Coord 2000 | 16362+5255 | Discov num | STFA 30 | Comp | CD | Coord arcsec 2000 | 16 36 11.42 +52 54 00.1 | ||||
Date first | 1879 | Date last | 2020 | Obs | 9 | ||||||
Pa first | 122 | Pa last | 122.7 | P.A. Now (θ) | 122.7° | ||||||
Sep first | 116.9 | Sep last | 125.48 | Sep. Now (ρ) | 125.48" | ||||||
Mag pri | 5.50 | Mag sec | 11.19 | delta mag (ΔM) | 5.69 | Spectral class | B9.5V (blue-white) | ||||
Pri motion ra | -014 | Sec motion ra | +025 | ||||||||
Pri motion dec | +028 | Sec motion dec | -020 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 17 Dra | 30013 | 16 36 14 +52 55 28 | STF 2078 AB | 2021 | 198 | 104 | 2.9 | 5.38 | 6.42 | 1.04 | ||
Show | 30013 | 16 36 14 +52 55 28 | STFA 30 AC | 2018 | 86 | 193 | 90.2 | 5.38 | 5.50 | 0.12 | |||
Show | 30012 | 16 36 14 +52 55 27 | STFA 30 BC | 2017 | 47 | 194 | 90.1 | 6.42 | 5.50 | 0.92 | |||
Show | 30012 | 16 36 11 +52 54 00 | STFA 30 CD | 2020 | 9 | 123 | 125.5 | 5.50 | 11.19 | 5.69 | <=== |
Constellation | Draco | SAO | 30012 | HIP | 81290 | Tycho2 | 3879-02961-1 | ||||
Gaia DR2 | 1425757966351711616 | HD | 150100 | HR | 6184 | GC | 22351 | ||||
ADS | 10129 | BD | BD+53 1875 | Flamsteed | 16 Draconis | Flamsteed name | 16 Dra | ||||
Distance | 130.89 | Distance ly | 426.96 |
discov_num | notes | refcode |
STF2078 | A: 17 Dra. Common proper motion with 16 Dra. | |
Aka H 1 4 = SHJ 236. | ||
STFA 30 | C: 16 Dra | |
AC: STTA147. |
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 |
16362+5255 | STFA 30 | CD | 2001 | 6 | 123 | 124.6 | 5.50 | 11.50 | B9.5V | N D | 163611.42+525400.1 |
16362+5255 | STFA 30 | CD | 2003 | 7 | 122 | 123.6 | 5.50 | 11.00 | B9.5V | N D | 163611.42+525400.1 |
16362+5255 | STFA 30 | CD | 2020 | 9 | 123 | 125.5 | 5.50 | 11.19 | B9.5V | N | 163611.42+525400.1 |
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=105.0° sep=3.09" | ||
C | pa=193.3° sep=90.13" | pa=195.3° sep=90.10" | |
D | pa=164.6° sep=161.29" | pa=165.5° sep=159.75" | pa=136.8° sep=93.03" |
Name | 17 Dra | Coord arcsec 2000 | 163613.72+525527.8 | Mag | 5.38 | Spectral class | B9.5V (blue-white) | ||||
PmRA | -12.00 | PmDE | 27.0 | SAO | 30013 | HIP | 81292 | ||||
Tycho2 | 3879-02960-2 | HD | 150117 | HR | 6185 | GC | 22352 | ||||
ADS | 10129 | BD | BD+53 1876 | Flamsteed | 17 Draconis | Flamsteed name | 17 Dra |
Tycho2 | 3879-02960-2 | Pflag | RAmdeg | 249.05716910 | DEmdeg | 52.92441435 | |||||
PmRA | -12.2 | PmDE | 23.5 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 1.3 | E pmDE | 1.4 | EpRAm | 1991.54 | EpDEm | 1991.65 | ||||
Num | 7 | Q RAmdeg | 2.3 | Q DEmdeg | 2.0 | Q pmRA | 2.2 | ||||
Q pmDE | 2.1 | BTmag | 5.303 | E BTmag | 0.014 | VTmag | 5.376 | ||||
E VTmag | 0.009 | Prox | 32 | TYC | T | HIP | 81292 | ||||
CCDM | A | RAdeg | 249.05721639 | DEdeg | 52.92436028 | EpRA 1990 | 1.63 | ||||
EpDE 1990 | 1.72 | E RAdeg | 3.4 | E DEdeg | 3.4 | Posflg | D | ||||
Corr | 0.0 |
SAO | 30013 | DelFlag | RA1950 | PmRA1950 | -0.0017 | ||||||
DE1950 | PmDE1950 | 0.025 | Vmag | 5.6 | SpType | A2 | |||||
Double code | Source | 70 | CatNum | 22352 | DM | BD+53 1876 | |||||
DMcomp | BDsup | HD | 150117 | M HD | 9 | ||||||
GC | 22352 | RA1950rad | 4.34169905 | DE1950rad | 0.92544687 | PmRA2000 | -0.001 | ||||
PmDE2000 | 0.027 |
Catalog | H | HIP | 81292 | Proxy | H | RAhms | 16 36 13.73 | ||||
DEdms | +52 55 27.7 | Vmag | 5.07 | VarFlag | R Vmag | H | |||||
RAdeg | 249.057 | DEdeg | 52.9244 | AstroRef | A | Plx | 8.22 | ||||
CCDM | 16362+5255 | N CCDM | I | Nsys | 2 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 106 | Rho | 3.208 | HD | 150117 | BD | BD+53 1876 | ||||
CD | CP | Dm number | +53 1876 | VIred | 0.11 | ||||||
SpType | B9V | R SpType | Coord arcsec 2000 | 163613.73+525527.7 |
HIP | 81292 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.3468684631 | DErad | 0.9237042586 | Plx | 7.91 | PmRA | -12.48 | ||||
PmDE | 26.29 | E RArad | 0.29 | E DErad | 0.26 | E Plx | 0.3 | ||||
E pmRA | 0.34 | E pmDE | 0.29 | Hpmag | 5.0706 | E Hpmag | 0.0006 | ||||
SHp | 0.006 | VA | 0 | BV | -0.027 | E BV | 0.007 | ||||
VI | -0.01 |
Ccdm | 16362+5255 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.65 | DDEs | 28.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 4 | Vmag | 5.6 | Sp | A2 | PmNote | * | ||||
PmRA | -44 | PmDE | 51 | Dm number | +53 1876 | Cat1 | BD | ||||
Name2 | +53 1037 | Cat2 | AGK2/3 | HD | 150117 | M HD | |||||
ADS BDS | A10129 | M ADS BDS | N IDS | IDS | 16339N5308A | ||||||
HIC | 81292 |
Coord arcsec 2000 | 163614.05+525527.0 | Coord calc | 163614.05+525527.0 | Mag | 6.42 | Spectral class | A1Vnn (white) | ||||
PmRA | -16.00 | PmDE | 32.0 | Calc delta mag | 1.04 |
Ccdm | 16362+5255 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2078 | DRAs | DDEs | |||||||
R dRAs | Year | 1958 | Theta | 108 | Rho | 3.4 | |||||
Obs | 99 | Vmag | 6.6 | Sp | A2 | PmNote | |||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | 150118 | M HD | |||||||
ADS BDS | A10129 | M ADS BDS | N IDS | IDS | 16339N5308B | ||||||
HIC | 81292 |
Coord arcsec 2000 | 163611.42+525400.1 | Coord calc | 163611.42+525400.1 | Mag | 5.5 | Spectral class | B9.5V (blue-white) | ||||
PmRA | -14.00 | PmDE | 28.0 | SAO | 30012 | HIP | 81290 | ||||
Tycho2 | 3879-02961-1 | HD | 150100 | HR | 6184 | GC | 22351 | ||||
BD | BD+53 1875 | Flamsteed | 16 Draconis | Flamsteed name | 16 Dra | Calc delta mag | 0.12 |
Tycho2 | 3879-02961-1 | Pflag | RAmdeg | 249.04758842 | DEmdeg | 52.90004810 | |||||
PmRA | -11.2 | PmDE | 27.6 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1991.63 | EpDEm | 1991.49 | ||||
Num | 9 | Q RAmdeg | 1.3 | Q DEmdeg | 0.8 | Q pmRA | 1.4 | ||||
Q pmDE | 0.8 | BTmag | 5.456 | E BTmag | 0.014 | VTmag | 5.498 | ||||
E VTmag | 0.009 | Prox | 901 | TYC | T | HIP | 81290 | ||||
CCDM | RAdeg | 249.04763111 | DEdeg | 52.89998389 | EpRA 1990 | 1.71 | |||||
EpDE 1990 | 1.64 | E RAdeg | 3.4 | E DEdeg | 3.5 | Posflg | |||||
Corr | 0.0 |
SAO | 30012 | DelFlag | RA1950 | PmRA1950 | -0.0017 | ||||||
DE1950 | PmDE1950 | 0.031 | Vmag | 5.6 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 22351 | DM | BD+53 1875 | |||||
DMcomp | BDsup | HD | 150100 | M HD | 0 | ||||||
GC | 22351 | RA1950rad | 4.3415267 | DE1950rad | 0.92502211 | PmRA2000 | -0.001 | ||||
PmDE2000 | 0.033 |
Catalog | H | HIP | 81290 | Proxy | RAhms | 16 36 11.43 | |||||
DEdms | +52 53 59.9 | Vmag | 5.53 | VarFlag | R Vmag | G | |||||
RAdeg | 249.048 | DEdeg | 52.9 | AstroRef | Plx | 8.16 | |||||
CCDM | 16362+5255 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 150100 | BD | BD+53 1875 | ||||||
CD | CP | Dm number | +53 1875 | VIred | -0.01 | ||||||
SpType | B9.5Vn | R SpType | Coord arcsec 2000 | 163611.43+525359.9 |
HIP | 81290 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 4.3467012568 | DErad | 0.923278804 | Plx | 7.64 | PmRA | -13.46 | ||||
PmDE | 28.21 | E RArad | 0.15 | E DErad | 0.16 | E Plx | 0.17 | ||||
E pmRA | 0.18 | E pmDE | 0.18 | Hpmag | 5.518 | E Hpmag | 0.0005 | ||||
SHp | 0.006 | VA | 0 | BV | -0.06 | E BV | 0.015 | ||||
VI | -0.01 |
Ccdm | 16362+5255 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF4030 | DRAs | -0.67 | DDEs | -59.1 | |||||
R dRAs | 10 | Year | 1833 | Theta | 194 | Rho | 90.3 | ||||
Obs | 99 | Vmag | 5.6 | Sp | A0 | PmNote | * | ||||
PmRA | -31 | PmDE | 44 | Dm number | +53 1875 | Cat1 | BD | ||||
Name2 | +52 1092 | Cat2 | AGK2/3 | HD | 150100 | M HD | |||||
ADS BDS | A10129 | M ADS BDS | N IDS | IDS | 16339N5308C | ||||||
HIC | 81290 |
Coord arcsec 2000 | 163618.46+525252.3 | Mag | 11.19 | PmRA | 25.00 | PmDE | -20.0 | ||||
Calc delta mag | 5.81 | Calc coord | yes |
Ccdm | 16362+5255 | RComp | C | Comp | D | Note1 | |||||
Note2 | Discov num | STF4030 | DRAs | DDEs | |||||||
R dRAs | Year | 1956 | Theta | 122 | Rho | 120.1 | |||||
Obs | 3 | Vmag | 11.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10129 | M ADS BDS | N IDS | IDS | 16339N5308D | ||||||
HIC |