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Doubles in session


Current system
20221+4042
ES 1676


Nearby doubles
12' : 20210+4041
TDT2199

13' : 20231+4047
J 787AB

13' : 20232+4046
ES 1677

13' : 20231+4048
GRF 15

14' : 20231+4037
TDT2228

16' : 20232+4052
CIA 46

20' : 20207+4031
TDT2193

29' : 20204+4021
TDT2186

35' : 20251+4042
TDT2253

37' : 20197+4108
STTA205

43' : 20205+4127
LI 4

44' : 20184+4033
ARN 49

44' : 20205+4122
LI 5AB

46' : 20215+4127
TDT2203

46' : 20181+4044
STF2666AB

46' : 20248+4009
HO 278

47' : 20212+4128
A 287

48' : 20244+4002
MLB 21

48' : 20254+4014
MLR 1

49' : 20203+3958
BRT2260

49' : 20187+4113
COU2640

50' : 20259+4019
ALI1142

50' : 20199+4000
MLB1015

51' : 20264+4029
MLB1087

51' : 20177+4030
HDS2897

53' : 20198+3958
MLB1014



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.

20221+4042 ES 1676

 
 
20h 22m 04.55s +40° 42' 48.7" P.A. 285.00 sep 2.4 mag 11.19,11.60
 
 
Coord 2000 20221+4042 Discov num ES 1676 Comp Coord arcsec 2000 20 22 04.55 +40 42 48.7
Date first 1917 Date last 2015 Obs 4
Pa first 286 Pa last 285.4 P.A. Now (θ) 285.4°
Sep first 2.2 Sep last 2.431 Sep. Now (ρ) 2.431"
Mag pri 11.19 Mag sec 11.60 delta mag (ΔM) 0.41 Spectral class
Pri motion ra +001 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3156-00638-1 Gaia DR2 2068314210894274176
 
 
WDS 20221+4042 ES 1676 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20221+4042 ES 1676 1998 3 286 2.4 11.19 11.60 202204.55+404248.7
20221+4042 ES 1676 2015 4 285 2.4 11.19 11.60 202204.55+404248.7

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

 
 
WDS 20221+4042 ES 1676 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20221+4042 ES 1676 : MEASURES
 
 
No records found.

 
 
WDS 20221+4042 : VIRTUAL EYEPIECE
 
 

20221+4042 ES 1676A mag 11.19 20221+4042 ES 1676B sep 1.9 P.A. 290.00 mag 11.6 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 20221+4042 : ALADIN DSS IMAGE @ 20h 22m 04.55s +40° 42' 48.7"
 
 
 
 
WDS 20221+4042 ES 1676 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20221+4042 ES 1676 distance=1' 20210+4041 TDT2199 distance=12' 20231+4047 J 787AB distance=13' 20231+4047 J 787AC distance=13' 20231+4047 J 787AD distance=13' 20231+4047 J 787CD distance=13' 20232+4046 ES 1677 distance=13' 20231+4048 GRF 15 distance=13' 20231+4037 TDT2228 distance=14' 20232+4052 CIA 46 distance=16' 20207+4031 TDT2193 distance=20' 20222+4015 BU 665A,BC (Sadr) distance=28' 20204+4021 TDT2186 distance=29' 20222+4015 BU 665BC,D distance=30' 20222+4015 BU 665BC distance=30' 20251+4042 TDT2253 distance=35' 20197+4108 STTA205 distance=37' 20205+4127 LI 4 distance=43' 20184+4033 ARN 49 distance=44' 20205+4122 LI 5AB distance=44' 20205+4122 FAB 15AC distance=44' 20215+4127 TDT2203 distance=46' 20181+4044 CHR 96Aa,Ab distance=46' 20181+4044 STF2666AB distance=46' 20181+4044 STF2666AC distance=46' 20181+4044 TAR 5AD distance=46' 20181+4044 STF2666CD distance=46' 20248+4009 HO 278 distance=46' 20212+4128 A 287 distance=47' 20244+4002 MLB 21 distance=48' 20254+4014 MLR 1 distance=48' 20203+3958 BRT2260 distance=49' 20187+4113 COU2640 distance=49' 20259+4019 ALI1142 distance=50' 20199+4000 MLB1015 distance=50' 20264+4029 MLB1087 distance=51' 20177+4030 HDS2897 distance=51' 20198+3958 MLB1014 distance=53' 20215+3950 SEI1103 distance=54' 20253+4003 MLB 22 distance=54' 20255+4006 D 22AB distance=54' 20255+4006 D 22AC distance=54' 20255+4006 POP 224AD distance=54' 20176+4020 BRT2259 distance=58' 20257+4004 TOR 25AB distance=58' 20257+4004 POP 199AC distance=58' 20185+4123 TDT2154 distance=58' 20254+4129 COU2642 distance=60' 20181+4122 ES 1674 distance=61' 20169+4022 BU 661AB distance=63' 20169+4022 BU 661AC distance=63' 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 20221+4042 ES 1676 285 2.4 1
Show 20210+4041 TDT2199 122 0.8 12
Show 20231+4047 J 787 AB 165 2.6 13
Show 20231+4047 J 787 AC 112 9.5 13
Show 20231+4047 J 787 AD 293 15.8 13
Show 20231+4047 J 787 CD 292 25.3 13
Show 20232+4046 ES 1677 270 7.4 13
Show 20231+4048 GRF 15 139 199.3 13
Show 20231+4037 TDT2228 242 0.4 14
Show 20232+4052 CIA 46 14 0.0 16
Show 20207+4031 TDT2193 288 1.2 20
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 28
Show 20204+4021 TDT2186 349 0.5 29
Show 20222+4015 BU 665 BC,D 131 41.0 30
Show 20222+4015 BU 665 BC 302 1.9 30
Show 20251+4042 TDT2253 239 2.4 35
Show 20197+4108 STTA205 321 45.5 37
Show 20205+4127 LI 4 333 8.9 43
Show 20184+4033 ARN 49 313 30.2 44
Show 20205+4122 LI 5 AB 145 8.8 44
Show 20205+4122 FAB 15 AC 203 19.5 44
Show 20215+4127 TDT2203 225 0.7 46
Show 20181+4044 CHR 96 Aa,Ab 151 0.1 46
Show 20181+4044 STF2666 AB 245 2.8 46
Show 20181+4044 STF2666 AC 207 34.0 46
Show 20181+4044 TAR 5 AD 181 49.6 46
Show 20181+4044 STF2666 CD 142 24.1 46
Show 20248+4009 HO 278 70 0.1 46
Show 20212+4128 A 287 132 1.5 47
Show 20244+4002 MLB 21 15 8.8 48
Show 20254+4014 MLR 1 213 0.4 48
Show 20203+3958 BRT2260 9 3.2 49
Show 20187+4113 COU2640 265 0.5 49
Show 20259+4019 ALI1142 56 12.1 50
Show 20199+4000 MLB1015 89 4.0 50
Show 20264+4029 MLB1087 98 9.5 51
Show 20177+4030 HDS2897 273 0.3 51
Show 20198+3958 MLB1014 241 7.6 53
Show 20215+3950 SEI1103 223 17.0 54
Show 20253+4003 MLB 22 227 6.2 54
Show 20255+4006 D 22 AB 163 2.9 54
Show 20255+4006 D 22 AC 114 18.1 54
Show 20255+4006 POP 224 AD 98 71.2 54
Show 20176+4020 BRT2259 29 1.4 58
Show 20257+4004 TOR 25 AB 191 4.7 58
Show 20257+4004 POP 199 AC 245 59.6 58
Show 20185+4123 TDT2154 311 0.5 58
Show 20254+4129 COU2642 321 0.7 60
Show 20181+4122 ES 1674 125 4.9 61
Show 20169+4022 BU 661 AB 69 12.3 63
Show 20169+4022 BU 661 AC 217 111.7 63

 
 
WDS 20221+4042 : COMPONENTS
 
 
  A
B pa=290.0°
sep=1.89"
 
 
20221+4042 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202204.55+404248.7 Mag 11.19 PmRA 1.00
PmDE -7.0 Tycho2 3156-00638-1
Tycho2
Tycho2 3156-00638-1 Pflag RAmdeg 305.51901479 DEmdeg 40.71353729
PmRA 1.4 PmDE -7.0 E RAmdeg 73 E DEmdeg 69
E pmRA 1.9 E pmDE 1.8 EpRAm 1972.92 EpDEm 1972.49
Num 3 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 0.9 BTmag 12.007 E BTmag 0.115 VTmag 11.191
E VTmag 0.085 Prox 999 TYC T HIP
CCDM RAdeg 305.51901028 DEdeg 40.71355333 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 81.1 E DEdeg 76.7 Posflg
Corr 0.0
 
 
20221+4042 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202204.39+404249.3 Mag 11.6 Calc delta mag 0.41
Calc coord yes