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Current system
00550-5315
RST 23


Nearby doubles
12' : 00537-5319
KPP1052

21' : 00568-5326
B 646

66' : 01007-5235
I 49

74' : 00496-5410
HJ 3402

79' : 00555-5433
NSN 212

82' : 00539-5436
CPO 108

85' : 00569-5153
B 1418

89' : 00501-5159
SHN 60

90' : 00491-5203
RST 18

91' : 00466-5406
HJ 3397

94' : 00471-5214
TDS1611

94' : 00484-5202
SHN 59

96' : 01056-5317
UC 498

102' : 00437-5330
KPP2837

102' : 00573-5135
NSN 214

105' : 01066-5312
UC 500

106' : 00468-5200
HJ 3398

111' : 00467-5437
TDS1609

114' : 00529-5123
RST 22

117' : 01067-5227
KPP 893

121' : 00482-5459
RST 17

122' : 00423-5234
RST 15

122' : 00426-5407
HJ 3388

123' : 01029-5455
RST 24

125' : 01001-5120
TDS1711

125' : 01082-5241
FIN 69



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

00550-5315 RST 23

 
 
00h 54m 58.45s -53° 14' 39.0" P.A. 326.00 sep 0.4 mag 10.50,10.80 Sp K0
 
 
Coord 2000 00550-5315 Discov num RST  23 Comp Coord arcsec 2000 00 54 58.45 -53 14 39.0
Date first 1928 Date last 2019 Obs 6
Pa first 275 Pa last 326.1 P.A. Now (θ) 326.1°
Sep first 0.3 Sep last 0.421 Sep. Now (ρ) 0.421"
Mag pri 10.50 Mag sec 10.80 delta mag (ΔM) 0.3 Spectral class K0 (yellow-orange)
Pri motion ra +107 Sec motion ra
Pri motion dec -065 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Phoenix
 
 
ORBITAL ELEMENTS
 
 
Period (P)140y± 19 Periastron (T)1973.59y± 1.62 Semi-major axis (a)0.569a± 0.152
Eccentricity (e)0.85± 0.09 Inclination (i)105.9°± 5.7 Longitude of periastron (ω)79.4°± 4.5
Node (Ω)182.3°± 5 Notes ReferenceTok2020e
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 338.6 0.438
2001 338.0 0.439
2002 337.4 0.440
2003 336.8 0.441
2004 336.2 0.441
2005 335.5 0.441
2006 334.9 0.441
2007 334.3 0.441
2008 333.7 0.441
2009 333.1 0.440
2010 332.5 0.439
2011 331.8 0.438
2012 331.2 0.437
2013 330.6 0.435
2014 329.9 0.434
2015 329.3 0.432
2016 328.6 0.430
2017 328.0 0.428
2018 327.3 0.426
2019 326.7 0.424
2020 326.0 0.421
2021 325.3 0.419
2022 324.6 0.416
2023 323.9 0.413
2024 323.2 0.411
2025 322.5 0.408
2026 321.8 0.405
2027 321.0 0.402
2028 320.3 0.398
2029 319.5 0.395
2030 318.7 0.392


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


 
  


wds00550-5315a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00550-5315 RST 23 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00550-5315 RST 23 1978 5 357 0.2 10.50 10.80 K0 005458.45-531439.0
00550-5315 RST 23 2019 6 326 0.4 10.50 10.80 K0 005458.45-531439.0

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

 
 
WDS 00550-5315 RST 23 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00550-5315 RST 23 : MEASURES
 
 
No records found.

 
 
WDS 00550-5315 : VIRTUAL EYEPIECE
 
 

00550-5315 RST 23A mag 10.5 Sp K0 00550-5315 RST 23B sep 0.4 P.A. 338.10 mag 10.8 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 00550-5315 : ALADIN DSS IMAGE @ 00h 54m 58.45s -53° 14' 39.0"
 
 
 
 
WDS 00550-5315 RST 23 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00550-5315 RST 23 distance=0' 00537-5319 KPP1052 distance=12' 00568-5326 B 646 distance=21' 01007-5235 I 49 distance=66' 00496-5410 HJ 3402 distance=74' 00555-5433 NSN 212 distance=79' 00539-5436 CPO 108 distance=82' 00569-5153 B 1418 distance=85' 00501-5159 SHN 60 distance=89' 00491-5203 RST 18 distance=90' 00466-5406 HJ 3397 distance=91' 00471-5214 TDS1611 distance=94' 00484-5202 SHN 59 distance=94' 01056-5317 UC 498 distance=96' 00437-5330 KPP2837 distance=102' 00573-5135 NSN 214 distance=102' 01066-5312 UC 500 distance=105' 00468-5200 HJ 3398 distance=106' 00467-5437 TDS1609 distance=111' 00529-5123 RST 22 distance=114' 01067-5227 KPP 893 distance=117' 00482-5459 RST 17 distance=121' 00423-5234 RST 15 distance=122' 00426-5407 HJ 3388 distance=122' 01029-5455 RST 24 distance=123' 01001-5120 TDS1711 distance=125' 01082-5241 FIN 69 distance=125' 00571-5521 UC 473 distance=129' 01088-5356 B 651 distance=130' 00455-5138 CVN 34 distance=131' 00402-5323 HJ 3383 distance=133' 00552-5530 TSN 14 distance=136' 00433-5452 KPP 60 distance=142' 01036-5516 DLR 1AB distance=143' 01036-5516 DLR 1AC distance=143' 00417-5155 TDS1570 distance=145' 00412-5435 RST 14 distance=146' 00408-5206 HJ 3386AB distance=147' 00408-5206 HJ 3386AC distance=147' 00401-5436 UC 420 distance=155' 01066-5512 TDS1772 distance=155' 00525-5041 CPO 107 distance=155' 01084-5515 RST1205AB (Wurren) distance=169' 01084-5515 RMK 2AB,C distance=169' 00371-5429 RST2249 distance=175' 01006-5602 KPP2278 distance=175' 00492-5028 UC 446 distance=176' 00352-5333 R 4 distance=178' 00437-5543 KPP4428 distance=178' 01148-5331 UC 524 distance=179' 00459-5555 TOI 308 distance=179' 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 00550-5315 RST 23 326 0.4
Show 00537-5319 KPP1052 19 8.4 12
Show 00568-5326 B 646 163 3.3 21
Show 01007-5235 I 49 29 0.3 66
Show 00496-5410 HJ 3402 51 4.2 74
Show 00555-5433 NSN 212 71 2.5 79
Show 00539-5436 CPO 108 320 13.9 82
Show 00569-5153 B 1418 86 0.1 85
Show 00501-5159 SHN 60 -1 0.2 89
Show 00491-5203 RST 18 54 0.5 90
Show 00466-5406 HJ 3397 176 12.0 91
Show 00471-5214 TDS1611 38 1.1 94
Show 00484-5202 SHN 59 -1 0.2 94
Show 01056-5317 UC 498 92 53.4 96
Show 00437-5330 KPP2837 119 2.7 102
Show 00573-5135 NSN 214 351 2.7 102
Show 01066-5312 UC 500 312 17.3 105
Show 00468-5200 HJ 3398 142 29.9 106
Show 00467-5437 TDS1609 173 4.2 111
Show 00529-5123 RST 22 18 1.5 114
Show 01067-5227 KPP 893 5 7.4 117
Show 00482-5459 RST 17 155 1.2 121
Show 00423-5234 RST 15 148 0.2 122
Show 00426-5407 HJ 3388 242 16.7 122
Show 01029-5455 RST 24 117 0.9 123
Show 01001-5120 TDS1711 243 0.7 125
Show 01082-5241 FIN 69 330 5.1 125
Show 00571-5521 UC 473 165 52.4 129
Show 01088-5356 B 651 289 0.2 130
Show 00455-5138 CVN 34 211 9.2 131
Show 00402-5323 HJ 3383 219 7.2 133
Show 00552-5530 TSN 14 358 6.1 136
Show 00433-5452 KPP 60 181 3.4 142
Show 01036-5516 DLR 1 AB 51 0.2 143
Show 01036-5516 DLR 1 AC 336 1.8 143
Show 00417-5155 TDS1570 250 0.6 145
Show 00412-5435 RST 14 147 1.2 146
Show 00408-5206 HJ 3386 AB 46 11.6 147
Show 00408-5206 HJ 3386 AC 235 29.3 147
Show 00401-5436 UC 420 307 23.2 155
Show 01066-5512 TDS1772 141 0.6 155
Show 00525-5041 CPO 107 162 3.5 155
Show Wurren 01084-5515 RST1205 AB 128 0.6 169
Show 01084-5515 RMK 2 AB,C 239 6.8 169
Show 00371-5429 RST2249 118 0.4 175
Show 01006-5602 KPP2278 286 19.2 175
Show 00492-5028 UC 446 198 60.9 176
Show 00352-5333 R 4 91 2.6 178
Show 00437-5543 KPP4428 208 1.7 178
Show 01148-5331 UC 524 125 34.2 179
Show 00459-5555 TOI 308 45 0.2 179

 
 
WDS 00550-5315 : COMPONENTS
 
 
  A
B pa=338.1°
sep=0.38"
 
 
00550-5315 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 005458.45-531439.0 Mag 10.5 Spectral class K0 (yellow-orange)
PmRA 107.00 PmDE -65.0
CCDM
Ccdm 00550-5315 RComp Comp A Note1
Note2 Discov num DRAs -2.34 DDEs 24.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.5 Sp K0 PmNote
PmRA PmDE Dm number -53 210 Cat1 CPD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00505S5347A
HIC
 
 
00550-5315 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 005458.43-531438.7 Mag 10.8 Calc delta mag 0.3
Calc coord yes
CCDM
Ccdm 00550-5315 RComp Comp B Note1
Note2 Discov num RST 23 DRAs DDEs
R dRAs Year 1947 Theta 229 Rho 0.2
Obs 2 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00505S5347B
HIC