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Current system
00420-5547
MLO 1
HD 4001


Nearby doubles
15' : 00437-5543
KPP4428

35' : 00459-5555
TOI 308

35' : 00416-5621
RNR 1

44' : 00418-5630
HJ 3387

56' : 00433-5452
KPP 60

60' : 00360-5515
KPP2374

72' : 00378-5649
TDS1551

72' : 00482-5459
RST 17

72' : 00412-5435
RST 14

73' : 00401-5436
UC 420

78' : 00335-5520
I 45AB

81' : 00356-5647
UC 397

81' : 00467-5437
TDS1609

86' : 00320-5531
TSN 4

89' : 00371-5429
RST2249

100' : 00426-5407
HJ 3388

102' : 00434-5728
HJ 3391AB

104' : 00517-5652
KPP3434

109' : 00466-5406
HJ 3397

113' : 00287-5544
RSS 43

113' : 00552-5530
TSN 14

116' : 00298-5642
HJ 3371

118' : 00496-5410
HJ 3402

119' : 00519-5712
TDS1642

123' : 00299-5442
LDS 834

125' : 00539-5436
CPO 108



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.

00420-5547 MLO 1 (HD 4001)

 
 
00h 41m 59.78s -55° 46' 55.4" P.A. 165.00 sep 6.0 mag 8.03,8.96 Sp F7III/IV dist. 89.69 pc (292.57 l.y.)
 
 
Coord 2000 00420-5547 Discov num MLO   1 Comp Coord arcsec 2000 00 41 59.78 -55 46 55.4
Date first 1877 Date last 2017 Obs 25
Pa first 159 Pa last 165 P.A. Now (θ) 165°
Sep first 7.1 Sep last 6 Sep. Now (ρ) 6"
Mag pri 8.03 Mag sec 8.96 delta mag (ΔM) 0.93 Spectral class F7III/IV (yellow-white)
Pri motion ra -043 Sec motion ra -042
Pri motion dec -026 Sec motion dec -031
Notes
rPM=0.098 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4001 Constellation Phoenix SAO 232154 HIP 3290
Tycho2 8469-00242-1 Gaia DR2 4920410539701878656 HD 4001 GC 839
CP CP-56 132 Distance 89.69 Distance ly 292.57
 
 
WDS 00420-5547 MLO 1 (HD 4001) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
MlO1881 T - Walker, G.J. 1881Obs.....4..249W
MlO1881 Observatory 4, 249, 1881
MlO1927A Pa - Melbourne Obs. 1927sdsc.book......
MlO1927A cited in SDS (Southern Double Star Cat.), 1927
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00420-5547 MLO 1 1999 18 161 6.3 8.03 8.96 F7III/IV D 004159.78-554655.4
00420-5547 MLO 1 2016 22 162 6.6 8.03 8.96 F7III/IV 004159.78-554655.4
00420-5547 MLO 1 2017 23 165 6.0 8.03 8.96 F7III/IV 004159.78-554655.4

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

 
 
WDS 00420-5547 MLO 1 (HD 4001) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00420-5547 MLO 1 (HD 4001) : MEASURES
 
 
No records found.

 
 
WDS 00420-5547 (HD 4001) : VIRTUAL EYEPIECE
 
 

00420-5547 MLO 1A mag 8.03 Sp F7III/IV 00420-5547 MLO 1B sep 5.9 P.A. 171.40 mag 8.96 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00420-5547 (HD 4001) : ALADIN DSS IMAGE @ 00h 41m 59.78s -55° 46' 55.4"
 
 
 
 
WDS 00420-5547 MLO 1 (HD 4001) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00420-5547 MLO 1 distance=0' 00437-5543 KPP4428 distance=15' 00459-5555 TOI 308 distance=35' 00416-5621 RNR 1 distance=35' 00418-5630 HJ 3387 distance=44' 00433-5452 KPP 60 distance=56' 00360-5515 KPP2374 distance=60' 00378-5649 TDS1551 distance=72' 00482-5459 RST 17 distance=72' 00412-5435 RST 14 distance=72' 00401-5436 UC 420 distance=73' 00335-5520 I 45AB distance=78' 00335-5520 HJ 3376AB,C distance=78' 00356-5647 UC 397 distance=81' 00467-5437 TDS1609 distance=81' 00320-5531 TSN 4 distance=86' 00371-5429 RST2249 distance=89' 00426-5407 HJ 3388 distance=100' 00434-5728 HJ 3391AB distance=102' 00434-5728 MRN 1Aa,Ab distance=102' 00517-5652 KPP3434 distance=104' 00466-5406 HJ 3397 distance=109' 00287-5544 RSS 43 distance=113' 00552-5530 TSN 14 distance=113' 00298-5642 HJ 3371 distance=116' 00496-5410 HJ 3402 distance=118' 00519-5712 TDS1642 distance=119' 00299-5442 LDS 834 distance=123' 00539-5436 CPO 108 distance=125' 00274-5523 KPP 55 distance=127' 00566-5633 LPO 1 distance=131' 00571-5521 UC 473 distance=131' 00282-5437 I 44 distance=137' 00555-5433 NSN 212 distance=138' 00437-5330 KPP2837 distance=138' 00579-5632 CBL 590 distance=141' 00498-5757 TDS1633 distance=145' 00402-5323 HJ 3383 distance=146' 00352-5333 R 4 distance=147' 00291-5405 TDS1487 distance=151' 00239-5620 LDS 16AB distance=155' 00239-5620 LDS 16Aa,Ab distance=155' 01006-5602 KPP2278 distance=158' 00366-5819 KPP2833 distance=159' 00237-5643 RST 8 distance=163' 01012-5610 HJ 3412AB distance=163' 01012-5610 HJ 3412AC distance=163' 00425-5836 TDS1577 distance=170' 00581-5742 B 1027 distance=176' 00359-5838 TDS1539 distance=179' 00537-5319 KPP1052 distance=180' 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 00420-5547 MLO 1 165 6.0
Show 00437-5543 KPP4428 208 1.7 15
Show 00459-5555 TOI 308 45 0.2 35
Show 00416-5621 RNR 1 44 0.1 35
Show 00418-5630 HJ 3387 252 13.1 44
Show 00433-5452 KPP 60 181 3.4 56
Show 00360-5515 KPP2374 192 20.4 60
Show 00378-5649 TDS1551 29 1.0 72
Show 00482-5459 RST 17 155 1.2 72
Show 00412-5435 RST 14 147 1.2 72
Show 00401-5436 UC 420 307 23.2 73
Show 00335-5520 I 45 AB 204 0.8 78
Show 00335-5520 HJ 3376 AB,C 242 7.0 78
Show 00356-5647 UC 397 241 31.0 81
Show 00467-5437 TDS1609 173 4.2 81
Show 00320-5531 TSN 4 71 349.0 86
Show 00371-5429 RST2249 118 0.4 89
Show 00426-5407 HJ 3388 242 16.7 100
Show 00434-5728 HJ 3391 AB 218 20.1 102
Show 00434-5728 MRN 1 Aa,Ab 99 0.1 102
Show 00517-5652 KPP3434 337 1.6 104
Show 00466-5406 HJ 3397 176 12.0 109
Show 00287-5544 RSS 43 127 24.7 113
Show 00552-5530 TSN 14 358 6.1 113
Show 00298-5642 HJ 3371 335 10.3 116
Show 00496-5410 HJ 3402 51 4.2 118
Show 00519-5712 TDS1642 216 0.7 119
Show 00299-5442 LDS 834 314 3.3 123
Show 00539-5436 CPO 108 320 13.9 125
Show 00274-5523 KPP 55 347 3.9 127
Show 00566-5633 LPO 1 348 3.3 131
Show 00571-5521 UC 473 165 52.4 131
Show 00282-5437 I 44 263 0.5 137
Show 00555-5433 NSN 212 71 2.5 138
Show 00437-5330 KPP2837 119 2.7 138
Show 00579-5632 CBL 590 55 38.6 141
Show 00498-5757 TDS1633 17 0.9 145
Show 00402-5323 HJ 3383 219 7.2 146
Show 00352-5333 R 4 91 2.6 147
Show 00291-5405 TDS1487 280 0.5 151
Show 00239-5620 LDS 16 AB 57 91.8 155
Show 00239-5620 LDS 16 Aa,Ab 281 2.9 155
Show 01006-5602 KPP2278 286 19.2 158
Show 00366-5819 KPP2833 131 5.0 159
Show 00237-5643 RST 8 218 1.3 163
Show 01012-5610 HJ 3412 AB 124 32.6 163
Show 01012-5610 HJ 3412 AC 343 24.9 163
Show 00425-5836 TDS1577 230 2.3 170
Show 00581-5742 B 1027 66 1.1 176
Show 00359-5838 TDS1539 1 0.4 179
Show 00537-5319 KPP1052 19 8.4 180

 
 
WDS 00420-5547 : COMPONENTS
 
 
  A
B pa=171.4°
sep=5.86"
 
 
00420-5547 A
 
 
Componente originario normalizzato AB Name HD 4001 Coord arcsec 2000 004159.78-554655.4 Mag 8.03
Spectral class F7III/IV (yellow-white) PmRA -43.00 PmDE -26.0 SAO 232154
HIP 3290 Tycho2 8469-00242-1 HD 4001 GC 839
CP CP-56 132
Tycho2
Tycho2 8469-00242-1 Pflag RAmdeg 10.49908312 DEmdeg -55.78205817
PmRA -58.1 PmDE -0.9 E RAmdeg 5 E DEmdeg 6
E pmRA 1.4 E pmDE 1.8 EpRAm 1991.14 EpDEm 1991.16
Num 9 Q RAmdeg 4.6 Q DEmdeg 8.2 Q pmRA 4.9
Q pmDE 8.1 BTmag 8.578 E BTmag 0.017 VTmag 8.032
E VTmag 0.011 Prox 63 TYC T HIP 3290
CCDM A RAdeg 10.49932222 DEdeg -55.78205389 EpRA 1990 1.60
EpDE 1990 1.49 E RAdeg 5.1 E DEdeg 5.7 Posflg
Corr -0.1
SAO
SAO 232154 DelFlag RA1950 PmRA1950 -0.005
DE1950 PmDE1950 -0.03 Vmag 8.1 SpType G0
Double code Source 70 CatNum 839 DM CP-56 132
DMcomp A BDsup HD 4001 M HD 0
GC 839 RA1950rad 0.17335036 DE1950rad -0.97835758 PmRA2000 -0.0052
PmDE2000 -0.036
Hipparcos
Catalog H HIP 3290 Proxy H RAhms 00 41 59.84
DEdms -55 46 55.4 Vmag 7.65 VarFlag R Vmag H
RAdeg 10.4993 DEdeg -55.7821 AstroRef A Plx 10.33
CCDM 00420-5547 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 161 Rho 6.315 HD 4001 BD
CD CP CP-56 132 Dm number -56 132 VIred 0.59
SpType F7III/IV R SpType Coord arcsec 2000 004159.84-554655.4
Hipparcos 2
HIP 3290 Sn 15 So 3 Nc 2
RArad 0.1832477716 DErad -0.9735804609 Plx 11.15 PmRA -41.5
PmDE -31.46 E RArad 0.77 E DErad 0.7 E Plx 1.05
E pmRA 0.9 E pmDE 0.89 Hpmag 7.7573 E Hpmag 0.0019
SHp 0.015 VA 0 BV 0.492 E BV 0.012
VI 0.56
CCDM
Ccdm 00420-5547 RComp Comp A Note1
Note2 Discov num DRAs -0.25 DDEs 4.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp G0 PmNote *
PmRA -43 PmDE -30 Dm number -56 132 Cat1 CPD
Name2 232154 Cat2 SAO HD 4001 M HD
ADS BDS M ADS BDS N IDS IDS 00374S5620A
HIC 3290
 
 
00420-5547 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 004159.88-554701.2 Mag 8.96 PmRA -42.00
PmDE -31.0 Tycho2 8469-01597-1 Calc delta mag 0.93 Calc coord yes
Tycho2
Tycho2 8469-01597-1 Pflag RAmdeg 10.50012159 DEmdeg -55.78377927
PmRA -40.1 PmDE -30.6 E RAmdeg 8 E DEmdeg 12
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.64 EpDEm 1991.19
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.9 Q pmRA 0.3
Q pmDE 1.9 BTmag 9.534 E BTmag 0.021 VTmag 8.961
E VTmag 0.016 Prox 63 TYC T HIP 3290
CCDM B RAdeg 10.50028528 DEdeg -55.78370667 EpRA 1990 1.75
EpDE 1990 1.46 E RAdeg 8.4 E DEdeg 11.7 Posflg
Corr -0.2
CCDM
Ccdm 00420-5547 RComp Comp B Note1
Note2 Discov num MLO 1 DRAs -0.06 DDEs -0.3
R dRAs 10 Year 1953 Theta 162 Rho 6.3
Obs 9 Vmag 8.6 Sp PmNote *
PmRA -43 PmDE -4 Dm number Cat1
Name2 232155 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 00374S5620B
HIC 3290