Coord 2000 | 15158+5056 | Discov num | STTA137 | Comp | Coord arcsec 2000 | 15 15 50.71 +50 56 18.4 | |||||
Date first | 1876 | Date last | 2015 | Obs | 36 | ||||||
Pa first | 107 | Pa last | 101 | P.A. Now (θ) | 101° | ||||||
Sep first | 75.8 | Sep last | 67.169 | Sep. Now (ρ) | 67.169" | ||||||
Mag pri | 6.56 | Mag sec | 8.94 | delta mag (ΔM) | 2.38 | Spectral class | G5 (yellow) | ||||
Pri motion ra | +025 | Sec motion ra | -024 | ||||||||
Pri motion dec | -046 | Sec motion dec | +012 | ||||||||
Notes | N U (See Notes, Proper motion indicates non-physical) |
Name | HD 135944 | Constellation | Bootes | SAO | 29464 | HIP | 74690 | ||||
Tycho2 | 3488-01292-1 | Gaia DR2 | 1595705763509064832 | HD | 135944 | GC | 20540 | ||||
BD | BD+51 1990 | Distance | 61.84 | Distance ly | 201.72 |
discov_num | notes | refcode |
STTA137 | B is BD+51@1992. |
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 |
15158+5056 | STTA137 | 2004 | 29 | 102 | 68.1 | 6.56 | 8.94 | G5 | NLD | 151550.71+505618.4 | |
15158+5056 | STTA137 | 2008 | 30 | 101 | 67.6 | 6.56 | 8.94 | G5 | NLD | 151550.71+505618.4 | |
15158+5056 | STTA137 | 2011 | 31 | 102 | 67.3 | 6.56 | 8.94 | G5 | NLD | 151550.71+505618.4 | |
15158+5056 | STTA137 | 2015 | 34 | 101 | 67.2 | 6.56 | 8.94 | G5 | NL | 151550.71+505618.4 |
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=107.1° sep=43.48" |
Componente originario normalizzato | AB | Name | HD 135944 | Coord arcsec 2000 | 151550.71+505618.4 | Mag | 6.56 | ||||
Spectral class | G5 (yellow) | PmRA | 25.00 | PmDE | -46.0 | SAO | 29464 | ||||
HIP | 74690 | Tycho2 | 3488-01292-1 | HD | 135944 | GC | 20540 | ||||
BD | BD+51 1990 |
Tycho2 | 3488-01292-1 | Pflag | RAmdeg | 228.96127233 | DEmdeg | 50.93845768 | |||||
PmRA | 24.0 | PmDE | -45.6 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 0.9 | E pmDE | 1.0 | EpRAm | 1991.35 | EpDEm | 1991.44 | ||||
Num | 15 | Q RAmdeg | 1.0 | Q DEmdeg | 0.5 | Q pmRA | 1.0 | ||||
Q pmDE | 0.6 | BTmag | 7.528 | E BTmag | 0.015 | VTmag | 6.562 | ||||
E VTmag | 0.010 | Prox | 686 | TYC | T | HIP | 74690 | ||||
CCDM | RAdeg | 228.96118444 | DEdeg | 50.93856278 | EpRA 1990 | 1.69 | |||||
EpDE 1990 | 1.71 | E RAdeg | 3.8 | E DEdeg | 3.9 | Posflg | |||||
Corr | -0.1 |
SAO | 29464 | DelFlag | RA1950 | PmRA1950 | 0.0018 | ||||||
DE1950 | PmDE1950 | -0.051 | Vmag | 6.5 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 20540 | DM | BD+51 1990 | |||||
DMcomp | BDsup | HD | 135944 | M HD | 0 | ||||||
GC | 20540 | RA1950rad | 3.98945108 | DE1950rad | 0.89225608 | PmRA2000 | 0.0024 | ||||
PmDE2000 | -0.047 |
Catalog | H | HIP | 74690 | Proxy | RAhms | 15 15 50.68 | |||||
DEdms | +50 56 18.8 | Vmag | 6.47 | VarFlag | R Vmag | H | |||||
RAdeg | 228.961 | DEdeg | 50.9386 | AstroRef | Plx | 16.52 | |||||
CCDM | 15159+5056 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 135944 | BD | BD+51 1990 | ||||||
CD | CP | Dm number | +51 1990 | VIred | 0.86 | ||||||
SpType | G5 | R SpType | Coord arcsec 2000 | 151550.68+505618.8 |
HIP | 74690 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 3.9961264604 | DErad | 0.8890457224 | Plx | 16.17 | PmRA | 24.95 | ||||
PmDE | -45.53 | E RArad | 0.29 | E DErad | 0.26 | E Plx | 0.31 | ||||
E pmRA | 0.31 | E pmDE | 0.32 | Hpmag | 6.6224 | E Hpmag | 0.0006 | ||||
SHp | 0.007 | VA | 0 | BV | 0.854 | E BV | 0.005 | ||||
VI | 0.87 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 151555.11+505605.6 | Mag | 8.94 | PmRA | -24.00 | ||||
PmDE | 12.0 | Calc delta mag | 2.38 | Calc coord | yes |