Coord 2000 | 12056+6848 | Discov num | STF1599 | Comp | AC | Coord arcsec 2000 | 12 05 33.52 +68 47 39.7 | ||||
Date first | 1898 | Date last | 2017 | Obs | 12 | ||||||
Pa first | 332 | Pa last | 331.9 | P.A. Now (θ) | 331.9° | ||||||
Sep first | 105.1 | Sep last | 108.4 | Sep. Now (ρ) | 108.4" | ||||||
Mag pri | 7.50 | Mag sec | 12.65 | delta mag (ΔM) | 5.15 | Spectral class | K1III (yellow-orange) | ||||
Pri motion ra | -006 | Sec motion ra | -022 | ||||||||
Pri motion dec | -028 | Sec motion dec | -008 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 105028 | 15709 | 12 05 34 +68 47 40 | STF 1599 AB | 2016 | 35 | 166 | 10.1 | 7.50 | 10.67 | 3.17 | ||
Show | 15709 | 12 05 34 +68 47 40 | STF 1599 AC | 2017 | 12 | 332 | 108.4 | 7.50 | 12.65 | 5.15 | <=== | ||
Show | 15709 | 12 05 34 +68 47 40 | STF 1599 AD | 2017 | 22 | 86 | 125.6 | 7.50 | 9.19 | 1.69 | |||
Show | 15709 | 12 05 34 +68 47 40 | STF 1599 AE | 2017 | 27 | 182 | 125.3 | 7.50 | 7.94 | 0.44 | |||
Show | 15709 | 12 05 34 +68 47 40 | WAL 60 AF | 2017 | 13 | 109 | 142.5 | 7.50 | 12.28 | 4.78 | |||
Show | 15708 | 12 05 33 +68 45 34 | STF 1599 Ea,Eb | 1953 | 1 | 69 | 0.3 | 8.00 | 8.00 | 0.00 |
Constellation | Draco | SAO | 15709 | HIP | 58979 | Tycho2 | 4393-01885-1 | ||||
Gaia DR2 | 1682060311538955392 | HD | 105028 | BD | BD+69 642 | Distance | 277.78 | ||||
Distance ly | 906.12 |
discov_num | notes | refcode |
STF1599 | Djurkovic measured component Ee: 70@, 0.2", 8-8, | |
but van den Bos found this round in 1958. |
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 |
12056+6848 | STF1599 | AC | 1999 | 4 | 332 | 107.8 | 7.50 | 12.80 | K1III | N D | 120533.52+684739.7 |
12056+6848 | STF1599 | AC | 2003 | 5 | 332 | 108.1 | 7.50 | 12.80 | K1III | N D | 120533.52+684739.7 |
12056+6848 | STF1599 | AC | 2006 | 6 | 332 | 109.3 | 7.50 | 12.65 | K1III | N | 120533.52+684739.7 |
12056+6848 | STF1599 | AC | 2015 | 7 | 332 | 108.1 | 7.50 | 12.65 | K1III | N | 120533.52+684739.7 |
12056+6848 | STF1599 | AC | 2017 | 8 | 332 | 108.4 | 7.50 | 12.65 | K1III | N | 120533.52+684739.7 |
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 | D | E | Eb | |
B | pa=174.9° sep=9.87" | |||||
C | pa=349.1° sep=97.39" | pa=349.6° sep=107.22" | ||||
D | pa=78.8° sep=46.19" | pa=67.1° sep=48.25" | pa=143.7° sep=107.56" | |||
E | pa=181.5° sep=125.74" | pa=182.0° sep=115.94" | pa=176.1° sep=221.84" | pa=199.8° sep=143.18" | ||
Eb | pa=181.4° sep=125.65" | pa=182.0° sep=115.85" | pa=176.0° sep=221.76" | pa=199.8° sep=143.07" | pa=43.6° sep=0.12" | |
F | pa=133.6° sep=67.30" | pa=127.4° sep=60.24" | pa=154.7° sep=157.11" | pa=176.5° sep=55.48" | pa=33.3° sep=94.86" | pa=33.3° sep=94.74" |
Name | HD 105028 | Coord arcsec 2000 | 120533.52+684739.7 | Mag | 7.5 | Spectral class | K1III (yellow-orange) | ||||
PmRA | -6.00 | PmDE | -28.0 | SAO | 15709 | HIP | 58979 | ||||
Tycho2 | 4393-01885-1 | HD | 105028 | GC | 16523 | BD | BD+69 642 |
Tycho2 | 4393-01885-1 | Pflag | RAmdeg | 181.38961850 | DEmdeg | 68.79430240 | |||||
PmRA | -10.5 | PmDE | -27.2 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.2 | E pmDE | 1.2 | EpRAm | 1991.52 | EpDEm | 1991.57 | ||||
Num | 8 | Q RAmdeg | 1.2 | Q DEmdeg | 1.2 | Q pmRA | 1.2 | ||||
Q pmDE | 1.2 | BTmag | 8.752 | E BTmag | 0.017 | VTmag | 7.496 | ||||
E VTmag | 0.010 | Prox | 101 | TYC | T | HIP | 58979 | ||||
CCDM | A | RAdeg | 181.38968472 | DEdeg | 68.79436444 | EpRA 1990 | 1.75 | ||||
EpDE 1990 | 1.79 | E RAdeg | 4.6 | E DEdeg | 4.9 | Posflg | |||||
Corr | 0.0 |
SAO | 15709 | DelFlag | RA1950 | PmRA1950 | -0.005 | ||||||
DE1950 | PmDE1950 | -0.04 | Vmag | 7.6 | SpType | K5 | |||||
Double code | Source | 70 | CatNum | 16523 | DM | BD+69 642 | |||||
DMcomp | BDsup | HD | 105028 | M HD | 0 | ||||||
GC | 16523 | RA1950rad | 3.15489861 | DE1950rad | 1.20554705 | PmRA2000 | -0.0046 | ||||
PmDE2000 | -0.036 |
Catalog | H | HIP | 58979 | Proxy | RAhms | 12 05 33.52 | |||||
DEdms | +68 47 39.7 | Vmag | 7.39 | VarFlag | R Vmag | H | |||||
RAdeg | 181.39 | DEdeg | 68.7944 | AstroRef | A | Plx | 4.08 | ||||
CCDM | 12056+6847 | N CCDM | I | Nsys | 2 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 166 | Rho | 10.149 | HD | 105028 | BD | BD+69 642 | ||||
CD | CP | Dm number | +69 642 | VIred | 1.03 | ||||||
SpType | K0III | R SpType | Coord arcsec 2000 | 120533.52+684739.7 |
HIP | 58979 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 3.1658472207 | DErad | 1.200688272 | Plx | 3.6 | PmRA | -6.67 | ||||
PmDE | -27.8 | E RArad | 0.48 | E DErad | 0.52 | E Plx | 0.61 | ||||
E pmRA | 0.56 | E pmDE | 0.57 | Hpmag | 7.5596 | E Hpmag | 0.0061 | ||||
SHp | 0.011 | VA | 0 | BV | 1.074 | E BV | 0.01 | ||||
VI | 1.04 |
Coord arcsec 2000 | 120533.68+684729.9 | Mag | 10.67 | PmRA | -6.00 | PmDE | -28.0 | ||||
Calc delta mag | 3.17 | Calc coord | yes |
Coord arcsec 2000 | 120530.12+684915.3 | Mag | 12.65 | PmRA | -22.00 | PmDE | -8.0 | ||||
Calc delta mag | 5.15 | Calc coord | yes |
Coord arcsec 2000 | 120541.87+684748.7 | Mag | 9.19 | PmRA | -16.00 | PmDE | -1.0 | ||||
Calc delta mag | 1.69 | Calc coord | yes |
Coord arcsec 2000 | 120532.92+684534.0 | Coord calc | 120533.24+684534.5 | Mag | 8 | Mag composta | 7.94 | ||||
Spectral class | M4III (red) | PmRA | -54.00 | PmDE | -10.0 | SAO | 15708 | ||||
HIP | 58976 | Tycho2 | 4393-01592-1 | HD | 105029 | GC | 16522 | ||||
BD | BD+69 641 | Calc delta mag | 0.5 |
Tycho2 | 4393-01592-1 | Pflag | RAmdeg | 181.38682355 | DEmdeg | 68.75943458 | |||||
PmRA | -53.7 | PmDE | -7.4 | E RAmdeg | 6 | E DEmdeg | 7 | ||||
E pmRA | 1.2 | E pmDE | 1.1 | EpRAm | 1991.35 | EpDEm | 1991.14 | ||||
Num | 9 | Q RAmdeg | 0.7 | Q DEmdeg | 0.9 | Q pmRA | 0.7 | ||||
Q pmDE | 0.9 | BTmag | 9.737 | E BTmag | 0.021 | VTmag | 7.937 | ||||
E VTmag | 0.011 | Prox | 999 | TYC | T | HIP | 58976 | ||||
CCDM | RAdeg | 181.38716167 | DEdeg | 68.75945167 | EpRA 1990 | 1.79 | |||||
EpDE 1990 | 1.76 | E RAdeg | 5.6 | E DEdeg | 6.5 | Posflg | |||||
Corr | 0.0 |
SAO | 15708 | DelFlag | RA1950 | PmRA1950 | -0.0105 | ||||||
DE1950 | PmDE1950 | -0.017 | Vmag | 8.1 | SpType | M0 | |||||
Double code | Source | 70 | CatNum | 16522 | DM | BD+69 641 | |||||
DMcomp | BDsup | HD | 105029 | M HD | 0 | ||||||
GC | 16522 | RA1950rad | 3.15488951 | DE1950rad | 1.204936 | PmRA2000 | -0.01 | ||||
PmDE2000 | -0.013 |
Catalog | H | HIP | 58976 | Proxy | RAhms | 12 05 32.92 | |||||
DEdms | +68 45 34.0 | Vmag | 7.7 | VarFlag | 2 | R Vmag | H | ||||
RAdeg | 181.387 | DEdeg | 68.7595 | AstroRef | Plx | 2.98 | |||||
CCDM | 12056+6847 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 105029 | BD | BD+69 641 | ||||||
CD | CP | Dm number | +69 641 | VIred | 1.72 | ||||||
SpType | M0 | R SpType | Coord arcsec 2000 | 120532.92+684534.0 |
HIP | 58976 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 3.1658033996 | DErad | 1.2000788798 | Plx | 2.57 | PmRA | -54.42 | ||||
PmDE | -9.43 | E RArad | 0.47 | E DErad | 0.48 | E Plx | 0.58 | ||||
E pmRA | 0.5 | E pmDE | 0.51 | Hpmag | 7.7535 | E Hpmag | 0.0024 | ||||
SHp | 0.026 | VA | 2 | BV | 1.513 | E BV | 0.015 | ||||
VI | 2.34 |
Coord arcsec 2000 | 120532.94+684534.1 | Mag | 8 | Calc delta mag | 0.5 | Calc coord | yes |
Coord arcsec 2000 | 120542.50+684653.3 | Mag | 12.28 | PmRA | 30.00 | PmDE | -19.0 | ||||
Calc delta mag | 4.78 | Calc coord | yes |