Coord 2000 | 20493+3314 | Discov num | ES 31 | Comp | AB | Coord arcsec 2000 | 20 49 16.21 +33 13 47.2 | ||||
Date first | 1892 | Date last | 2015 | Obs | 24 | ||||||
Pa first | 245 | Pa last | 237.7 | P.A. Now (θ) | 237.7° | ||||||
Sep first | 9.8 | Sep last | 13.846 | Sep. Now (ρ) | 13.846" | ||||||
Mag pri | 9.62 | Mag sec | 10.92 | delta mag (ΔM) | 1.3 | Spectral class | K (yellow-orange) | ||||
Pri motion ra | +002 | Sec motion ra | -025 | ||||||||
Pri motion dec | +001 | Sec motion dec | -022 | ||||||||
Notes | N L (See Notes, Linear solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | V1862 Cyg | 20 49 16 +33 13 47 | ES 31 AB | 2015 | 24 | 238 | 13.8 | 9.62 | 10.92 | 1.30 | <=== | ||
Show | 20 49 16 +33 13 47 | ES 31 AC | 2015 | 16 | 143 | 18.7 | 9.62 | 9.50 | 0.12 |
Var name | V1862 Cyg | Constellation | Cygnus | HIP | 102764 | Tycho2 | 2691-03115-1 | ||||
Gaia DR2 | 1869010445422735360 | BD | BD+32 3954 | Distance | 1408.45 | Distance ly | 4594.36 |
discov_num | notes | refcode |
ES 31 | A is a semiregular variable. |
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Es_1904a | MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) | 1905MNRAS..65..710E | |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 |
20493+3314 | ES 31 | AB | 2007 | 11 | 238 | 13.7 | 9.62 | 10.92 | K | NLD | 204916.21+331347.2 |
20493+3314 | ES 31 | AB | 2008 | 12 | 238 | 13.7 | 9.62 | 10.92 | K | NLD | 204916.21+331347.2 |
20493+3314 | ES 31 | AB | 2010 | 13 | 238 | 13.4 | 9.62 | 10.92 | K | NLD | 204916.21+331347.2 |
20493+3314 | ES 31 | AB | 2012 | 15 | 237 | 13.7 | 9.62 | 10.92 | K | NL | 204916.21+331347.2 |
20493+3314 | ES 31 | AB | 2015 | 16 | 238 | 13.8 | 9.62 | 10.92 | K | NL | 204916.21+331347.2 |
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. |
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A | B | |
B | pa=232.9° sep=12.27" | |
C | pa=147.8° sep=17.62" | pa=111.4° sep=20.60" |
Name | V1862 Cyg | Coord arcsec 2000 | 204916.21+331347.2 | Mag | 9.62 | Spectral class | K (yellow-orange) | ||||
PmRA | 2.00 | PmDE | 1.0 | HIP | 102764 | Tycho2 | 2691-03115-1 | ||||
BD | BD+32 3954 |
Tycho2 | 2691-03115-1 | Pflag | X | RAmdeg | DEmdeg | ||||||
PmRA | PmDE | E RAmdeg | E DEmdeg | ||||||||
E pmRA | E pmDE | EpRAm | EpDEm | ||||||||
Num | Q RAmdeg | Q DEmdeg | Q pmRA | ||||||||
Q pmDE | BTmag | 13.480 | E BTmag | 0.274 | VTmag | 9.620 | |||||
E VTmag | 0.018 | Prox | 131 | TYC | T | HIP | 102764 | ||||
CCDM | A | RAdeg | 312.31752861 | DEdeg | 33.22977556 | EpRA 1990 | 1.67 | ||||
EpDE 1990 | 1.74 | E RAdeg | 16.3 | E DEdeg | 14.8 | Posflg | |||||
Corr | 0.2 |
Catalog | H | HIP | 102764 | Proxy | RAhms | 20 49 16.21 | |||||
DEdms | +33 13 47.2 | Vmag | 8.98 | VarFlag | 2 | R Vmag | H | ||||
RAdeg | 312.318 | DEdeg | 33.2298 | AstroRef | A | Plx | 3.13 | ||||
CCDM | 20493+3314 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | B | M HIP | AB | |||||
Theta | 239 | Rho | 13.142 | HD | BD | BD+32 3954 | |||||
CD | CP | Dm number | +32 3954 | VIred | 1.72 | ||||||
SpType | N0 | R SpType | Coord arcsec 2000 | 204916.21+331347.2 |
HIP | 102764 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.4509692389 | DErad | 0.5799690271 | Plx | 0.71 | PmRA | 0.22 | ||||
PmDE | -8.29 | E RArad | 1.42 | E DErad | 1.58 | E Plx | 2.4 | ||||
E pmRA | 1.52 | E pmDE | 1.62 | Hpmag | 9.0829 | E Hpmag | 0.024 | ||||
SHp | 0.13 | VA | 2 | BV | 1.745 | E BV | 0.4 | ||||
VI | 1.72 |
Ccdm | 20493+3314 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -1.81 | DDEs | -10.2 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 10.7 | Sp | PmNote | * | |||||
PmRA | 6 | PmDE | 41 | Dm number | +32 3954 | Cat1 | BD | ||||
Name2 | +33 2009 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A14338 | M ADS BDS | N IDS | IDS | 20452N3252A | ||||||
HIC | 102764 |
Coord arcsec 2000 | 204915.43+331339.8 | Mag | 10.92 | PmRA | -25.00 | PmDE | -22.0 | ||||
Tycho2 | 2691-03116-1 | Calc delta mag | 1.3 | Calc coord | yes |
Tycho2 | 2691-03116-1 | Pflag | RAmdeg | 312.31376924 | DEmdeg | 33.22780942 | |||||
PmRA | -22.3 | PmDE | -21.1 | E RAmdeg | 37 | E DEmdeg | 33 | ||||
E pmRA | 1.8 | E pmDE | 1.7 | EpRAm | 1986.47 | EpDEm | 1987.30 | ||||
Num | 5 | Q RAmdeg | 1.3 | Q DEmdeg | 0.6 | Q pmRA | 1.3 | ||||
Q pmDE | 0.6 | BTmag | 11.879 | E BTmag | 0.069 | VTmag | 10.920 | ||||
E VTmag | 0.050 | Prox | 131 | TYC | T | HIP | 102764 | ||||
CCDM | B | RAdeg | 312.31383167 | DEdeg | 33.22785778 | EpRA 1990 | 1.66 | ||||
EpDE 1990 | 1.73 | E RAdeg | 38.2 | E DEdeg | 34.4 | Posflg | |||||
Corr | 0.2 |
Ccdm | 20493+3314 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | ES 31 | DRAs | -2.69 | DDEs | -17.3 | |||||
R dRAs | 10 | Year | 1892 | Theta | 245 | Rho | 9.8 | ||||
Obs | 1 | Vmag | 11.0 | Sp | K | PmNote | * | ||||
PmRA | -36 | PmDE | 6 | Dm number | Cat1 | ||||||
Name2 | +33 2008 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A14338 | M ADS BDS | N IDS | IDS | 20452N3252B | ||||||
HIC | 102764 |
Coord arcsec 2000 | 204916.96+331332.3 | Mag | 9.5 | PmRA | -7.00 | PmDE | -4.0 | ||||
Calc delta mag | 0.12 | Calc coord | yes |
Ccdm | 20493+3314 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | ES 31 | DRAs | -0.85 | DDEs | -27.2 | |||||
R dRAs | 10 | Year | 1892 | Theta | 141 | Rho | 17.6 | ||||
Obs | 1 | Vmag | 11.7 | Sp | PmNote | * | |||||
PmRA | -6 | PmDE | 6 | Dm number | Cat1 | ||||||
Name2 | +33 2010 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A14338 | M ADS BDS | N IDS | IDS | 20452N3252C | ||||||
HIC |