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Doubles in session


Current system
21144+4219
ES 1581


Nearby doubles
9' : 21142+4211
COU2226

12' : 21151+4227
COU2228

12' : 21138+4228
LDS2497

16' : 21133+4208
LDS2496

20' : 21155+4205
TDT2861

20' : 21161+4224
ES 1582

22' : 21155+4202
HJL1106

34' : 21171+4206
TDT2883

34' : 21115+4233
COU2225

36' : 21119+4158
LDS2493

37' : 21147+4143
POP1231

39' : 21151+4257
COU2300

48' : 21157+4135
POP 170

49' : 21118+4259
STJ 91

49' : 21169+4140
POP 186AB

50' : 21108+4249
VKI 40

50' : 21183+4244
HJ 1634

53' : 21097+4230
GRV 428

56' : 21163+4129
ES 1688

56' : 21104+4253
BRT1144AB

56' : 21144+4124
LDS2499

57' : 21160+4313
LDS2503

57' : 21178+4302
A 616

59' : 21121+4123
LDS2494

59' : 21183+4140
COU2302AB

60' : 21105+4300
VKI 39



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.

21144+4219 ES 1581

 
 
21h 14m 22.31s +42° 19' 18.4" P.A. 50.00 sep 4.6 mag 11.64,11.80
 
 
Coord 2000 21144+4219 Discov num ES 1581 Comp Coord arcsec 2000 21 14 22.31 +42 19 18.4
Date first 1895 Date last 2015 Obs 7
Pa first 47 Pa last 49.5 P.A. Now (θ) 49.5°
Sep first 4.6 Sep last 4.649 Sep. Now (ρ) 4.649"
Mag pri 11.64 Mag sec 11.80 delta mag (ΔM) 0.16 Spectral class
Pri motion ra -012 Sec motion ra +071
Pri motion dec -010 Sec motion dec +037
Notes
rPM=1.191
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3177-02548-1 Gaia DR2 1969050369866374144
 
 
WDS 21144+4219 ES 1581 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21144+4219 ES 1581 2003 4 49 4.7 11.64 11.80 D 211422.31+421918.4
21144+4219 ES 1581 2010 6 50 4.6 11.64 11.80 211422.31+421918.4
21144+4219 ES 1581 2015 7 50 4.6 11.64 11.80 211422.31+421918.4

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

 
 
WDS 21144+4219 ES 1581 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21144+4219 ES 1581 : MEASURES
 
 
No records found.

 
 
WDS 21144+4219 : VIRTUAL EYEPIECE
 
 

21144+4219 ES 1581A mag 11.64 21144+4219 ES 1581B sep 4.0 P.A. 40.90 mag 11.8 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 21144+4219 : ALADIN DSS IMAGE @ 21h 14m 22.31s +42° 19' 18.4"
 
 
 
 
WDS 21144+4219 ES 1581 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21144+4219 ES 1581 distance=0' 21142+4211 COU2226 distance=9' 21151+4227 COU2228 distance=12' 21138+4228 LDS2497 distance=12' 21133+4208 LDS2496 distance=16' 21155+4205 TDT2861 distance=20' 21161+4224 ES 1582 distance=20' 21155+4202 HJL1106 distance=22' 21171+4206 TDT2883 distance=34' 21115+4233 COU2225 distance=34' 21119+4158 LDS2493 distance=36' 21147+4143 POP1231 distance=37' 21151+4257 COU2300 distance=39' 21157+4135 POP 170 distance=48' 21118+4259 STJ 91 distance=49' 21169+4140 POP 186AB distance=49' 21169+4140 POP 186AC distance=49' 21108+4249 VKI 40 distance=50' 21169+4140 POP 186CD distance=50' 21183+4244 HJ 1634 distance=50' 21097+4230 GRV 428 distance=53' 21163+4129 ES 1688 distance=56' 21104+4253 BRT1144BC distance=56' 21104+4253 BRT1144AB distance=56' 21104+4253 BRT1144AC distance=56' 21144+4124 LDS2499 distance=56' 21160+4313 LDS2503 distance=57' 21178+4302 A 616 distance=57' 21121+4123 LDS2494 distance=59' 21183+4140 COU2302AB distance=59' 21183+4140 GII 30AB,C distance=59' 21105+4300 VKI 39 distance=60' 21197+4228 ES 1583BC distance=60' 21197+4228 ES 1583AB distance=60' 21197+4228 ABH 144AD distance=60' 21197+4228 ABH 144AE distance=60' 21197+4228 ABH 144AF distance=60' 21197+4228 ABH 144AG distance=60' 21197+4228 ABH 144AH distance=60' 21197+4228 ABH 144AI distance=60' 21197+4228 ABH 144AJ distance=60' 21197+4228 ABH 144AK distance=60' 21197+4228 ES 1583AC distance=60' 21171+4312 A 401 distance=61' 21092+4152 LDS2491 distance=61' 21099+4257 LDS2492 distance=63' 21202+4207 ES 1584 distance=64' 21195+4253 FOX 259AB distance=66' 21154+4325 LDS2502 distance=67' 21158+4326 TDT2867 distance=69' 21206+4219 WSI 16 distance=69' 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 21144+4219 ES 1581 50 4.6
Show 21142+4211 COU2226 120 0.3 9
Show 21151+4227 COU2228 28 0.5 12
Show 21138+4228 LDS2497 110 36.7 12
Show 21133+4208 LDS2496 274 45.8 16
Show 21155+4205 TDT2861 287 2.4 20
Show 21161+4224 ES 1582 134 3.5 20
Show 21155+4202 HJL1106 183 459.8 22
Show 21171+4206 TDT2883 112 0.9 34
Show 21115+4233 COU2225 82 2.1 34
Show 21119+4158 LDS2493 77 60.2 36
Show 21147+4143 POP1231 269 54.6 37
Show 21151+4257 COU2300 263 0.3 39
Show 21157+4135 POP 170 75 1.4 48
Show 21118+4259 STJ 91 271 1.0 49
Show 21169+4140 POP 186 AB 297 10.7 49
Show 21169+4140 POP 186 AC 130 60.7 49
Show 21108+4249 VKI 40 255 3.8 50
Show 21169+4140 POP 186 CD 93 4.2 50
Show 21183+4244 HJ 1634 143 28.9 50
Show 21097+4230 GRV 428 142 40.9 53
Show 21163+4129 ES 1688 147 5.3 56
Show 21104+4253 BRT1144 BC 309 3.3 56
Show 21104+4253 BRT1144 AB 19 2.9 56
Show 21104+4253 BRT1144 AC 341 5.1 56
Show 21144+4124 LDS2499 320 6.2 56
Show 21160+4313 LDS2503 131 4.0 57
Show 21178+4302 A 616 316 2.7 57
Show 21121+4123 LDS2494 212 2.0 59
Show 21183+4140 COU2302 AB 63 1.3 59
Show 21183+4140 GII 30 AB,C 187 14.1 59
Show 21105+4300 VKI 39 236 1.3 60
Show 21197+4228 ES 1583 BC 77 6.0 60
Show 21197+4228 ES 1583 AB 238 13.0 60
Show 21197+4228 ABH 144 AD 112 64.4 60
Show 21197+4228 ABH 144 AE 219 27.2 60
Show 21197+4228 ABH 144 AF 245 62.8 60
Show 21197+4228 ABH 144 AG 238 82.9 60
Show 21197+4228 ABH 144 AH 22 41.7 60
Show 21197+4228 ABH 144 AI 117 69.6 60
Show 21197+4228 ABH 144 AJ 112 81.2 60
Show 21197+4228 ABH 144 AK 98 101.4 60
Show 21197+4228 ES 1583 AC 223 7.6 60
Show 21171+4312 A 401 318 0.4 61
Show 21092+4152 LDS2491 184 17.0 61
Show 21099+4257 LDS2492 135 21.5 63
Show 21202+4207 ES 1584 116 5.4 64
Show 21195+4253 FOX 259 AB 307 12.5 66
Show 21154+4325 LDS2502 172 67.0 67
Show 21158+4326 TDT2867 305 0.6 69
Show 21206+4219 WSI 16 149 8.2 69

 
 
WDS 21144+4219 : COMPONENTS
 
 
  A
B pa=40.9°
sep=3.99"
 
 
21144+4219 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211422.31+421918.4 Mag 11.64 PmRA -12.00
PmDE -10.0 Tycho2 3177-02548-1
Tycho2
Tycho2 3177-02548-1 Pflag RAmdeg 318.59294968 DEmdeg 42.32179956
PmRA -13.9 PmDE -11.3 E RAmdeg 71 E DEmdeg 64
E pmRA 2.0 E pmDE 1.8 EpRAm 1976.34 EpDEm 1977.11
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 1.0 BTmag 12.362 E BTmag 0.156 VTmag 11.640
E VTmag 0.114 Prox 999 TYC T HIP
CCDM RAdeg 318.59299389 DEdeg 42.32182583 EpRA 1990 1.52
EpDE 1990 1.64 E RAdeg 76.5 E DEdeg 69.0 Posflg
Corr 0.0
CCDM
Ccdm 21144+4219 RComp Comp A Note1
Note2 Discov num DRAs -1.52 DDEs 20.4
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number +41 4047 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A14779 M ADS BDS N IDS IDS 21106N4154A
HIC
 
 
21144+4219 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211422.55+421921.4 Mag 11.8 PmRA 71.00
PmDE 37.0 Calc delta mag 0.16 Calc coord yes
CCDM
Ccdm 21144+4219 RComp Comp B Note1
Note2 Discov num ES 1581 DRAs DDEs
R dRAs Year 1916 Theta 049 Rho 4.7
Obs 1 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14779 M ADS BDS N IDS IDS 21106N4154B
HIC