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Doubles in session


Current system
20540+3124
ES 371


Nearby doubles
14' : 20534+3113
TDT2609

16' : 20536+3138
HDS2976

19' : 20528+3132
TDT2599

19' : 20530+3136
TDT2602

20' : 20538+3104
CLL 16

26' : 20554+3059
J 2329

28' : 20535+3057
STTA212

29' : 20554+3147
TDT2630

30' : 20529+3149
A 1213

33' : 20535+3156
GYL 41

34' : 20529+3154
GYL 40

39' : 20547+3046
LDS2934

39' : 20515+3104
NSN 737AB

45' : 20562+3158
ES 372

48' : 20525+3040
TDT2594

48' : 20567+3047
LDS2935

52' : 20559+3206
STT 421AB

52' : 20523+3038
LDS6417

53' : 20553+3214
GYL 42

54' : 20506+3055
BU 67AB

54' : 20554+3033
GRV 396

56' : 20503+3151
TDT2570

56' : 20538+3029
J 3117

57' : 20540+3220
TDT2615

58' : 20534+3220
ES 2380

59' : 20555+3028
TDT2633



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20540+3124 ES 371

 
 
20h 54m 04.78s +31° 23' 22.1" P.A. 134.00 sep 3.5 mag 10.16,11.20
 
 
Coord 2000 20540+3124 Discov num ES  371 Comp Coord arcsec 2000 20 54 04.78 +31 23 22.1
Date first 1906 Date last 2018 Obs 11
Pa first 133 Pa last 133.6 P.A. Now (θ) 133.6°
Sep first 3.1 Sep last 3.477 Sep. Now (ρ) 3.477"
Mag pri 10.16 Mag sec 11.20 delta mag (ΔM) 1.04 Spectral class
Pri motion ra +018 Sec motion ra +019
Pri motion dec -003 Sec motion dec -001
Notes T (Parallax indicates physical)
rPM=0.118 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2688-01303-1 Gaia DR2 1859611510789701888
 
 
WDS 20540+3124 ES 371 : NOTES
 
 
No records found.

 
 
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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20540+3124 ES 371 2001 6 135 3.4 10.16 11.20 205404.78+312322.1
20540+3124 ES 371 2002 7 134 3.4 10.16 11.20 205404.78+312322.1
20540+3124 ES 371 2015 8 134 3.4 10.16 11.20 205404.78+312322.1
20540+3124 ES 371 2018 9 134 3.5 10.16 11.20 205404.78+312322.1

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

 
 
WDS 20540+3124 ES 371 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20540+3124 ES 371 : MEASURES
 
 
No records found.

 
 
WDS 20540+3124 : VIRTUAL EYEPIECE
 
 

20540+3124 ES 371A mag 10.16 20540+3124 ES 371B sep 3.2 P.A. 138.10 mag 11.2 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20540+3124 : ALADIN DSS IMAGE @ 20h 54m 04.78s +31° 23' 22.1"
 
 
 
 
WDS 20540+3124 ES 371 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20540+3124 ES 371 distance=1' 20534+3113 TDT2609 distance=14' 20536+3138 HDS2976 distance=16' 20528+3132 TDT2599 distance=19' 20530+3136 TDT2602 distance=19' 20538+3104 CLL 16 distance=20' 20554+3059 J 2329 distance=26' 20535+3057 STTA212 distance=28' 20554+3147 TDT2630 distance=29' 20529+3149 A 1213 distance=30' 20535+3156 GYL 41 distance=33' 20529+3154 GYL 40 distance=34' 20547+3046 LDS2934 distance=39' 20515+3104 NSN 737AB distance=39' 20515+3104 RAO 676AC distance=39' 20562+3158 ES 372 distance=45' 20525+3040 TDT2594 distance=48' 20567+3047 LDS2935 distance=48' 20559+3206 STT 421AB distance=52' 20559+3206 HU 1655AC distance=52' 20559+3206 FYM 140AD distance=52' 20523+3038 LDS6417 distance=52' 20553+3214 GYL 42 distance=53' 20506+3055 BU 67AB distance=54' 20506+3055 GII 293Aa,Ab distance=54' 20554+3033 GRV 396 distance=54' 20503+3151 TDT2570 distance=56' 20538+3029 J 3117 distance=56' 20540+3220 TDT2615 distance=57' 20534+3220 ES 2380 distance=58' 20555+3028 TDT2633 distance=59' 20531+3221 ES 2379 distance=60' 20578+3202 ES 2438 distance=61' 20493+3113 TDS1101 distance=62' 20492+3111 LDS2930 distance=64' 20573+3215 KPP1292 distance=67' 20567+3027 TDT2650 distance=67' 20577+3211 ES 2381 distance=67' 20491+3148 ES 370 distance=69' 20487+3124 TDT2555 distance=69' 20598+3126 GYL 44 distance=74' 20506+3024 STT 415 distance=74' 20593+3155 COU1178 distance=74' 20588+3209 TDT2671 distance=76' 20571+3230 TDT2654 distance=77' 20487+3159 ES 369 distance=78' 20593+3043 TDT2677 distance=79' 20548+3242 STT 418 distance=80' 21003+3134 KPP1379 distance=80' 20484+3049 TDT2552 distance=81' 20493+3217 LDS2931AB distance=82' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20540+3124 ES 371 134 3.5 1
Show 20534+3113 TDT2609 11 0.5 14
Show 20536+3138 HDS2976 248 0.3 16
Show 20528+3132 TDT2599 325 1.7 19
Show 20530+3136 TDT2602 64 0.6 19
Show 20538+3104 CLL 16 184 32.0 20
Show 20554+3059 J 2329 11 6.5 26
Show 20535+3057 STTA212 155 65.7 28
Show 20554+3147 TDT2630 86 1.9 29
Show 20529+3149 A 1213 178 3.3 30
Show 20535+3156 GYL 41 203 34.2 33
Show 20529+3154 GYL 40 22 23.0 34
Show 20547+3046 LDS2934 178 10.8 39
Show 20515+3104 NSN 737 AB 134 1.4 39
Show 20515+3104 RAO 676 AC 22 4.5 39
Show 20562+3158 ES 372 146 3.5 45
Show 20525+3040 TDT2594 160 0.8 48
Show 20567+3047 LDS2935 200 10.1 48
Show 20559+3206 STT 421 AB 194 34.8 52
Show 20559+3206 HU 1655 AC 73 30.6 52
Show 20559+3206 FYM 140 AD 162 29.5 52
Show 20523+3038 LDS6417 295 228.9 52
Show 20553+3214 GYL 42 26 15.1 53
Show 20506+3055 BU 67 AB 311 1.5 54
Show 20506+3055 GII 293 Aa,Ab 137 0.1 54
Show 20554+3033 GRV 396 349 67.4 54
Show 20503+3151 TDT2570 262 3.2 56
Show 20538+3029 J 3117 40 5.5 56
Show 20540+3220 TDT2615 281 0.4 57
Show 20534+3220 ES 2380 333 5.5 58
Show 20555+3028 TDT2633 116 1.4 59
Show 20531+3221 ES 2379 115 7.0 60
Show 20578+3202 ES 2438 311 6.8 61
Show 20493+3113 TDS1101 231 1.2 62
Show 20492+3111 LDS2930 273 22.2 64
Show 20573+3215 KPP1292 28 9.9 67
Show 20567+3027 TDT2650 310 0.6 67
Show 20577+3211 ES 2381 107 4.1 67
Show 20491+3148 ES 370 44 7.7 69
Show 20487+3124 TDT2555 188 0.9 69
Show 20598+3126 GYL 44 2 51.2 74
Show 20506+3024 STT 415 234 3.7 74
Show 20593+3155 COU1178 16 1.2 74
Show 20588+3209 TDT2671 302 0.5 76
Show 20571+3230 TDT2654 205 0.5 77
Show 20487+3159 ES 369 316 7.1 78
Show 20593+3043 TDT2677 133 0.8 79
Show 20548+3242 STT 418 283 0.9 80
Show 21003+3134 KPP1379 160 10.3 80
Show 20484+3049 TDT2552 124 2.3 81
Show 20493+3217 LDS2931 AB 246 34.4 82

 
 
WDS 20540+3124 : COMPONENTS
 
 
  A
B pa=138.1°
sep=3.22"
 
 
20540+3124 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205404.78+312322.1 Mag 10.16 PmRA 18.00
PmDE -3.0 Tycho2 2688-01303-1
Tycho2
Tycho2 2688-01303-1 Pflag RAmdeg 313.51990088 DEmdeg 31.38946887
PmRA 4.0 PmDE 6.4 E RAmdeg 20 E DEmdeg 17
E pmRA 1.5 E pmDE 1.5 EpRAm 1989.32 EpDEm 1990.11
Num 5 Q RAmdeg 1.9 Q DEmdeg 2.6 Q pmRA 1.8
Q pmDE 2.6 BTmag 10.707 E BTmag 0.033 VTmag 10.164
E VTmag 0.028 Prox 36 TYC T HIP
CCDM RAdeg 313.51989000 DEdeg 31.38945444 EpRA 1990 1.45
EpDE 1990 1.64 E RAdeg 19.8 E DEdeg 17.3 Posflg
Corr 0.0
 
 
20540+3124 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205404.95+312319.7 Mag 11.2 PmRA 19.00
PmDE -1.0 Calc delta mag 1.04 Calc coord yes