Coord 2000 | 21555+6519 | Discov num | STT 457 | Comp | Coord arcsec 2000 | 21 55 30.99 +65 19 14.9 | |||||
Date first | 1847 | Date last | 2016 | Obs | 34 | ||||||
Pa first | 243 | Pa last | 246.4 | P.A. Now (θ) | 246.4° | ||||||
Sep first | 1.1 | Sep last | 1.357 | Sep. Now (ρ) | 1.357" | ||||||
Mag pri | 6.01 | Mag sec | 8.17 | delta mag (ΔM) | 2.16 | Spectral class | B2.5Ve (blue-white) | ||||
Pri motion ra | +011 | Sec motion ra | +011 | ||||||||
Pri motion dec | +001 | Sec motion dec | +001 | ||||||||
Notes |
Var name | NSV13966 | Constellation | Cepheus | SAO | 19742 | HIP | 108226 | ||||
Tycho2 | 4270-03600-1 | Gaia DR2 | 2219161021474452736 | HD | 208682 | HR | 8375 | ||||
GC | 30712 | ADS | 15467 | BD | BD+64 1607 | Distance | 314.47 | ||||
Distance ly | 1025.8 |
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 |
21555+6519 | STT 457 | 2004 | 28 | 245 | 1.3 | 6.01 | 8.17 | B2.5Ve | D | 215530.99+651914.9 | |
21555+6519 | STT 457 | 2008 | 30 | 246 | 1.3 | 6.01 | 8.17 | B2.5Ve | D | 215530.99+651914.9 | |
21555+6519 | STT 457 | 2011 | 31 | 245 | 1.3 | 6.01 | 8.17 | B2.5Ve | D | 215530.99+651914.9 | |
21555+6519 | STT 457 | 2016 | 32 | 246 | 1.4 | 6.01 | 8.17 | B2.5Ve | 215530.99+651914.9 |
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=223.7° sep=0.75" |
Componente originario normalizzato | AB | Name | NSV13966 | Coord arcsec 2000 | 215530.99+651914.9 | Mag | 6.01 | ||||
Spectral class | B2.5Ve (blue-white) | PmRA | 11.00 | PmDE | 1.0 | SAO | 19742 | ||||
HIP | 108226 | Tycho2 | 4270-03600-1 | HD | 208682 | HR | 8375 | ||||
GC | 30712 | BD | BD+64 1607 |
Tycho2 | 4270-03600-1 | Pflag | P | RAmdeg | 328.87913560 | DEmdeg | 65.32080354 | ||||
PmRA | 10.9 | PmDE | 0.9 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 1.8 | E pmDE | 1.8 | EpRAm | 1991.64 | EpDEm | 1991.60 | ||||
Num | 5 | Q RAmdeg | 1.3 | Q DEmdeg | 0.8 | Q pmRA | 1.2 | ||||
Q pmDE | 0.8 | BTmag | 5.901 | E BTmag | 0.014 | VTmag | 6.005 | ||||
E VTmag | 0.009 | Prox | 13 | TYC | T | HIP | 108226 | ||||
CCDM | A | RAdeg | 328.87912722 | DEdeg | 65.32081111 | EpRA 1990 | 1.68 | ||||
EpDE 1990 | 1.67 | E RAdeg | 3.4 | E DEdeg | 3.5 | Posflg | D | ||||
Corr | 0.1 |
SAO | 19742 | DelFlag | RA1950 | PmRA1950 | 0.0008 | ||||||
DE1950 | PmDE1950 | 0.008 | Vmag | 5.9 | SpType | B2 | |||||
Double code | Source | 70 | CatNum | 30712 | DM | BD+64 1607 | |||||
DMcomp | BDsup | HD | 208682 | M HD | 0 | ||||||
GC | 30712 | RA1950rad | 5.73430152 | DE1950rad | 1.13591275 | PmRA2000 | 0.0011 | ||||
PmDE2000 | 0.003 |
Catalog | H | HIP | 108226 | Proxy | H | RAhms | 21 55 30.99 | ||||
DEdms | +65 19 14.9 | Vmag | 5.84 | VarFlag | 1 | R Vmag | G | ||||
RAdeg | 328.879 | DEdeg | 65.3208 | AstroRef | A | Plx | 2.71 | ||||
CCDM | 21555+6519 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 246 | Rho | 1.308 | HD | 208682 | BD | BD+64 1607 | ||||
CD | CP | Dm number | +64 1607 | VIred | -0.08 | ||||||
SpType | B2.5Ve | R SpType | Coord arcsec 2000 | 215530.99+651914.9 |
HIP | 108226 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.740023642 | DErad | 1.1400632413 | Plx | 3.18 | PmRA | 6.3 | ||||
PmDE | -1.07 | E RArad | 0.34 | E DErad | 0.33 | E Plx | 0.39 | ||||
E pmRA | 0.46 | E pmDE | 0.45 | Hpmag | 5.8832 | E Hpmag | 0.0013 | ||||
SHp | 0.01 | VA | 2 | BV | -0.037 | E BV | 0.033 | ||||
VI | -0.08 |
Ccdm | 21555+6519 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.91 | DDEs | 15.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 5.9 | Sp | B2 | PmNote | * | ||||
PmRA | -1 | PmDE | 8 | Dm number | +64 1607 | Cat1 | BD | ||||
Name2 | +65 1159 | Cat2 | AGK2/3 | HD | 208682 | M HD | |||||
ADS BDS | A15467 | M ADS BDS | N IDS | IDS | 21529N6450A | ||||||
HIC | 108226 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 215530.91+651914.4 | Mag | 8.17 | PmRA | 11.00 | ||||
PmDE | 1.0 | Tycho2 | 4270-03600-2 | Calc delta mag | 2.16 | Calc coord | yes |
Tycho2 | 4270-03600-2 | Pflag | P | RAmdeg | 328.87913560 | DEmdeg | 65.32080354 | ||||
PmRA | 10.9 | PmDE | 0.9 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 1.8 | E pmDE | 1.8 | EpRAm | 1991.64 | EpDEm | 1991.60 | ||||
Num | 5 | Q RAmdeg | 1.3 | Q DEmdeg | 0.8 | Q pmRA | 1.2 | ||||
Q pmDE | 0.8 | BTmag | 8.152 | E BTmag | 0.017 | VTmag | 8.171 | ||||
E VTmag | 0.013 | Prox | 13 | TYC | HIP | 108226 | |||||
CCDM | B | RAdeg | 328.87831361 | DEdeg | 65.32065778 | EpRA 1990 | 1.71 | ||||
EpDE 1990 | 1.62 | E RAdeg | 5.3 | E DEdeg | 6.1 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 21555+6519 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STT 457 | DRAs | DDEs | |||||||
R dRAs | Year | 1848 | Theta | 247 | Rho | 1.4 | |||||
Obs | 13 | Vmag | 8.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A15467 | M ADS BDS | N IDS | IDS | 21529N6450B | ||||||
HIC | 108226 |