Coord 2000 | 03156+5245 | Discov num | ES 768 | Comp | AB | Coord arcsec 2000 | 03 15 37.41 +52 44 59.2 | ||||
Date first | 1903 | Date last | 2002 | Obs | 6 | ||||||
Pa first | 315 | Pa last | 315.3 | P.A. Now (θ) | 315.3° | ||||||
Sep first | 74.2 | Sep last | 75.757 | Sep. Now (ρ) | 75.757" | ||||||
Mag pri | 8.66 | Mag sec | 11.71 | delta mag (ΔM) | 3.05 | Spectral class | A0 (white) | ||||
Pri motion ra | +013 | Sec motion ra | -013 | ||||||||
Pri motion dec | -018 | Sec motion dec | -003 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 20054 | 23904 | 03 15 37 +52 44 59 | ES 768 AB | 2002 | 6 | 315 | 75.8 | 8.66 | 11.71 | 3.05 | <=== | |
Show | 23904 | 03 15 37 +52 44 59 | ES 768 AD | 2014 | 5 | 346 | 36.3 | 8.66 | 13.18 | 4.52 | |||
Show | 03 15 32 +52 45 53 | ES 768 BC | 2016 | 5 | 45 | 2.8 | 11.71 | 13.20 | 1.49 |
Name | HD 20054 | Constellation | Perseus | SAO | 23904 | HIP | 15179 | ||||
Tycho2 | 3702-00319-1 | Gaia DR2 | 446087535429425536 | HD | 20054 | BD | BD+52 672 | ||||
Distance | 238.66 | Distance ly | 778.51 |
refcode | metd | author | reference |
Es_1901 | Mb - | Espin, T.E. | 1901AN....155..321E |
Es_1901 | AN 155, 321, 1901 (ES 1 - 39) | ||
Es_1902a | Ma - | Espin, T.E. | 1902AN....158..241E |
Es_1902a | +Mb | AN 158, 241, 1902 (ES 40 - 112) | |
Es_1902b | Mb - | Espin, T.E. | 1902MNRAS..62..528E |
Es_1902b | MNRAS 62, 528, 1902 | ||
Es_1902c | Mb j | Espin, T.E. | 1902MNRAS..62..402E |
Es_1902c | MNRAS 62, 402, 1902 | ||
Es_1903 | Mb - | Espin, T.E. | 1903MNRAS..63..172E |
Es_1903 | MNRAS 63, 172, 1903 (ES 113 - 150) | ||
Es_1904a | - | Espin, T.E. | 1904MNRAS..64..238E |
Es_1904a | MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) | 1905MNRAS..65..710E | |
Es_1904b | Mb - | Espin, T.E. | 1904MNRAS..64..675E |
Es_1904b | MNRAS 64, 675, 1904 | ||
Es_1905 | Mb - | Espin, T.E. | 1905MNRAS..65..710E |
Es_1905 | MNRAS 65, 710, 1905 (ES 151 - 221) | ||
Es_1906a | Mb - | Espin, T.E. | 1906MNRAS..66..141E |
Es_1906a | MNRAS 66, 141, 1906 (ES 222 - 269) | ||
Es_1906b | Mb - | Espin, T.E. | 1906MNRAS..66..430E |
Es_1906b | MNRAS 66, 430, 1906 (ES 270 - 311) | ||
Es_1906C | Mb - | Espin, T.E. | 1906QB821.B972..... |
Es_1906C | cited in BDS (Burnham Double Star Cat.), 1906 | ||
Es_1906D | Mb - | Espin, T.E. | 1906MmRAS..56....1L |
Es_1906D | cited by Lewis (MemRAS 56, 1, 1906) | ||
Es_1907a | Mb j | Espin, T.E. | 1907MNRAS..67..190E |
Es_1907a | MNRAS 67, 190, 1907 (ES 312 - 403) | ||
Es_1907b | Mb - | Espin, T.E. | 1907MNRAS..67..495E |
Es_1907b | MNRAS 67, 495, 1907 (ES 404 - 442) | ||
Es_1908a | Mb j | Espin, T.E. | 1908MNRAS..68..202E |
Es_1908a | MNRAS 68, 202, 1908 (ES 443 - 551) | ||
Es_1908b | Mb - | Espin, T.E. | 1908MNRAS..68..523E |
Es_1908b | MNRAS 68, 523, 1908 (ES 552 - 609) | ||
Es_1908c | - | Espin, T.E. | 1908JRASC...2..248E |
Es_1908c | JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) | 1909MNRAS..69..218E | |
Es_1909a | Mb j | Espin, T.E. | 1909MNRAS..69..218E |
Es_1909a | MNRAS 69, 218, 1909 (ES 610 - 704) | ||
Es_1909b | Mb j | Espin, T.E. | 1909MNRAS..69..604E |
Es_1909b | MNRAS 69, 604, 1909 (ES 705 - 743) | ||
Es_1910a | Mb - | Espin, T.E. | 1910MNRAS..70..237E |
Es_1910a | MNRAS 70, 237, 1910 (ES 744 - 864) | ||
Es_1910b | Mb - | Espin, T.E. | 1910MNRAS..70..541E |
Es_1910b | MNRAS 70, 541, 1910 (ES 865 - 927) | ||
Es_1911 | Mb - | Espin, T.E. | 1911MNRAS..71..217E |
Es_1911 | MNRAS 71, 217, 1911 (ES 928 - 1051) | ||
Es_1912 | Mb - | Espin, T.E. | 1912MNRAS..72..191E |
Es_1912 | MNRAS 72, 191, 1912 (ES 1052 - 1125) | ||
Es_1913 | Mb j | Espin, T.E. | 1913MNRAS..73..162E |
Es_1913 | MNRAS 73, 162, 1913 (ES 1126 - 1191) | ||
Es_1914 | Mb j | Espin, T.E. | 1914MNRAS..74..244E |
Es_1914 | MNRAS 74, 244, 1914 (ES 1192 - 1293) | ||
Es_1915a | Mb - | Espin, T.E. | 1915MNRAS..75..203E |
Es_1915a | MNRAS 75, 203, 1915 (ES 1294 - 1356) | ||
Es_1915b | Mb - | Espin, T.E. | 1915MNRAS..75..555E |
Es_1915b | MNRAS 75, 555, 1915 (ES 1357 - 1405) | ||
Es_1915c | Mb - | Espin, T.E. | 1915MNRAS..76..210E |
Es_1915c | MNRAS 76, 210, 1915 (ES 1406 - 1479) | ||
Es_1917 | Mb - | Espin, T.E. | 1917MNRAS..77..236E |
Es_1917 | MNRAS 77, 236, 1917 (ES 1480 - 1600) | ||
Es_1918 | Mb j | Espin, T.E. | 1918MNRAS..78..189E |
Es_1918 | MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35) | ||
Es_1919 | Mb - | Espin, T.E. | 1919MNRAS..79..211E |
Es_1919 | MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106) | ||
Es_1920 | Mb - | Espin, T.E. | 1920MNRAS..80..329E |
Es_1920 | MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149) | ||
Es_1921 | Mb j | Espin, T.E. | 1921MNRAS..81..232E |
Es_1921 | MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182) | ||
Es_1922 | Mb - | Espin, T.E. | 1922MNRAS..82..187E |
Es_1922 | MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241) | ||
Es_1923 | Mb - | Espin, T.E. | 1923MNRAS..83..154E |
Es_1923 | MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275) | ||
Es_1924 | Mb - | Espin, T.E. | 1924MNRAS..84..162E |
Es_1924 | MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322) | ||
Es_1925a | Mb - | Espin, T.E. | 1925MNRAS..85..276E |
Es_1925a | MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376) | ||
Es_1925b | Mb - | Espin, T.E. | 1925MNRAS..86...79E |
Es_1925b | MNRAS 86, 79, 1925 | ||
Es_1926 | Mb - | Espin, T.E. | 1926MNRAS..86..131E |
Es_1926 | MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440) | ||
Es_1927 | Mb - | Espin, T.E. | 1927MNRAS..87..215E |
Es_1927 | MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510) | ||
Es_1928 | Mb - | Espin, T.E. | 1928MNRAS..88..185E |
Es_1928 | MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551) | ||
Es_1929 | Mb - | Espin, T.E. | 1929MNRAS..89..268E |
Es_1929 | MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591) | ||
Es_1930 | Mb - | Espin, T.E. | 1930MNRAS..90..317E |
Es_1930 | MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630) | ||
Es_1931 | Mb - | Espin, T.E. | 1931MNRAS..91..294E |
Es_1931 | MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673) | ||
Es_1932a | Mb - | Espin, T.E. | 1932MNRAS..92..214E |
Es_1932a | MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732) | ||
Es_1932B | Mb - | Espin, T.E. | 1932QB821.A43...... |
Es_1932B | cited in ADS (Aitken Double Star Cat.), 1932 | ||
Es_1933 | Mb - | Espin, T.E. | 1933MNRAS..93..192E |
Es_1933 | MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806) | ||
Es_1937A | Mb - | Espin, T.E. | 1937AnLei..18....1S |
Es_1937A | cited by Strand (Ann. Sterrew. Leiden 18, 1937) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
03156+5245 | ES 768 | AB | 1998 | 5 | 316 | 75.5 | 8.66 | 11.71 | A0 | D | 031537.41+524459.2 |
03156+5245 | ES 768 | AB | 2002 | 6 | 315 | 75.8 | 8.66 | 11.71 | A0 | D | 031537.41+524459.2 |
03156+5245 | ES 768 | AB | 2016 | 8 | 315 | 76.1 | 8.66 | 11.71 | A0 | 031537.41+524459.2 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | B | C | |
B | pa=315.2° sep=75.65" | ||
C | pa=316.9° sep=76.26" | pa=31.0° sep=2.33" | |
D | pa=351.2° sep=35.60" | pa=111.2° sep=51.31" | pa=113.7° sep=50.97" |
Name | HD 20054 | Coord arcsec 2000 | 031537.41+524459.2 | Mag | 8.66 | Spectral class | A0 (white) | ||||
PmRA | 13.00 | PmDE | -18.0 | SAO | 23904 | HIP | 15179 | ||||
Tycho2 | 3702-00319-1 | HD | 20054 | BD | BD+52 672 |
Tycho2 | 3702-00319-1 | Pflag | RAmdeg | 48.90590685 | DEmdeg | 52.74979030 | |||||
PmRA | 11.7 | PmDE | -15.8 | E RAmdeg | 8 | E DEmdeg | 8 | ||||
E pmRA | 1.4 | E pmDE | 1.4 | EpRAm | 1990.90 | EpDEm | 1990.87 | ||||
Num | 8 | Q RAmdeg | 0.6 | Q DEmdeg | 0.6 | Q pmRA | 0.7 | ||||
Q pmDE | 0.7 | BTmag | 8.955 | E BTmag | 0.018 | VTmag | 8.661 | ||||
E VTmag | 0.015 | Prox | 755 | TYC | T | HIP | 15179 | ||||
CCDM | RAdeg | 48.90586250 | DEdeg | 52.74982694 | EpRA 1990 | 1.61 | |||||
EpDE 1990 | 1.54 | E RAdeg | 7.7 | E DEdeg | 8.1 | Posflg | |||||
Corr | 0.0 |
SAO | 23904 | DelFlag | RA1950 | PmRA1950 | 0.0018 | ||||||
DE1950 | PmDE1950 | -0.023 | Vmag | 8.2 | SpType | A0 | |||||
Double code | Source | 37 | CatNum | 1421 | DM | BD+52 672 | |||||
DMcomp | BDsup | HD | 20054 | M HD | 0 | ||||||
GC | RA1950rad | 0.8376172 | DE1950rad | 0.91743939 | PmRA2000 | 0.0017 | |||||
PmDE2000 | -0.026 |
Catalog | H | HIP | 15179 | Proxy | RAhms | 03 15 37.41 | |||||
DEdms | +52 44 59.4 | Vmag | 8.65 | VarFlag | R Vmag | H | |||||
RAdeg | 48.9059 | DEdeg | 52.7498 | AstroRef | Plx | 5.76 | |||||
CCDM | 03156+5245 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 20054 | BD | BD+52 672 | ||||||
CD | CP | Dm number | +52 672 | VIred | 0.3 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 031537.41+524459.4 |
HIP | 15179 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.8535683659 | DErad | 0.9206582415 | Plx | 4.19 | PmRA | 12.9 | ||||
PmDE | -16.44 | E RArad | 0.85 | E DErad | 0.96 | E Plx | 1.4 | ||||
E pmRA | 1.49 | E pmDE | 1.32 | Hpmag | 8.7238 | E Hpmag | 0.0025 | ||||
SHp | 0.019 | VA | 0 | BV | 0.295 | E BV | 0.021 | ||||
VI | 0.34 |
Ccdm | 03156+5245 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.49 | DDEs | -0.1 | ||||||
R dRAs | 65 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 8.1 | Sp | A0 | PmNote | * | ||||
PmRA | 20 | PmDE | -16 | Dm number | +52 672 | Cat1 | BD | ||||
Name2 | +52 335 | Cat2 | AGK2/3 | HD | 20054 | M HD | |||||
ADS BDS | A 2423 | M ADS BDS | N IDS | IDS | 03083N5223A | ||||||
HIC | 15179 |
Coord arcsec 2000 | 031531.54+524552.9 | Coord calc | 031531.54+524552.9 | Mag | 11.71 | PmRA | -9.00 | ||||
PmDE | -1.0 | Tycho2 | 3702-00127-1 | Calc delta mag | 3.05 |
Tycho2 | 3702-00127-1 | Pflag | RAmdeg | 48.88140575 | DEmdeg | 52.76470398 | |||||
PmRA | -8.8 | PmDE | -1.1 | E RAmdeg | 85 | E DEmdeg | 87 | ||||
E pmRA | 3.1 | E pmDE | 2.9 | EpRAm | 1982.14 | EpDEm | 1979.24 | ||||
Num | 3 | Q RAmdeg | 2.8 | Q DEmdeg | 1.8 | Q pmRA | 2.9 | ||||
Q pmDE | 1.8 | BTmag | 12.349 | E BTmag | 0.213 | VTmag | 11.705 | ||||
E VTmag | 0.163 | Prox | 755 | TYC | HIP | ||||||
CCDM | RAdeg | 48.88143917 | DEdeg | 52.76470667 | EpRA 1990 | 1.60 | |||||
EpDE 1990 | 1.54 | E RAdeg | 90.1 | E DEdeg | 93.6 | Posflg | |||||
Corr | -0.1 |
Ccdm | 03156+5245 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | ES 768 | DRAs | -4.32 | DDEs | -6.1 | |||||
R dRAs | 65 | Year | 1909 | Theta | 315 | Rho | 73.5 | ||||
Obs | 1 | Vmag | 10.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2423 | M ADS BDS | N IDS | IDS | 03083N5223B | ||||||
HIC |
Coord arcsec 2000 | 031531.67+524554.9 | Mag | 13.2 | Calc delta mag | 4.54 | Calc coord | yes |
Ccdm | 03156+5245 | RComp | B | Comp | C | Note1 | |||||
Note2 | Discov num | ES 768 | DRAs | DDEs | |||||||
R dRAs | Year | 1909 | Theta | 047 | Rho | 2.6 | |||||
Obs | 1 | Vmag | 11.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2423 | M ADS BDS | N IDS | IDS | 03083N5223C | ||||||
HIC |
Coord arcsec 2000 | 031536.81+524534.4 | Mag | 13.18 | PmRA | -7.00 | PmDE | -34.0 | ||||
Calc delta mag | 4.52 | Calc coord | yes |