Coord 2000 | 19077+5057 | Discov num | ES 979 | Comp | AB | Coord arcsec 2000 | 19 07 41.37 +50 57 02.0 | ||||
Date first | 1910 | Date last | 2021 | Obs | 12 | ||||||
Pa first | 196 | Pa last | 193.5 | P.A. Now (θ) | 193.5° | ||||||
Sep first | 6.9 | Sep last | 8.31 | Sep. Now (ρ) | 8.31" | ||||||
Mag pri | 9.73 | Mag sec | 12.00 | delta mag (ΔM) | 2.27 | Spectral class | F0V (yellow-white) | ||||
Pri motion ra | +003 | Sec motion ra | |||||||||
Pri motion dec | +002 | 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 | HD 234806 | 31399 | 19 07 41 +50 57 02 | ES 979 AB | 2021 | 12 | 194 | 8.3 | 9.73 | 12.00 | 2.27 | <=== | |
Show | 31399 | 19 07 41 +50 57 02 | ES 979 AC | 2021 | 17 | 47 | 19.2 | 9.73 | 11.56 | 1.83 | |||
Show | 31399 | 19 07 41 +50 57 02 | ABH 109 AD | 2015 | 8 | 332 | 48.9 | 9.73 | 13.39 | 3.66 | |||
Show | 31399 | 19 07 41 +50 57 02 | ABH 109 AE | 2015 | 8 | 86 | 57.5 | 9.73 | 15.63 | 5.90 | |||
Show | 31399 | 19 07 41 +50 57 02 | ABH 109 AF | 2015 | 8 | 248 | 70.2 | 9.73 | 15.74 | 6.01 | |||
Show | 31399 | 19 07 41 +50 57 02 | ABH 109 AG | 2015 | 7 | 185 | 67.9 | 9.73 | 14.90 | 5.17 |
Name | HD 234806 | Constellation | Draco | SAO | 31399 | HIP | 93943 | ||||
Tycho2 | 3554-00640-1 | Gaia DR2 | 2133737111251691008 | HD | 234806 | BD | BD+50 2731 | ||||
Distance | 190.11 | Distance ly | 620.14 |
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 |
19077+5057 | ES 979 | AB | 2000 | 3 | 193 | 8.0 | 9.73 | 12.00 | F0V | D | 190741.37+505702.0 |
19077+5057 | ES 979 | AB | 2003 | 4 | 193 | 8.1 | 9.73 | 12.00 | F0V | UD | 190741.37+505702.0 |
19077+5057 | ES 979 | AB | 2009 | 5 | 194 | 7.8 | 9.73 | 12.00 | F0V | U | 190741.37+505702.0 |
19077+5057 | ES 979 | AB | 2017 | 6 | 194 | 8.2 | 9.73 | 12.00 | F0V | U | 190741.37+505702.0 |
19077+5057 | ES 979 | AB | 2021 | 12 | 194 | 8.3 | 9.73 | 12.00 | F0V | U | 190741.37+505702.0 |
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 | |
B | pa=188.6° sep=8.17" | |||||
C | pa=33.6° sep=15.86" | pa=25.1° sep=23.53" | ||||
D | pa=341.1° sep=45.39" | pa=345.2° sep=52.78" | pa=321.7° sep=37.87" | |||
E | pa=84.1° sep=36.37" | pa=72.5° sep=39.22" | pa=109.1° sep=29.00" | pa=127.7° sep=64.24" | ||
F | pa=237.6° sep=48.66" | pa=245.7° sep=43.73" | pa=231.8° sep=63.47" | pa=200.9° sep=73.90" | pa=248.9° sep=82.80" | |
G | pa=182.8° sep=67.74" | pa=182.0° sep=59.62" | pa=188.5° sep=81.78" | pa=174.1° sep=111.19" | pa=209.0° sep=81.59" | pa=137.8° sep=56.15" |
Name | HD 234806 | Coord arcsec 2000 | 190741.37+505702.0 | Mag | 9.73 | Spectral class | F0V (yellow-white) | ||||
PmRA | 3.00 | PmDE | 2.0 | SAO | 31399 | HIP | 93943 | ||||
Tycho2 | 3554-00640-1 | HD | 234806 | BD | BD+50 2731 |
Tycho2 | 3554-00640-1 | Pflag | RAmdeg | 286.92240181 | DEmdeg | 50.95055895 | |||||
PmRA | 4.3 | PmDE | 1.1 | E RAmdeg | 14 | E DEmdeg | 15 | ||||
E pmRA | 1.2 | E pmDE | 1.2 | EpRAm | 1989.26 | EpDEm | 1989.28 | ||||
Num | 8 | Q RAmdeg | 1.3 | Q DEmdeg | 0.6 | Q pmRA | 1.2 | ||||
Q pmDE | 0.7 | BTmag | 10.015 | E BTmag | 0.025 | VTmag | 9.731 | ||||
E VTmag | 0.025 | Prox | 193 | TYC | T | HIP | 93943 | ||||
CCDM | A | RAdeg | 286.92238722 | DEdeg | 50.95055583 | EpRA 1990 | 1.56 | ||||
EpDE 1990 | 1.60 | E RAdeg | 14.1 | E DEdeg | 14.5 | Posflg | |||||
Corr | 0.0 |
SAO | 31399 | DelFlag | RA1950 | PmRA1950 | 0.0007 | ||||||
DE1950 | PmDE1950 | 0.014 | Vmag | 9 | SpType | A5 | |||||
Double code | Source | 37 | CatNum | 5869 | DM | BD+50 2731 | |||||
DMcomp | BDsup | HD | 234806 | M HD | 0 | ||||||
GC | RA1950rad | 5.00228089 | DE1950rad | 0.8878537 | PmRA2000 | 0.0012 | |||||
PmDE2000 | 0.014 |
Catalog | H | HIP | 93943 | Proxy | RAhms | 19 07 41.37 | |||||
DEdms | +50 57 02.0 | Vmag | 9.7 | VarFlag | R Vmag | G | |||||
RAdeg | 286.922 | DEdeg | 50.9506 | AstroRef | A | Plx | 5.07 | ||||
CCDM | 19077+5057 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | 234806 | BD | BD+50 2731 | ||||||
CD | CP | Dm number | +50 2731 | VIred | 0.24 | ||||||
SpType | A5... | R SpType | Coord arcsec 2000 | 190741.37+505702.0 |
HIP | 93943 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 5.0077404744 | DErad | 0.8892549076 | Plx | 5.26 | PmRA | 8.16 | ||||
PmDE | 5.63 | E RArad | 1.44 | E DErad | 1.47 | E Plx | 1.58 | ||||
E pmRA | 1.77 | E pmDE | 1.69 | Hpmag | 9.7687 | E Hpmag | 0.0313 | ||||
SHp | 0.052 | VA | 0 | BV | 0.22 | E BV | 0.015 | ||||
VI | 0.24 |
Ccdm | 19077+5057 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.64 | DDEs | 2.3 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 9.1 | Sp | A5 | PmNote | * | ||||
PmRA | -6 | PmDE | 9 | Dm number | +50 2731 | Cat1 | BD | ||||
Name2 | +50 1343 | Cat2 | AGK2/3 | HD | 234806 | M HD | |||||
ADS BDS | A12083 | M ADS BDS | N IDS | IDS | 19052N5047A | ||||||
HIC | 93943 |
Coord arcsec 2000 | 190741.24+505653.9 | Mag | 12 | Calc delta mag | 2.27 | Calc coord | yes |
Ccdm | 19077+5057 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | ES 979 | DRAs | DDEs | |||||||
R dRAs | Year | 1910 | Theta | 196 | Rho | 6.9 | |||||
Obs | 1 | Vmag | 11.4 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12083 | M ADS BDS | N IDS | IDS | 19052N5047B | ||||||
HIC | 93943 |
Coord arcsec 2000 | 190742.30+505715.2 | Mag | 11.56 | PmRA | 1.00 | PmDE | -2.0 | ||||
HIP | 93945 | Tycho2 | 3554-00024-1 | Calc delta mag | 1.83 | Calc coord | yes |
Tycho2 | 3554-00024-1 | Pflag | RAmdeg | 286.92843530 | DEmdeg | 50.95430141 | |||||
PmRA | -5.5 | PmDE | -7.6 | E RAmdeg | 69 | E DEmdeg | 71 | ||||
E pmRA | 2.5 | E pmDE | 2.3 | EpRAm | 1982.02 | EpDEm | 1979.24 | ||||
Num | 4 | Q RAmdeg | 0.8 | Q DEmdeg | 1.6 | Q pmRA | 0.8 | ||||
Q pmDE | 1.6 | BTmag | 12.649 | E BTmag | 0.220 | VTmag | 11.558 | ||||
E VTmag | 0.109 | Prox | 193 | TYC | HIP | 93945 | |||||
CCDM | C | RAdeg | 286.92845583 | DEdeg | 50.95431917 | EpRA 1990 | 1.56 | ||||
EpDE 1990 | 1.60 | E RAdeg | 73.3 | E DEdeg | 75.5 | Posflg | |||||
Corr | 0.0 |
Catalog | H | HIP | 93945 | Proxy | RAhms | 19 07 42.86 | |||||
DEdms | +50 57 15.3 | Vmag | 11.6 | VarFlag | R Vmag | H | |||||
RAdeg | 286.929 | DEdeg | 50.9543 | AstroRef | C | Plx | 26.08 | ||||
CCDM | 19077+5057 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 0.7 | |||||||
SpType | R SpType | Coord arcsec 2000 | 190742.86+505715.3 |
HIP | 93945 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 5.0078485479 | DErad | 0.8893195291 | Plx | 9.05 | PmRA | 5.86 | ||||
PmDE | 7.14 | E RArad | 7.62 | E DErad | 7.84 | E Plx | 8.71 | ||||
E pmRA | 8.5 | E pmDE | 9.05 | Hpmag | 11.5321 | E Hpmag | 0.1355 | ||||
SHp | 0 | VA | 0 | BV | 0 | E BV | 0 | ||||
VI | 0 |
Ccdm | 19077+5057 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | ES 979 | DRAs | DDEs | |||||||
R dRAs | Year | 1910 | Theta | 044 | Rho | 19.7 | |||||
Obs | 1 | Vmag | 10.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12083 | M ADS BDS | N IDS | IDS | 19052N5047C | ||||||
HIC | 93945 |
Coord arcsec 2000 | 190739.82+505744.9 | Mag | 13.39 | PmRA | -14.00 | PmDE | -1.0 | ||||
Calc delta mag | 3.66 | Calc coord | yes |
Coord arcsec 2000 | 190745.20+505705.7 | Mag | 15.63 | Calc delta mag | 5.9 | Calc coord | yes |
Coord arcsec 2000 | 190737.02+505635.9 | Mag | 15.74 | PmRA | 6.00 | PmDE | 3.0 | ||||
Calc delta mag | 6.01 | Calc coord | yes |
Coord arcsec 2000 | 190741.02+505554.3 | Mag | 14.9 | PmRA | -33.00 | PmDE | -31.0 | ||||
Calc delta mag | 5.17 | Calc coord | yes |