Coord 2000 | 12175+2856 | Discov num | STT 245 | Comp | Coord arcsec 2000 | 12 17 30.60 +28 56 13.6 | |||||
Date first | 1843 | Date last | 2016 | Obs | 27 | ||||||
Pa first | 278 | Pa last | 282 | P.A. Now (θ) | 282° | ||||||
Sep first | 7.4 | Sep last | 8.389 | Sep. Now (ρ) | 8.389" | ||||||
Mag pri | 5.70 | Mag sec | 11.20 | delta mag (ΔM) | 5.5 | Spectral class | A3IV (white) | ||||
Pri motion ra | -034 | Sec motion ra | |||||||||
Pri motion dec | +031 | Sec motion dec | |||||||||
Notes |
Name | HD 106887 | Constellation | Coma Berenices | SAO | 82219 | HIP | 59923 | ||||
Tycho2 | 1991-01894-1 | Gaia DR2 | 4013281045554253696 | HD | 106887 | HR | 4673 | ||||
GC | 16766 | ADS | 8501 | BD | BD+29 2275 | Distance | 54.95 | ||||
Distance ly | 179.25 |
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 |
12175+2856 | STT 245 | 1999 | 19 | 281 | 8.3 | 5.70 | 10.20 | A3IV | D | 121730.60+285613.6 | |
12175+2856 | STT 245 | 2009 | 20 | 281 | 8.3 | 5.70 | 10.20 | A3IV | D | 121730.60+285613.6 | |
12175+2856 | STT 245 | 2015 | 22 | 282 | 8.4 | 5.70 | 10.70 | A3IV | 121730.60+285613.6 | ||
12175+2856 | STT 245 | 2016 | 23 | 282 | 8.4 | 5.70 | 11.20 | A3IV | 121730.60+285613.6 |
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=283.7° sep=7.39" |
Componente originario normalizzato | AB | Name | HD 106887 | Coord arcsec 2000 | 121730.60+285613.6 | Mag | 5.7 | ||||
Spectral class | A3IV (white) | PmRA | -34.00 | PmDE | 31.0 | SAO | 82219 | ||||
HIP | 59923 | Tycho2 | 1991-01894-1 | HD | 106887 | HR | 4673 | ||||
GC | 16766 | ADS | 8501 | BD | BD+29 2275 |
Tycho2 | 1991-01894-1 | Pflag | RAmdeg | 184.37739927 | DEmdeg | 28.93718568 | |||||
PmRA | -32.4 | PmDE | 34.2 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 1.1 | E pmDE | 1.0 | EpRAm | 1991.67 | EpDEm | 1991.46 | ||||
Num | 12 | Q RAmdeg | 0.7 | Q DEmdeg | 1.0 | Q pmRA | 0.5 | ||||
Q pmDE | 1.0 | BTmag | 5.908 | E BTmag | 0.014 | VTmag | 5.722 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 59923 | ||||
CCDM | RAdeg | 184.37748361 | DEdeg | 28.93710694 | EpRA 1990 | 1.81 | |||||
EpDE 1990 | 1.71 | E RAdeg | 3.4 | E DEdeg | 3.7 | Posflg | |||||
Corr | 0.1 |
SAO | 82219 | DelFlag | RA1950 | PmRA1950 | -0.0033 | ||||||
DE1950 | PmDE1950 | 0.033 | Vmag | 5.7 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 16766 | DM | BD+29 2275 | |||||
DMcomp | BDsup | HD | 106887 | M HD | 0 | ||||||
GC | 16766 | RA1950rad | 3.20700945 | DE1950rad | 0.50988671 | PmRA2000 | -0.0032 | ||||
PmDE2000 | 0.037 |
Catalog | H | HIP | 59923 | Proxy | RAhms | 12 17 30.60 | |||||
DEdms | +28 56 13.6 | Vmag | 5.71 | VarFlag | R Vmag | H | |||||
RAdeg | 184.377 | DEdeg | 28.9371 | AstroRef | Plx | 18.74 | |||||
CCDM | 12175+2856 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 106887 | BD | BD+29 2275 | ||||||
CD | CP | Dm number | +29 2275 | VIred | 0.16 | ||||||
SpType | A4m | R SpType | Coord arcsec 2000 | 121730.60+285613.6 |
HIP | 59923 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 3.2179942461 | DErad | 0.5050477287 | Plx | 18.2 | PmRA | -33.85 | ||||
PmDE | 36.11 | E RArad | 0.31 | E DErad | 0.22 | E Plx | 0.35 | ||||
E pmRA | 0.43 | E pmDE | 0.21 | Hpmag | 5.7662 | E Hpmag | 0.0006 | ||||
SHp | 0.006 | VA | 0 | BV | 0.16 | E BV | 0.006 | ||||
VI | 0.16 |
Ccdm | 12175+2856 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.56 | DDEs | 14.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 5.7 | Sp | A0 | PmNote | * | ||||
PmRA | -40 | PmDE | 33 | Dm number | +29 2275 | Cat1 | BD | ||||
Name2 | +29 1257 | Cat2 | AGK2/3 | HD | 106887 | M HD | |||||
ADS BDS | A 8501 | M ADS BDS | N IDS | IDS | 12125N2930A | ||||||
HIC | 59923 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 121730.05+285615.3 | Mag | 11.2 | Calc delta mag | 5.5 | ||||
Calc coord | yes |
Ccdm | 12175+2856 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STT 245 | DRAs | -0.08 | DDEs | 16.0 | |||||
R dRAs | 90 | Year | 1958 | Theta | 280 | Rho | 8.6 | ||||
Obs | 8 | Vmag | 9.8 | Sp | PmNote | * | |||||
PmRA | -41 | PmDE | 40 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 8501 | M ADS BDS | N IDS | IDS | 12125N2930B | ||||||
HIC | 59923 |