Coord 2000 | 21037+3104 | Discov num | STT 427 | Comp | Coord arcsec 2000 | 21 03 39.87 +31 03 44.7 | |||||
Date first | 1846 | Date last | 2015 | Obs | 12 | ||||||
Pa first | 152 | Pa last | 152.9 | P.A. Now (θ) | 152.9° | ||||||
Sep first | 5.3 | Sep last | 4.129 | Sep. Now (ρ) | 4.129" | ||||||
Mag pri | 7.83 | Mag sec | 10.80 | delta mag (ΔM) | 2.97 | Spectral class | K2 (yellow-orange) | ||||
Pri motion ra | +020 | Sec motion ra | |||||||||
Pri motion dec | -010 | Sec motion dec | |||||||||
Notes |
Name | HD 200631 | Constellation | Cygnus | SAO | 70845 | Tycho2 | 2701-01188-1 | ||||
Gaia DR2 | 1864643563190293120 | HD | 200631 |
refcode | metd | author | reference |
STTA | (O. Struve DD - Appendix list) | ................... | |
Stt1864 | Ma - | Struve, O. | 1864MNRAS..24..149S |
Stt1864 | MNRAS 24, 149, 1864 | ||
Stt1866 | orb - | Struve, O. | . |
Stt1866 | Bull. Imp. Acad. Sci. St. Petersburg, 1866 | ||
Stt1874 | orb - | Struve, O. | . |
Stt1874 | Compte Rendus 79, 1467, 1874 | ||
Stt1875 | orb - | Struve, O. | 1875MNRAS..35..367S |
Stt1875 | MNRAS 35, 367, 1875 | ||
Stt1878 | Ma - | Struve, O. | 1878ObPul...9....1S |
Stt1878 | Pulkova Observations 9, 1, 1878 | ||
Stt1879A | Ma - | Struve, O. | 1879Obs.....2..304G |
Stt1879A | cited by Gledhill (Obs 2, 304, 1879) | ||
Stt1879B | Ma - | Struve, O. | 1879Obs.....3..245G |
Stt1879B | cited by Gledhill (Obs 3, 245, 1879) | ||
Stt1879C | Ma - | Struve, O. | 1879Obs.....2..344G |
Stt1879C | cited by Gledhill (Obs 2, 344, 1879) | ||
Stt1880A | Ma - | Struve, O. | 1880Obs.....2..605H |
Stt1880A | cited by Hunt (Obs. 3, 605, 1880) | ||
Stt1880B | Ma - | Struve, O. | 1880Obs.....3..535G |
Stt1880B | cited by Gledhill (Obs 3, 535, 1880) | ||
Stt1880C | Ma - | Struve, O. | 1880MNRAS..40..497B |
Stt1880C | cited by Burnham (MNRAS 40, 497, 1880) | ||
Stt1884A | Ma - | Struve, O. | 1884AReg...22..216S |
Stt1884A | cited by Sadler (Astr. Register 22, 216, 1884) | ||
Stt1893a | Ma j | Struve, O. | 1893ObPul..10....1S |
Stt1893a | Pulkova Obs. Observations 10, 1, 1893 | ||
Stt1906A | Ma - | Struve, O. | 1906MmRAS..56....1L |
Stt1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
Stt1906B | Ma j | Struve, O. | 1906QB821.B972..... |
Stt1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
Stt1908A | Ma - | Struve, O. | 1908MNRAS..68..465B |
Stt1908A | cited by Barnard (MNRAS 68, 465, 1908) | ||
Stt1913A | Ma - | Struve, O. | 1913QB811.B8....... |
Stt1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
Stt1914A | Ma - | Struve, O. | 1914AN....198..107R |
Stt1914A | cited by Rabe (AN 198, 107, 1914) | ||
Stt1932A | Ma - | Struve, O. | 1932QB821.A43...... |
Stt1932A | cited in ADS (Aitken Double Star Cat., 1932) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
21037+3104 | STT 427 | 1988 | 10 | 151 | 4.2 | 7.83 | 11.90 | K2 | D | 210339.87+310344.7 | |
21037+3104 | STT 427 | 2015 | 12 | 153 | 4.1 | 7.83 | 10.80 | K2 | 210339.87+310344.7 |
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 | pa=156.3° sep=4.01" |
Componente originario normalizzato | AB | Name | HD 200631 | Coord arcsec 2000 | 210339.87+310344.7 | Mag | 7.83 | ||||
Spectral class | K2 (yellow-orange) | PmRA | 20.00 | PmDE | -10.0 | SAO | 70845 | ||||
Tycho2 | 2701-01188-1 | HD | 200631 | DM | BD+30 4299 |
Tycho2 | 2701-01188-1 | Pflag | RAmdeg | 315.91615714 | DEmdeg | 31.06242427 | |||||
PmRA | 8.0 | PmDE | 2.7 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 1.5 | E pmDE | 1.4 | EpRAm | 1991.11 | EpDEm | 1991.44 | ||||
Num | 8 | Q RAmdeg | 1.2 | Q DEmdeg | 1.6 | Q pmRA | 1.2 | ||||
Q pmDE | 1.6 | BTmag | 9.120 | E BTmag | 0.017 | VTmag | 7.829 | ||||
E VTmag | 0.011 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 315.91613444 | DEdeg | 31.06241833 | EpRA 1990 | 1.45 | |||||
EpDE 1990 | 1.65 | E RAdeg | 5.5 | E DEdeg | 4.9 | Posflg | |||||
Corr | 0.0 |
SAO | 70845 | DelFlag | RA1950 | PmRA1950 | 0.0024 | ||||||
DE1950 | PmDE1950 | -0.01 | Vmag | 7.5 | SpType | K2 | |||||
Double code | Source | 6 | CatNum | 2261 | DM | BD+30 4299 | |||||
DMcomp | BDsup | HD | 200631 | M HD | 0 | ||||||
GC | RA1950rad | 5.50463126 | DE1950rad | 0.53866529 | PmRA2000 | 0.0025 | |||||
PmDE2000 | -0.013 |
Ccdm | 21037+3104 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.10 | DDEs | -15.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.8 | Sp | K2 | PmNote | * | ||||
PmRA | 22 | PmDE | 0 | Dm number | +30 4299 | Cat1 | BD | ||||
Name2 | +30 2261 | Cat2 | AGK2/3 | HD | 200631 | M HD | |||||
ADS BDS | A14597 | M ADS BDS | N IDS | IDS | 20595N3040A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 210340.00+310341.0 | Mag | 10.8 | Calc delta mag | 2.97 | ||||
Calc coord | yes |
Ccdm | 21037+3104 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STT 427 | DRAs | DDEs | |||||||
R dRAs | Year | 1846 | Theta | 149 | Rho | 5.3 | |||||
Obs | 8 | Vmag | 11.9 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A14597 | M ADS BDS | N IDS | IDS | 20595N3040B | ||||||
HIC |