Coord 2000 | 21345+4725 | Discov num | ES 1172 | Comp | AB | Coord arcsec 2000 | 21 34 25.29 +47 25 12.7 | ||||
Date first | 1912 | Date last | 2018 | Obs | 13 | ||||||
Pa first | 106 | Pa last | 103.5 | P.A. Now (θ) | 103.5° | ||||||
Sep first | 6.6 | Sep last | 6.42 | Sep. Now (ρ) | 6.42" | ||||||
Mag pri | 9.94 | Mag sec | 10.40 | delta mag (ΔM) | 0.46 | Spectral class | B8III (blue-white) | ||||
Pri motion ra | -001 | Sec motion ra | |||||||||
Pri motion dec | +001 | Sec motion dec | |||||||||
Notes | U (Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 21 34 25 +47 25 13 | ES 1172 AB | 2018 | 13 | 104 | 6.4 | 9.94 | 10.40 | 0.46 | <=== | |||
Show | 21 34 25 +47 25 13 | ES 1172 AC | 2015 | 13 | 205 | 16.3 | 9.94 | 10.70 | 0.76 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AD | 2015 | 9 | 170 | 30.6 | 9.94 | 14.30 | 4.36 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AE | 2015 | 9 | 33 | 32.6 | 9.94 | 14.27 | 4.33 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AF | 2015 | 9 | 58 | 49.7 | 9.94 | 13.60 | 3.66 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AG | 2015 | 5 | 104 | 48.6 | 9.94 | 14.70 | 4.76 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AH | 2015 | 7 | 247 | 43.1 | 9.94 | 15.64 | 5.70 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AI | 2015 | 8 | 92 | 119.9 | 9.94 | 12.79 | 2.85 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AJ | 2015 | 8 | 250 | 107.2 | 9.94 | 12.00 | 2.06 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AK | 2015 | 8 | 246 | 112.4 | 9.94 | 14.60 | 4.66 | ||||
Show | 21 34 25 +47 25 13 | ABH 146 AL | 2015 | 8 | 232 | 102.7 | 9.94 | 14.33 | 4.39 |
Constellation | Cygnus | Tycho2 | 3595-01397-1 | Gaia DR2 | 1978254381710303488 |
refcode | metd | author | reference |
AbH1961 | - | Abt, H.A. | 1961A&AS....6...37A |
AbH1961 | A&AS 6, 37, 1961 | ||
AbH1962 | Po j | Abt, H.A. Jeffers, H., Gibson, & Sandage, A. | 1962ApJ...135..429A |
AbH1962 | ApJ 135, 429, 1962 | ||
AbH1964 | - | AbT, H.A. et al. | 1964ApJ...139.1139A |
AbH1964 | ApJ 139, 1139, 1964 | ||
AbH1965 | - | Abt, H.A. | 1965A&AS...11..429A |
AbH1965 | A&AS 11, 429, 1965 | ||
AbH1965b | - | Abt, H.A. et al. | 1965ApJ...142.1604A |
AbH1965b | ApJ 142, 1604, 1965 | ||
AbH1972 | - | Abt. H.A. & Biggs, E.S. | 1972bsrv.book.....A |
AbH1972 | Bibliography of Stellar Radial Velocities | ||
AbH1972b | not - | Abt. H.A., Levy, S.G., & Gandet, T.L. | 1972AJ.....77..138A |
AbH1972b | AJ 77, 138, 1972 | ||
AbH1973 | - | Abt, H.A. & Levy, S.G. | 1973AJ.....78.1093A |
AbH1973 | AJ 78, 1093, 1973 | ||
AbH1976 | orb - | Abt, H.A. & Levy, S.G. | 1976A&AS...30..273A |
AbH1976 | A&AS 30, 273, 1976 | ||
AbH1978 | - | Abt, H.A. & Levy, S.G. | 1978A&AS...36..241A |
AbH1978 | A&AS 36, 241, 1978 | ||
AbH1985 | - | Abt, H.A. & Levy, S.G. | 1985ApJS...59..229A |
AbH1985 | ApJS 59, 229, 1985 | ||
AbH1986 | - | Abt, H.A. | 1986ApJ...304..688A |
AbH1986 | ApJ 304, 688, 1986 | ||
AbH2000 | C u | Abt, H.A. & Corbally, C.J. | 2000ApJ...541..841A |
AbH2000 | ApJ 541, 841, 2000 | ||
AbH2000 | (Multi-epoch astrometry, photometry, and spectroscopy to determine | ||
AbH2000 | optical/physical nature of members of possible Trapezium systems) | ||
AbH2006 | orb - | Abt, H.A., & Willmarth, D. | 2006ApJS..162..207A |
AbH2006 | ApJS 162, 207, 2006 | ||
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 |
21345+4725 | ES 1172 | AB | 2003 | 6 | 105 | 6.3 | 9.94 | 10.40 | B8III | D | 213425.29+472512.7 |
21345+4725 | ES 1172 | AB | 2012 | 8 | 105 | 6.3 | 9.94 | 10.40 | B8III | UD | 213425.29+472512.7 |
21345+4725 | ES 1172 | AB | 2015 | 9 | 104 | 6.4 | 9.94 | 10.40 | B8III | U | 213425.29+472512.7 |
21345+4725 | ES 1172 | AB | 2018 | 10 | 104 | 6.4 | 9.94 | 10.40 | B8III | U | 213425.29+472512.7 |
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 | C | D | E | F | G | H | I | J | K | |
B | pa=109.5° sep=4.48" | ||||||||||
C | pa=197.5° sep=15.46" | pa=213.8° sep=15.94" | |||||||||
D | pa=173.4° sep=30.34" | pa=181.5° sep=28.65" | pa=152.1° sep=17.42" | ||||||||
E | pa=23.6° sep=29.86" | pa=15.0° sep=29.88" | pa=21.5° sep=45.26" | pa=8.4° sep=58.13" | |||||||
F | pa=47.6° sep=38.72" | pa=41.4° sep=36.82" | pa=39.1° sep=52.67" | pa=24.1° sep=61.59" | pa=94.3° sep=16.71" | ||||||
G | pa=110.0° sep=33.97" | pa=110.0° sep=29.49" | pa=85.1° sep=36.72" | pa=56.9° sep=33.96" | pa=152.8° sep=43.80" | pa=174.9° sep=37.84" | |||||
H | pa=237.5° sep=31.75" | pa=243.4° sep=34.69" | pa=264.0° sep=22.25" | pa=293.4° sep=32.98" | pa=221.1° sep=58.92" | pa=232.1° sep=70.21" | pa=264.7° sep=58.97" | ||||
I | pa=93.2° sep=81.21" | pa=92.3° sep=76.92" | pa=83.3° sep=86.33" | pa=71.8° sep=81.69" | pa=114.8° sep=76.18" | pa=120.3° sep=60.80" | pa=81.9° sep=49.64" | pa=83.4° sep=108.58" | |||
J | pa=241.6° sep=77.47" | pa=244.0° sep=80.54" | pa=250.8° sep=67.24" | pa=264.6° sep=71.95" | pa=231.3° sep=102.65" | pa=236.9° sep=115.42" | pa=255.8° sep=103.22" | pa=244.4° sep=45.86" | pa=257.8° sep=152.68" | ||
K | pa=236.9° sep=83.08" | pa=239.3° sep=85.87" | pa=244.8° sep=71.81" | pa=258.2° sep=74.66" | pa=228.3° sep=109.26" | pa=233.9° sep=121.45" | pa=251.6° sep=107.01" | pa=236.5° sep=51.33" | pa=254.9° sep=156.10" | pa=189.7° sep=8.63" | |
L | pa=220.6° sep=83.79" | pa=223.4° sep=85.50" | pa=225.6° sep=69.83" | pa=240.0° sep=66.98" | pa=216.1° sep=112.68" | pa=222.8° sep=122.31" | pa=239.0° sep=100.91" | pa=210.8° sep=54.21" | pa=246.5° sep=147.90" | pa=153.0° sep=30.04" | pa=140.4° sep=23.69" |
Coord arcsec 2000 | 213425.29+472512.7 | Mag | 9.94 | Spectral class | B8III (blue-white) | PmRA | -1.00 | ||||
PmDE | 1.0 | Tycho2 | 3595-01397-1 |
Tycho2 | 3595-01397-1 | Pflag | RAmdeg | 323.60538866 | DEmdeg | 47.42019843 | |||||
PmRA | 1.4 | PmDE | 1.8 | E RAmdeg | 17 | E DEmdeg | 16 | ||||
E pmRA | 1.2 | E pmDE | 1.2 | EpRAm | 1989.44 | EpDEm | 1989.76 | ||||
Num | 5 | Q RAmdeg | 1.1 | Q DEmdeg | 1.5 | Q pmRA | 1.1 | ||||
Q pmDE | 1.5 | BTmag | 10.231 | E BTmag | 0.027 | VTmag | 9.936 | ||||
E VTmag | 0.028 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 323.60538361 | DEdeg | 47.42019417 | EpRA 1990 | 1.59 | |||||
EpDE 1990 | 1.63 | E RAdeg | 17.0 | E DEdeg | 15.5 | Posflg | |||||
Corr | 0.1 |
Coord arcsec 2000 | 213425.71+472511.2 | Mag | 10.4 | Calc delta mag | 0.46 | Calc coord | yes |
Coord arcsec 2000 | 213424.83+472458.0 | Mag | 10.7 | PmRA | 8.00 | PmDE | -2.0 | ||||
Calc delta mag | 0.76 | Calc coord | yes |
Coord arcsec 2000 | 213425.63+472442.6 | Mag | 14.3 | PmRA | -3.00 | PmDE | -3.0 | ||||
Calc delta mag | 4.36 | Calc coord | yes |
Coord arcsec 2000 | 213426.47+472540.1 | Mag | 14.27 | PmRA | 7.00 | PmDE | 3.0 | ||||
Calc delta mag | 4.33 | Calc coord | yes |
Coord arcsec 2000 | 213428.11+472538.8 | Mag | 13.6 | PmRA | -1.00 | PmDE | -4.0 | ||||
Calc delta mag | 3.66 | Calc coord | yes |
Coord arcsec 2000 | 213428.44+472501.1 | Mag | 14.7 | PmRA | 30.00 | PmDE | 27.0 | ||||
Calc delta mag | 4.76 | Calc coord | yes |
Coord arcsec 2000 | 213422.65+472455.7 | Mag | 15.64 | PmRA | -8.00 | PmDE | -1.0 | ||||
Calc delta mag | 5.7 | Calc coord | yes |
Coord arcsec 2000 | 213433.28+472508.1 | Mag | 12.79 | PmRA | -8.00 | PmDE | -3.0 | ||||
Calc delta mag | 2.85 | Calc coord | yes |
Coord arcsec 2000 | 213418.58+472435.8 | Mag | 12 | PmRA | -1.00 | PmDE | 0.0 | ||||
Calc delta mag | 2.06 | Calc coord | yes |
Coord arcsec 2000 | 213418.43+472427.3 | Mag | 14.6 | PmRA | -4.00 | PmDE | -9.0 | ||||
Calc delta mag | 4.66 | Calc coord | yes |
Coord arcsec 2000 | 213419.92+472409.1 | Mag | 14.33 | PmRA | -12.00 | PmDE | -4.0 | ||||
Calc delta mag | 4.39 | Calc coord | yes |