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Doubles in session


Current system
00427-6537
I 440
HD 4125


Nearby doubles
13' : 00427-6524
UC 425

28' : 00384-6545
KPP2800

40' : 00469-6606
NSN 176

42' : 00494-6540
TDS1632

48' : 00485-6506
HJ 3400

56' : 00495-6500
RST 19

57' : 00389-6445
RST 13

59' : 00517-6520
HJ 3405

61' : 00520-6520
HJ 3406

63' : 00523-6523
DAW 183

75' : 00547-6528
HJ 3408

78' : 00547-6558
LDS9105

86' : 00448-6412
KPP2611

89' : 00396-6703
UC 416

91' : 00282-6555
R 3AB

93' : 00469-6408
UC 438

97' : 00383-6405
TDS1555

97' : 00575-6607
DAM 394

99' : 00584-6605
DON1058AB

100' : 00529-6654
RSS 46

104' : 00282-6447
HJ 3369AB

108' : 00312-6418
MLO 11AB

109' : 00579-6634
I 48

116' : 00250-6618
UC 362

119' : 00308-6711
UC 383

129' : 00568-6405
COO 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.

00427-6537 I 440 (HD 4125)

 
 
00h 42m 41.37s -65° 36' 30.6" P.A. 269.00 sep 0.4 mag 7.27,8.75 Sp A6V dist. 177.3 pc (578.35 l.y.)
 
 
Coord 2000 00427-6537 Discov num I   440 Comp Coord arcsec 2000 00 42 41.37 -65 36 30.6
Date first 1907 Date last 2009 Obs 17
Pa first 220 Pa last 269.4 P.A. Now (θ) 269.4°
Sep first 0.4 Sep last 0.402 Sep. Now (ρ) 0.402"
Mag pri 7.27 Mag sec 8.75 delta mag (ΔM) 1.48 Spectral class A6V (white)
Pri motion ra +038 Sec motion ra +038
Pri motion dec -003 Sec motion dec -003
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4125 Constellation Tucana SAO 248239 HIP 3351
Tycho2 8847-00332-1 HD 4125 GC 855 CP CP-66 50
Distance 177.3 Distance ly 578.35
 
 
ORBITAL ELEMENTS
 
 
Period (P)196y Periastron (T)2142y Semi-major axis (a)0.274a
Eccentricity (e)0.65 Inclination (i)157° Longitude of periastron (ω)344°
Node (Ω)57° Notesn ReferenceHrt2010a
Equinox2000 Last observation2009 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 275.8 0.372
2001 275.1 0.375
2002 274.4 0.378
2003 273.7 0.382
2004 273.1 0.385
2005 272.4 0.388
2006 271.8 0.391
2007 271.2 0.394
2008 270.6 0.397
2009 269.9 0.399
2010 269.3 0.402
2011 268.8 0.405
2012 268.2 0.407
2013 267.6 0.410
2014 267.0 0.412
2015 266.5 0.414
2016 265.9 0.417
2017 265.3 0.419
2018 264.8 0.421
2019 264.3 0.423
2020 263.7 0.425
2021 263.2 0.427
2022 262.7 0.429
2023 262.1 0.430
2024 261.6 0.432
2025 261.1 0.433
2026 260.6 0.435
2027 260.1 0.436
2028 259.6 0.438
2029 259.1 0.439
2030 258.6 0.440


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


 
  


wds00427-6537a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00427-6537 I 440 (HD 4125) : NOTES
 
 
discov_num notes refcode
I 440 Probable rapid motion, as yet undefined by the measures.
Derived orbital parallax 0".00685, mass sum 4.91 +/- 2.94 Msun Lin2004a
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2010a orb - Hartkopf, W.I. & Mason, B.D. 2010IAUDS.170....1H
Hrt2010a Inf. Circ. 170, 1, 2010
Lin2004a orb - Ling, J.F. 2004AJ....153..545L
Lin2004a AJ 153, 545, 2004
Lin2004a (all orbits also published in Inf. Circs. 1999-2003)
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00427-6537 I 440 1991 13 278 0.4 7.27 8.75 A6V NOD 004241.37-653630.6
00427-6537 I 440 2008 16 270 0.4 7.27 8.75 A6V NOD 004241.37-653630.6
00427-6537 I 440 2009 17 269 0.4 7.27 8.75 A6V NOD 004241.37-653630.6

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

 
 
WDS 00427-6537 I 440 (HD 4125) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00427-6537 I 440 (HD 4125) : MEASURES
 
 
No records found.

 
 
WDS 00427-6537 (HD 4125) : VIRTUAL EYEPIECE
 
 

00427-6537 I 440A mag 7.27 Sp A6V 00427-6537 I 440B sep 0.2 P.A. 268.50 mag 8.75 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 00427-6537 (HD 4125) : ALADIN DSS IMAGE @ 00h 42m 41.37s -65° 36' 30.6"
 
 
 
 
WDS 00427-6537 I 440 (HD 4125) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00427-6537 I 440 distance=0' 00427-6524 UC 425 distance=13' 00384-6545 KPP2800 distance=28' 00469-6606 NSN 176 distance=40' 00494-6540 TDS1632 distance=42' 00485-6506 HJ 3400 distance=48' 00495-6500 RST 19 distance=56' 00389-6445 RST 13 distance=57' 00517-6520 HJ 3405 distance=59' 00520-6520 HJ 3406 distance=61' 00523-6523 DAW 183 distance=63' 00547-6528 HJ 3408 distance=75' 00547-6558 LDS9105 distance=78' 00448-6412 KPP2611 distance=86' 00396-6703 UC 416 distance=89' 00282-6555 R 3AB distance=91' 00282-6555 HJ 3370AC distance=91' 00469-6408 UC 438 distance=93' 00383-6405 TDS1555 distance=97' 00575-6607 DAM 394 distance=97' 00584-6605 DON1058AB distance=99' 00584-6605 BAU 6AC distance=99' 00529-6654 RSS 46 distance=100' 00282-6447 HJ 3369AB distance=104' 00282-6447 BAU 3AC distance=104' 00312-6418 MLO 11AB distance=108' 00312-6418 BAU 5AC distance=108' 00579-6634 I 48 distance=109' 00250-6618 UC 362 distance=116' 00308-6711 UC 383 distance=119' 00568-6405 COO 4 distance=129' 00464-6328 TOI9001 distance=131' 00548-6727 GLI 7 distance=132' 00564-6357 WIS 19 distance=132' 00457-6752 TOK 811 distance=138' 00572-6730 TOI 180 distance=143' 00543-6746 WIS 18 distance=147' 00325-6800 DON 7 distance=157' 00268-6743 HJ 3366 distance=158' 00310-6804 UC 385 distance=164' 00323-6304 LDS9092 distance=166' 00315-6257 B 8Ea,Eb distance=168' 00315-6257 SHY 116EH distance=168' 00315-6257 SHY 116EF distance=168' 00391-6249 HJ 3382 distance=170' 00237-6742 VOU 16 distance=170' 00315-6257 I 260CD distance=175' 00315-6257 B 7AB distance=175' 00315-6257 LCL 119AC distance=175' 00315-6257 SHY 114AE distance=175' 00315-6257 SHY 114AG distance=175' 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 00427-6537 I 440 269 0.4
Show 00427-6524 UC 425 353 12.2 13
Show 00384-6545 KPP2800 231 1.1 28
Show 00469-6606 NSN 176 212 3.0 40
Show 00494-6540 TDS1632 313 0.8 42
Show 00485-6506 HJ 3400 140 5.6 48
Show 00495-6500 RST 19 6 0.4 56
Show 00389-6445 RST 13 340 1.1 57
Show 00517-6520 HJ 3405 337 12.8 59
Show 00520-6520 HJ 3406 231 34.2 61
Show 00523-6523 DAW 183 93 5.7 63
Show 00547-6528 HJ 3408 215 16.3 75
Show 00547-6558 LDS9105 201 6.8 78
Show 00448-6412 KPP2611 246 23.9 86
Show 00396-6703 UC 416 219 58.8 89
Show 00282-6555 R 3 AB 242 1.6 91
Show 00282-6555 HJ 3370 AC 69 50.7 91
Show 00469-6408 UC 438 28 28.9 93
Show 00383-6405 TDS1555 271 0.4 97
Show 00575-6607 DAM 394 215 5.2 97
Show 00584-6605 DON1058 AB 131 6.6 99
Show 00584-6605 BAU 6 AC 99 38.6 99
Show 00529-6654 RSS 46 156 8.1 100
Show 00282-6447 HJ 3369 AB 342 15.1 104
Show 00282-6447 BAU 3 AC 283 53.3 104
Show 00312-6418 MLO 11 AB 276 3.6 108
Show 00312-6418 BAU 5 AC 316 41.7 108
Show 00579-6634 I 48 36 0.3 109
Show 00250-6618 UC 362 38 18.0 116
Show 00308-6711 UC 383 42 22.1 119
Show 00568-6405 COO 4 246 2.6 129
Show 00464-6328 TOI9001 44 0.5 131
Show 00548-6727 GLI 7 97 18.6 132
Show 00564-6357 WIS 19 163 999.9 132
Show 00457-6752 TOK 811 329 0.1 138
Show 00572-6730 TOI 180 64 1.3 143
Show 00543-6746 WIS 18 357 711.2 147
Show 00325-6800 DON 7 259 0.5 157
Show 00268-6743 HJ 3366 352 20.6 158
Show 00310-6804 UC 385 194 30.4 164
Show 00323-6304 LDS9092 131 1.1 166
Show 00315-6257 B 8 Ea,Eb 171 0.1 168
Show 00315-6257 SHY 116 EH 330 999.9 168
Show 00315-6257 SHY 116 EF 12 999.9 168
Show 00391-6249 HJ 3382 228 25.9 170
Show 00237-6742 VOU 16 315 2.0 170
Show 00315-6257 I 260 CD 330 0.4 175
Show 00315-6257 B 7 AB 153 2.6 175
Show 00315-6257 LCL 119 AC 168 27.1 175
Show 00315-6257 SHY 114 AE 118 548.9 175
Show 00315-6257 SHY 114 AG 251 999.9 175

 
 
WDS 00427-6537 : COMPONENTS
 
 
  A
B pa=268.5°
sep=0.17"
 
 
00427-6537 A
 
 
Componente originario normalizzato AB Name HD 4125 Coord arcsec 2000 004241.37-653630.6 Mag 7.27
Spectral class A6V (white) PmRA 38.00 PmDE -3.0 SAO 248239
HIP 3351 Tycho2 8847-00332-1 HD 4125 GC 855
CP CP-66 50
Tycho2
Tycho2 8847-00332-1 Pflag RAmdeg 10.67232321 DEmdeg -65.60848608
PmRA 38.2 PmDE -3.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.47 EpDEm 1991.48
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 7.262 E BTmag 0.015 VTmag 7.057
E VTmag 0.010 Prox 999 TYC T HIP 3351
CCDM AB RAdeg 10.67211083 DEdeg -65.60847917 EpRA 1990 1.72
EpDE 1990 1.73 E RAdeg 4.0 E DEdeg 3.9 Posflg P
Corr 0.1
SAO
SAO 248239 DelFlag RA1950 PmRA1950 0.0055
DE1950 PmDE1950 -0.012 Vmag 7.1 SpType A3
Double code Source 70 CatNum 855 DM CP-66 50
DMcomp BDsup HD 4125 M HD 0
GC 855 RA1950rad 0.17700867 DE1950rad -1.14986645 PmRA2000 0.0045
PmDE2000 -0.016
Hipparcos
Catalog H HIP 3351 Proxy H RAhms 00 42 41.32
DEdms -65 36 30.5 Vmag 7.01 VarFlag R Vmag H
RAdeg 10.6722 DEdeg -65.6085 AstroRef A Plx 6.41
CCDM 00427-6537 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 281 Rho 0.338 HD 4125 BD
CD CP CP-66 50 Dm number -66 50 VIred 0.17
SpType A6V R SpType Coord arcsec 2000 004241.32-653630.5
Hipparcos 2
HIP 3351 Sn 15 So 3 Nc 2
RArad 0.1862646528 DErad -1.1450840942 Plx 5.64 PmRA 40.18
PmDE -4.31 E RArad 0.45 E DErad 0.39 E Plx 0.51
E pmRA 0.51 E pmDE 0.49 Hpmag 7.0689 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.192 E BV 0.008
VI 0.21
CCDM
Ccdm 00427-6537 RComp Comp A Note1
Note2 Discov num DRAs -0.75 DDEs 28.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp A3 PmNote *
PmRA 33 PmDE -11 Dm number -66 50 Cat1 CPD
Name2 248239 Cat2 SAO HD 4125 M HD
ADS BDS M ADS BDS N IDS IDS 00384S6609A
HIC 3351
 
 
00427-6537 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 004241.34-653630.6 Mag 8.75 PmRA 38.00
PmDE -3.0 Calc delta mag 1.48 Calc coord yes
CCDM
Ccdm 00427-6537 RComp Comp B Note1
Note2 Discov num I 440 DRAs DDEs
R dRAs Year 1928 Theta 354 Rho 0.1
Obs 5 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00384S6609B
HIC 3351