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Current system
23587-0333
BU 730
27 Psc


Nearby doubles
25' : 23571-0338
JNN 143

44' : 23599-0412
CBL 551

60' : 23547-0327
OCC 95

63' : 23547-0352
TSN 102

71' : 23549-0416
CVR1025

77' : 23553-0236
JNN 142

81' : 23552-0435
CVR1026

84' : 23531-0319
J 1429

85' : 23549-0438
J 1430

90' : 23529-0309
FIN 359

91' : 23527-0328
LDS3001

95' : 23536-0429
LDS3004

95' : 23523-0341
LDS6067

102' : 23525-0413
TSN 43

105' : 23529-0235
RST2229

109' : 23571-0147
BRT 528

113' : 23585-0141
RST4735

114' : 23546-0157
OCC 126

122' : 23538-0511
LDS3006

136' : 23531-0520
HDS3391

137' : 23537-0140
HJ 3223

139' : 23587-0115
SLW1341

145' : 23568-0555
LDS6075

147' : 23497-0234
LDS2999

149' : 23584-0105
HJ 997

151' : 23505-0205
RST4733



Selections
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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.

23587-0333 BU 730 (27 Psc)

 
 
23h 58m 40.41s -03° 33' 20.9" P.A. 330.00 sep 0.7 mag 4.90,8.90 Sp G9III dist. 71.89 pc (234.51 l.y.)
 
 
Coord 2000 23587-0333 Discov num BU  730 Comp Coord arcsec 2000 23 58 40.41 -03 33 20.9
Date first 1878 Date last 2018 Obs 34
Pa first 265 Pa last 330.2 P.A. Now (θ) 330.2°
Sep first 1.4 Sep last 0.719 Sep. Now (ρ) 0.719"
Mag pri 4.90 Mag sec 8.90 delta mag (ΔM) 4 Spectral class G9III (yellow)
Pri motion ra -051 Sec motion ra
Pri motion dec -072 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 27 Psc Var name NSV14785 Psc Constellation Pisces SAO 147008
HIP 118209 Tycho2 5256-01131-1 Gaia DR2 2448049586838058624 HD 224533
HR 9067 GC 33248 ADS 17137 BD BD-04 5996
Flamsteed 27 Piscium Flamsteed name 27 Psc FK5 900 Distance 71.89
Distance ly 234.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)931.1341y± 504.9436 Periastron (T)2039.831y± 16.5537 Semi-major axis (a)1.84987a± 0.74221
Eccentricity (e)0.69031± 0.22986 Inclination (i)46.242°± 17.884 Longitude of periastron (ω)260.957°± 16.198
Node (Ω)134.961°± 40.569 Notesn ReferenceIzm2019
Equinox Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 313.3 0.896
2001 314.1 0.885
2002 315.0 0.873
2003 315.9 0.861
2004 316.8 0.849
2005 317.7 0.837
2006 318.7 0.825
2007 319.7 0.812
2008 320.7 0.799
2009 321.7 0.786
2010 322.8 0.773
2011 323.9 0.760
2012 325.1 0.746
2013 326.3 0.733
2014 327.6 0.719
2015 328.9 0.705
2016 330.2 0.691
2017 331.7 0.677
2018 333.1 0.662
2019 334.7 0.648
2020 336.3 0.633
2021 338.0 0.619
2022 339.8 0.604
2023 341.6 0.589
2024 343.6 0.575
2025 345.6 0.560
2026 347.8 0.546
2027 350.1 0.531
2028 352.5 0.517
2029 355.0 0.504
2030 357.7 0.490


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds23587-0333b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23587-0333 BU 730 (27 Psc) : NOTES
 
 
discov_num notes refcode
BU 730 27 Psc
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23587-0333 BU 730 1997 24 311 0.9 4.90 8.90 G9III O 235840.41-033320.9
23587-0333 BU 730 2008 26 323 0.8 4.90 8.90 G9III O 235840.41-033320.9
23587-0333 BU 730 2009 28 322 0.8 4.90 8.90 G9III NOD 235840.41-033320.9
23587-0333 BU 730 2012 29 326 0.8 4.90 8.90 G9III NOD 235840.41-033320.9
23587-0333 BU 730 2018 32 330 0.7 4.90 8.90 G9III NO 235840.41-033320.9

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

 
 
WDS 23587-0333 BU 730 (27 Psc) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23587-0333 BU 730 (27 Psc) : MEASURES
 
 
No records found.

 
 
WDS 23587-0333 (27 Psc) : VIRTUAL EYEPIECE
 
 

23587-0333 BU 730A mag 4.9 Sp G9III 23587-0333 BU 730B sep 0.7 P.A. 330.20 mag 8.9 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 23587-0333 (27 Psc) : ALADIN DSS IMAGE @ 23h 58m 40.41s -03° 33' 20.9"
 
 
 
 
WDS 23587-0333 BU 730 (27 Psc) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23587-0333 BU 730 distance=0' 23571-0338 JNN 143 distance=25' 23599-0412 CBL 551 distance=44' 23547-0327 OCC 95 distance=60' 23547-0352 TSN 102 distance=63' 23549-0416 CVR1025 distance=71' 23553-0236 JNN 142 distance=77' 23552-0435 CVR1026 distance=81' 23531-0319 J 1429 distance=84' 23549-0438 J 1430 distance=85' 23529-0309 FIN 359 distance=90' 23527-0328 LDS3001 distance=91' 23536-0429 LDS3004 distance=95' 23523-0341 LDS6067 distance=95' 23525-0413 TSN 43 distance=102' 23529-0235 RST2229 distance=105' 23571-0147 BRT 528 distance=109' 23585-0141 RST4735 distance=113' 23546-0157 OCC 126 distance=114' 23538-0511 LDS3006 distance=122' 23531-0520 HDS3391 distance=136' 23537-0140 HJ 3223 distance=137' 23537-0140 OCC 125Aa,Ab distance=137' 23587-0115 SLW1341 distance=139' 23568-0555 LDS6075 distance=145' 23497-0234 LDS2999 distance=147' 23584-0105 HJ 997 distance=149' 23505-0205 RST4733 distance=151' 23536-0548 LDS3005 distance=155' 23508-0145 BRT 527 distance=161' 23557-0609 TSN 213 distance=162' 23571-0615 OCC 678 distance=164' 23479-0246 S 835AB distance=168' 23479-0246 S 835BC distance=171' 23477-0434 RST4730 distance=175' 23482-0505 STE 18 distance=182' 23495-0533 LSC 112 distance=182' 23591-0637 RST4736 distance=184' 23475-0209 LDS5122 distance=187' 23461-0318 A 312 distance=190' 23478-0515 NSN 791 distance=191' 23459-0347 CVR1013 distance=193' 23494-0120 RST4731 distance=194' 23495-0551 RST4732 distance=194' 23457-0309 ITF 238 distance=197' 23508-0616 RST4734 distance=201' 23453-0256 CVR1726 distance=205' 23456-0431 LDS6060 distance=205' 23525-0638 J 1427 distance=206' 23525-0639 J 1428 distance=207' 23474-0131 OCC 978 distance=210' 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 23587-0333 BU 730 330 0.7
Show 23571-0338 JNN 143 282 0.2 25
Show 23599-0412 CBL 551 151 77.1 44
Show 23547-0327 OCC 95 -1 0.1 60
Show 23547-0352 TSN 102 81 684.8 63
Show 23549-0416 CVR1025 189 9.1 71
Show 23553-0236 JNN 142 122 0.7 77
Show 23552-0435 CVR1026 220 21.9 81
Show 23531-0319 J 1429 304 9.2 84
Show 23549-0438 J 1430 17 9.9 85
Show 23529-0309 FIN 359 277 0.1 90
Show 23527-0328 LDS3001 1 6.0 91
Show 23536-0429 LDS3004 5 17.0 95
Show 23523-0341 LDS6067 179 278.1 95
Show 23525-0413 TSN 43 1 532.3 102
Show 23529-0235 RST2229 251 0.8 105
Show 23571-0147 BRT 528 252 4.9 109
Show 23585-0141 RST4735 312 2.0 113
Show 23546-0157 OCC 126 -1 0.1 114
Show 23538-0511 LDS3006 45 6.6 122
Show 23531-0520 HDS3391 261 1.1 136
Show 23537-0140 HJ 3223 353 49.2 137
Show 23537-0140 OCC 125 Aa,Ab -1 0.3 137
Show 23587-0115 SLW1341 136 11.2 139
Show 23568-0555 LDS6075 274 307.2 145
Show 23497-0234 LDS2999 329 9.3 147
Show 23584-0105 HJ 997 76 15.4 149
Show 23505-0205 RST4733 232 0.9 151
Show 23536-0548 LDS3005 10 15.3 155
Show 23508-0145 BRT 527 129 2.8 161
Show 23557-0609 TSN 213 40 0.2 162
Show 23571-0615 OCC 678 -1 0.1 164
Show 23479-0246 S 835 AB 280 182.0 168
Show 23479-0246 S 835 BC 283 57.3 171
Show 23477-0434 RST4730 338 1.1 175
Show 23482-0505 STE 18 281 5.3 182
Show 23495-0533 LSC 112 357 0.2 182
Show 23591-0637 RST4736 50 1.4 184
Show 23475-0209 LDS5122 49 179.4 187
Show 23461-0318 A 312 245 2.2 190
Show 23478-0515 NSN 791 71 24.6 191
Show 23459-0347 CVR1013 78 20.3 193
Show 23494-0120 RST4731 233 1.8 194
Show 23495-0551 RST4732 353 0.8 194
Show 23457-0309 ITF 238 340 3.0 197
Show 23508-0616 RST4734 177 0.9 201
Show 23453-0256 CVR1726 131 3.0 205
Show 23456-0431 LDS6060 32 298.0 205
Show 23525-0638 J 1427 144 6.3 206
Show 23525-0639 J 1428 223 8.9 207
Show 23474-0131 OCC 978 -1 0.0 210

 
 
WDS 23587-0333 : COMPONENTS
 
 
  A
B pa=330.2°
sep=0.72"
 
 
23587-0333 A
 
 
Componente originario normalizzato AB Name 27 Psc Coord arcsec 2000 235840.41-033320.9 Mag 4.9
Spectral class G9III (yellow) PmRA -51.00 PmDE -72.0 SAO 147008
HIP 118209 Tycho2 5256-01131-1 HD 224533 HR 9067
GC 33248 ADS 17137 BD BD-04 5996 Flamsteed 27 Piscium
Flamsteed name 27 Psc FK5 900
Tycho2
Tycho2 5256-01131-1 Pflag RAmdeg 359.66824021 DEmdeg -3.55598079
PmRA -54.6 PmDE -72.1 E RAmdeg 3 E DEmdeg 4
E pmRA 0.5 E pmDE 0.5 EpRAm 1991.36 EpDEm 1990.64
Num 26 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.6 BTmag 6.050 E BTmag 0.014 VTmag 4.989
E VTmag 0.009 Prox 999 TYC T HIP 118209
CCDM RAdeg 359.66836333 DEdeg -3.55581250 EpRA 1990 1.90
EpDE 1990 1.61 E RAdeg 3.1 E DEdeg 3.5 Posflg
Corr -0.4
SAO
SAO 147008 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 -0.068 Vmag 5.1 SpType K0
Double code Source 74 CatNum 900 DM BD-04 5996
DMcomp BDsup HD 224533 M HD 0
GC 33248 RA1950rad 6.26622373 DE1950rad -0.06690545 PmRA2000 -0.0031
PmDE2000 -0.073
Hipparcos
Catalog H HIP 118209 Proxy RAhms 23 58 40.41
DEdms -03 33 20.9 Vmag 4.88 VarFlag R Vmag H
RAdeg 359.668 DEdeg -3.55581 AstroRef Plx 14.58
CCDM 23587-0333 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 224533 BD BD-04 5996
CD CP Dm number -04 5996 VIred 0.92
SpType G9III R SpType Coord arcsec 2000 235840.41-033320.9
Hipparcos 2
HIP 118209 Sn 5 So 0 Nc 1
RArad 6.277397393 DErad -0.0620605495 Plx 13.91 PmRA -57.13
PmDE -72.08 E RArad 0.27 E DErad 0.13 E Plx 0.28
E pmRA 0.38 E pmDE 0.16 Hpmag 5.0432 E Hpmag 0.0005
SHp 0.005 VA 0 BV 0.93 E BV 0
VI 0.92
CCDM
Ccdm 23587-0333 RComp Comp A Note1
Note2 Discov num DRAs -1.57 DDEs -21.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.1 Sp K0 PmNote *
PmRA -50 PmDE -68 Dm number -04 5996 Cat1 BD
Name2 147008 Cat2 SAO HD 224533 M HD
ADS BDS A17137 M ADS BDS N IDS IDS 23536S0407A
HIC 118209
 
 
23587-0333 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 235840.39-033320.3 Mag 8.9 Calc delta mag 4
Calc coord yes
CCDM
Ccdm 23587-0333 RComp Comp B Note1
Note2 Discov num BU 730 DRAs DDEs
R dRAs Year 1958 Theta 292 Rho 1.3
Obs 16 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A17137 M ADS BDS N IDS IDS 23536S0407B
HIC 118209