Coord 2000 | 19354+2755 | Discov num | BKO 70 | Comp | EH | Coord arcsec 2000 | 19 35 26.69 +27 53 36.4 | ||||
Date first | 1997 | Date last | 2012 | Obs | 4 | ||||||
Pa first | 270 | Pa last | 274.6 | P.A. Now (θ) | 274.6° | ||||||
Sep first | 4.8 | Sep last | 4.68 | Sep. Now (ρ) | 4.68" | ||||||
Mag pri | 13.30 | Mag sec | 14.00 | delta mag (ΔM) | 0.7 | Spectral class | |||||
Pri motion ra | -007 | Sec motion ra | |||||||||
Pri motion dec | -022 | Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 184878 | 87405 | 19 35 26 +27 54 38 | ES 489 AB | 2015 | 11 | 237 | 17.0 | 8.63 | 11.20 | 2.57 | ||
Show | 87405 | 19 35 26 +27 54 38 | ES 489 AC | 2015 | 11 | 203 | 22.1 | 8.63 | 11.60 | 2.97 | |||
Show | 87405 | 19 35 26 +27 54 38 | ABH 121 AD | 2015 | 10 | 227 | 49.8 | 8.60 | 12.77 | 4.17 | |||
Show | 87405 | 19 35 26 +27 54 38 | ABH 121 AE | 2012 | 5 | 175 | 61.8 | 8.60 | 13.30 | 4.70 | |||
Show | 87405 | 19 35 26 +27 54 38 | ABH 121 AF | 2015 | 10 | 200 | 58.4 | 8.60 | 13.89 | 5.29 | |||
Show | 19 35 24 +27 54 04 | BKO 70 DG | 2015 | 8 | 167 | 7.4 | 12.77 | 15.00 | 2.23 | ||||
Show | 19 35 27 +27 53 36 | BKO 70 EH | 2012 | 4 | 275 | 4.7 | 13.30 | 14.00 | 0.70 | <=== |
Constellation | Cygnus | Gaia DR2 | 2025387799484137088 |
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 | ||
Bko2002 | C - | Ladanyi, T. & Berko, E. | ................... |
Bko2002 | Webb Soc., Double Star Circ. 10, 2002 | ||
Bko2003 | C u | Ladanyi, T., Berko, E. & Vaskuti, G | ................... |
Bko2003 | Webb Soc., Double Star Circ. 11, 2003 | ||
Bko2004 | C u | Berko, E., Ladanyi, T. & Vaskuti, G | ................... |
Bko2004 | Webb Soc., Double Star Circ. 12, 2004 | ||
Bko2005 | C u | Berko, E., Ladanyi, T. & Vaskuti, G | ................... |
Bko2005 | Webb Soc., Double Star Circ. 13, 2005 | ||
Bko2008 | C u | Berko, E. & Vaskuti, G. | ................... |
Bko2008 | Webb Soc., Double Star Circ. 16, 2008 | ||
Bko2008b | C u | Berko, E. | 2008JDSO....4..144B |
Bko2008b | JDSO 4, 144, 2008 | ||
Bko2009 | C u | Berko, E. | 2009JDSO....5...49B |
Bko2009 | JDSO 5, 49, 2009 | ||
Bko2009b | C u | Berko, E. | 2009JDSO....5..168B |
Bko2009b | JDSO 5, 168, 2009 | ||
Bko2009c | C u | Berko, E. | ................... |
Bko2009c | Webb Soc., Double Star Circ. 17, 2009 | ||
Bko2009d | C u | Berko, E. | 2009JDSO....5..189B |
Bko2009d | JDSO 5, 189, 2009 | ||
Bko2010a | C u | Berko, E. | 2010JDSO....6...21B |
Bko2010a | JDSO 6, 21, 2010 | ||
Bko2010b | C u | Berko, E. | ................... |
Bko2010b | Webb Soc., Double Star Circ. 18, 2010 | ||
Bko2011a | C u | Berko, E. | 2011JDSO....7....2B |
Bko2011a | JDSO 7, 2, 2011 | ||
Bko2011b | C u | Berko, E. | ................... |
Bko2011b | Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980) | ||
Bko2011c | C u | Berko, E. | ................... |
Bko2011c | Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042) | ||
Bko2012 | C u | Berko, E. | ................... |
Bko2012 | Webb Soc., Double Star Circ. 20, 2012 | ||
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 |
19354+2755 | BKO 70 | EH | 2002 | 2 | 271 | 4.6 | 13.30 | 14.00 | D | 193526.69+275336.4 | |
19354+2755 | BKO 70 | EH | 2012 | 4 | 275 | 4.7 | 13.30 | 14.00 | D | 193526.69+275336.4 |
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 | |
B | pa=233.5° sep=15.66" | ||||||
C | pa=200.7° sep=21.68" | pa=155.9° sep=12.01" | |||||
D | pa=227.0° sep=49.52" | pa=224.0° sep=34.01" | pa=244.6° sep=31.55" | ||||
E | pa=174.6° sep=61.68" | pa=160.5° sep=55.24" | pa=161.8° sep=43.29" | pa=123.3° sep=50.28" | |||
F | pa=197.9° sep=57.68" | pa=186.5° sep=45.85" | pa=196.2° sep=36.04" | pa=138.8° sep=28.01" | pa=285.5° sep=24.47" | ||
G | pa=220.2° sep=53.72" | pa=214.9° sep=38.64" | pa=232.5° sep=34.06" | pa=168.4° sep=7.35" | pa=296.7° sep=45.39" | pa=309.3° sep=21.92" | |
H | pa=178.4° sep=61.05" | pa=164.5° sep=53.65" | pa=167.0° sep=41.82" | pa=125.7° sep=46.67" | pa=275.2° sep=4.14" | pa=107.5° sep=20.41" | pa=118.8° sep=41.56" |
Name | HD 184878 | Coord arcsec 2000 | 193526.25+275437.8 | Mag | 8.63 | Spectral class | A0V (white) | ||||
PmRA | 3.00 | PmDE | 10.0 | SAO | 87405 | Tycho2 | 2146-01070-1 | ||||
HD | 184878 | DM | BD+27 3438 |
Tycho2 | 2146-01070-1 | Pflag | RAmdeg | 293.85939938 | DEmdeg | 27.91050089 | |||||
PmRA | 3.8 | PmDE | 9.3 | E RAmdeg | 6 | E DEmdeg | 6 | ||||
E pmRA | 1.4 | E pmDE | 1.3 | EpRAm | 1991.20 | EpDEm | 1991.18 | ||||
Num | 8 | Q RAmdeg | 0.5 | Q DEmdeg | 0.7 | Q pmRA | 0.5 | ||||
Q pmDE | 0.7 | BTmag | 8.726 | E BTmag | 0.016 | VTmag | 8.631 | ||||
E VTmag | 0.012 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 293.85938917 | DEdeg | 27.91047917 | EpRA 1990 | 1.55 | |||||
EpDE 1990 | 1.61 | E RAdeg | 6.0 | E DEdeg | 5.5 | Posflg | |||||
Corr | 0.1 |
SAO | 87405 | DelFlag | RA1950 | PmRA1950 | 0.0009 | ||||||
DE1950 | PmDE1950 | 0.001 | Vmag | 8.8 | SpType | A0 | |||||
Double code | Source | 34 | CatNum | 10142 | DM | BD+27 3438 | |||||
DMcomp | BDsup | HD | 184878 | M HD | 0 | ||||||
GC | RA1950rad | 5.11998376 | DE1950rad | 0.4851806 | PmRA2000 | 0.001 | |||||
PmDE2000 | -0.001 |
Ccdm | 19354+2755 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.26 | DDEs | -23.4 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 8.9 | Sp | A0 | PmNote | * | ||||
PmRA | 5 | PmDE | -6 | Dm number | +27 3438 | Cat1 | BD | ||||
Name2 | +27 1991 | Cat2 | AGK2/3 | HD | 184878 | M HD | |||||
ADS BDS | A12643 | M ADS BDS | N IDS | IDS | 19314N2741A | ||||||
HIC |
Coord arcsec 2000 | 193525.30+275428.5 | Mag | 11.2 | PmRA | -1.00 | PmDE | -5.0 | ||||
Calc delta mag | 2.57 | Calc coord | yes |
Ccdm | 19354+2755 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | ES 489 | DRAs | DDEs | |||||||
R dRAs | Year | 1907 | Theta | 243 | Rho | 15.4 | |||||
Obs | 1 | Vmag | 11.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12643 | M ADS BDS | N IDS | IDS | 19314N2741B | ||||||
HIC |
Coord arcsec 2000 | 193525.67+275417.5 | Mag | 11.6 | PmRA | 26.00 | PmDE | -29.0 | ||||
Calc delta mag | 2.97 | Calc coord | yes |
Ccdm | 19354+2755 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | ES 489 | DRAs | DDEs | |||||||
R dRAs | Year | 1907 | Theta | 206 | Rho | 20.3 | |||||
Obs | 1 | Vmag | 11.9 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12643 | M ADS BDS | N IDS | IDS | 19314N2741C | ||||||
HIC |
Coord arcsec 2000 | 193523.52+275404.0 | Coord calc | 193523.52+275404.0 | Mag | 12.77 | PmRA | -27.00 | ||||
PmDE | -9.0 | Calc delta mag | 4.14 |
Coord arcsec 2000 | 193526.69+275336.4 | Coord calc | 193526.69+275336.4 | Mag | 13.3 | PmRA | -7.00 | ||||
PmDE | -22.0 | Calc delta mag | 4.67 |
Coord arcsec 2000 | 193524.91+275342.9 | Mag | 13.89 | PmRA | -35.00 | PmDE | -15.0 | ||||
Calc delta mag | 5.26 | Calc coord | yes |
Coord arcsec 2000 | 193523.63+275356.8 | Mag | 15 | Calc delta mag | 6.37 | Calc coord | yes |
Coord arcsec 2000 | 193526.38+275336.8 | Mag | 14 | Calc delta mag | 5.37 | Calc coord | yes |