Coord 2000 | 20273+2820 | Discov num | MLB 774 | Comp | BC | Coord arcsec 2000 | 20 27 21.58 +28 20 04.2 | ||||
Date first | 1932 | Date last | 2015 | Obs | 4 | ||||||
Pa first | 273 | Pa last | 279.4 | P.A. Now (θ) | 279.4° | ||||||
Sep first | 4.1 | Sep last | 4.318 | Sep. Now (ρ) | 4.318" | ||||||
Mag pri | 13.70 | Mag sec | 13.70 | delta mag (ΔM) | 0 | Spectral class | |||||
Pri motion ra | +086 | Sec motion ra | -066 | ||||||||
Pri motion dec | -022 | Sec motion dec | +001 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 88699 | 20 27 19 +28 19 44 | MLB 774 AB | 2015 | 4 | 63 | 44.1 | 8.83 | 13.70 | 4.87 | |||
Show | 20 27 22 +28 20 04 | MLB 774 BC | 2015 | 4 | 279 | 4.3 | 13.70 | 13.70 | 0.00 | <=== |
Constellation | Vulpecula | Gaia DR2 | 1860105054077255168 |
refcode | metd | author | reference |
Mlb1918 | Mb - | Milburn, W. (Espin, T.E.) | 1918MNRAS..78..189E |
Mlb1918 | MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin) | ||
Mlb1919 | Mb - | Milburn, W. (Espin, T.E.) | 1919MNRAS..79..211E |
Mlb1919 | MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin) | ||
Mlb1920 | Mb - | Milburn, W. | 1920MNRAS..80..329M |
Mlb1920 | MNRAS 80, 329, 1920 (MLB 107 - 149) | ||
Mlb1921 | Mb - | Milburn, W. | 1921MNRAS..81..232E |
Mlb1921 | MNRAS 81, 232, 1921 (MLB 150 - 182) | ||
Mlb1922 | Mb j | Milburn, W. (Espin, T.E.) | 1922MNRAS..82..187E |
Mlb1922 | MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin) | ||
Mlb1923 | Mb - | Milburn, W. | 1923MNRAS..83..154E |
Mlb1923 | MNRAS 83, 154, 1923 (MLB 242 - 275) | ||
Mlb1924 | Mb - | Milburn, W. | 1924MNRAS..84..162E |
Mlb1924 | MNRAS 84, 162, 1924 (MLB 276 - 322) | ||
Mlb1925 | Mb j | Milburn, W. | 1925MNRAS..85..276E |
Mlb1925 | MNRAS 85, 276, 1925 (MLB 323 - 376) | ||
Mlb1926 | Mb - | Milburn, W. | 1926MNRAS..86..131E |
Mlb1926 | MNRAS 86, 131, 1926 (MLB 377 - 440) | ||
Mlb1927 | Mb j | Milburn, W. | 1927MNRAS..87..215E |
Mlb1927 | +Po | MNRAS 87, 215, 1927 (MLB 441 - 510) | |
Mlb1928 | Mb - | Milburn, W. | 1928MNRAS..88..185E |
Mlb1928 | MNRAS 88, 185, 1928 (MLB 511 - 551) | ||
Mlb1929 | Mb - | Milburn, W. | 1929MNRAS..89..268E |
Mlb1929 | MNRAS 89, 268, 1929 (MLB 552 - 591) | ||
Mlb1930 | Mb - | Milburn, W. | 1930MNRAS..90..317E |
Mlb1930 | MNRAS 90, 317, 1930 (MLB 592 - 630) | ||
Mlb1931 | Mb j | Milburn, W. | 1931MNRAS..91..294E |
Mlb1931 | MNRAS 91, 294, 1931 (MLB 631 - 673) | ||
Mlb1932 | Ma - | Milburn, W. | 1932MNRAS..92..214E |
Mlb1932 | +Mb | MNRAS 92, 214, 1932 (MLB 674 - 732) | |
Mlb1932B | Ma - | Milburn, W. | 1932QB821.A43...... |
Mlb1932B | cited by ADS (Aitken Double Star Cat., 1932) | ||
Mlb1933 | Ma j | Milburn, W. | 1933MNRAS..93..192E |
Mlb1933 | +Mb | MNRAS 93, 192, 1933 (MLB 733 - 806) | |
Mlb1934 | Mb j | Milburn, W. | 1934MNRAS..94..255M |
Mlb1934 | MNRAS 94, 255, 1934 (MLB 807 - 912) | ||
Mlb1935 | Mb j | Milburn, W. | 1935MNRAS..95..298M |
Mlb1935 | MNRAS 95, 298, 1935 (MLB 913 - 969) | ||
Mlb1936 | Mb - | Milburn, W. | 1936MNRAS..96..266M |
Mlb1936 | MNRAS 96, 266, 1936 (MLB 970 - 997) | ||
Mlb1937 | Ma - | Milburn, W. | 1937MNRAS..97..222M |
Mlb1937 | +Mb | MNRAS 97, 222, 1937 (MLB 998 - 1025) | |
Mlb1938 | Ma - | Milburn, W. | 1938MNRAS..98..223M |
Mlb1938 | +Mb | MNRAS 98, 223, 1938 (MLB 1026 - 1032) | |
Mlb1939 | Mb - | Milburn, W. | 1939MNRAS..99..278M |
Mlb1939 | MNRAS 99, 278, 1939 (MLB 1033 - 1051) | ||
Mlb9999 | Mb - | Milburn, W. | ................... |
Mlb9999 | Unpublished, manuscript or reference not found. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20273+2820 | MLB 774 | BC | 1997 | 2 | 279 | 4.2 | 11.20 | 11.30 | D | 202721.59+282004.3 | |
20273+2820 | MLB 774 | BC | 2002 | 3 | 279 | 4.2 | 13.70 | 13.70 | D | 202721.58+282004.2 | |
20273+2820 | MLB 774 | BC | 2010 | 4 | 280 | 3.8 | 13.70 | 13.70 | 202721.58+282004.2 | ||
20273+2820 | MLB 774 | BC | 2015 | 4 | 279 | 4.3 | 13.70 | 13.70 | 202721.58+282004.2 |
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=62.5° sep=43.92" | |
C | pa=59.2° sep=40.99" | pa=280.7° sep=3.82" |
Coord arcsec 2000 | 202718.63+281943.9 | Mag | 8.83 | Spectral class | B8 (blue-white) | PmRA | -4.00 | ||||
PmDE | -7.0 | SAO | 88699 | Tycho2 | 2168-00778-1 | HD | 334415 | ||||
DM | BD+27 3738 |
Tycho2 | 2168-00778-1 | Pflag | RAmdeg | 306.82763075 | DEmdeg | 28.32887689 | |||||
PmRA | -4.2 | PmDE | -7.0 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.3 | E pmDE | 1.1 | EpRAm | 1991.50 | EpDEm | 1991.40 | ||||
Num | 10 | Q RAmdeg | 1.0 | Q DEmdeg | 1.0 | Q pmRA | 0.9 | ||||
Q pmDE | 1.1 | BTmag | 8.907 | E BTmag | 0.015 | VTmag | 8.831 | ||||
E VTmag | 0.012 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 306.82764167 | DEdeg | 28.32889306 | EpRA 1990 | 1.80 | |||||
EpDE 1990 | 1.75 | E RAdeg | 5.1 | E DEdeg | 5.4 | Posflg | |||||
Corr | 0.3 |
SAO | 88699 | DelFlag | RA1950 | PmRA1950 | -0.0003 | ||||||
DE1950 | PmDE1950 | 0.003 | Vmag | 8.5 | SpType | B8 | |||||
Double code | Source | 34 | CatNum | 11331 | DM | BD+27 3738 | |||||
DMcomp | BDsup | HD | 334415 | M HD | 0 | ||||||
GC | RA1950rad | 5.34606627 | DE1950rad | 0.49154006 | PmRA2000 | -0.0002 | |||||
PmDE2000 | 0 |
Ccdm | 20273+2820 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.59 | DDEs | -15.4 | ||||||
R dRAs | 65 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 8.7 | Sp | B8 | PmNote | * | ||||
PmRA | -15 | PmDE | -6 | Dm number | +27 3738 | Cat1 | BD | ||||
Name2 | +28 2253 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | M ADS BDS | N IDS | IDS | 20221N2800A | |||||||
HIC |
Coord arcsec 2000 | 202721.58+282004.2 | Coord calc | 202721.58+282004.2 | Mag | 13.7 | PmRA | 86.00 | ||||
PmDE | -22.0 | Calc delta mag | 4.87 |
Ccdm | 20273+2820 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | MLB 774 | DRAs | 3.46 | DDEs | 4.4 | |||||
R dRAs | 65 | Year | 1932 | Theta | 064 | Rho | 39.0 | ||||
Obs | 1 | Vmag | 11.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 20221N2800B | |||||||
HIC |
Coord arcsec 2000 | 202721.30+282004.9 | Mag | 13.7 | PmRA | -66.00 | PmDE | 1.0 | ||||
Calc delta mag | 4.87 | Calc coord | yes |
Ccdm | 20273+2820 | RComp | B | Comp | C | Note1 | |||||
Note2 | Discov num | MLB 774 | DRAs | DDEs | |||||||
R dRAs | Year | 1932 | Theta | 273 | Rho | 4.1 | |||||
Obs | 1 | Vmag | 11.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 20221N2800C | |||||||
HIC |