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Doubles in session


Current system
01554+0257
A 2407


Nearby doubles
38' : 01556+0335
BAL2096

42' : 01569+0332
LDS3325

46' : 01583+0250
GWP 245

51' : 01548+0208
CVR1088

61' : 01594+0258
A 2410

67' : 01592+0330
LDS3331

67' : 01559+0151
STF 186

69' : 01519+0341
BAL2094

72' : 01556+0146
BU 1367

76' : 01506+0231
HDO 54AB

80' : 01520+0359
BAL2095

82' : 01571+0141
A 2409

83' : 01544+0136
CVR1087

89' : 01497+0235
RST5185

97' : 02013+0218
CLZ 19

97' : 01491+0236
GWP 224

98' : 01504+0359
KPP1970

101' : 01562+0437
BAL2598

101' : 02020+0246
STF 202AB
Alrescha

103' : 01578+0433
KPP1288

106' : 02003+0413
GIC9006

108' : 02022+0225
KPP3147

108' : 01528+0117
GWP 233

110' : 01570+0444
XMI 3

113' : 01523+0440
STT 36

116' : 01598+0432
XMI 4



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.

01554+0257 A 2407

 
 
01h 55m 22.03s +02° 57' 24.1" P.A. 338.00 sep 0.7 mag 10.05,10.50 Sp K0 dist. 45.17 pc (147.34 l.y.)
 
 
Coord 2000 01554+0257 Discov num A  2407 Comp Coord arcsec 2000 01 55 22.03 +02 57 24.1
Date first 1912 Date last 2019 Obs 27
Pa first 104 Pa last 337.7 P.A. Now (θ) 337.7°
Sep first 0.5 Sep last 0.683 Sep. Now (ρ) 0.683"
Mag pri 10.05 Mag sec 10.50 delta mag (ΔM) 0.45 Spectral class K0 (yellow-orange)
Pri motion ra -005 Sec motion ra -005
Pri motion dec -047 Sec motion dec -047
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pisces HIP 8958 Tycho2 0033-00105-1 Gaia DR2 2511741649734880896
ADS 1530 BD BD+02 296 Distance 45.17 Distance ly 147.34
 
 
ORBITAL ELEMENTS
 
 
Period (P)184.4y± 6.2 Periastron (T)1976y± 2.4 Semi-major axis (a)0.757a± 0.012
Eccentricity (e)0.113± 0.024 Inclination (i)48°± 0.9 Longitude of periastron (ω)49.3°± 6.9
Node (Ω)181.2°± 2.3 Notesn ReferenceTok2021c
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 295.1 0.494
2001 298.1 0.502
2002 301.0 0.511
2003 303.8 0.520
2004 306.5 0.530
2005 309.1 0.540
2006 311.7 0.550
2007 314.1 0.561
2008 316.4 0.571
2009 318.6 0.582
2010 320.8 0.593
2011 322.8 0.605
2012 324.8 0.616
2013 326.8 0.627
2014 328.6 0.638
2015 330.4 0.649
2016 332.2 0.659
2017 333.9 0.670
2018 335.5 0.680
2019 337.1 0.690
2020 338.6 0.700
2021 340.1 0.709
2022 341.6 0.718
2023 343.0 0.727
2024 344.4 0.735
2025 345.8 0.743
2026 347.1 0.751
2027 348.4 0.758
2028 349.7 0.764
2029 350.9 0.771
2030 352.2 0.777


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


 
  


wds01554%2B0257d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 01554+0257 A 2407 : NOTES
 
 
discov_num notes refcode
A 2407 A premature orbit has been computed.
 
 
REFERENCES
 
 
refcode metd author reference
Tok2021c orb - Tokovinin, A. 2021IAUDS.203....1S
Tok2021c Inf. Circ. 203, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01554+0257 A 2407 1991 22 261 0.5 10.05 10.50 K0 NO 015522.03+025724.1
01554+0257 A 2407 2008 23 318 0.6 10.05 10.50 K0 NO 015522.03+025724.1
01554+0257 A 2407 2014 24 330 0.6 10.05 10.50 K0 NO 015522.03+025724.1
01554+0257 A 2407 2019 26 338 0.7 10.05 10.50 K0 NO 015522.03+025724.1

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

 
 
WDS 01554+0257 A 2407 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01554+0257 A 2407 : MEASURES
 
 
No records found.

 
 
WDS 01554+0257 : VIRTUAL EYEPIECE
 
 

01554+0257 A 2407A mag 10.05 Sp K0 01554+0257 A 2407B sep 0.7 P.A. 337.70 mag 10.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 01554+0257 : ALADIN DSS IMAGE @ 01h 55m 22.03s +02° 57' 24.1"
 
 
 
 
WDS 01554+0257 A 2407 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01554+0257 A 2407 distance=0' 01556+0335 BAL2096 distance=38' 01569+0332 LDS3325 distance=42' 01583+0250 GWP 245 distance=46' 01548+0208 CVR1088 distance=51' 01594+0258 A 2410 distance=61' 01592+0330 LDS3331 distance=67' 01559+0151 STF 186 distance=67' 01519+0341 BAL2094 distance=69' 01556+0146 BU 1367 distance=72' 01506+0231 HDO 54BC distance=76' 01506+0231 HDO 54AB distance=76' 01506+0231 ABT 1AD distance=76' 01506+0231 HDO 54AC distance=76' 01520+0359 BAL2095 distance=80' 01571+0141 A 2409 distance=82' 01544+0136 CVR1087 distance=83' 01497+0235 RST5185 distance=89' 02013+0218 CLZ 19 distance=97' 01491+0236 GWP 224 distance=97' 01504+0359 KPP1970 distance=98' 01562+0437 BAL2598 distance=101' 02020+0246 STF 202AB (Alrescha) distance=101' 02020+0246 PWL 1AC (Alrescha) distance=101' 02020+0246 PWL 1AD (Alrescha) distance=101' 01578+0433 KPP1288 distance=103' 02003+0413 GIC9006 distance=106' 02022+0225 KPP3147 distance=108' 01528+0117 GWP 233 distance=108' 01570+0444 XMI 3 distance=110' 01523+0440 STT 36 distance=113' 01598+0432 XMI 4 distance=116' 02006+0422 UC 660 distance=116' 02021+0355 OSV 1 distance=117' 02020+0154 LDS3337 distance=118' 01517+0113 A 2406AB distance=118' 01517+0113 DAM 770AC distance=118' 02001+0115 BAL 954 distance=125' 01515+0457 STF 177 distance=127' 02039+0242 LDS3341 distance=129' 01560+0046 RST5186 distance=131' 01474+0355 HJ 2084 distance=133' 01465+0242 WSP 76 distance=134' 02024+0419 SCA 172AB distance=134' 02024+0419 SCA 172AC distance=134' 01497+0114 LDS3317 distance=134' 01571+0046 WSP 71 distance=135' 01467+0214 GWP 222 distance=137' 02017-0645 CAB 19 distance=139' 01518-0046 CVR1084 distance=142' 02007+0456 A 2324DC distance=143' 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 01554+0257 A 2407 338 0.7
Show 01556+0335 BAL2096 22 2.9 38
Show 01569+0332 LDS3325 241 9.2 42
Show 01583+0250 GWP 245 226 11.0 46
Show 01548+0208 CVR1088 264 3.5 51
Show 01594+0258 A 2410 221 2.7 61
Show 01592+0330 LDS3331 52 3.9 67
Show 01559+0151 STF 186 77 0.6 67
Show 01519+0341 BAL2094 102 20.5 69
Show 01556+0146 BU 1367 97 0.8 72
Show 01506+0231 HDO 54 BC 226 18.3 76
Show 01506+0231 HDO 54 AB 117 4.6 76
Show 01506+0231 ABT 1 AD 209 70.0 76
Show 01506+0231 HDO 54 AC 214 17.2 76
Show 01520+0359 BAL2095 204 8.1 80
Show 01571+0141 A 2409 26 2.5 82
Show 01544+0136 CVR1087 338 3.2 83
Show 01497+0235 RST5185 108 2.3 89
Show 02013+0218 CLZ 19 151 64.1 97
Show 01491+0236 GWP 224 336 18.9 97
Show 01504+0359 KPP1970 256 15.6 98
Show 01562+0437 BAL2598 99 20.4 101
Show Alrescha 02020+0246 STF 202 AB 264 1.9 101
Show Alrescha 02020+0246 PWL 1 AC 63 404.9 101
Show Alrescha 02020+0246 PWL 1 AD 335 434.5 101
Show 01578+0433 KPP1288 313 9.8 103
Show 02003+0413 GIC9006 217 1.9 106
Show 02022+0225 KPP3147 187 2.0 108
Show 01528+0117 GWP 233 211 5.7 108
Show 01570+0444 XMI 3 191 20.3 110
Show 01523+0440 STT 36 -1 -1.0 113
Show 01598+0432 XMI 4 144 26.4 116
Show 02006+0422 UC 660 98 42.7 116
Show 02021+0355 OSV 1 16 17.6 117
Show 02020+0154 LDS3337 80 1.5 118
Show 01517+0113 A 2406 AB 54 0.9 118
Show 01517+0113 DAM 770 AC 142 3.5 118
Show 02001+0115 BAL 954 303 6.7 125
Show 01515+0457 STF 177 121 30.8 127
Show 02039+0242 LDS3341 60 13.8 129
Show 01560+0046 RST5186 352 1.2 131
Show 01474+0355 HJ 2084 332 17.6 133
Show 01465+0242 WSP 76 216 0.4 134
Show 02024+0419 SCA 172 AB 128 0.4 134
Show 02024+0419 SCA 172 AC 337 14.5 134
Show 01497+0114 LDS3317 205 1.8 134
Show 01571+0046 WSP 71 23 6.4 135
Show 01467+0214 GWP 222 78 50.2 137
Show 02017-0645 CAB 19 167 10.5 139
Show 01518-0046 CVR1084 190 3.1 142
Show 02007+0456 A 2324 DC 21 87.9 143

 
 
WDS 01554+0257 : COMPONENTS
 
 
  A
B pa=337.7°
sep=0.68"
 
 
01554+0257 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 015522.03+025724.1 Mag 10.05 Spectral class K0 (yellow-orange)
PmRA -5.00 PmDE -47.0 HIP 8958 Tycho2 0033-00105-1
BD BD+02 296
Tycho2
Tycho2 0033-00105-1 Pflag RAmdeg 28.84172712 DEmdeg 2.95670338
PmRA -4.5 PmDE -47.0 E RAmdeg 18 E DEmdeg 21
E pmRA 1.2 E pmDE 1.2 EpRAm 1987.70 EpDEm 1984.96
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.708 E BTmag 0.050 VTmag 9.588
E VTmag 0.029 Prox 999 TYC T HIP 8958
CCDM AB RAdeg 28.84173806 DEdeg 2.95680806 EpRA 1990 1.86
EpDE 1990 1.65 E RAdeg 20.3 E DEdeg 24.7 Posflg P
Corr 0.1
Hipparcos
Catalog H HIP 8958 Proxy H RAhms 01 55 22.02
DEdms +02 57 24.5 Vmag 9.36 VarFlag R Vmag H
RAdeg 28.8417 DEdeg 2.95682 AstroRef A Plx 23.17
CCDM 01554+0257 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 267 Rho 0.472 HD BD BD+02 296
CD CP Dm number +02 296 VIred 1.16
SpType K0 R SpType Coord arcsec 2000 015522.02+025724.5
Hipparcos 2
HIP 8958 Sn 15 So 3 Nc 2
RArad 0.5033834841 DErad 0.0516062102 Plx 22.14 PmRA -3.69
PmDE -55.47 E RArad 1.93 E DErad 1.18 E Plx 1.99
E pmRA 2.31 E pmDE 1.44 Hpmag 9.517 E Hpmag 0.0044
SHp 0.03 VA 0 BV 0.94 E BV 0.045
VI 0.93
CCDM
Ccdm 01554+0257 RComp Comp A Note1
Note2 Discov num DRAs -1.95 DDEs 23.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp K0 PmNote *
PmRA 6 PmDE -60 Dm number +02 296 Cat1 BD
Name2 +02 193 Cat2 AGK2/3 HD M HD
ADS BDS A 1530 M ADS BDS N IDS IDS 01502N0228A
HIC 8958
 
 
01554+0257 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 015522.01+025724.7 Mag 10.5 PmRA -5.00
PmDE -47.0 Calc delta mag 0.45 Calc coord yes
CCDM
Ccdm 01554+0257 RComp Comp B Note1 *
Note2 Discov num A 2407 DRAs DDEs
R dRAs Year 1960 Theta 190 Rho 0.7
Obs 12 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1530 M ADS BDS N IDS IDS 01502N0228B
HIC 8958