Coord 2000 | 20106+3338 | Discov num | STT 541 | Comp | BC | Coord arcsec 2000 | 20 10 38.34 +33 37 50.7 | ||||
Date first | 1840 | Date last | 2021 | Obs | 26 | ||||||
Pa first | 194 | Pa last | 184.3 | P.A. Now (θ) | 184.3° | ||||||
Sep first | 1.5 | Sep last | 1.75 | Sep. Now (ρ) | 1.75" | ||||||
Mag pri | 8.43 | Mag sec | 9.73 | delta mag (ΔM) | 1.3 | Spectral class | B8V (blue-white) | ||||
Pri motion ra | -003 | Sec motion ra | -003 | ||||||||
Pri motion dec | +000 | Sec motion dec | +000 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 191812 | 69553 | 20 10 35 +33 38 03 | S 738 AB | 2021 | 44 | 106 | 42.4 | 7.76 | 8.43 | 0.67 | ||
Show | 69554 | 20 10 38 +33 37 51 | STT 541 BC | 2021 | 26 | 184 | 1.8 | 8.43 | 9.73 | 1.30 | <=== |
Constellation | Cygnus | SAO | 69554 | HIP | 99416 | Tycho2 | 2675-03000-1 | ||||
Gaia DR2 | 2055252734321271296 | HD | 191813 | GC | 28007 | BD | BD+33 3780 | ||||
Distance | 444.44 | Distance ly | 1449.76 |
discov_num | notes | refcode |
S 738 | B is BD+33@3780. |
refcode | metd | author | reference |
S__1826 | Ma - | South, J. | 1826RSPT..116....1S |
S__1826 | Phil. Trans. R. Soc., 116, Pt.1, 1826 | ||
S__1844A | Ma - | South, J. | 1844QB43.S66....... |
S__1844A | cited by Smyth (Cycle of Celestial Objects 2, 1844) | ||
S__1852A | Ma - | South, J. | . |
S__1852A | cited by Bishop (Bishop Obs. Astron. Observations 1852) | ||
S__1880A | Ma - | South, J. | 1880MNRAS..40..497B |
S__1880A | cited by Burnham (MNRAS 40, 497, 1880) | ||
S__1906A | Ma - | South, J. | 1906MmRAS..56....1L |
S__1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
S__1906B | Ma - | South, J. | 1906QB821.B972..... |
S__1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
S__1913A | Ma - | South, J. | 1913QB811.B8....... |
S__1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
S__1922A | Ma - | South, J. | 1922AN....216...49R |
S__1922A | cited by Rabe (AN 216, 49, 1922) | ||
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 |
20106+3338 | STT 541 | BC | 1999 | 22 | 183 | 1.8 | 8.43 | 9.73 | D | 201038.34+333750.7 | |
20106+3338 | STT 541 | BC | 2011 | 24 | 182 | 1.7 | 8.43 | 9.73 | N | 201038.34+333750.7 | |
20106+3338 | STT 541 | BC | 2017 | 25 | 182 | 1.8 | 8.43 | 9.73 | B8V | N | 201038.34+333750.7 |
20106+3338 | STT 541 | BC | 2021 | 26 | 184 | 1.8 | 8.43 | 9.73 | B8V | N | 201038.34+333750.7 |
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 | |
B | pa=106.7° sep=41.85" | |
C | pa=109.0° sep=42.28" | pa=183.6° sep=1.75" |
Name | HD 191812 | Coord arcsec 2000 | 201035.13+333802.7 | Mag | 7.76 | Spectral class | B9V (blue-white) | ||||
PmRA | -11.00 | PmDE | -17.0 | SAO | 69553 | HIP | 99409 | ||||
Tycho2 | 2675-03113-1 | HD | 191812 | GC | 28006 | BD | BD+33 3778 |
Tycho2 | 2675-03113-1 | Pflag | RAmdeg | 302.64633305 | DEmdeg | 33.63404077 | |||||
PmRA | -10.5 | PmDE | -19.9 | E RAmdeg | 5 | E DEmdeg | 4 | ||||
E pmRA | 1.5 | E pmDE | 1.4 | EpRAm | 1991.23 | EpDEm | 1991.55 | ||||
Num | 8 | Q RAmdeg | 1.0 | Q DEmdeg | 1.2 | Q pmRA | 0.9 | ||||
Q pmDE | 1.4 | BTmag | 7.860 | E BTmag | 0.015 | VTmag | 7.764 | ||||
E VTmag | 0.011 | Prox | 419 | TYC | T | HIP | 99409 | ||||
CCDM | RAdeg | 302.64636278 | DEdeg | 33.63408639 | EpRA 1990 | 1.49 | |||||
EpDE 1990 | 1.72 | E RAdeg | 5.0 | E DEdeg | 4.4 | Posflg | |||||
Corr | 0.0 |
SAO | 69553 | DelFlag | RA1950 | PmRA1950 | -0.001 | ||||||
DE1950 | PmDE1950 | -0.008 | Vmag | 8.6 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 28006 | DM | BD+33 3778 | |||||
DMcomp | BDsup | HD | 191812 | M HD | 0 | ||||||
GC | 28006 | RA1950rad | 5.27371389 | DE1950rad | 0.58442706 | PmRA2000 | -0.0008 | ||||
PmDE2000 | -0.01 |
Catalog | H | HIP | 99409 | Proxy | RAhms | 20 10 35.13 | |||||
DEdms | +33 38 02.7 | Vmag | 7.71 | VarFlag | R Vmag | G | |||||
RAdeg | 302.646 | DEdeg | 33.6341 | AstroRef | Plx | 3.68 | |||||
CCDM | 20106+3338 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 191812 | BD | BD+33 3778 | ||||||
CD | CP | Dm number | +33 3778 | VIred | 0.06 | ||||||
SpType | B9V | R SpType | Coord arcsec 2000 | 201035.13+333802.7 |
HIP | 99409 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.2821755545 | DErad | 0.5870256021 | Plx | 3.32 | PmRA | -9.68 | ||||
PmDE | -17.09 | E RArad | 0.45 | E DErad | 0.54 | E Plx | 0.75 | ||||
E pmRA | 0.52 | E pmDE | 0.62 | Hpmag | 7.792 | E Hpmag | 0.0015 | ||||
SHp | 0.016 | VA | 0 | BV | 0.075 | E BV | 0.009 | ||||
VI | 0.06 |
Ccdm | 20106+3338 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.82 | DDEs | 3.9 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 8.6 | Sp | A0 | PmNote | * | ||||
PmRA | 3 | PmDE | 4 | Dm number | +33 3778 | Cat1 | BD | ||||
Name2 | +33 1903 | Cat2 | AGK2/3 | HD | 191812 | M HD | |||||
ADS BDS | A13463 | M ADS BDS | N IDS | IDS | 20067N3320A | ||||||
HIC | 99409 |
Coord arcsec 2000 | 201038.34+333750.7 | Coord calc | 201038.34+333750.7 | Mag | 8.43 | Spectral class | B8V (blue-white) | ||||
PmRA | -3.00 | PmDE | 0.0 | SAO | 69554 | HIP | 99416 | ||||
Tycho2 | 2675-03000-1 | HD | 191813 | GC | 28007 | BD | BD+33 3780 | ||||
Calc delta mag | 0.67 |
Tycho2 | 2675-03000-1 | Pflag | P | RAmdeg | 302.65974580 | DEmdeg | 33.63069105 | ||||
PmRA | -2.7 | PmDE | 0.3 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 2.0 | E pmDE | 1.8 | EpRAm | 1991.33 | EpDEm | 1991.62 | ||||
Num | 6 | Q RAmdeg | 2.0 | Q DEmdeg | 1.2 | Q pmRA | 2.0 | ||||
Q pmDE | 1.2 | BTmag | 8.403 | E BTmag | 0.016 | VTmag | 8.428 | ||||
E VTmag | 0.013 | Prox | 18 | TYC | T | HIP | 99416 | ||||
CCDM | B | RAdeg | 302.65975944 | DEdeg | 33.63075056 | EpRA 1990 | 1.48 | ||||
EpDE 1990 | 1.74 | E RAdeg | 6.4 | E DEdeg | 5.2 | Posflg | D | ||||
Corr | 0.0 |
SAO | 69554 | DelFlag | RA1950 | PmRA1950 | 0.0006 | ||||||
DE1950 | PmDE1950 | -0.012 | Vmag | 8.6 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 28007 | DM | BD+33 3780 | |||||
DMcomp | BDsup | HD | 191813 | M HD | 0 | ||||||
GC | 28007 | RA1950rad | 5.27394762 | DE1950rad | 0.58435965 | PmRA2000 | 0.0008 | ||||
PmDE2000 | -0.014 |
Catalog | H | HIP | 99416 | Proxy | H | RAhms | 20 10 38.34 | ||||
DEdms | +33 37 50.7 | Vmag | 8.19 | VarFlag | R Vmag | H | |||||
RAdeg | 302.66 | DEdeg | 33.6308 | AstroRef | B | Plx | 2.83 | ||||
CCDM | 20106+3338 | N CCDM | I | Nsys | 2 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | BC | |||||
Theta | 184 | Rho | 1.769 | HD | 191813 | BD | BD+33 3780 | ||||
CD | CP | Dm number | +33 3780 | VIred | 0.01 | ||||||
SpType | B9V | R SpType | Coord arcsec 2000 | 201038.34+333750.7 |
HIP | 99416 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.2824092653 | DErad | 0.5869673869 | Plx | 2.25 | PmRA | -0.17 | ||||
PmDE | -1.47 | E RArad | 0.6 | E DErad | 0.82 | E Plx | 0.99 | ||||
E pmRA | 0.71 | E pmDE | 0.91 | Hpmag | 8.1927 | E Hpmag | 0.0016 | ||||
SHp | 0.017 | VA | 0 | BV | -0.007 | E BV | 0.009 | ||||
VI | 0.01 |
Ccdm | 20106+3338 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | S 738 | DRAs | 2.36 | DDEs | -9.0 | |||||
R dRAs | 10 | Year | 1934 | Theta | 108 | Rho | 41.2 | ||||
Obs | 11 | Vmag | 8.7 | Sp | A0 | PmNote | * | ||||
PmRA | 6 | PmDE | 10 | Dm number | +33 3780 | Cat1 | BD | ||||
Name2 | +33 1904 | Cat2 | AGK2/3 | HD | 191813 | M HD | |||||
ADS BDS | A13463 | M ADS BDS | N IDS | IDS | 20067N3320B | ||||||
HIC | 99416 |
Coord arcsec 2000 | 201038.33+333749.0 | Mag | 9.73 | PmRA | -3.00 | PmDE | 0.0 | ||||
Tycho2 | 2675-03000-2 | Calc delta mag | 1.97 | Calc coord | yes |
Tycho2 | 2675-03000-2 | Pflag | P | RAmdeg | 302.65974580 | DEmdeg | 33.63069105 | ||||
PmRA | -2.7 | PmDE | 0.3 | E RAmdeg | 6 | E DEmdeg | 5 | ||||
E pmRA | 2.0 | E pmDE | 1.8 | EpRAm | 1991.33 | EpDEm | 1991.62 | ||||
Num | 6 | Q RAmdeg | 2.0 | Q DEmdeg | 1.2 | Q pmRA | 2.0 | ||||
Q pmDE | 1.2 | BTmag | 9.946 | E BTmag | 0.025 | VTmag | 9.730 | ||||
E VTmag | 0.026 | Prox | 18 | TYC | T | HIP | 99416 | ||||
CCDM | C | RAdeg | 302.65971222 | DEdeg | 33.63025222 | EpRA 1990 | 1.46 | ||||
EpDE 1990 | 1.77 | E RAdeg | 17.6 | E DEdeg | 13.0 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 20106+3338 | RComp | B | Comp | C | Note1 | |||||
Note2 | Discov num | STT 541 | DRAs | DDEs | |||||||
R dRAs | Year | 1935 | Theta | 185 | Rho | 1.8 | |||||
Obs | 10 | Vmag | 10.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A13463 | M ADS BDS | N IDS | IDS | 20067N3320C | ||||||
HIC | 99416 |