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Current system
20462+3533
ES 2252 AB


Nearby doubles
12' : 20452+3531
SEI1237

14' : 20462+3546
SEI1243AB

14' : 20456+3521
TDT2520

15' : 20451+3529
COU1809

18' : 20471+3545
SEI1247

19' : 20465+3550
ES 2196

19' : 20449+3524
SEI1235

20' : 20448+3542
SEI1234

22' : 20464+3511
COU1810

22' : 20460+3554
TDT2525

29' : 20465+3504
GRV 379

29' : 20460+3601
SEI1242

31' : 20450+3600
ALI 204

32' : 20481+3554
SEI1252

34' : 20485+3550
SEI1254

35' : 20434+3535
ISM 5AB

41' : 20466+3452
SEI1246

42' : 20466+3451
SEI1245

42' : 20479+3456
TDT2545

43' : 20494+3548
SEI1262

44' : 20489+3503
SEI1257AB

46' : 20485+3608
SEI1253

46' : 20499+3531
SEI1266

46' : 20430+3555
HJ 1568

47' : 20501+3534
TDT2567

49' : 20435+3609
ES 2195AB



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.

20462+3533 ES 2252 AB

 
 
20h 46m 12.66s +35° 32' 25.6" P.A. 294.00 sep 4.2 mag 9.45,12.92 Sp B0.5Vn dist. 7142.86 pc (23300.01 l.y.)
 
 
Coord 2000 20462+3533 Discov num ES 2252 Comp AB Coord arcsec 2000 20 46 12.66 +35 32 25.6
Date first 1926 Date last 1991 Obs 4
Pa first 295 Pa last 293.6 P.A. Now (θ) 293.6°
Sep first 4.0 Sep last 4.22 Sep. Now (ρ) 4.22"
Mag pri 9.45 Mag sec 12.92 delta mag (ΔM) 3.47 Spectral class B0.5Vn (blue-white)
Pri motion ra +003 Sec motion ra -002
Pri motion dec -004 Sec motion dec -003
Notes
rPM=1.02
This double is not physical.
 
 
20462+3533 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 46 13 +35 32 26 ES 2252 AB 1991 4 294 4.2 9.45 12.92 3.47 <===
Show 20 46 13 +35 32 26 LMP 18 AB,C 2002 3 82 26.0 9.45 15.50 6.05
Show 20 46 13 +35 32 26 LMP 18 AB,D 2002 3 85 35.5 9.45 15.00 5.55
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 102489 Tycho2 2695-00695-1 Gaia DR2 1870290998515818624
BD BD+35 4258 Distance 7142.86 Distance ly 23300.01
 
 
WDS 20462+3533 ES 2252 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)
Lmp2001a C j Lampens, P. & Strigachev, A. 2001A&A...368..572L
Lmp2001a +orb A&A 368, 572, 2001
Lmp2001b C j Lampens, P., Oblak, E., Duval, D., & Chareton, M. 2001A&A...374..132L
Lmp2001b A&A 374, 132, 2001
Lmp2001b (Differential measures of cluster members were not added to the WDS, at the
Lmp2001b request of the author.)
Lmp2004 C j Strigachev, A. & Lampens, P. 2004A&A...422.1023S
Lmp2004 A&A 422, 1023, 2004
Lmp2005 orb - Lampens, P., Fremat, Y., & Hensberge, H. 2005IAUDS.157....1L
Lmp2005 Inf. Circ. 157, 1, 2005
Lmp2007 C j Lampens, P., Strigachev, A., & Duval, D. 2007A&A...464..641L
Lmp2007 A&A 464, 641, 2007
Lmp2008 orb - Lampens, P., Fremat, Y., Hensberge, H., Tamazian, V., Docobo, J.A., & Balega, Y. 2008msah.conf...59L
Lmp2008 ESO Symp. "Multiple Stars Across the HR Diagram", p 59, 2008
Lmp2011 orb - Torres, K.B.V., Lampens, P., Fremat, Y., Hensberge, H., Lebreton, Y., & Skoda, P. 2011A&A...525A..50T
Lmp2011 A&A 525, A50, 2011
Lmp2013 A j Lampens, P., Prieur, J.-L., Argyle, R.W., & Cuypers, J. 2013AN....334..237L
Lmp2013 AN 334, 237, 2013
Lmp2013 (Multiple measures for same epoch, due to two reduction techniques. JHK component
Lmp2013 magnitudes derived using differential photometry plus combined magnitudes from
Lmp2013 2MASS and other sources.)
Lmp2016 C j Lampens, P. & Van Cauteren, P. 2016O&T....84...18L
Lmp2016 Obs. et Travaux 84, 18, 2016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20462+3533 ES 2252 AB 1991 4 294 4.2 9.45 12.92 B0.5Vn 204612.66+353225.6

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

 
 
WDS 20462+3533 ES 2252 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20462+3533 ES 2252 AB : MEASURES
 
 
No records found.

 
 
WDS 20462+3533 : VIRTUAL EYEPIECE
 
 

20462+3533 ES 2252A mag 9.45 Sp B0.5Vn 20462+3533 ES 2252B sep 3.6 P.A. 298.20 mag 12.92 20462+3533 LMP 18C sep 21.2 P.A. 79.80 mag 15.5 20462+3533 LMP 18D sep 29.0 P.A. 84.00 mag 15 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 20462+3533 : ALADIN DSS IMAGE @ 20h 46m 12.66s +35° 32' 25.6"
 
 
 
 
WDS 20462+3533 ES 2252 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20462+3533 ES 2252AB distance=0' 20452+3531 SEI1237 distance=12' 20462+3546 SEI1243AB distance=14' 20462+3546 TDT2529Aa,Ab distance=14' 20456+3521 TDT2520 distance=14' 20451+3529 COU1809 distance=15' 20471+3545 SEI1247 distance=18' 20465+3550 ES 2196 distance=19' 20449+3524 SEI1235 distance=19' 20448+3542 SEI1234 distance=20' 20464+3511 COU1810 distance=22' 20460+3554 TDT2525 distance=22' 20465+3504 GRV 379 distance=29' 20460+3601 SEI1242 distance=29' 20450+3600 ALI 204 distance=31' 20481+3554 SEI1252 distance=32' 20485+3550 SEI1254 distance=34' 20434+3535 ISM 5AB distance=35' 20434+3535 EVS 44AC distance=35' 20434+3535 EVS 44AD distance=35' 20466+3452 SEI1246 distance=41' 20466+3451 SEI1245 distance=42' 20479+3456 TDT2545 distance=42' 20494+3548 SEI1262 distance=43' 20489+3503 SEI1257AB distance=44' 20485+3608 SEI1253 distance=46' 20499+3531 SEI1266 distance=46' 20430+3555 HJ 1568 distance=46' 20501+3534 TDT2567 distance=47' 20435+3609 ES 2195AB distance=49' 20435+3609 ES 2195BC distance=49' 20444+3617 GII 53 distance=50' 20490+3451 SEI1259 distance=54' 20489+3449 SEI1258 distance=54' 20422+3510 POP 9 distance=55' 20462+3628 TDT2528 distance=56' 20423+3601 TDT2481 distance=56' 20506+3552 SEI1273 distance=57' 20418+3553 HJ 1560AB distance=58' 20418+3553 HJ 1560AC distance=58' 20490+3619 COU1811 distance=58' 20474+3629 FYM 126CD distance=59' 20474+3629 FYM 126CE distance=59' 20474+3629 MCA 63Aa,Ab distance=59' 20474+3629 STT 413AB distance=59' 20474+3629 S 765AC distance=59' 20474+3629 FYM 126AF distance=59' 20424+3455 COU1965 distance=60' 20414+3515 COU1964 distance=61' 20513+3546 TDT2580 distance=64' 20411+3516 COU1963AB distance=65' 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 20462+3533 ES 2252 AB 294 4.2
Show 20462+3533 LMP 18 AB,C 82 26.0
Show 20462+3533 LMP 18 AB,D 85 35.5
Show 20452+3531 SEI1237 272 26.1 12
Show 20462+3546 SEI1243 AB 203 16.2 14
Show 20462+3546 TDT2529 Aa,Ab 218 0.6 14
Show 20456+3521 TDT2520 16 0.4 14
Show 20451+3529 COU1809 101 0.7 15
Show 20471+3545 SEI1247 78 25.6 18
Show 20465+3550 ES 2196 70 5.6 19
Show 20449+3524 SEI1235 77 9.4 19
Show 20448+3542 SEI1234 127 19.1 20
Show 20464+3511 COU1810 183 0.2 22
Show 20460+3554 TDT2525 70 0.6 22
Show 20465+3504 GRV 379 162 57.1 29
Show 20460+3601 SEI1242 214 23.6 29
Show 20450+3600 ALI 204 307 11.5 31
Show 20481+3554 SEI1252 115 17.3 32
Show 20485+3550 SEI1254 20 22.3 34
Show 20434+3535 ISM 5 AB 145 0.0 35
Show 20434+3535 EVS 44 AC 96 12.9 35
Show 20434+3535 EVS 44 AD 298 14.8 35
Show 20466+3452 SEI1246 58 18.9 41
Show 20466+3451 SEI1245 5 23.1 42
Show 20479+3456 TDT2545 195 2.5 42
Show 20494+3548 SEI1262 301 6.1 43
Show 20489+3503 SEI1257 AB 215 17.9 44
Show 20485+3608 SEI1253 83 24.1 46
Show 20499+3531 SEI1266 179 10.5 46
Show 20430+3555 HJ 1568 44 11.2 46
Show 20501+3534 TDT2567 125 0.4 47
Show 20435+3609 ES 2195 AB 4 20.7 49
Show 20435+3609 ES 2195 BC 91 1.8 49
Show 20444+3617 GII 53 358 0.3 50
Show 20490+3451 SEI1259 88 15.5 54
Show 20489+3449 SEI1258 351 25.1 54
Show 20422+3510 POP 9 342 4.5 55
Show 20462+3628 TDT2528 4 1.9 56
Show 20423+3601 TDT2481 43 0.7 56
Show 20506+3552 SEI1273 159 24.1 57
Show 20418+3553 HJ 1560 AB 248 12.8 58
Show 20418+3553 HJ 1560 AC 74 24.3 58
Show 20490+3619 COU1811 255 0.8 58
Show 20474+3629 FYM 126 CD 112 9.4 59
Show 20474+3629 FYM 126 CE 207 40.1 59
Show 20474+3629 MCA 63 Aa,Ab 46 0.1 59
Show 20474+3629 STT 413 AB 1 0.9 59
Show 20474+3629 S 765 AC 106 82.8 59
Show 20474+3629 FYM 126 AF 119 52.0 59
Show 20424+3455 COU1965 278 0.4 60
Show 20414+3515 COU1964 130 1.0 61

 
 
WDS 20462+3533 : COMPONENTS
 
 
  A B C
B pa=298.2°
sep=3.57"
 
C pa=79.8°
sep=21.24"
pa=85.1°
sep=24.14"
 
D pa=84.0°
sep=28.97"
pa=87.6°
sep=31.99"
pa=95.2°
sep=7.94"
 
 
20462+3533 A
 
 
Coord arcsec 2000 204612.66+353225.6 Mag 9.45 Spectral class B0.5Vn (blue-white) PmRA 3.00
PmDE -4.0 HIP 102489 Tycho2 2695-00695-1 BD BD+35 4258
Tycho2
Tycho2 2695-00695-1 Pflag RAmdeg 311.55274485 DEmdeg 35.54044149
PmRA 3.3 PmDE -3.8 E RAmdeg 10 E DEmdeg 9
E pmRA 1.7 E pmDE 1.7 EpRAm 1990.88 EpDEm 1991.13
Num 5 Q RAmdeg 2.6 Q DEmdeg 1.1 Q pmRA 2.6
Q pmDE 1.1 BTmag 9.433 E BTmag 0.018 VTmag 9.452
E VTmag 0.018 Prox 42 TYC T HIP 102489
CCDM A RAdeg 311.55273806 DEdeg 35.54045028 EpRA 1990 1.65
EpDE 1990 1.68 E RAdeg 9.6 E DEdeg 8.8 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 102489 Proxy H RAhms 20 46 12.66
DEdms +35 32 25.6 Vmag 9.38 VarFlag 1 R Vmag G
RAdeg 311.553 DEdeg 35.5404 AstroRef A Plx 2.47
CCDM 20462+3532 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 294 Rho 4.242 HD BD BD+35 4258
CD CP Dm number +35 4258 VIred 0.04
SpType B0.5Vn R SpType Coord arcsec 2000 204612.66+353225.6
Hipparcos 2
HIP 102489 Sn 15 So 3 Nc 2
RArad 5.4376211024 DErad 0.620297734 Plx -0.14 PmRA -1.89
PmDE -2.12 E RArad 0.73 E DErad 0.92 E Plx 1.12
E pmRA 0.83 E pmDE 1.03 Hpmag 9.4051 E Hpmag 0.0027
SHp 0.027 VA 0 BV 0.027 E BV 0.015
VI 0.04
 
 
20462+3533 B
 
 
Coord arcsec 2000 204612.40+353227.3 Mag 12.92 PmRA -2.00 PmDE -3.0
Calc delta mag 3.47 Calc coord yes
 
 
20462+3533 C
 
 
Coord arcsec 2000 204614.37+353229.3 Mag 15.5 Calc delta mag 6.05 Calc coord yes
 
 
20462+3533 D
 
 
Coord arcsec 2000 204615.02+353228.6 Mag 15 Calc delta mag 5.55 Calc coord yes