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Doubles in session


Current system
18466+3853
ES 2021 AB


Nearby doubles
16' : 18453+3856
COU1608

17' : 18480+3858
ES 2572

28' : 18452+3914
STF2392AB

32' : 18466+3821
HU 1191

36' : 18490+3914
COU1610

38' : 18452+3819
STF2393AB

41' : 18481+3929
COU1609

47' : 18433+3918
BLL 35

48' : 18496+3819
FYM 173

49' : 18496+3818
AG 226

51' : 18432+3822
HDS2651

51' : 18457+3942
BU 51AB

55' : 18443+3940
STF2382AB

55' : 18507+3920
HDS2672

59' : 18451+3756
ES 2020

64' : 18478+3954
GRV 240

65' : 18426+3937
HJ 1341

66' : 18465+3958
LDS4799

67' : 18483+3956
SLW1221

67' : 18463+3745
ES 2484

74' : 18523+3926
WEI 33

75' : 18453+4005
ROE 50AB

75' : 18483+3741
UC 3677

80' : 18448+3736
BU 968AB

82' : 18501+4002
HU 1192

82' : 18402+3822
HDS2644



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.

18466+3853 ES 2021 AB

 
 
18h 46m 37.25s +38° 52' 24.3" P.A. 254.00 sep 20.2 mag 11.26,12.20
 
 
Coord 2000 18466+3853 Discov num ES 2021 Comp AB Coord arcsec 2000 18 46 37.25 +38 52 24.3
Date first 1923 Date last 2015 Obs 7
Pa first 252 Pa last 254.3 P.A. Now (θ) 254.3°
Sep first 21.3 Sep last 20.228 Sep. Now (ρ) 20.228"
Mag pri 11.26 Mag sec 12.20 delta mag (ΔM) 0.94 Spectral class
Pri motion ra -004 Sec motion ra +013
Pri motion dec -010 Sec motion dec -009
Notes
rPM=1.077
This double is not physical.
 
 
18466+3853 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 46 37 +38 52 24 ES 2021 AB 2015 7 254 20.2 11.26 12.20 0.94 <===
Show 18 46 37 +38 52 24 ES 2021 AC 2015 3 261 23.1 11.26 13.40 2.14
Show 18 46 36 +38 52 18 ES 2021 BC 2015 5 298 3.8 12.20 13.40 1.20
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 3118-01777-1 Gaia DR2 2097370317487766144
 
 
WDS 18466+3853 ES 2021 AB : 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
18466+3853 ES 2021 AB 2007 4 254 20.5 11.26 12.20 D 184637.25+385224.1
18466+3853 ES 2021 AB 2013 6 255 20.4 11.26 12.20 184637.25+385224.1
18466+3853 ES 2021 AB 2015 7 254 20.2 11.26 12.20 184637.25+385224.3

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

 
 
WDS 18466+3853 ES 2021 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18466+3853 ES 2021 AB : MEASURES
 
 
No records found.

 
 
WDS 18466+3853 : VIRTUAL EYEPIECE
 
 

18466+3853 ES 2021A mag 11.26 18466+3853 ES 2021B sep 20.6 P.A. 253.60 mag 12.2 18466+3853 ES 2021C sep 18.2 P.A. 258.10 mag 13.4 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 18466+3853 : ALADIN DSS IMAGE @ 18h 46m 37.25s +38° 52' 24.3"
 
 
 
 
WDS 18466+3853 ES 2021 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18466+3853 ES 2021AB distance=0' 18466+3853 ES 2021BC distance=1' 18453+3856 COU1608 distance=16' 18480+3858 ES 2572 distance=17' 18452+3914 STF2392AB distance=28' 18452+3914 STF2392AC distance=28' 18452+3914 STF2392BC distance=28' 18466+3821 HU 1191 distance=32' 18490+3914 COU1610 distance=36' 18452+3819 STF2393BC distance=38' 18452+3819 STF2393AB distance=38' 18452+3819 STF2393AC distance=38' 18481+3929 COU1609 distance=41' 18433+3918 BLL 35 distance=47' 18496+3819 FYM 173 distance=48' 18496+3818 AG 226 distance=49' 18457+3942 FYM 51BD distance=50' 18457+3942 BU 51BC distance=50' 18432+3822 HDS2651 distance=51' 18457+3942 BU 51AB distance=51' 18443+3940 STFA 37DI distance=52' 18443+3940 CHR 77Ca,Cb distance=52' 18443+3940 SHJ 277CD,F distance=52' 18443+3940 SHJ 277CD,G distance=52' 18443+3940 SHJ 277CD,H distance=52' 18443+3940 STF2383CD distance=52' 18443+3940 STF2383CE distance=52' 18443+3940 STFA 37CI distance=52' 18443+3940 SHJ 277GH distance=53' 18443+3940 SHJ 277EF distance=53' 18443+3940 SHJ 277EG distance=53' 18443+3940 STFA 37EI distance=53' 18443+3940 STF2382AB distance=55' 18443+3940 STFA 37AB,CD (Double Double) distance=55' 18443+3940 STFA 37AD distance=55' 18443+3940 STFA 37AI distance=55' 18443+3940 STFA 37BC distance=55' 18443+3940 STFA 37BD distance=55' 18443+3940 STFA 37BI distance=55' 18507+3920 HDS2672 distance=55' 18451+3756 ES 2020 distance=59' 18478+3954 GRV 240 distance=64' 18426+3937 HJ 1341 distance=65' 18465+3958 LDS4799 distance=66' 18483+3956 SLW1221 distance=67' 18463+3745 ES 2484 distance=67' 18523+3926 WEI 33 distance=74' 18453+4005 ROE 50CF distance=74' 18453+4005 ROE 50AB distance=75' 18453+4005 ROE 50AC distance=75' 18453+4005 ROE 50AD distance=75' 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 18466+3853 ES 2021 AB 254 20.2
Show 18466+3853 ES 2021 AC 261 23.1
Show 18466+3853 ES 2021 BC 298 3.8 1
Show 18453+3856 COU1608 230 1.1 16
Show 18480+3858 ES 2572 66 6.3 17
Show 18452+3914 STF2392 AB 314 2.8 28
Show 18452+3914 STF2392 AC 173 23.8 28
Show 18452+3914 STF2392 BC 169 26.2 28
Show 18466+3821 HU 1191 338 0.2 32
Show 18490+3914 COU1610 145 0.4 36
Show 18452+3819 STF2393 BC 296 182.8 38
Show 18452+3819 STF2393 AB 24 18.2 38
Show 18452+3819 STF2393 AC 302 184.5 38
Show 18481+3929 COU1609 202 0.8 41
Show 18433+3918 BLL 35 192 60.8 47
Show 18496+3819 FYM 173 166 19.3 48
Show 18496+3818 AG 226 54 26.0 49
Show 18457+3942 FYM 51 BD 344 34.6 50
Show 18457+3942 BU 51 BC 297 6.0 50
Show 18432+3822 HDS2651 52 0.5 51
Show 18457+3942 BU 51 AB 185 74.2 51
Show 18443+3940 STFA 37 DI 37 121.6 52
Show 18443+3940 CHR 77 Ca,Cb 225 0.1 52
Show 18443+3940 SHJ 277 CD,F 93.3 52
Show 18443+3940 SHJ 277 CD,G 293 75.1 52
Show 18443+3940 SHJ 277 CD,H 313 95.7 52
Show 18443+3940 STF2383 CD 75 2.3 52
Show 18443+3940 STF2383 CE 334 63.2 52
Show 18443+3940 STFA 37 CI 37 120.4 52
Show 18443+3940 SHJ 277 GH 358 35.8 53
Show 18443+3940 SHJ 277 EF 37 45.4 53
Show 18443+3940 SHJ 277 EG 236 50.0 53
Show 18443+3940 STFA 37 EI 68 108.9 53
Show 18443+3940 STF2382 AB 345 2.2 55
Show Double Double 18443+3940 STFA 37 AB,CD 172 209.4 55
Show 18443+3940 STFA 37 AD 172 208.2 55
Show 18443+3940 STFA 37 AI 137 150.4 55
Show 18443+3940 STFA 37 BC 172 210.9 55
Show 18443+3940 STFA 37 BD 171 212.5 55
Show 18443+3940 STFA 37 BI 137 151.3 55
Show 18507+3920 HDS2672 19 0.1 55
Show 18451+3756 ES 2020 343 3.2 59
Show 18478+3954 GRV 240 43 15.6 64
Show 18426+3937 HJ 1341 285 8.8 65
Show 18465+3958 LDS4799 70 10.3 66
Show 18483+3956 SLW1221 63 49.1 67
Show 18463+3745 ES 2484 153 6.8 67
Show 18523+3926 WEI 33 330 100.0 74
Show 18453+4005 ROE 50 CF 99 9.9 74
Show 18453+4005 ROE 50 AB 282 4.7 75
Show 18453+4005 ROE 50 AC 120 26.2 75

 
 
WDS 18466+3853 : COMPONENTS
 
 
  A B
B pa=253.6°
sep=20.57"
 
C pa=258.1°
sep=18.17"
pa=43.6°
sep=2.84"
 
 
18466+3853 A
 
 
Coord arcsec 2000 184637.25+385224.3 Mag 11.26 PmRA -4.00 PmDE -10.0
Tycho2 3118-01777-1
Tycho2
Tycho2 3118-01777-1 Pflag RAmdeg 281.65523397 DEmdeg 38.87336410
PmRA 0.9 PmDE -20.1 E RAmdeg 50 E DEmdeg 53
E pmRA 3.7 E pmDE 3.4 EpRAm 1988.08 EpDEm 1987.12
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 11.687 E BTmag 0.079 VTmag 11.257
E VTmag 0.089 Prox 999 TYC T HIP
CCDM RAdeg 281.65523139 DEdeg 38.87341083 EpRA 1990 1.48
EpDE 1990 1.64 E RAdeg 52.1 E DEdeg 54.5 Posflg
Corr 0.1
 
 
18466+3853 B
 
 
Coord arcsec 2000 184635.56+385218.5 Coord calc 184635.56+385218.5 Mag 12.2 PmRA 13.00
PmDE -9.0 Calc delta mag 0.94
 
 
18466+3853 C
 
 
Coord arcsec 2000 184635.73+385220.6 Mag 13.4 Calc delta mag 2.14 Calc coord yes