20328+3954 ES 1680 BC

 
 
20h 32m 45.08s +39° 55' 11.5" P.A. 27.00 sep 2.8 mag 11.56,12.30
 
 
Coord 2000 20328+3954 Discov num ES 1680 Comp BC Coord arcsec 2000 20 32 45.08 +39 55 11.5
Date first 1917 Date last 2016 Obs 8
Pa first 21 Pa last 27.3 P.A. Now (θ) 27.3°
Sep first 2.3 Sep last 2.801 Sep. Now (ρ) 2.801"
Mag pri 11.56 Mag sec 12.30 delta mag (ΔM) 0.74 Spectral class
Pri motion ra -014 Sec motion ra +046
Pri motion dec -040 Sec motion dec +083
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.442
This double is not physical.
 
 
20328+3954 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 32 45 +39 54 21 ES 1680 AB 2015 9 4 50.7 9.91 11.56 1.65
Show 20 32 45 +39 55 12 ES 1680 BC 2016 8 27 2.8 11.56 12.30 0.74 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3157-00300-1 Gaia DR2 2064318340822356096
 
 
WDS 20328+3954 ES 1680 BC : NOTES
 
 
discov_num notes refcode
ES 1680 BC: 20327+3995ES 1977.
 
 
REFERENCES
 
 
refcode metd author reference
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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20328+3954 ES 1680 BC 1975 4 28 2.6 11.56 12.30 N 203245.08+395511.5
20328+3954 ES 1680 BC 2011 5 21 2.7 11.56 12.30 Nu 203245.08+395511.5
20328+3954 ES 1680 BC 2015 6 28 2.7 11.56 12.30 Nu 203245.08+395511.5
20328+3954 ES 1680 BC 2016 8 27 2.8 11.56 12.30 NU 203245.08+395511.5

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20328+3954 ES 1680 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20328+3954 ES 1680 BC : MEASURES
 
 
No records found.

 
 
WDS 20328+3954 : VIRTUAL EYEPIECE
 
 

20328+3954 ES 1680A mag 9.91 20328+3954 ES 1680B sep 50.8 P.A. 4.60 mag 11.56 20328+3954 ES 1680C sep 53.3 P.A. 5.40 mag 12.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20328+3954 : ALADIN DSS IMAGE @ 20h 32m 45.08s +39° 55' 11.5"
 
 
 
 
WDS 20328+3954 ES 1680 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20328+3954  ES 1680BC distance=1' 20328+3954  ES 1680AB distance=1' 20328+4000  SEI1161 distance=6' 20327+4008  TDT2351 distance=14' 20343+3950  MLB 883 distance=19' 20338+4012  TDT2375 distance=21' 20331+3932  SEI1164 distance=24' 20311+3935  LDS6414 distance=29' 20329+3925  TDT2358 distance=31' 20306+4015  STJ  84 distance=32' 20301+4007  ES  245 distance=33' 20332+4028  HJ  609 distance=33' 20319+3920  HJ 1531 distance=37' 20298+3939  LSC  90 distance=38' 20339+4031  OPI9006 distance=39' 20327+3916  SEI1160AB distance=39' 20327+3916  SEI1159AC distance=39' 20325+4035  CAN  22AB distance=40' 20325+4035  CAN  22AC distance=40' 20325+4035  CAN  22AD distance=40' 20325+4035  CAN  22AE distance=40' 20325+4035  CAN  22AF distance=40' 20325+4035  CAN  22AG distance=40' 20363+3955  TDT2410 distance=41' 20362+4008  BRT2267 distance=41' 20339+4034  AG  409 distance=41' 20294+4011  ALV   6 distance=42' 20299+4022  HJ 1525AB distance=43' 20299+4022  HJ 1525AC distance=43' 20335+3913  SEI1168 distance=44' 20328+4040  SKF1866 distance=45' 20332+3911  CNT   6 distance=45' 20332+3910  SEI1165 distance=46' 20326+4041  CAN  18AB distance=46' 20326+4041  CAN  18AC distance=46' 20326+4041  CAN  18AD distance=46' 20326+4041  CAN  18AE distance=46' 20326+4041  CAN  18AF distance=46' 20326+4041  CAN  18AG distance=46' 20336+4041  CAN  12AB distance=48' 20336+4041  CAN  12AC distance=48' 20296+4021  STN  50 distance=49' 20349+4038  CAN  21 distance=50' 20351+3914  MLB 777 distance=50' 20330+3903  SEI1163 distance=52' 20283+4005  COU2538 distance=53' 20330+4047  CAN  15AB distance=53' 20330+4047  CAN  15AC distance=53' 20330+4047  CAN  15AD distance=53' 20330+4047  CAN  15AE distance=53' 20330+4047  CAN  15AF distance=53' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20328+3954 ES 1680 BC 27 2.8 1
Show 20328+3954 ES 1680 AB 4 50.7 1
Show 20328+4000 SEI1161 280 7.4 6
Show 20327+4008 TDT2351 131 0.6 14
Show 20343+3950 MLB 883 310 10.0 19
Show 20338+4012 TDT2375 112 2.2 21
Show 20331+3932 SEI1164 214 18.0 24
Show 20311+3935 LDS6414 346 8.0 29
Show 20329+3925 TDT2358 287 0.8 31
Show 20306+4015 STJ 84 34 1.2 32
Show 20301+4007 ES 245 158 4.1 33
Show 20332+4028 HJ 609 320 26.7 33
Show 20319+3920 HJ 1531 318 6.4 37
Show 20298+3939 LSC 90 335 0.1 38
Show 20339+4031 OPI9006 300 17.0 39
Show 20327+3916 SEI1160 AB 49 13.9 39
Show 20327+3916 SEI1159 AC 148 21.0 39
Show 20325+4035 CAN 22 AB 153 3.3 40
Show 20325+4035 CAN 22 AC 178 4.5 40
Show 20325+4035 CAN 22 AD 84 6.3 40
Show 20325+4035 CAN 22 AE 65 7.4 40
Show 20325+4035 CAN 22 AF 261 9.2 40
Show 20325+4035 CAN 22 AG 31 11.5 40
Show 20363+3955 TDT2410 76 0.6 41
Show 20362+4008 BRT2267 163 4.4 41
Show 20339+4034 AG 409 266 9.8 41
Show 20294+4011 ALV 6 259 0.6 42
Show 20299+4022 HJ 1525 AB 234 9.2 43
Show 20299+4022 HJ 1525 AC 39 17.1 43
Show 20335+3913 SEI1168 118 19.4 44
Show 20328+4040 SKF1866 286 2.8 45
Show 20332+3911 CNT 6 205 6.6 45
Show 20332+3910 SEI1165 4 10.7 46
Show 20326+4041 CAN 18 AB 63 7.5 46
Show 20326+4041 CAN 18 AC 130 8.1 46
Show 20326+4041 CAN 18 AD 117 8.8 46
Show 20326+4041 CAN 18 AE 179 9.1 46
Show 20326+4041 CAN 18 AF 132 9.4 46
Show 20326+4041 CAN 18 AG 305 10.8 46
Show 20336+4041 CAN 12 AB 239 5.8 48
Show 20336+4041 CAN 12 AC 255 9.5 48
Show 20296+4021 STN 50 170 6.3 49
Show 20349+4038 CAN 21 165 7.7 50
Show 20351+3914 MLB 777 186 6.3 50
Show 20330+3903 SEI1163 221 28.9 52
Show 20283+4005 COU2538 31 1.0 53
Show 20330+4047 CAN 15 AB 113 0.1 53
Show 20330+4047 CAN 15 AC 241 2.6 53
Show 20330+4047 CAN 15 AD 201 5.5 53
Show 20330+4047 CAN 15 AE 230 9.3 53
Show 20330+4047 CAN 15 AF 341 15.7 53

 
 
WDS 20328+3954 : COMPONENTS
 
 
  A B
B pa=4.6°
sep=50.76"
 
C pa=5.4°
sep=53.33"
pa=21.6°
sep=2.68"
 
 
20328+3954 A
 
 
Coord arcsec 2000 203244.73+395420.9 Mag 9.91 PmRA 7.00 PmDE 1.0
Tycho2 3157-00760-1
Tycho2
Tycho2 3157-00760-1 Pflag RAmdeg 308.18640808 DEmdeg 39.90581140
PmRA 7.4 PmDE 0.4 E RAmdeg 16 E DEmdeg 15
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.31 EpDEm 1989.60
Num 5 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.8 BTmag 10.185 E BTmag 0.027 VTmag 9.912
E VTmag 0.027 Prox 509 TYC T HIP
CCDM RAdeg 308.18638528 DEdeg 39.90581167 EpRA 1990 1.72
EpDE 1990 1.65 E RAdeg 16.7 E DEdeg 16.0 Posflg
Corr -0.1
 
 
20328+3954 B
 
 
Coord arcsec 2000 203245.08+395511.5 Coord calc 203245.08+395511.5 Mag 11.56 PmRA -14.00
PmDE -40.0 Tycho2 3157-00300-1 Calc delta mag 1.65
Tycho2
Tycho2 3157-00300-1 Pflag RAmdeg 308.18786479 DEmdeg 39.91987291
PmRA -3.0 PmDE -10.2 E RAmdeg 54 E DEmdeg 55
E pmRA 1.8 E pmDE 1.8 EpRAm 1980.96 EpDEm 1979.40
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.6 BTmag 11.788 E BTmag 0.081 VTmag 11.559
E VTmag 0.107 Prox 509 TYC T HIP
CCDM RAdeg 308.18787306 DEdeg 39.91989611 EpRA 1990 1.74
EpDE 1990 1.64 E RAdeg 58.1 E DEdeg 59.3 Posflg
Corr 0.0
 
 
20328+3954 C
 
 
Coord arcsec 2000 203245.17+395514.0 Mag 12.3 PmRA 46.00 PmDE 83.0
Calc delta mag 2.39 Calc coord yes