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Doubles in session


Current system
04400+2301
HU 442
HD 29538


Nearby doubles
16' : 04395+2316
POU 471

17' : 04393+2248
LEI 22

24' : 04382+2302
KOH 17

25' : 04417+2302
KSA 29AB

28' : 04419+2308
POU 473

30' : 04417+2244
STF 579

31' : 04384+2241
LDS6137

32' : 04422+2257
S 455AB

32' : 04387+2327
POU 469

39' : 04401+2339
POU 472

40' : 04427+2314
OCC 319

41' : 04393+2221
KSA 25AB

42' : 04427+2317
POU 475

42' : 04426+2241
CVR 453

43' : 04381+2334
POU 468

46' : 04416+2341
LDS6139

47' : 04368+2246
LDS6136

49' : 04394+2349
POU 470

51' : 04368+2237
LDS6135

56' : 04423+2345
POU 474

56' : 04431+2227
KPP 23

57' : 04359+2255
LEI 20

57' : 04359+2254
LEI 21AB

61' : 04359+2323
POU 463

62' : 04363+2337
LDS5577

65' : 04353+2254
KSA 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.

04400+2301 HU 442 (HD 29538)

 
 
04h 39m 59.09s +23° 00' 52.4" P.A. 110.00 sep 0.2 mag 9.30,9.90 Sp A2
 
 
Coord 2000 04400+2301 Discov num HU  442 Comp Coord arcsec 2000 04 39 59.09 +23 00 52.4
Date first 1901 Date last 2007 Obs 16
Pa first 334 Pa last 109.8 P.A. Now (θ) 109.8°
Sep first 0.4 Sep last 0.177 Sep. Now (ρ) 0.177"
Mag pri 9.30 Mag sec 9.90 delta mag (ΔM) 0.6 Spectral class A2 (white)
Pri motion ra +004 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 29538 Constellation Taurus SAO 76694 Tycho2 1830-01132-1
Gaia DR2 146496116082607616 HD 29538 ADS 3370
 
 
ORBITAL ELEMENTS
 
 
Period (P)140.23y± 3.67 Periastron (T)1997.53y± 0.98 Semi-major axis (a)0.26a± 0.017
Eccentricity (e)0.716± 0.017 Inclination (i)28.1°± 9.4 Longitude of periastron (ω)3.9°± 24.8
Node (Ω)165.6°± 21.1 Notes ReferenceHrt2009
Equinox Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 215.3 0.080
2001 230.7 0.087
2002 243.7 0.095
2003 254.4 0.105
2004 263.1 0.116
2005 270.4 0.127
2006 276.5 0.139
2007 281.6 0.150
2008 286.0 0.161
2009 289.9 0.172
2010 293.3 0.183
2011 296.3 0.193
2012 299.0 0.204
2013 301.5 0.214
2014 303.7 0.224
2015 305.8 0.233
2016 307.6 0.242
2017 309.4 0.251
2018 311.0 0.260
2019 312.6 0.268
2020 314.0 0.276
2021 315.4 0.284
2022 316.7 0.292
2023 317.9 0.299
2024 319.1 0.306
2025 320.2 0.313
2026 321.2 0.320
2027 322.3 0.326
2028 323.2 0.333
2029 324.2 0.339
2030 325.1 0.345


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


 
  


wds04400%2B2301a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04400+2301 HU 442 (HD 29538) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hrt2009 Su j Hartkopf, W.I. & Mason, B.D. 2009AJ....138..813H
Hrt2009 +orb AJ 138, 813, 2009
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04400+2301 HU 442 1991 14 77 0.1 9.30 9.90 A2 O 043959.09+230052.4
04400+2301 HU 442 2007 15 105 0.2 9.30 9.90 A2 O 043959.09+230052.4

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

 
 
WDS 04400+2301 HU 442 (HD 29538) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04400+2301 HU 442 (HD 29538) : MEASURES
 
 
No records found.

 
 
WDS 04400+2301 (HD 29538) : VIRTUAL EYEPIECE
 
 

04400+2301 HU 442A mag 9.3 Sp A2 04400+2301 HU 442B sep 0.2 P.A. 111.40 mag 9.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 04400+2301 (HD 29538) : ALADIN DSS IMAGE @ 04h 39m 59.09s +23° 00' 52.4"
 
 
 
 
WDS 04400+2301 HU 442 (HD 29538) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04400+2301 HU 442 distance=0' 04395+2316 POU 471 distance=16' 04393+2248 LEI 22 distance=17' 04382+2302 KOH 17 distance=24' 04417+2302 KSA 29AB distance=25' 04417+2302 TOD 1Aa,Ab distance=25' 04417+2302 TOD 1Ba,Bb distance=25' 04419+2308 POU 473 distance=28' 04417+2244 STF 579 distance=30' 04384+2241 LDS6137 distance=31' 04422+2257 MCA 16Aa,Ab distance=32' 04422+2257 S 455AB distance=32' 04387+2327 POU 469 distance=32' 04401+2339 POU 472 distance=39' 04427+2314 OCC 319 distance=40' 04393+2221 KSA 25AB distance=41' 04393+2221 LKCA 15Aa,Ab distance=41' 04393+2221 LKCA 15Aa,Ac distance=41' 04393+2221 LKCA 15Aa,Ad distance=41' 04427+2317 POU 475 distance=42' 04426+2241 CVR 453 distance=42' 04381+2334 POU 468 distance=43' 04416+2341 LDS6139 distance=46' 04368+2246 LDS6136 distance=47' 04394+2349 POU 470 distance=49' 04368+2237 LDS6135 distance=51' 04439+2257 OCC 313Ca,Cb distance=55' 04423+2345 POU 474 distance=56' 04431+2227 KPP 23 distance=56' 04359+2255 LEI 20 distance=57' 04359+2254 LEI 21AB distance=57' 04359+2254 HAT 12AC distance=57' 04359+2254 ITO 33AD distance=57' 04359+2254 KSA 109Ba,Bb distance=57' 04359+2254 HAT 12BC distance=57' 04359+2254 OCC9096Ca,Cb distance=58' 04358+2250 OCC9095Aa,Ab distance=59' 04359+2323 POU 463 distance=61' 04363+2337 LDS5577 distance=62' 04353+2254 KSA 108 distance=65' 04400+2155 J 2727 distance=66' 04369+2351 POU 466 distance=67' 04450+2311 POU 476 distance=70' 04353+2232 HER 23 distance=71' 04352+2232 LDS1177 distance=72' 04451+2249 LDS5592 distance=72' 04365+2357 POU 465 distance=74' 04390+2149 LDS1183AB distance=75' 04390+2149 JNN 262AC distance=75' 04348+2242 STF 562AB distance=75' 04348+2242 SKF2819AC distance=75' 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 04400+2301 HU 442 110 0.2
Show 04395+2316 POU 471 228 3.1 16
Show 04393+2248 LEI 22 324 0.7 17
Show 04382+2302 KOH 17 92 9.3 24
Show 04417+2302 KSA 29 AB 58 12.3 25
Show 04417+2302 TOD 1 Aa,Ab 121 0.1 25
Show 04417+2302 TOD 1 Ba,Bb 87 0.2 25
Show 04419+2308 POU 473 278 18.8 28
Show 04417+2244 STF 579 40 16.4 30
Show 04384+2241 LDS6137 305 85.0 31
Show 04422+2257 MCA 16 Aa,Ab 36 0.3 32
Show 04422+2257 S 455 AB 214 62.5 32
Show 04387+2327 POU 469 281 16.0 32
Show 04401+2339 POU 472 309 13.2 39
Show 04427+2314 OCC 319 -1 0.1 40
Show 04393+2221 KSA 25 AB 184 28.1 41
Show 04393+2221 LKCA 15 Aa,Ab 274 0.1 41
Show 04393+2221 LKCA 15 Aa,Ac 312 0.1 41
Show 04393+2221 LKCA 15 Aa,Ad 14 0.1 41
Show 04427+2317 POU 475 332 16.3 42
Show 04426+2241 CVR 453 307 10.6 42
Show 04381+2334 POU 468 140 16.1 43
Show 04416+2341 LDS6139 6 191.0 46
Show 04368+2246 LDS6136 102 249.1 47
Show 04394+2349 POU 470 310 14.6 49
Show 04368+2237 LDS6135 56 3.2 51
Show 04439+2257 OCC 313 Ca,Cb -1 0.1 55
Show 04423+2345 POU 474 195 11.8 56
Show 04431+2227 KPP 23 28 16.1 56
Show 04359+2255 LEI 20 246 0.7 57
Show 04359+2254 LEI 21 AB 243 10.1 57
Show 04359+2254 HAT 12 AC 297 21.4 57
Show 04359+2254 ITO 33 AD 174 8.3 57
Show 04359+2254 KSA 109 Ba,Bb 294 0.1 57
Show 04359+2254 HAT 12 BC 325 17.4 57
Show 04359+2254 OCC9096 Ca,Cb -1 0.0 58
Show 04358+2250 OCC9095 Aa,Ab -1 0.0 59
Show 04359+2323 POU 463 17 8.6 61
Show 04363+2337 LDS5577 315 75.2 62
Show 04353+2254 KSA 108 47 0.0 65
Show 04400+2155 J 2727 257 5.2 66
Show 04369+2351 POU 466 13.7 67
Show 04450+2311 POU 476 130 7.4 70
Show 04353+2232 HER 23 105 7.1 71
Show 04352+2232 LDS1177 254 4.3 72
Show 04451+2249 LDS5592 151 96.4 72
Show 04365+2357 POU 465 178 13.7 74
Show 04390+2149 LDS1183 AB 116 15.0 75
Show 04390+2149 JNN 262 AC 125 1.2 75
Show 04348+2242 STF 562 AB 285 1.8 75
Show 04348+2242 SKF2819 AC 291 182.3 75

 
 
WDS 04400+2301 : COMPONENTS
 
 
  A
B pa=111.4°
sep=0.16"
 
 
04400+2301 A
 
 
Componente originario normalizzato AB Name HD 29538 Coord arcsec 2000 043959.09+230052.4 Mag 9.3
Spectral class A2 (white) PmRA 4.00 PmDE -6.0 SAO 76694
Tycho2 1830-01132-1 HD 29538 DM BD+22 728
Tycho2
Tycho2 1830-01132-1 Pflag RAmdeg 69.99623423 DEmdeg 23.01457770
PmRA 7.3 PmDE -4.6 E RAmdeg 9 E DEmdeg 10
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.54 EpDEm 1989.79
Num 11 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 9.377 E BTmag 0.020 VTmag 8.866
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 69.99621583 DEdeg 23.01458833 EpRA 1990 1.73
EpDE 1990 1.56 E RAdeg 8.7 E DEdeg 10.0 Posflg
Corr -0.1
SAO
SAO 76694 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.002 Vmag 8.6 SpType A2
Double code Source 35 CatNum 1484 DM BD+22 728
DMcomp BDsup HD 29538 M HD 0
GC RA1950rad 1.20855318 DE1950rad 0.39999092 PmRA2000 0.0005
PmDE2000 0.001
CCDM
Ccdm 04400+2301 RComp Comp A Note1
Note2 Discov num DRAs -0.93 DDEs -7.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp A2 PmNote *
PmRA 4 PmDE -2 Dm number +22 728 Cat1 BD
Name2 +22 446 Cat2 AGK2/3 HD 29538 M HD
ADS BDS A 3370 M ADS BDS N IDS IDS 04340N2249A
HIC
 
 
04400+2301 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 043959.10+230052.3 Mag 9.9 Calc delta mag 0.6
Calc coord yes
CCDM
Ccdm 04400+2301 RComp Comp B Note1
Note2 Discov num HU 442 DRAs DDEs
R dRAs Year 1960 Theta 011 Rho 0.4
Obs 6 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3370 M ADS BDS N IDS IDS 04340N2249B
HIC