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Doubles in session


Current system
20146+5349
ES 987


Nearby doubles
20' : 20124+5354
HDS2880

20' : 20152+5409
HO 455AB

24' : 20129+5408
TDT2092

29' : 20134+5416
STI2514

36' : 20157+5316
MMA 20

39' : 20126+5316
TDT2088

39' : 20140+5428
TDT2108

39' : 20153+5428
TDT2123

40' : 20153+5429
TDT2122

44' : 20136+5307
STF2658AB

44' : 20112+5422
STI2509

55' : 20205+5336
BU 663AB

55' : 20142+5445
A 1422

59' : 20157+5252
TDT2126

61' : 20087+5320
A 1417

61' : 20124+5447
TDT2082

71' : 20223+5338
BU 666

72' : 20143+5501
TDT2111

72' : 20103+5452
TDT2043

75' : 20116+5240
TDT2068

75' : 20222+5437
STI2521

76' : 20086+5444
STI2504

78' : 20071+5431
TDT1991

78' : 20228+5325
STF2681AB

80' : 20147+5509
TDT2115

81' : 20158+5230
STT 404AB



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.

20146+5349 ES 987

 
 
20h 14m 33.16s +53° 49' 51.0" P.A. 293.00 sep 7.9 mag 9.96,10.60 Sp F8
 
 
Coord 2000 20146+5349 Discov num ES  987 Comp Coord arcsec 2000 20 14 33.16 +53 49 51.0
Date first 1899 Date last 2021 Obs 15
Pa first 296 Pa last 292.6 P.A. Now (θ) 292.6°
Sep first 8.3 Sep last 7.88 Sep. Now (ρ) 7.88"
Mag pri 9.96 Mag sec 10.60 delta mag (ΔM) 0.64 Spectral class F8 (yellow-white)
Pri motion ra -005 Sec motion ra -008
Pri motion dec -005 Sec motion dec -005
Notes
rPM=0.318
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3937-00086-1 Gaia DR2 2184791559302915456
 
 
WDS 20146+5349 ES 987 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20146+5349 ES 987 2000 6 292 7.9 9.96 10.60 D 201433.16+534951.0
20146+5349 ES 987 2010 7 294 8.0 9.96 10.60 D 201433.16+534951.0
20146+5349 ES 987 2015 9 294 7.9 9.96 10.60 F8 201433.16+534951.0
20146+5349 ES 987 2018 10 294 7.9 9.96 10.60 F8 201433.16+534951.0
20146+5349 ES 987 2021 15 293 7.9 9.96 10.60 F8 201433.16+534951.0

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

 
 
WDS 20146+5349 ES 987 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20146+5349 ES 987 : MEASURES
 
 
No records found.

 
 
WDS 20146+5349 : VIRTUAL EYEPIECE
 
 

20146+5349 ES 987A mag 9.96 Sp F8 20146+5349 ES 987B sep 5.2 P.A. 305.20 mag 10.6 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 20146+5349 : ALADIN DSS IMAGE @ 20h 14m 33.16s +53° 49' 51.0"
 
 
 
 
WDS 20146+5349 ES 987 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20146+5349 ES 987 distance=1' 20124+5354 HDS2880 distance=20' 20152+5409 HO 455AB distance=20' 20152+5409 HO 455AD distance=20' 20152+5409 HO 455AE distance=20' 20152+5409 HO 455BC distance=21' 20152+5409 HO 455BE distance=21' 20129+5408 TDT2092 distance=24' 20134+5416 STI2514 distance=29' 20157+5316 MMA 20 distance=36' 20126+5316 TDT2088 distance=39' 20140+5428 TDT2108 distance=39' 20153+5428 TDT2123 distance=39' 20153+5429 TDT2122 distance=40' 20136+5307 STF2658AB distance=44' 20136+5307 STF2658AD distance=44' 20136+5307 STF2658AC distance=44' 20136+5307 STF2658BC distance=44' 20136+5307 STF2658BF distance=44' 20112+5422 STI2509 distance=44' 20205+5336 BU 663AB distance=55' 20205+5336 BU 663AC distance=55' 20205+5336 BU 663AD distance=55' 20142+5445 A 1422 distance=55' 20157+5252 TDT2126 distance=59' 20087+5320 A 1417 distance=61' 20124+5447 TDT2082 distance=61' 20223+5338 BU 666 distance=71' 20143+5501 TDT2111 distance=72' 20103+5452 TDT2043 distance=72' 20116+5240 TDT2068 distance=75' 20222+5437 STI2521 distance=75' 20086+5444 STI2504 distance=76' 20071+5431 TDT1991 distance=78' 20228+5325 STF2681AB distance=78' 20228+5325 STF2681AC distance=78' 20228+5325 STF2681AD distance=78' 20228+5325 STF2681CD distance=78' 20147+5509 TDT2115 distance=80' 20158+5230 STT 404AB distance=81' 20158+5230 WAL 130AC distance=81' 20158+5230 WAL 130AD distance=81' 20189+5503 KPP 932 distance=83' 20062+5310 ENG 70 distance=85' 20241+5358 MLR 608 distance=85' 20239+5420 HDS2914 distance=88' 20076+5247 TDT1999 distance=89' 20050+5426 MGN 1 distance=92' 20231+5504 OL 74 distance=94' 20100+5222 ES 986 distance=97' 20209+5511 TDT2197 distance=99' 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 20146+5349 ES 987 293 7.9 1
Show 20124+5354 HDS2880 274 0.1 20
Show 20152+5409 HO 455 AB 83 35.1 20
Show 20152+5409 HO 455 AD 263 31.4 20
Show 20152+5409 HO 455 AE 71 39.6 20
Show 20152+5409 HO 455 BC 176 4.0 21
Show 20152+5409 HO 455 BE 30 5.6 21
Show 20129+5408 TDT2092 230 0.6 24
Show 20134+5416 STI2514 203 7.9 29
Show 20157+5316 MMA 20 245 11.3 36
Show 20126+5316 TDT2088 57 0.4 39
Show 20140+5428 TDT2108 311 0.8 39
Show 20153+5428 TDT2123 328 2.0 39
Show 20153+5429 TDT2122 342 0.5 40
Show 20136+5307 STF2658 AB 106 5.2 44
Show 20136+5307 STF2658 AD 284 30.9 44
Show 20136+5307 STF2658 AC 206 65.1 44
Show 20136+5307 STF2658 BC 208 65.5 44
Show 20136+5307 STF2658 BF 157 17.7 44
Show 20112+5422 STI2509 257 7.8 44
Show 20205+5336 BU 663 AB 305 6.9 55
Show 20205+5336 BU 663 AC 69 6.5 55
Show 20205+5336 BU 663 AD 232 12.2 55
Show 20142+5445 A 1422 351 2.8 55
Show 20157+5252 TDT2126 48 0.6 59
Show 20087+5320 A 1417 173 0.6 61
Show 20124+5447 TDT2082 349 2.2 61
Show 20223+5338 BU 666 115 2.6 71
Show 20143+5501 TDT2111 154 2.0 72
Show 20103+5452 TDT2043 36 2.1 72
Show 20116+5240 TDT2068 207 0.6 75
Show 20222+5437 STI2521 123 7.1 75
Show 20086+5444 STI2504 64 11.3 76
Show 20071+5431 TDT1991 333 2.0 78
Show 20228+5325 STF2681 AB 39 6.8 78
Show 20228+5325 STF2681 AC 199 38.2 78
Show 20228+5325 STF2681 AD 166 42.0 78
Show 20228+5325 STF2681 CD 101 23.3 78
Show 20147+5509 TDT2115 265 2.2 80
Show 20158+5230 STT 404 AB 115 28.5 81
Show 20158+5230 WAL 130 AC 2 78.9 81
Show 20158+5230 WAL 130 AD 227 25.9 81
Show 20189+5503 KPP 932 255 7.7 83
Show 20062+5310 ENG 70 136 170.0 85
Show 20241+5358 MLR 608 278 1.9 85
Show 20239+5420 HDS2914 213 0.2 88
Show 20076+5247 TDT1999 120 4.6 89
Show 20050+5426 MGN 1 115 188.5 92
Show 20231+5504 OL 74 41 3.9 94
Show 20100+5222 ES 986 287 2.7 97
Show 20209+5511 TDT2197 241 2.0 99

 
 
WDS 20146+5349 : COMPONENTS
 
 
  A
B pa=305.2°
sep=5.25"
 
 
20146+5349 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201433.16+534951.0 Mag 9.96 Spectral class F8 (yellow-white)
PmRA -5.00 PmDE -5.0 Tycho2 3937-00086-1
Tycho2
Tycho2 3937-00086-1 Pflag RAmdeg 303.63818477 DEmdeg 53.83084278
PmRA -5.2 PmDE -5.1 E RAmdeg 21 E DEmdeg 21
E pmRA 1.7 E pmDE 1.6 EpRAm 1989.91 EpDEm 1989.86
Num 4 Q RAmdeg 0.3 Q DEmdeg 1.0 Q pmRA 0.3
Q pmDE 1.0 BTmag 11.080 E BTmag 0.047 VTmag 9.961
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 303.63820556 DEdeg 53.83085444 EpRA 1990 1.67
EpDE 1990 1.77 E RAdeg 20.5 E DEdeg 21.2 Posflg
Corr 0.0
 
 
20146+5349 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201432.68+534954.0 Mag 10.6 PmRA -8.00
PmDE -5.0 Calc delta mag 0.64 Calc coord yes