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Doubles in session


Current system
18267+3610
ES 2173
HD 170228


Nearby doubles
27' : 18288+3617
TDT 899

30' : 18243+3609
HDS2603

46' : 18299+3633
ALI 377

50' : 18243+3650
CRB 125

53' : 18305+3635
CRB 126

69' : 18227+3522
ES 2172

71' : 18270+3500
CBL 77

71' : 18319+3538
COU1151AB

72' : 18315+3530
LDS4790

73' : 18210+3630
ES 2110

73' : 18300+3710
BU 420AB

75' : 18208+3547
DAM 107

76' : 18207+3547
COU1148

77' : 18208+3639
COU1306

81' : 18200+3611
ALI 376

82' : 18269+3448
UC 3585

83' : 18316+3513
UC 3601

92' : 18234+3449
ES 2232

96' : 18346+3608
HU 1293

98' : 18238+3439
TDT 831

100' : 18347+3548
HDS2635

100' : 18345+3540
WSP 3AB

101' : 18313+3447
POP 152

103' : 18335+3510
HO 86

105' : 18301+3746
UC 3595

111' : 18334+3727
ES 2481



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.

18267+3610 ES 2173 (HD 170228)

 
 
18h 26m 41.39s +36° 09' 53.1" P.A. 303.00 sep 6.2 mag 8.48,11.90 Sp K0 dist. 25000 pc (81550 l.y.)
 
 
Coord 2000 18267+3610 Discov num ES 2173 Comp Coord arcsec 2000 18 26 41.39 +36 09 53.1
Date first 1925 Date last 2019 Obs 9
Pa first 300 Pa last 302.9 P.A. Now (θ) 302.9°
Sep first 5.6 Sep last 6.2 Sep. Now (ρ) 6.2"
Mag pri 8.48 Mag sec 11.90 delta mag (ΔM) 3.42 Spectral class K0 (yellow-orange)
Pri motion ra -009 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170228 Constellation Lyra SAO 66980 HIP 90399
Tycho2 2635-01367-1 Gaia DR2 2095794030129612800 HD 170228 BD BD+36 3130
Distance 25000 Distance ly 81550
 
 
WDS 18267+3610 ES 2173 (HD 170228) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
18267+3610 ES 2173 2006 2 304 6.5 7.70 11.90 K0 182641.39+360953.1
18267+3610 ES 2173 2017 4 304 6.5 8.48 11.90 K0 182641.39+360953.1
18267+3610 ES 2173 2019 8 303 6.2 8.48 11.90 K0 182641.39+360953.1

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

 
 
WDS 18267+3610 ES 2173 (HD 170228) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18267+3610 ES 2173 (HD 170228) : MEASURES
 
 
No records found.

 
 
WDS 18267+3610 (HD 170228) : VIRTUAL EYEPIECE
 
 

18267+3610 ES 2173A mag 8.48 Sp K0 18267+3610 ES 2173B sep 5.4 P.A. 308.70 mag 11.9 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 18267+3610 (HD 170228) : ALADIN DSS IMAGE @ 18h 26m 41.39s +36° 09' 53.1"
 
 
 
 
WDS 18267+3610 ES 2173 (HD 170228) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18267+3610 ES 2173 distance=0' 18288+3617 TDT 899 distance=27' 18243+3609 HDS2603 distance=30' 18299+3633 ALI 377 distance=46' 18243+3650 CRB 125 distance=50' 18305+3635 CRB 126 distance=53' 18227+3522 ES 2172 distance=69' 18270+3500 CBL 77 distance=71' 18319+3538 COU1151AB distance=71' 18315+3530 LDS4790 distance=72' 18210+3630 ES 2110 distance=73' 18300+3710 BU 420AB distance=73' 18300+3710 BU 420AC distance=73' 18208+3547 DAM 107 distance=75' 18207+3547 COU1148 distance=76' 18208+3639 COU1306 distance=77' 18200+3611 ALI 376 distance=81' 18269+3448 UC 3585 distance=82' 18316+3513 UC 3601 distance=83' 18234+3449 ES 2232 distance=92' 18346+3608 HU 1293 distance=96' 18238+3439 TDT 831 distance=98' 18347+3548 HDS2635 distance=100' 18345+3540 WSP 3AB distance=100' 18345+3540 WSP 3AC distance=100' 18313+3447 POP 152 distance=101' 18335+3510 HO 86 distance=103' 18301+3746 UC 3595 distance=105' 18334+3727 ES 2481 distance=111' 18176+3637 HTP 5AB (Chason) distance=113' 18176+3637 HTP 5AC (Chason) distance=113' 18176+3637 HTP 5AD (Chason) distance=113' 18337+3726 MLB 937 distance=113' 18344+3503 POP 15 distance=116' 18298+3803 HU 1189 distance=120' 18167+3623 COU1304 distance=122' 18309+3417 COU1150Aa,Ab distance=125' 18309+3417 STF2335AB distance=125' 18309+3417 STF2335AC distance=125' 18309+3417 ABH 100AD distance=125' 18309+3417 ABH 100AE distance=125' 18172+3703 COU1305 distance=126' 18222+3417 TDT 818 distance=126' 18163+3625 HU 1291 distance=127' 18157+3615 KPP4096 distance=133' 18177+3455 ES 2231 distance=134' 18357+3452 GII 48 distance=135' 18237+3821 HO 431 distance=136' 18332+3420 TDT 935 distance=136' 18366+3505 COU1307 distance=138' 18360+3452 TDT 953 distance=138' 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 18267+3610 ES 2173 303 6.2
Show 18288+3617 TDT 899 26 1.8 27
Show 18243+3609 HDS2603 354 0.9 30
Show 18299+3633 ALI 377 279 7.2 46
Show 18243+3650 CRB 125 161 11.9 50
Show 18305+3635 CRB 126 223 24.3 53
Show 18227+3522 ES 2172 45 2.8 69
Show 18270+3500 CBL 77 68 39.2 71
Show 18319+3538 COU1151 AB 280 1.3 71
Show 18315+3530 LDS4790 283 315.1 72
Show 18210+3630 ES 2110 96 6.5 73
Show 18300+3710 BU 420 AB 274 1.8 73
Show 18300+3710 BU 420 AC 197 20.1 73
Show 18208+3547 DAM 107 305 7.7 75
Show 18207+3547 COU1148 74 1.5 76
Show 18208+3639 COU1306 42 0.5 77
Show 18200+3611 ALI 376 240 13.5 81
Show 18269+3448 UC 3585 322 7.9 82
Show 18316+3513 UC 3601 131 40.5 83
Show 18234+3449 ES 2232 193 2.8 92
Show 18346+3608 HU 1293 76 1.1 96
Show 18238+3439 TDT 831 228 0.8 98
Show 18347+3548 HDS2635 53 0.1 100
Show 18345+3540 WSP 3 AB 87 1.2 100
Show 18345+3540 WSP 3 AC 246 18.3 100
Show 18313+3447 POP 152 311 2.8 101
Show 18335+3510 HO 86 200 0.3 103
Show 18301+3746 UC 3595 211 45.6 105
Show 18334+3727 ES 2481 155 3.5 111
Show Chason 18176+3637 HTP 5 AB 236 6.1 113
Show Chason 18176+3637 HTP 5 AC 194 7.1 113
Show Chason 18176+3637 HTP 5 AD 268 4.3 113
Show 18337+3726 MLB 937 107 2.9 113
Show 18344+3503 POP 15 313 8.8 116
Show 18298+3803 HU 1189 210 1.4 120
Show 18167+3623 COU1304 82 1.4 122
Show 18309+3417 COU1150 Aa,Ab 283 0.4 125
Show 18309+3417 STF2335 AB 318 11.7 125
Show 18309+3417 STF2335 AC 153 25.3 125
Show 18309+3417 ABH 100 AD 270 35.1 125
Show 18309+3417 ABH 100 AE 20 42.6 125
Show 18172+3703 COU1305 186 1.8 126
Show 18222+3417 TDT 818 25 0.3 126
Show 18163+3625 HU 1291 52 0.3 127
Show 18157+3615 KPP4096 76 1.5 133
Show 18177+3455 ES 2231 257 7.6 134
Show 18357+3452 GII 48 313 0.3 135
Show 18237+3821 HO 431 4 19.8 136
Show 18332+3420 TDT 935 175 0.9 136
Show 18366+3505 COU1307 327 1.2 138
Show 18360+3452 TDT 953 136 0.4 138

 
 
WDS 18267+3610 : COMPONENTS
 
 
  A
B pa=308.7°
sep=5.39"
 
 
18267+3610 A
 
 
Componente originario normalizzato AB Name HD 170228 Coord arcsec 2000 182641.39+360953.1 Mag 8.48
Spectral class K0 (yellow-orange) PmRA -9.00 PmDE -6.0 SAO 66980
HIP 90399 Tycho2 2635-01367-1 HD 170228 BD BD+36 3130
Tycho2
Tycho2 2635-01367-1 Pflag RAmdeg 276.67247602 DEmdeg 36.16475615
PmRA 1.1 PmDE -3.1 E RAmdeg 8 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.61 EpDEm 1991.01
Num 11 Q RAmdeg 2.6 Q DEmdeg 1.3 Q pmRA 2.7
Q pmDE 1.2 BTmag 9.915 E BTmag 0.023 VTmag 8.476
E VTmag 0.012 Prox 999 TYC T HIP 90399
CCDM RAdeg 276.67247639 DEdeg 36.16476250 EpRA 1990 1.46
EpDE 1990 1.63 E RAdeg 7.5 E DEdeg 7.2 Posflg
Corr 0.0
SAO
SAO 66980 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 -0.005 Vmag 8.1 SpType K0
Double code Source 5 CatNum 1635 DM BD+36 3130
DMcomp BDsup HD 170228 M HD 0
GC RA1950rad 4.82118831 DE1950rad 0.63064766 PmRA2000 0.0008
PmDE2000 -0.005
Hipparcos
Catalog H HIP 90399 Proxy RAhms 18 26 41.39
DEdms +36 09 53.1 Vmag 8.34 VarFlag R Vmag H
RAdeg 276.672 DEdeg 36.1648 AstroRef Plx -0.21
CCDM 18267+3610 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 170228 BD BD+36 3130
CD CP Dm number +36 3130 VIred 1.21
SpType K0 R SpType Coord arcsec 2000 182641.39+360953.1
Hipparcos 2
HIP 90399 Sn 5 So 0 Nc 1
RArad 4.8288455971 DErad 0.6311941709 Plx 0.04 PmRA 0.25
PmDE -3.69 E RArad 0.55 E DErad 0.56 E Plx 0.73
E pmRA 0.65 E pmDE 0.81 Hpmag 8.5024 E Hpmag 0.0017
SHp 0.018 VA 0 BV 1.203 E BV 0.018
VI 1.16
CCDM
Ccdm 18267+3610 RComp Comp A Note1
Note2 Discov num DRAs -0.62 DDEs -6.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp K0 PmNote *
PmRA 1 PmDE 2 Dm number +36 3130 Cat1 BD
Name2 +36 1635 Cat2 AGK2/3 HD 170228 M HD
ADS BDS A11361 M ADS BDS N IDS IDS 18232N3606A
HIC 90399
 
 
18267+3610 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182641.04+360956.5 Mag 11.9 Calc delta mag 3.42
Calc coord yes
CCDM
Ccdm 18267+3610 RComp Comp B Note1
Note2 Discov num ES 2173 DRAs DDEs
R dRAs Year 1925 Theta 300 Rho 5.6
Obs 1 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11361 M ADS BDS N IDS IDS 18232N3606B
HIC 90399