Coord 2000 | 03440+3822 | Discov num | STF 434 | Comp | AC | Coord arcsec 2000 | 03 43 58.92 +38 22 25.6 | ||||
Date first | 1921 | Date last | 2015 | Obs | 4 | ||||||
Pa first | 350 | Pa last | 350.1 | P.A. Now (θ) | 350.1° | ||||||
Sep first | 90.6 | Sep last | 91.945 | Sep. Now (ρ) | 91.945" | ||||||
Mag pri | 7.80 | Mag sec | 13.58 | delta mag (ΔM) | 5.78 | Spectral class | K5III (yellow-orange) | ||||
Pri motion ra | -001 | Sec motion ra | -004 | ||||||||
Pri motion dec | -005 | Sec motion dec | -001 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 23107 | 56667 | 03 43 59 +38 22 26 | STF 434 AB | 2019 | 59 | 83 | 33.7 | 7.80 | 8.28 | 0.48 | ||
Show | 56667 | 03 43 59 +38 22 26 | STF 434 AC | 2015 | 4 | 350 | 91.9 | 7.80 | 13.58 | 5.78 | <=== |
Constellation | Perseus | SAO | 56667 | HIP | 17424 | Tycho2 | 2863-02115-1 | ||||
Gaia DR2 | 223480033312776960 | HD | 23107 | BD | BD+37 820 | Distance | 448.43 | ||||
Distance ly | 1462.78 |
discov_num | notes | refcode |
STF 434 | B is BD+37@@821. |
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 |
03440+3822 | STF 434 | AC | 1998 | 2 | 350 | 91.9 | 7.80 | K5III | N D | 034358.92+382225.6 | |
03440+3822 | STF 434 | AC | 2002 | 3 | 350 | 92.3 | 7.80 | 13.70 | K5III | N D | 034358.92+382225.6 |
03440+3822 | STF 434 | AC | 2015 | 4 | 350 | 91.9 | 7.80 | 13.58 | K5III | N | 034358.92+382225.6 |
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 | |
B | pa=80.5° sep=26.58" | |
C | pa=352.2° sep=91.42" | pa=335.9° sep=94.42" |
Name | HD 23107 | Coord arcsec 2000 | 034358.92+382225.6 | Mag | 7.8 | Spectral class | K5III (yellow-orange) | ||||
PmRA | -1.00 | PmDE | -5.0 | SAO | 56667 | HIP | 17424 | ||||
Tycho2 | 2863-02115-1 | HD | 23107 | GC | 4447 | BD | BD+37 820 |
Tycho2 | 2863-02115-1 | Pflag | RAmdeg | 55.99551293 | DEmdeg | 38.37376322 | |||||
PmRA | -1.2 | PmDE | -4.0 | E RAmdeg | 6 | E DEmdeg | 7 | ||||
E pmRA | 1.1 | E pmDE | 1.2 | EpRAm | 1991.04 | EpDEm | 1990.90 | ||||
Num | 15 | Q RAmdeg | 1.2 | Q DEmdeg | 0.9 | Q pmRA | 1.3 | ||||
Q pmDE | 0.9 | BTmag | 10.135 | E BTmag | 0.029 | VTmag | 7.802 | ||||
E VTmag | 0.012 | Prox | 330 | TYC | T | HIP | 17424 | ||||
CCDM | RAdeg | 55.99551639 | DEdeg | 38.37377278 | EpRA 1990 | 1.70 | |||||
EpDE 1990 | 1.58 | E RAdeg | 6.2 | E DEdeg | 6.9 | Posflg | |||||
Corr | -0.3 |
SAO | 56667 | DelFlag | RA1950 | PmRA1950 | 0.0005 | ||||||
DE1950 | PmDE1950 | 0.002 | Vmag | 7.4 | SpType | K5 | |||||
Double code | Source | 70 | CatNum | 4447 | DM | BD+37 820 | |||||
DMcomp | BDsup | HD | 23107 | M HD | 0 | ||||||
GC | 4447 | RA1950rad | 0.96296097 | DE1950rad | 0.6670056 | PmRA2000 | 0.0005 | ||||
PmDE2000 | 0 |
Catalog | H | HIP | 17424 | Proxy | RAhms | 03 43 58.92 | |||||
DEdms | +38 22 25.6 | Vmag | 7.66 | VarFlag | R Vmag | G | |||||
RAdeg | 55.9955 | DEdeg | 38.3738 | AstroRef | Plx | 1.56 | |||||
CCDM | 03440+3823 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 23107 | BD | BD+37 820 | ||||||
CD | CP | Dm number | +37 820 | VIred | 1.95 | ||||||
SpType | K5III | R SpType | Coord arcsec 2000 | 034358.92+382225.6 |
HIP | 17424 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.9773061035 | DErad | 0.6697487115 | Plx | 2.23 | PmRA | -1.22 | ||||
PmDE | -5.11 | E RArad | 0.58 | E DErad | 0.42 | E Plx | 0.73 | ||||
E pmRA | 0.67 | E pmDE | 0.6 | Hpmag | 7.6649 | E Hpmag | 0.0023 | ||||
SHp | 0.021 | VA | 0 | BV | 1.641 | E BV | 0.134 | ||||
VI | 1.95 |
Coord arcsec 2000 | 034401.15+382230.0 | Mag | 8.28 | PmRA | 22.00 | PmDE | 16.0 | ||||
SAO | 56668 | HIP | 17428 | Tycho2 | 2863-03377-1 | HD | 23108 | ||||
BD | BD+37 821 | Calc delta mag | 0.48 | Calc coord | yes |
Tycho2 | 2863-03377-1 | Pflag | RAmdeg | 56.00718891 | DEmdeg | 38.37488261 | |||||
PmRA | 23.4 | PmDE | 16.1 | E RAmdeg | 6 | E DEmdeg | 7 | ||||
E pmRA | 1.7 | E pmDE | 1.7 | EpRAm | 1991.54 | EpDEm | 1991.26 | ||||
Num | 8 | Q RAmdeg | 0.5 | Q DEmdeg | 1.4 | Q pmRA | 0.5 | ||||
Q pmDE | 1.4 | BTmag | 8.608 | E BTmag | 0.017 | VTmag | 8.279 | ||||
E VTmag | 0.013 | Prox | 330 | TYC | T | HIP | 17428 | ||||
CCDM | RAdeg | 56.00712028 | DEdeg | 38.37484500 | EpRA 1990 | 1.74 | |||||
EpDE 1990 | 1.54 | E RAdeg | 5.7 | E DEdeg | 6.6 | Posflg | |||||
Corr | -0.2 |
SAO | 56668 | DelFlag | RA1950 | PmRA1950 | 0.0016 | ||||||
DE1950 | PmDE1950 | 0.018 | Vmag | 8.3 | SpType | A5 | |||||
Double code | Source | 5 | CatNum | 417 | DM | BD+37 821 | |||||
DMcomp | BDsup | HD | 23108 | M HD | 0 | ||||||
GC | RA1950rad | 0.9631556 | DE1950rad | 0.66701968 | PmRA2000 | 0.0016 | |||||
PmDE2000 | 0.016 |
Catalog | H | HIP | 17428 | Proxy | RAhms | 03 44 01.71 | |||||
DEdms | +38 22 29.4 | Vmag | 8.26 | VarFlag | R Vmag | G | |||||
RAdeg | 56.0071 | DEdeg | 38.3748 | AstroRef | Plx | 7.81 | |||||
CCDM | 03440+3823 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 23108 | BD | BD+37 821 | ||||||
CD | CP | Dm number | +37 821 | VIred | 0.42 | ||||||
SpType | A5 | R SpType | Coord arcsec 2000 | 034401.71+382229.4 |
HIP | 17428 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.9775086366 | DErad | 0.6697674167 | Plx | 8.74 | PmRA | 26.48 | ||||
PmDE | 16.2 | E RArad | 0.79 | E DErad | 0.59 | E Plx | 1 | ||||
E pmRA | 0.92 | E pmDE | 0.81 | Hpmag | 8.3289 | E Hpmag | 0.0012 | ||||
SHp | 0.016 | VA | 0 | BV | 0.355 | E BV | 0.015 | ||||
VI | 0.42 |
Coord arcsec 2000 | 034357.87+382356.2 | Mag | 13.58 | PmRA | -4.00 | PmDE | -1.0 | ||||
Calc delta mag | 5.78 | Calc coord | yes |