Coord 2000 | 21523+6306 | Discov num | STF2845 | Comp | AB | Coord arcsec 2000 | 21 52 20.95 +63 06 04.5 | ||||
Date first | 1828 | Date last | 2022 | Obs | 39 | ||||||
Pa first | 172 | Pa last | 173 | P.A. Now (θ) | 173° | ||||||
Sep first | 2.0 | Sep last | 2 | Sep. Now (ρ) | 2" | ||||||
Mag pri | 8.07 | Mag sec | 8.20 | delta mag (ΔM) | 0.13 | Spectral class | B2V (blue-white) | ||||
Pri motion ra | +000 | Sec motion ra | +000 | ||||||||
Pri motion dec | -001 | Sec motion dec | -001 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 208185 | 19694 | 21 52 21 +63 06 04 | STF 2845 AB | 2022 | 39 | 173 | 2.0 | 8.07 | 8.20 | 0.13 | <=== | |
Show | 19694 | 21 52 21 +63 06 04 | MAD 12 AC | 2015 | 6 | 207 | 35.4 | 8.07 | 11.38 | 3.31 |
Name | HD 208185 | Constellation | Cepheus | SAO | 19694 | HIP | 107961 | ||||
Tycho2 | 4266-02714-1 | Gaia DR2 | 2216498416630401664 | HD | 208185 | GC | 30642 | ||||
BD | BD+62 1992 | Distance | 746.27 | Distance ly | 2434.33 |
refcode | metd | author | reference |
Mad1835 | Ma - | Beer & Maedler | 1835AN.....12..265B |
Mad1835 | +orb | AN 12, 265, 1835 | |
Mad1836 | orb - | Maedler, J.H. | 1836AN.....13....9M |
Mad1836 | AN 13, 9, #289, 1836 | ||
Mad1836b | Ma - | Maedler, J.H. | 1836AN.....13..247M |
Mad1836b | AN 13, 247, 1836 | ||
Mad1836c | Ma - | Maedler, J.H. | 1836AN.....13..259M |
Mad1836c | AN 13, 259, 1836 | ||
Mad1836d | orb - | Maedler, J.H. | 1836AN.....14...75M |
Mad1836d | AN 14, 75, 1836 | ||
Mad1837 | orb - | Maedler, J.H. | 1837AN.....14..109M |
Mad1837 | AN 14, 109, #319, 1837 | ||
Mad1837b | Ma - | Maedler, J.H. | 1837AN.....14..183M |
Mad1837b | AN 14, 183, 1837 | ||
Mad1838 | orb - | Maedler, J.H. | 1838AN.....15..151M |
Mad1838 | AN 15, 151, 1838 | ||
Mad1839 | orb - | Maedler, J.H. | 1839AN.....16...33M |
Mad1839 | AN 16, 33, #363, 1839 | ||
Mad1840 | - | Maedler, J.H. | . |
Mad1840 | Beob. K. Sternw. Berlin, 1, 142, 1840 | ||
Mad1842a | Ma - | Maedler, J.H. | . |
Mad1842a | +orb | Dorpat Observations 9, 37, 1842 | |
Mad1842b | orb - | Maedler, J.H. | 1842AN.....19..201M |
Mad1842b | +Ma | AN 19, 201, 1842 | |
Mad1843 | Ma - | Maedler, J.H. | . |
Mad1843 | Dorpat Observations 10, 29, 1843 | ||
Mad1843b | Ma j | Maedler, J.H. | 1843AN.....21..147M |
Mad1843b | AN 21, 147, 1843 | ||
Mad1844 | Ma - | Maedler, J.H. | . |
Mad1844 | Dorpat Observations 11, 3, 1844 | ||
Mad1844b | Ma - | Maedler, J.H. | 1844AN.....22...27M |
Mad1844b | AN 22, 27, 1844 | ||
Mad1845 | Ma - | Maedler, J.H. | . |
Mad1845 | Dorpat Observations 11, 95, 1845 | ||
Mad1848 | orb - | Maedler, J.H. | . |
Mad1848 | Unt. uber die Fixstern-Systeme, 1848 | ||
Mad1852A | Ma - | Maedler, J.H. | . |
Mad1852A | cited by Bishop (Bishop Obs. Astron. Observations 1852) | ||
Mad1856 | Ma - | Maedler, J.H. | . |
Mad1856 | +orb | Dorpat Observations 13, 1, 1856 | |
Mad1859 | Ma - | Maedler, J.H. | . |
Mad1859 | Dorpat Observations 15, 1, 1859 | ||
Mad1875A | Ma - | Maedler, J.H. | 1875AN.....85..323D |
Mad1875A | cited by Doberck, 1875 (see Dob1875b,f,g,h) | ||
Mad1878A | Ma - | Maedler, J.H. | 1878Obs.....2..183G |
Mad1878A | cited by Gledhill (Obs 2, 183, 1878) | ||
Mad1879A | orb - | Maedler, J.H. | 1879QB821.C95...... |
Mad1879A | cited by Crossley et al (Handbook of Double Stars, 1879), 304 | ||
Mad1880A | Ma - | Maedler, J.H. | 1880Obs.....3..382G |
Mad1880A | cited by Gledhill (Obs 3, 382, 1880) | ||
Mad1880B | Ma - | Maedler, J.H. | 1880Obs.....3..352G |
Mad1880B | cited by Gledhill (Obs 3, 352, 1880) | ||
Mad1884A | Ma - | Maedler, J.H. | 1884AReg...22..216S |
Mad1884A | cited by Sadler (Astr. Register 22, 216, 1884) | ||
Mad1896A | orb - | Maedler, J.H. | 1896QB421.S5....... |
Mad1896A | cited by See (Evolution of Stellar Systems, v1, 1896) | ||
Mad1906A | Ma - | Maedler, J.H. | 1906MmRAS..56....1L |
Mad1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
Mad1906B | Ma - | Maedler, J.H. | 1906QB821.B972..... |
Mad1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
Mad1914A | Ma - | Maedler, J.H. | 1914AN....198..107R |
Mad1914A | cited by Rabe (AN 198, 107, 1914) | ||
Mad1937A | Ma - | Maedler, J.H. | 1937AnLei..18....1S |
Mad1937A | cited by Strand (Ann. Sterrew. Leiden 18, 1937) | ||
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 |
21523+6306 | STF2845 | AB | 2005 | 35 | 173 | 2.0 | 8.07 | 8.20 | B2V | D | 215220.95+630604.5 |
21523+6306 | STF2845 | AB | 2009 | 37 | 173 | 2.0 | 8.07 | 8.20 | B2V | D | 215220.95+630604.5 |
21523+6306 | STF2845 | AB | 2016 | 36 | 173 | 2.0 | 8.07 | 8.20 | B2V | 215220.95+630604.5 | |
21523+6306 | STF2845 | AB | 2022 | 39 | 173 | 2.0 | 8.07 | 8.20 | B2V | 215220.95+630604.5 |
Show | date ⇓ | username | difficulty | separation | pa_estim | interest | notes |
Show | 22/08/14 | daedalus1 | mean difficulty | separated | 173 | Seeing: Pickering 4, poor. Measures: theta 173, rho 2.0 +/- 0.0. C component easily visible. |
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=176.8° sep=1.99" | |
C | pa=192.9° sep=32.42" | pa=193.9° sep=30.52" |
Name | HD 208185 | Coord arcsec 2000 | 215220.95+630604.5 | Mag | 8.07 | Spectral class | B2V (blue-white) | ||||
PmRA | 0.00 | PmDE | -1.0 | SAO | 19694 | HIP | 107961 | ||||
Tycho2 | 4266-02714-1 | HD | 208185 | GC | 30642 | BD | BD+62 1992 |
Tycho2 | 4266-02714-1 | Pflag | P | RAmdeg | 328.08736118 | DEmdeg | 63.10100907 | ||||
PmRA | 0.1 | PmDE | -1.2 | E RAmdeg | 6 | E DEmdeg | 6 | ||||
E pmRA | 3.3 | E pmDE | 3.6 | EpRAm | 1991.60 | EpDEm | 1991.65 | ||||
Num | 3 | Q RAmdeg | 0.0 | Q DEmdeg | 1.0 | Q pmRA | 0.0 | ||||
Q pmDE | 1.1 | BTmag | 8.161 | E BTmag | 0.017 | VTmag | 8.071 | ||||
E VTmag | 0.012 | Prox | 20 | TYC | T | HIP | 107961 | ||||
CCDM | A | RAdeg | 328.08728861 | DEdeg | 63.10125444 | EpRA 1990 | 1.65 | ||||
EpDE 1990 | 1.67 | E RAdeg | 5.5 | E DEdeg | 5.5 | Posflg | D | ||||
Corr | 0.0 |
SAO | 19694 | DelFlag | RA1950 | PmRA1950 | -0.0003 | ||||||
DE1950 | PmDE1950 | 0 | Vmag | 7.7 | SpType | B3 | |||||
Double code | Source | 70 | CatNum | 30642 | DM | BD+62 1992 | |||||
DMcomp | BDsup | HD | 208185 | M HD | 0 | ||||||
GC | 30642 | RA1950rad | 5.72008905 | DE1950rad | 1.09720506 | PmRA2000 | 0 | ||||
PmDE2000 | -0.005 |
Catalog | H | HIP | 107961 | Proxy | H | RAhms | 21 52 20.95 | ||||
DEdms | +63 06 04.5 | Vmag | 7.38 | VarFlag | R Vmag | G | |||||
RAdeg | 328.087 | DEdeg | 63.1013 | AstroRef | A | Plx | 1.89 | ||||
CCDM | 21523+6306 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 173 | Rho | 1.986 | HD | 208185 | BD | BD+62 1992 | ||||
CD | CP | Dm number | +62 1992 | VIred | 0.13 | ||||||
SpType | B2V | R SpType | Coord arcsec 2000 | 215220.95+630604.5 |
HIP | 107961 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.7262034648 | DErad | 1.1013246286 | Plx | 1.34 | PmRA | -1.4 | ||||
PmDE | -1.59 | E RArad | 0.63 | E DErad | 0.81 | E Plx | 0.84 | ||||
E pmRA | 0.7 | E pmDE | 0.83 | Hpmag | 7.4204 | E Hpmag | 0.0012 | ||||
SHp | 0.01 | VA | 0 | BV | 0.12 | E BV | 0.01 | ||||
VI | 0.13 |
Ccdm | 21523+6306 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.94 | DDEs | 3.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.4 | Sp | B3 | PmNote | * | ||||
PmRA | -9 | PmDE | 5 | Dm number | +62 1992 | Cat1 | BD | ||||
Name2 | +62 1278 | Cat2 | AGK2/3 | HD | 208185 | M HD | |||||
ADS BDS | A15417 | M ADS BDS | N IDS | IDS | 21496N6237A | ||||||
HIC | 107961 |
Coord arcsec 2000 | 215220.97+630602.5 | Mag | 8.2 | PmRA | 0.00 | PmDE | -1.0 | ||||
Tycho2 | 4266-02714-2 | Calc delta mag | 0.13 | Calc coord | yes |
Tycho2 | 4266-02714-2 | Pflag | P | RAmdeg | 328.08736118 | DEmdeg | 63.10100907 | ||||
PmRA | 0.1 | PmDE | -1.2 | E RAmdeg | 6 | E DEmdeg | 6 | ||||
E pmRA | 3.3 | E pmDE | 3.6 | EpRAm | 1991.60 | EpDEm | 1991.65 | ||||
Num | 3 | Q RAmdeg | 0.0 | Q DEmdeg | 1.0 | Q pmRA | 0.0 | ||||
Q pmDE | 1.1 | BTmag | 8.292 | E BTmag | 0.016 | VTmag | 8.202 | ||||
E VTmag | 0.013 | Prox | 20 | TYC | T | HIP | 107961 | ||||
CCDM | B | RAdeg | 328.08745111 | DEdeg | 63.10070778 | EpRA 1990 | 1.64 | ||||
EpDE 1990 | 1.68 | E RAdeg | 6.0 | E DEdeg | 6.0 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 21523+6306 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2845 | DRAs | DDEs | |||||||
R dRAs | Year | 1832 | Theta | 172 | Rho | 2.1 | |||||
Obs | 12 | Vmag | 8.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A15417 | M ADS BDS | N IDS | IDS | 21496N6237B | ||||||
HIC | 107961 |
Coord arcsec 2000 | 215219.89+630532.9 | Mag | 11.38 | PmRA | -4.00 | PmDE | -3.0 | ||||
Calc delta mag | 3.31 | Calc coord | yes |