Coord 2000 | 10302+5100 | Discov num | STT 219 | Comp | Coord arcsec 2000 | 10 30 11.49 +50 59 36.2 | |||||
Date first | 1831 | Date last | 2015 | Obs | 25 | ||||||
Pa first | 305 | Pa last | 297.3 | P.A. Now (θ) | 297.3° | ||||||
Sep first | 12.0 | Sep last | 13.176 | Sep. Now (ρ) | 13.176" | ||||||
Mag pri | 7.60 | Mag sec | 11.70 | delta mag (ΔM) | 4.1 | Spectral class | A7IV (white) | ||||
Pri motion ra | -048 | Sec motion ra | -063 | ||||||||
Pri motion dec | -024 | Sec motion dec | -023 | ||||||||
Notes | N (See Notes) |
Name | HD 90806 | Constellation | Ursa Major | SAO | 27664 | HIP | 51427 | ||||
Tycho2 | 3448-01125-1 | Gaia DR2 | 847362348462268672 | HD | 90806 | GC | 14410 | ||||
BD | BD+51 1604 | Distance | 158.48 | Distance ly | 516.96 |
discov_num | notes | refcode |
STT 219 | BDS 5471, HJ 2535 probably same star. The Hipparcos secondary | |
magnitude of 7.70 is very different than the visual mean of 11.2. |
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 |
10302+5100 | STT 219 | 1999 | 16 | 298 | 13.2 | 7.60 | 11.20 | A7IV | N D | 103011.49+505936.2 | |
10302+5100 | STT 219 | 2010 | 17 | 297 | 13.3 | 7.60 | 11.20 | A7IV | N D | 103011.49+505936.2 | |
10302+5100 | STT 219 | 2015 | 20 | 297 | 13.2 | 7.60 | 11.70 | A7IV | N | 103011.49+505936.2 |
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=309.4° sep=9.53" |
Componente originario normalizzato | AB | Name | HD 90806 | Coord arcsec 2000 | 103011.49+505936.2 | Mag | 7.6 | ||||
Spectral class | A7IV (white) | PmRA | -48.00 | PmDE | -24.0 | SAO | 27664 | ||||
HIP | 51427 | Tycho2 | 3448-01125-1 | HD | 90806 | GC | 14410 | ||||
BD | BD+51 1604 |
Tycho2 | 3448-01125-1 | Pflag | RAmdeg | 157.54768044 | DEmdeg | 50.99332331 | |||||
PmRA | -47.6 | PmDE | -23.3 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.0 | E pmDE | 1.1 | EpRAm | 1991.49 | EpDEm | 1991.51 | ||||
Num | 15 | Q RAmdeg | 1.8 | Q DEmdeg | 0.8 | Q pmRA | 1.8 | ||||
Q pmDE | 0.8 | BTmag | 7.829 | E BTmag | 0.015 | VTmag | 7.571 | ||||
E VTmag | 0.010 | Prox | 999 | TYC | T | HIP | 51427 | ||||
CCDM | RAdeg | 157.54785194 | DEdeg | 50.99337639 | EpRA 1990 | 1.87 | |||||
EpDE 1990 | 1.80 | E RAdeg | 4.0 | E DEdeg | 4.4 | Posflg | |||||
Corr | -0.1 |
SAO | 27664 | DelFlag | RA1950 | PmRA1950 | -0.006 | ||||||
DE1950 | PmDE1950 | -0.037 | Vmag | 7.6 | SpType | F0 | |||||
Double code | Source | 70 | CatNum | 14410 | DM | BD+51 1604 | |||||
DMcomp | BDsup | HD | 90806 | M HD | 0 | ||||||
GC | 14410 | RA1950rad | 2.73622051 | DE1950rad | 0.89447996 | PmRA2000 | -0.0058 | ||||
PmDE2000 | -0.032 |
Catalog | H | HIP | 51427 | Proxy | RAhms | 10 30 11.49 | |||||
DEdms | +50 59 36.2 | Vmag | 7.56 | VarFlag | R Vmag | G | |||||
RAdeg | 157.548 | DEdeg | 50.9934 | AstroRef | Plx | 7.64 | |||||
CCDM | 10302+5100 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 90806 | BD | BD+51 1604 | ||||||
CD | CP | Dm number | +51 1604 | VIred | 0.23 | ||||||
SpType | F0 | R SpType | Coord arcsec 2000 | 103011.49+505936.2 |
HIP | 51427 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 2.7497289613 | DErad | 0.8900023792 | Plx | 6.31 | PmRA | -47.99 | ||||
PmDE | -23.59 | E RArad | 0.55 | E DErad | 0.45 | E Plx | 0.81 | ||||
E pmRA | 0.64 | E pmDE | 0.43 | Hpmag | 7.6031 | E Hpmag | 0.0012 | ||||
SHp | 0.012 | VA | 0 | BV | 0.21 | E BV | 0.015 | ||||
VI | 0.23 |
Ccdm | 10302+5100 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.52 | DDEs | -23.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.7 | Sp | F0 | PmNote | * | ||||
PmRA | -39 | PmDE | -15 | Dm number | +51 1604 | Cat1 | BD | ||||
Name2 | +51 806 | Cat2 | AGK2/3 | HD | 90806 | M HD | |||||
ADS BDS | A 7796 | M ADS BDS | N IDS | IDS | 10240N5130A | ||||||
HIC | 51427 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 103010.71+505942.2 | Mag | 11.7 | PmRA | -63.00 | ||||
PmDE | -23.0 | Calc delta mag | 4.1 | Calc coord | yes |
Ccdm | 10302+5100 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STT 219 | DRAs | -1.86 | DDEs | -17.0 | |||||
R dRAs | 90 | Year | 1847 | Theta | 297 | Rho | 13.4 | ||||
Obs | 7 | Vmag | 11.0 | Sp | PmNote | * | |||||
PmRA | -47 | PmDE | -13 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 7796 | M ADS BDS | N | N IDS | IDS | 10240N5130B | |||||
HIC | 51426 |