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Current system
00311+5515
PKO 3
HD 236444


Nearby doubles
3' : 00310+5546
PKO 2

8' : 00303+5550
STI1365

10' : 00310+5539
ES 116

14' : 00315+5601
PKO 4

14' : 00312+5535
TDS1504

14' : 00321+5600
GRF 23

16' : 00297+5548
MLB 150

18' : 00302+5604
TDS1495

21' : 00288+5541
MLR 624

22' : 00306+5609
PKO 1

25' : 00332+5528
STI1377

26' : 00329+5609
STI1374

26' : 00292+5528
STI1360

26' : 00301+5613
STI1362

28' : 00343+5543
ES 117

28' : 00342+5557
TDS1524

36' : 00308+5513
TDS1501

37' : 00303+5624
STI1364AB

37' : 00323+5513
TDS1512

38' : 00343+5614
STI1381

38' : 00326+5513
RAS 17

39' : 00348+5611
STI1383

40' : 00344+5617
STI1382

40' : 00350+5610
MLR 648

41' : 00265+5540
STI1346

41' : 00339+5621
STI1379



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00311+5515 PKO 3 (HD 236444)

 
 
00h 31m 04.37s +55° 48' 32.0" P.A. 165.00 sep 9.6 mag 12.30,12.00
 
 
Coord 2000 00311+5515 Discov num PKO   3 Comp Coord arcsec 2000 00 31 04.37 +55 48 32.0
Date first 1969 Date last 2015 Obs 10
Pa first 167 Pa last 164.9 P.A. Now (θ) 164.9°
Sep first 9.9 Sep last 9.624 Sep. Now (ρ) 9.624"
Mag pri 12.30 Mag sec 12.00 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -020 Sec motion ra -007
Pri motion dec -012 Sec motion dec +004
Notes
rPM=0.884
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 236444 Constellation Cassiopeia Tycho2 3662-01089-1 Gaia DR2 421273589518463232
HD 236444 DM BD+55 93
 
 
WDS 00311+5515 PKO 3 (HD 236444) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
PKO (Pulkova Observatory)
PKO Kiselev A.A., Kalinichenko O.A., Kiyaeva O.V., Shakht N.A., Romanenko L.G.,
PKO Izmailov I.S., Bykov O.P., Maslennikov K.L., Bukhmastova Yu.L.
PKO Kiselev, A.A. Kiyaeva, O.V., Izmailov, I.S., Romanenko, L.G., Kalinichenko, O.A.,
PKO Vasilkova, O.O., Vasileva, T.A., Shakht, N.A., Gorshanov, D.L. & Roschina, E.A.
PKO Izmailov, I.S., Roshchinca, E.A., Kiselev, A.A., Kiseleva, T.P., Kalinichenko, O.,
PKO Bykov, O.P., Kiyaeva, O.V., Romanenko, L.G., Shakht, N.A., Maslennikov, K.L. &
PKO Khovrichev, M.Yu., Kulikova, A.M., Sokov, E.N., Dyachenko, V.V., Rastegaev, D.A.,
PKO Beskakotov, A.S., Balega, Yu.Yu., Safonov, B.S., Dodin, A.V., & Vozyakova, O.V.
PKO Kulikova, A.M., Khovritchev, M.Yu., Sokov, E.N., Dyachenko, V.V., Rastegaev, D.A.,
PKO Shakht, N.A., Gorshanov, D.L. & Vasilkova, O.O.
PKO Sokov, E.N., Gorshanov, D.L., Izmailov, I.S., Shakht, N.A., Sokova, I.A.,
PKO Beskakotov, A.S., Dyachenko, V.V., Maksimov, A.F., Mitrofanova, A.A. & Rasstegaev,
PKO Astronomy Letters 50, 138, 2024
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00311+5515 PKO 3 1977 3 166 9.8 11.66 11.90 003110.56+551540.1
00311+5515 PKO 3 2000 4 166 9.7 12.30 12.00 003104.37+554832.0
00311+5515 PKO 3 2003 6 166 9.7 12.30 12.00 003104.37+554832.0
00311+5515 PKO 3 2010 7 166 9.4 12.30 12.00 003104.37+554832.0
00311+5515 PKO 3 2015 6 165 9.6 12.30 12.00 003104.37+554832.0

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

 
 
WDS 00311+5515 PKO 3 (HD 236444) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00311+5515 PKO 3 (HD 236444) : MEASURES
 
 
No records found.

 
 
WDS 00311+5515 (HD 236444) : VIRTUAL EYEPIECE
 
 

00311+5515 PKO 3A mag 12.3 00311+5515 PKO 3B sep 9.6 P.A. 164.90 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00311+5515 (HD 236444) : ALADIN DSS IMAGE @ 00h 31m 04.37s +55° 48' 32.0"
 
 
 
 
WDS 00311+5515 PKO 3 (HD 236444) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00311+5515 PKO 3 distance=0' 00310+5546 PKO 2 distance=3' 00303+5550 STI1365 distance=8' 00310+5539 ES 116 distance=10' 00315+5601 PKO 4 distance=14' 00312+5535 TDS1504 distance=14' 00321+5600 GRF 23 distance=14' 00297+5548 MLB 150 distance=16' 00302+5604 TDS1495 distance=18' 00288+5541 MLR 624 distance=21' 00306+5609 PKO 1 distance=22' 00332+5528 STI1377 distance=25' 00329+5609 STI1374 distance=26' 00292+5528 STI1360 distance=26' 00301+5613 STI1362 distance=26' 00343+5543 ES 117 distance=28' 00342+5557 TDS1524 distance=28' 00308+5513 TDS1501 distance=36' 00303+5624 STI1364AB distance=37' 00303+5624 CVE 5AC distance=37' 00323+5513 TDS1512 distance=37' 00343+5614 STI1381 distance=38' 00326+5513 RAS 17 distance=38' 00348+5611 STI1383 distance=39' 00344+5617 STI1382 distance=40' 00350+5610 MLR 648 distance=40' 00265+5540 STI1346 distance=41' 00339+5621 STI1379 distance=41' 00352+5524 TDS 21 distance=43' 00327+5629 TDS1514 distance=43' 00267+5612 STI1348 distance=44' 00363+5537 TDS1543 distance=46' 00357+5613 TDS1536 distance=46' 00272+5513 STI1351 distance=49' 00366+5609 A 914 distance=51' 00251+5559 TDS1452 distance=52' 00250+5559 STI1342 distance=52' 00249+5543 ES 932AB distance=52' 00249+5543 ES 932BC distance=53' 00311+5454 ES 933 distance=55' 00364+5621 A 913 distance=56' 00246+5600 TDS1447 distance=56' 00332+5642 STI1376 distance=57' 00350+5636 ES 3 distance=58' 00311+5648 ES 2 distance=60' 00304+5449 TDS1496 distance=60' 00321+5449 STI1371AB distance=61' 00366+5628 STI1392 distance=61' 00370+5513 HDS 85 distance=62' 00239+5531 STI1340 distance=63' 00378+5618 STI1401BC distance=64' 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 00311+5515 PKO 3 165 9.6 0
Show 00310+5546 PKO 2 62 9.4 3
Show 00303+5550 STI1365 72 12.4 8
Show 00310+5539 ES 116 257 7.4 10
Show 00315+5601 PKO 4 358 15.4 14
Show 00312+5535 TDS1504 300 1.0 14
Show 00321+5600 GRF 23 146 77.1 14
Show 00297+5548 MLB 150 125 4.9 16
Show 00302+5604 TDS1495 346 0.7 18
Show 00288+5541 MLR 624 324 0.1 21
Show 00306+5609 PKO 1 294 5.8 22
Show 00332+5528 STI1377 91 14.5 25
Show 00329+5609 STI1374 168 12.4 26
Show 00292+5528 STI1360 137 11.6 26
Show 00301+5613 STI1362 343 17.0 26
Show 00343+5543 ES 117 56 3.0 28
Show 00342+5557 TDS1524 317 0.5 28
Show 00308+5513 TDS1501 232 0.4 36
Show 00303+5624 STI1364 AB 8 14.7 37
Show 00303+5624 CVE 5 AC 153 16.9 37
Show 00323+5513 TDS1512 15 0.6 37
Show 00343+5614 STI1381 181 7.7 38
Show 00326+5513 RAS 17 76 0.7 38
Show 00348+5611 STI1383 227 7.4 39
Show 00344+5617 STI1382 183 3.5 40
Show 00350+5610 MLR 648 246 1.1 40
Show 00265+5540 STI1346 105 15.3 41
Show 00339+5621 STI1379 118 10.1 41
Show 00352+5524 TDS 21 187 0.9 43
Show 00327+5629 TDS1514 101 3.2 43
Show 00267+5612 STI1348 144 5.3 44
Show 00363+5537 TDS1543 35 1.4 46
Show 00357+5613 TDS1536 354 1.8 46
Show 00272+5513 STI1351 349 13.0 49
Show 00366+5609 A 914 19 0.4 51
Show 00251+5559 TDS1452 169 0.7 52
Show 00250+5559 STI1342 229 15.9 52
Show 00249+5543 ES 932 AB 321 41.9 52
Show 00249+5543 ES 932 BC 90 2.8 53
Show 00311+5454 ES 933 271 8.3 55
Show 00364+5621 A 913 90 0.6 56
Show 00246+5600 TDS1447 87 0.6 56
Show 00332+5642 STI1376 65 7.6 57
Show 00350+5636 ES 3 158 8.2 58
Show 00311+5648 ES 2 113 5.9 60
Show 00304+5449 TDS1496 228 0.7 60
Show 00321+5449 STI1371 AB 20 6.2 61
Show 00366+5628 STI1392 345 13.0 61
Show 00370+5513 HDS 85 34 0.2 62
Show 00239+5531 STI1340 12 13.9 63
Show 00378+5618 STI1401 BC 33 9.2 64

 
 
WDS 00311+5515 : COMPONENTS
 
 
  A
B pa=164.9°
sep=9.62"
 
 
00311+5515 A
 
 
Name HD 236444 Coord arcsec 2000 003104.37+554832.0 Mag 12.3 PmRA -20.00
PmDE -12.0
 
 
00311+5515 B
 
 
Coord arcsec 2000 003104.67+554822.7 Mag 12 PmRA -7.00 PmDE 4.0
HD 236444 Delta magnitude 0.3 Coordinate calculated yes