Coord 2000 | 20277+4507 | Discov num | ROE 43 | Comp | AE | Coord arcsec 2000 | 20 27 42.34 +45 06 37.7 | ||||
Date first | 1892 | Date last | 2015 | Obs | 11 | ||||||
Pa first | 281 | Pa last | 281.7 | P.A. Now (θ) | 281.7° | ||||||
Sep first | 82.9 | Sep last | 82.92 | Sep. Now (ρ) | 82.92" | ||||||
Mag pri | 9.38 | Mag sec | 11.19 | delta mag (ΔM) | 1.81 | Spectral class | A2 (white) | ||||
Pri motion ra | -009 | Sec motion ra | -004 | ||||||||
Pri motion dec | -007 | Sec motion dec | +003 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 20 27 42 +45 06 38 | ROE 43 AB | 2015 | 9 | 317 | 17.4 | 9.38 | 14.80 | 5.42 | ||||
Show | 20 27 42 +45 06 38 | ROE 43 AC | 2015 | 8 | 312 | 52.6 | 9.38 | 13.19 | 3.81 | ||||
Show | 20 27 42 +45 06 38 | ROE 43 AD | 2015 | 9 | 271 | 42.4 | 9.38 | 12.47 | 3.09 | ||||
Show | 20 27 42 +45 06 38 | ROE 43 AE | 2015 | 11 | 282 | 82.9 | 9.38 | 11.19 | 1.81 | <=== | |||
Show | 20 27 42 +45 06 38 | ROE 43 AF | 2015 | 13 | 336 | 87.1 | 9.38 | 12.40 | 3.02 | ||||
Show | 20 27 42 +45 06 38 | ROE 43 AG | 2015 | 13 | 282 | 102.4 | 9.38 | 12.85 | 3.47 | ||||
Show | 20 27 42 +45 06 38 | BKO 154 AH | 2015 | 7 | 224 | 18.4 | 9.38 | 12.70 | 3.32 | ||||
Show | 20 27 42 +45 06 38 | BKO 154 AI | 2015 | 7 | 63 | 24.2 | 9.38 | 14.00 | 4.62 | ||||
Show | 20 27 39 +45 07 13 | BKO 154 CJ | 2015 | 4 | 331 | 17.9 | 13.40 | 13.90 | 0.50 | ||||
Show | 20 27 35 +45 06 55 | BKO 154 EK | 2015 | 4 | 109 | 4.7 | 11.20 | 13.00 | 1.80 |
Constellation | Cygnus | Tycho2 | 3573-00540-1 | Gaia DR2 | 2070872460915410304 |
refcode | metd | author | reference |
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 | ||
Roe1908 | Ma - | Roe, E.D. | 1908AN....178..169R |
Roe1908 | AN 178, 169, 1908 | ||
Roe1909 | Ma - | Roe, E.D. | 1909AN....181..285R |
Roe1909 | AN 181, 285, 1909 | ||
Roe1910a | Ma - | Roe, E.D. | 1910AJ.....26...93R |
Roe1910a | AJ 26, 93, 1910 | ||
Roe1910b | Ma j | Roe, E.D. | ................... |
Roe1910b | Journal Astronomique 1, no. 4, 25, 1910 | ||
Roe1910c | Ma - | Roe, E.D. | 1910AN....183..197R |
Roe1910c | AN 183, 197, 1910 | ||
Roe1910d | Ma j | Roe, E.D. | 1910PA.....18..354R |
Roe1910d | Popular Astronomy 18, 354, 1910 | ||
Roe1910e | Ma j | Roe, E.D. | 1910PA.....18..554R |
Roe1910e | Popular Astronomy 18, 554, 1910 | ||
Roe1911a | Ma - | Roe, E.D. | 1911AN....187...39R |
Roe1911a | AN 187, 39, 1911 | ||
Roe1911b | Ma - | Roe, E.D. | 1911AN....188..373R |
Roe1911b | AN 188, 373, 1911 | ||
Roe1911c | Ma - | Roe, E.D. | 1911AN....190..137R |
Roe1911c | AN 190, 137, 1911 | ||
Roe1911d | Ma j | Roe, E.D. | 1911PA.....19..383R |
Roe1911d | Popular Astronomy 19, 383, 1911 | ||
Roe1914 | Ma j | Roe, E.D. | 1914AN....199..169R |
Roe1914 | AN 199, 169, 1914 | ||
Roe1915 | Ma - | Roe, E.D. | 1915AN....202..99R |
Roe1915 | AN 202, 99, 1915 | ||
Roe1917 | Ma j | Roe, E.D. | 1917AN....204...21R |
Roe1917 | AN 204, 21, 1917 | ||
Roe1918 | Ma - | Roe, E.D. | 1918AJ.....31..149R |
Roe1918 | AJ 31, 149, 1918 | ||
Roe1919a | Ma j | Roe, E.D. | 1919AJ.....32....6R |
Roe1919a | AJ 32, 6, 1919 | ||
Roe1919b | Ma j | Roe, E.D. | 1919AJ.....32...25R |
Roe1919b | AJ 32, 25, 1919 | ||
Roe1932A | - | Roe, E.D. | 1932QB821.A43...... |
Roe1932A | cited in ADS (Aitken Double Star Cat.), 1932 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20277+4507 | ROE 43 | AE | 2003 | 9 | 282 | 83.0 | 9.38 | 11.20 | D | 202742.34+450637.7 | |
20277+4507 | ROE 43 | AE | 2015 | 11 | 282 | 82.9 | 9.38 | 11.19 | A2 | 202742.34+450637.7 |
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 | |
B | pa=326.3° sep=15.18" | |||||||||
C | pa=311.7° sep=52.75" | pa=306.0° sep=38.25" | ||||||||
D | pa=271.8° sep=29.91" | pa=241.5° sep=24.43" | pa=164.5° sep=35.43" | |||||||
E | pa=281.8° sep=82.83" | pa=273.4° sep=72.79" | pa=246.4° sep=45.50" | pa=287.3° sep=53.62" | ||||||
F | pa=342.5° sep=83.38" | pa=346.0° sep=68.94" | pa=17.8° sep=46.65" | pa=3.5° sep=78.70" | pa=41.8° sep=83.99" | |||||
G | pa=286.9° sep=73.83" | pa=278.1° sep=62.84" | pa=246.4° sep=34.11" | pa=296.7° sep=45.62" | pa=66.4° sep=11.40" | pa=218.1° sep=73.78" | ||||
H | pa=214.0° sep=16.07" | pa=181.2° sep=25.95" | pa=147.9° sep=57.17" | pa=124.3° sep=25.32" | pa=112.7° sep=78.18" | pa=170.2° sep=94.23" | pa=119.4° sep=70.79" | |||
I | pa=54.5° sep=18.74" | pa=94.2° sep=23.75" | pa=113.9° sep=59.76" | pa=77.6° sep=46.23" | pa=93.6° sep=96.53" | pa=149.6° sep=79.62" | pa=97.0° sep=86.55" | pa=45.1° sep=34.25" | ||
J | pa=318.1° sep=68.18" | pa=315.8° sep=53.20" | pa=338.6° sep=16.81" | pa=342.6° sep=52.19" | pa=46.4° sep=49.09" | pa=215.4° sep=35.28" | pa=40.6° sep=38.58" | pa=330.3° sep=73.76" | pa=303.3° sep=72.69" | |
K | pa=281.2° sep=79.43" | pa=272.3° sep=69.56" | pa=242.9° sep=43.29" | pa=286.7° sep=50.16" | pa=115.5° sep=3.50" | pa=219.5° sep=83.07" | pa=230.2° sep=9.48" | pa=292.6° sep=74.69" | pa=272.8° sep=93.29" | pa=222.5° sep=47.95" |
Coord arcsec 2000 | 202742.34+450637.7 | Mag | 9.38 | Spectral class | A2 (white) | PmRA | -9.00 | ||||
PmDE | -7.0 | Tycho2 | 3573-00540-1 |
Tycho2 | 3573-00540-1 | Pflag | RAmdeg | 306.92643287 | DEmdeg | 45.11048259 | |||||
PmRA | -6.9 | PmDE | -10.5 | E RAmdeg | 10 | E DEmdeg | 10 | ||||
E pmRA | 1.0 | E pmDE | 1.0 | EpRAm | 1990.29 | EpDEm | 1990.35 | ||||
Num | 7 | Q RAmdeg | 0.6 | Q DEmdeg | 0.8 | Q pmRA | 0.6 | ||||
Q pmDE | 0.9 | BTmag | 9.636 | E BTmag | 0.020 | VTmag | 9.381 | ||||
E VTmag | 0.017 | Prox | 830 | TYC | T | HIP | |||||
CCDM | RAdeg | 306.92645611 | DEdeg | 45.11050722 | EpRA 1990 | 1.69 | |||||
EpDE 1990 | 1.76 | E RAdeg | 9.8 | E DEdeg | 9.6 | Posflg | |||||
Corr | 0.0 |
Coord arcsec 2000 | 202741.54+450650.3 | Mag | 14.8 | PmRA | -9.00 | PmDE | -2.0 | ||||
Calc delta mag | 5.42 | Calc coord | yes |
Coord arcsec 2000 | 202738.62+450712.8 | Coord calc | 202738.62+450712.8 | Mag | 13.4 | PmRA | 2.00 | ||||
PmDE | -1.0 | Calc delta mag | 4.02 |
Coord arcsec 2000 | 202739.52+450638.7 | Mag | 12.47 | PmRA | -8.00 | PmDE | 0.0 | ||||
Calc delta mag | 3.09 | Calc coord | yes |
Coord arcsec 2000 | 202734.68+450654.6 | Coord calc | 202734.68+450654.6 | Mag | 11.2 | PmRA | -4.00 | ||||
PmDE | 3.0 | Tycho2 | 3573-00591-1 | Calc delta mag | 1.82 |
Tycho2 | 3573-00591-1 | Pflag | RAmdeg | 306.89449370 | DEmdeg | 45.11515743 | |||||
PmRA | -3.5 | PmDE | 3.3 | E RAmdeg | 28 | E DEmdeg | 27 | ||||
E pmRA | 1.5 | E pmDE | 1.5 | EpRAm | 1985.42 | EpDEm | 1985.57 | ||||
Num | 4 | Q RAmdeg | 5.1 | Q DEmdeg | 1.7 | Q pmRA | 5.2 | ||||
Q pmDE | 1.6 | BTmag | 11.237 | E BTmag | 0.051 | VTmag | 11.185 | ||||
E VTmag | 0.073 | Prox | 195 | TYC | T | HIP | |||||
CCDM | RAdeg | 306.89444417 | DEdeg | 45.11515750 | EpRA 1990 | 1.68 | |||||
EpDE 1990 | 1.76 | E RAdeg | 36.7 | E DEdeg | 34.5 | Posflg | |||||
Corr | -0.1 |
Coord arcsec 2000 | 202739.97+450757.2 | Mag | 12.4 | PmRA | 7.00 | PmDE | 4.0 | ||||
Tycho2 | 3573-00486-1 | Calc delta mag | 3.02 | Calc coord | yes |
Tycho2 | 3573-00486-1 | Pflag | RAmdeg | 306.91241569 | DEmdeg | 45.13250518 | |||||
PmRA | 9.8 | PmDE | 2.1 | E RAmdeg | 82 | E DEmdeg | 77 | ||||
E pmRA | 1.8 | E pmDE | 1.7 | EpRAm | 1960.47 | EpDEm | 1959.23 | ||||
Num | 4 | Q RAmdeg | 0.8 | Q DEmdeg | 1.0 | Q pmRA | 0.8 | ||||
Q pmDE | 0.9 | BTmag | 13.008 | E BTmag | 0.249 | VTmag | 12.397 | ||||
E VTmag | 0.191 | Prox | 773 | TYC | HIP | ||||||
CCDM | RAdeg | 306.91238306 | DEdeg | 45.13250028 | EpRA 1990 | 1.66 | |||||
EpDE 1990 | 1.80 | E RAdeg | 99.2 | E DEdeg | 94.4 | Posflg | |||||
Corr | 0.0 |
Coord arcsec 2000 | 202735.67+450659.2 | Mag | 12.85 | PmRA | -7.00 | PmDE | -5.0 | ||||
Calc delta mag | 3.47 | Calc coord | yes |
Coord arcsec 2000 | 202741.49+450624.4 | Mag | 12.7 | PmRA | -32.00 | PmDE | -18.0 | ||||
Calc delta mag | 3.32 | Calc coord | yes |
Coord arcsec 2000 | 202743.78+450648.6 | Mag | 14 | Calc delta mag | 4.62 | Calc coord | yes |
Coord arcsec 2000 | 202738.04+450728.5 | Mag | 13.9 | PmRA | -65.00 | PmDE | 10.0 | ||||
Calc delta mag | 4.52 | Calc coord | yes |
Coord arcsec 2000 | 202734.98+450653.1 | Mag | 13 | Calc delta mag | 3.62 | Calc coord | yes |