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Doubles in session


Current system
18177+3455
ES 2231


Nearby doubles
9' : 18171+3453
COU 12

15' : 18165+3451
DAM 105

36' : 18154+3433
SEI 562

53' : 18175+3403
SEI 563

65' : 18207+3547
COU1148

65' : 18208+3547
DAM 107

67' : 18227+3522
ES 2172

68' : 18222+3417
TDT 818

69' : 18121+3459
TDT 734

72' : 18234+3449
ES 2232

78' : 18238+3439
TDT 831

78' : 18114+3506
ALI 140

78' : 18144+3602
HU 1188

81' : 18119+3417
SEI 561

82' : 18200+3611
ALI 376

83' : 18195+3336
COU1010

84' : 18157+3615
KPP4096

87' : 18118+3406
DAM 630

89' : 18167+3623
COU1304

92' : 18163+3625
HU 1291

94' : 18111+3544
JNN 116

95' : 18236+3356
COU1011

96' : 18111+3403
SEI 560

100' : 18226+3337
FOX 227

100' : 18121+3559
ES 2171

103' : 18176+3637
HTP 5AB
Chason



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.

18177+3455 ES 2231

 
 
18h 17m 39.36s +34° 55' 06.3" P.A. 257.00 sep 7.6 mag 10.08,11.84 Sp M5 dist. 196.85 pc (642.12 l.y.)
 
 
Coord 2000 18177+3455 Discov num ES 2231 Comp Coord arcsec 2000 18 17 39.36 +34 55 06.3
Date first 1926 Date last 2020 Obs 14
Pa first 270 Pa last 257.4 P.A. Now (θ) 257.4°
Sep first 7.5 Sep last 7.59 Sep. Now (ρ) 7.59"
Mag pri 10.08 Mag sec 11.84 delta mag (ΔM) 1.76 Spectral class M5 (red)
Pri motion ra +006 Sec motion ra +005
Pri motion dec +013 Sec motion dec -011
Notes
rPM=1.678
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra HIP 89645 Tycho2 2630-00198-1 Gaia DR2 4605548239582687488
BD BD+34 3173 Distance 196.85 Distance ly 642.12
 
 
WDS 18177+3455 ES 2231 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
18177+3455 ES 2231 2000 7 261 7.5 10.08 11.84 M5 181739.36+345506.3
18177+3455 ES 2231 2002 8 260 7.6 10.08 11.84 M5 181739.36+345506.3
18177+3455 ES 2231 2013 10 258 7.5 10.08 11.84 M5 181739.36+345506.3
18177+3455 ES 2231 2015 13 258 7.6 10.08 11.84 M5 181739.36+345506.3
18177+3455 ES 2231 2020 14 257 7.6 10.08 11.84 M5 181739.36+345506.3

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

 
 
WDS 18177+3455 ES 2231 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18177+3455 ES 2231 : MEASURES
 
 
No records found.

 
 
WDS 18177+3455 : VIRTUAL EYEPIECE
 
 

18177+3455 ES 2231A mag 10.08 Sp M5 18177+3455 ES 2231B sep 6.3 P.A. 254.80 mag 11.84 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 18177+3455 : ALADIN DSS IMAGE @ 18h 17m 39.36s +34° 55' 06.3"
 
 
 
 
WDS 18177+3455 ES 2231 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18177+3455 ES 2231 distance=0' 18171+3453 COU 12 distance=9' 18165+3451 DAM 105 distance=15' 18154+3433 SEI 562 distance=36' 18175+3403 SEI 563 distance=53' 18207+3547 COU1148 distance=65' 18208+3547 DAM 107 distance=65' 18227+3522 ES 2172 distance=67' 18222+3417 TDT 818 distance=68' 18121+3459 TDT 734 distance=69' 18234+3449 ES 2232 distance=72' 18238+3439 TDT 831 distance=78' 18114+3506 ALI 140 distance=78' 18144+3602 HU 1188 distance=78' 18119+3417 SEI 561 distance=81' 18200+3611 ALI 376 distance=82' 18195+3336 COU1010 distance=83' 18157+3615 KPP4096 distance=84' 18118+3406 DAM 630 distance=87' 18167+3623 COU1304 distance=89' 18163+3625 HU 1291 distance=92' 18111+3544 JNN 116 distance=94' 18236+3356 COU1011 distance=95' 18111+3403 SEI 560 distance=96' 18226+3337 FOX 227 distance=100' 18121+3559 ES 2171 distance=100' 18176+3637 HTP 5AB (Chason) distance=103' 18176+3637 HTP 5AC (Chason) distance=103' 18176+3637 HTP 5AD (Chason) distance=103' 18210+3630 ES 2110 distance=104' 18094+3432 HU 1187 distance=106' 18102+3402 STF2291 distance=107' 18090+3511 HO 80 distance=107' 18104+3356 SEI 559 distance=107' 18144+3636 TDT 757 distance=109' 18145+3313 COU1007 distance=109' 18243+3609 HDS2603 distance=110' 18208+3639 COU1306 distance=111' 18130+3318 COU1006 distance=114' 18093+3547 ES 2170 distance=115' 18269+3448 UC 3585 distance=115' 18118+3327 B 2545AB distance=115' 18118+3327 HO 82AB,C distance=115' 18270+3500 CBL 77 distance=116' 18081+3449 POP 211 distance=118' 18079+3514 UC 3499 distance=122' 18109+3321 COU1005AB distance=127' 18109+3321 COU1005AB,C distance=127' 18172+3703 COU1305 distance=128' 18189+3248 COU1009 distance=129' 18145+3249 HU 927 distance=130' 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 18177+3455 ES 2231 257 7.6
Show 18171+3453 COU 12 209 1.9 9
Show 18165+3451 DAM 105 146 7.0 15
Show 18154+3433 SEI 562 327 27.2 36
Show 18175+3403 SEI 563 94 13.3 53
Show 18207+3547 COU1148 74 1.5 65
Show 18208+3547 DAM 107 305 7.7 65
Show 18227+3522 ES 2172 45 2.8 67
Show 18222+3417 TDT 818 25 0.3 68
Show 18121+3459 TDT 734 165 2.1 69
Show 18234+3449 ES 2232 193 2.8 72
Show 18238+3439 TDT 831 228 0.8 78
Show 18114+3506 ALI 140 250 14.3 78
Show 18144+3602 HU 1188 119 1.9 78
Show 18119+3417 SEI 561 155 20.8 81
Show 18200+3611 ALI 376 240 13.5 82
Show 18195+3336 COU1010 163 1.2 83
Show 18157+3615 KPP4096 76 1.5 84
Show 18118+3406 DAM 630 40 15.0 87
Show 18167+3623 COU1304 82 1.4 89
Show 18163+3625 HU 1291 52 0.3 92
Show 18111+3544 JNN 116 27 5.3 94
Show 18236+3356 COU1011 111 1.5 95
Show 18111+3403 SEI 560 35 30.3 96
Show 18226+3337 FOX 227 321 35.6 100
Show 18121+3559 ES 2171 68 4.0 100
Show Chason 18176+3637 HTP 5 AB 236 6.1 103
Show Chason 18176+3637 HTP 5 AC 194 7.1 103
Show Chason 18176+3637 HTP 5 AD 268 4.3 103
Show 18210+3630 ES 2110 96 6.5 104
Show 18094+3432 HU 1187 77 2.1 106
Show 18102+3402 STF2291 340 29.9 107
Show 18090+3511 HO 80 188 0.5 107
Show 18104+3356 SEI 559 171 11.5 107
Show 18144+3636 TDT 757 12 2.0 109
Show 18145+3313 COU1007 38 0.3 109
Show 18243+3609 HDS2603 354 0.9 110
Show 18208+3639 COU1306 42 0.5 111
Show 18130+3318 COU1006 337 0.5 114
Show 18093+3547 ES 2170 259 7.6 115
Show 18269+3448 UC 3585 322 7.9 115
Show 18118+3327 B 2545 AB 241 0.1 115
Show 18118+3327 HO 82 AB,C 221 0.7 115
Show 18270+3500 CBL 77 68 39.2 116
Show 18081+3449 POP 211 292 2.9 118
Show 18079+3514 UC 3499 106 69.7 122
Show 18109+3321 COU1005 AB 333 0.2 127
Show 18109+3321 COU1005 AB,C 25 1.9 127
Show 18172+3703 COU1305 186 1.8 128
Show 18189+3248 COU1009 263 2.4 129
Show 18145+3249 HU 927 101 0.4 130

 
 
WDS 18177+3455 : COMPONENTS
 
 
  A
B pa=254.8°
sep=6.30"
 
 
18177+3455 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181739.36+345506.3 Mag 10.08 Spectral class M5 (red)
PmRA 6.00 PmDE 13.0 HIP 89645 Tycho2 2630-00198-1
BD BD+34 3173
Tycho2
Tycho2 2630-00198-1 Pflag RAmdeg 274.41400735 DEmdeg 34.91840267
PmRA -0.4 PmDE 16.0 E RAmdeg 24 E DEmdeg 23
E pmRA 2.0 E pmDE 2.1 EpRAm 1988.77 EpDEm 1989.07
Num 9 Q RAmdeg 1.5 Q DEmdeg 1.9 Q pmRA 1.5
Q pmDE 1.9 BTmag 11.755 E BTmag 0.071 VTmag 10.083
E VTmag 0.029 Prox 75 TYC T HIP 89645
CCDM A RAdeg 274.41401000 DEdeg 34.91836667 EpRA 1990 1.59
EpDE 1990 1.62 E RAdeg 25.1 E DEdeg 24.1 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 89645 Proxy H RAhms 18 17 39.36
DEdms +34 55 06.1 Vmag 9.46 VarFlag 2 R Vmag H
RAdeg 274.414 DEdeg 34.9184 AstroRef A Plx 4.48
CCDM 18177+3455 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 262 Rho 7.529 HD BD BD+34 3173
CD CP Dm number +34 3173 VIred 3.71
SpType M5... R SpType Coord arcsec 2000 181739.36+345506.1
Hipparcos 2
HIP 89645 Sn 15 So 3 Nc 2
RArad 4.7894279769 DErad 0.6094402971 Plx 5.08 PmRA 4.13
PmDE 11.78 E RArad 1.06 E DErad 1.21 E Plx 1.42
E pmRA 1.21 E pmDE 1.45 Hpmag 9.4483 E Hpmag 0.0131
SHp 0.104 VA 2 BV 1.65 E BV 0.082
VI 2.67
CCDM
Ccdm 18177+3455 RComp Comp A Note1
Note2 Discov num DRAs -2.73 DDEs 3.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp PmNote *
PmRA -18 PmDE -22 Dm number +34 3173 Cat1 BD
Name2 +34 1683 Cat2 AGK2/3 HD M HD
ADS BDS A11241 M ADS BDS N IDS IDS 18141N3453A
HIC 89645
 
 
18177+3455 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181738.87+345504.6 Mag 11.84 PmRA 5.00
PmDE -11.0 Calc delta mag 1.76 Calc coord yes
CCDM
Ccdm 18177+3455 RComp Comp B Note1
Note2 Discov num ES 2231 DRAs DDEs
R dRAs Year 1926 Theta 270 Rho 7.4
Obs 2 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11241 M ADS BDS N IDS IDS 18141N3453B
HIC 89645