
B | pa=5.4° sep=1.15" | |
C | pa=169.1° sep=72.90" | pa=169.4° sep=74.00" |
Name | HD 221071 | Coord arcsec 2000 | 232742.90+740709.5 | Mag | 7.64 | Spectral class | F1:V (yellow-white) | ||||
PmRA | 59.00 | PmDE | 20.0 | SAO | 10742 | HIP | 115810 | ||||
Tycho2 | 4490-00155-1 | HD | 221071 | GC | 32650 | BD | BD+73 1035 |
Tycho2 | 4490-00155-1 | Pflag | P | RAmdeg | 351.92937080 | DEmdeg | 74.11941840 | ||||
PmRA | 58.7 | PmDE | 19.7 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 2.0 | E pmDE | 2.0 | EpRAm | 1991.72 | EpDEm | 1991.62 | ||||
Num | 4 | Q RAmdeg | 1.2 | Q DEmdeg | 0.8 | Q pmRA | 1.2 | ||||
Q pmDE | 0.8 | BTmag | 7.926 | E BTmag | 0.016 | VTmag | 7.635 | ||||
E VTmag | 0.011 | Prox | 14 | TYC | T | HIP | 115810 | ||||
CCDM | A | RAdeg | 351.92877444 | DEdeg | 74.11930250 | EpRA 1990 | 1.79 | ||||
EpDE 1990 | 1.69 | E RAdeg | 4.6 | E DEdeg | 5.1 | Posflg | D | ||||
Corr | 0.1 |
SAO | 10742 | DelFlag | RA1950 | PmRA1950 | 0.0132 | ||||||
DE1950 | PmDE1950 | 0.037 | Vmag | 7.2 | SpType | F0 | |||||
Double code | Source | 70 | CatNum | 32650 | DM | BD+73 1035 | |||||
DMcomp | BDsup | HD | 221071 | M HD | 0 | ||||||
GC | 32650 | RA1950rad | 6.13353897 | DE1950rad | 1.28882182 | PmRA2000 | 0.0135 | ||||
PmDE2000 | 0.03 |
Catalog | H | HIP | 115810 | Proxy | H | RAhms | 23 27 42.90 | ||||
DEdms | +74 07 09.5 | Vmag | 7.23 | VarFlag | R Vmag | G | |||||
RAdeg | 351.929 | DEdeg | 74.1193 | AstroRef | A | Plx | 8.68 | ||||
CCDM | 23278+7407 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 23 | Rho | 1.394 | HD | 221071 | BD | BD+73 1035 | ||||
CD | CP | Dm number | +73 1035 | VIred | 0.4 | ||||||
SpType | F0 | R SpType | Coord arcsec 2000 | 232742.90+740709.5 |
HIP | 115810 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 6.1423152207 | DErad | 1.2936258776 | Plx | 9.44 | PmRA | 64.19 | ||||
PmDE | 19.16 | E RArad | 0.54 | E DErad | 0.46 | E Plx | 0.57 | ||||
E pmRA | 0.75 | E pmDE | 0.52 | Hpmag | 7.2942 | E Hpmag | 0.0012 | ||||
SHp | 0.009 | VA | 0 | BV | 0.344 | E BV | 0.015 | ||||
VI | 0.4 |
Coord arcsec 2000 | 232742.93+740710.6 | Mag | 8.51 | PmRA | 59.00 | PmDE | 20.0 | ||||
Tycho2 | 4490-00155-2 | Calc delta mag | 0.87 | Calc coord | yes |
Tycho2 | 4490-00155-2 | Pflag | P | RAmdeg | 351.92937080 | DEmdeg | 74.11941840 | ||||
PmRA | 58.7 | PmDE | 19.7 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 2.0 | E pmDE | 2.0 | EpRAm | 1991.72 | EpDEm | 1991.62 | ||||
Num | 4 | Q RAmdeg | 1.2 | Q DEmdeg | 0.8 | Q pmRA | 1.2 | ||||
Q pmDE | 0.8 | BTmag | 8.948 | E BTmag | 0.018 | VTmag | 8.507 | ||||
E VTmag | 0.014 | Prox | 14 | TYC | HIP | 115810 | |||||
CCDM | B | RAdeg | 351.92931917 | DEdeg | 74.11966056 | EpRA 1990 | 1.78 | ||||
EpDE 1990 | 1.68 | E RAdeg | 7.4 | E DEdeg | 8.3 | Posflg | D | ||||
Corr | 0.1 |
Coord arcsec 2000 | 232746.25+740557.9 | Mag | 13.8 | PmRA | 15.00 | PmDE | 8.0 | ||||
Calc delta mag | 6.16 | Calc coord | yes |