stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
04044+2406
BU 544 AB
36 Tau


Nearby doubles
7' : 04041+2401
POU 367

10' : 04041+2358
POU 368

10' : 04038+2402
POU 364

10' : 04042+2416
POU 371AB

12' : 04044+2355
POU 374

13' : 04035+2401
POU 361

13' : 04036+2359
POU 362

17' : 04032+2401
POU 359

20' : 04032+2357
POU 358

21' : 04029+2406
POU 357

21' : 04035+2423
POU 360

23' : 04053+2348
MCN 1

25' : 04053+2346
POU 386

26' : 04063+2405
POU 392

27' : 04030+2425
TDS2728

27' : 04024+2403
POU 351

28' : 04058+2426
POU 388

28' : 04047+2338
POU 377

29' : 04025+2418
POU 352AB

29' : 04026+2353
POU 355

31' : 04065+2359
LDS1152

31' : 04059+2344
POU 389

32' : 04053+2337
POU 385

32' : 04063+2424
POU 393

32' : 04025+2426
POU 354

35' : 04019+2411
POU 349



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.

04044+2406 BU 544 AB (36 Tau)

 
 
04h 04m 21.67s +24° 06' 21.7" P.A. 258.00 sep 25.7 mag 5.47,12.20 Sp A7V+G0IV dist. 347.22 pc (1132.63 l.y.)
 
 
Coord 2000 04044+2406 Discov num BU  544 Comp AB Coord arcsec 2000 04 04 21.67 +24 06 21.7
Date first 1877 Date last 2015 Obs 10
Pa first 258 Pa last 257.6 P.A. Now (θ) 257.6°
Sep first 25.1 Sep last 25.66 Sep. Now (ρ) 25.66"
Mag pri 5.47 Mag sec 12.20 delta mag (ΔM) 6.73 Spectral class A7V+G0IV (white/yellow)
Pri motion ra -001 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
04044+2406 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 76425 04 04 22 +24 06 22 MCA 13 Aa,Ab 2021 14 136 0.0 5.47 5.50 0.03 Y
Show 36 Tau 76425 04 04 22 +24 06 22 BU 544 AB 2015 10 258 25.7 5.47 12.20 6.73 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 36 Tau Constellation Taurus SAO 76425 HIP 19009
Tycho2 1814-01647-1 Gaia DR2 66010696701152384 HD 25555 HR 1252
GC 4886 ADS 2965 BD BD+23 609 Flamsteed 36 Tauri
Flamsteed name 36 Tau Distance 347.22 Distance ly 1132.63
 
 
WDS 04044+2406 BU 544 AB (36 Tau) : NOTES
 
 
discov_num notes refcode
MCA 13 36 Tau. A is an occultation binary, first detected by Dunham et al. Dnh1973
Now resolved by speckle interferometry.
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 16.02 +/- 8.21, 11.83, 2.92 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Dnh1973 O j Dunham, D., Evans, D., McGraw, J., Sandman, W., & Wells, D. 1973AJ.....78..482D
Dnh1973 AJ 78, 482, 1973
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 MCA McAlister, H.A.
224 MCA McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., &
224 MCA Evans, D.S.
239 MCA Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., &
239 MCA Franz, O.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04044+2406 BU 544 AB 1999 8 258 25.7 5.47 12.20 A7V+G0IV D 040421.67+240621.7
04044+2406 BU 544 AB 2000 9 256 25.8 5.47 12.20 A7V G0IV N D 040421.67+240621.7
04044+2406 BU 544 AB 2015 10 258 25.7 5.47 12.20 A7V+G0IV N 040421.67+240621.7

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

 
 
WDS 04044+2406 BU 544 AB (36 Tau) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04044+2406 BU 544 AB (36 Tau) : MEASURES
 
 
No records found.

 
 
WDS 04044+2406 (36 Tau) : VIRTUAL EYEPIECE
 
 

04044+2406 BU 544A mag 5.47 Sp A7V 04044+2406 MCA 13Ab mag 5.5 Sp B8IV 04044+2406 BU 544B sep 23.5 P.A. 256.50 mag 12.2 Sp G0IV 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 04044+2406 (36 Tau) : ALADIN DSS IMAGE @ 04h 04m 21.67s +24° 06' 21.7"
 
 
 
 
WDS 04044+2406 BU 544 AB (36 Tau) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04044+2406 BU 544AB distance=0' 04041+2401 POU 367 distance=7' 04041+2358 POU 368 distance=10' 04038+2402 POU 364 distance=10' 04042+2416 POU 371AB distance=10' 04042+2416 POU 372AC distance=10' 04044+2355 POU 374 distance=12' 04035+2401 POU 361 distance=13' 04036+2359 POU 362 distance=13' 04032+2401 POU 359 distance=17' 04032+2357 POU 358 distance=20' 04029+2406 POU 357 distance=21' 04035+2423 POU 360 distance=21' 04053+2348 MCN 1 distance=23' 04053+2346 POU 386 distance=25' 04063+2405 POU 392 distance=26' 04030+2425 TDS2728 distance=27' 04024+2403 POU 351 distance=27' 04058+2426 POU 388 distance=28' 04047+2338 POU 377 distance=28' 04025+2418 POU 352AB distance=29' 04025+2418 POU 353AC distance=29' 04026+2353 POU 355 distance=29' 04065+2359 LDS1152 distance=31' 04059+2344 POU 389 distance=31' 04053+2337 POU 385 distance=32' 04063+2424 POU 393 distance=32' 04025+2426 POU 354 distance=32' 04019+2411 POU 349 distance=35' 04068+2416 POU 394 distance=35' 04019+2358 POU 350 distance=35' 04047+2440 POU 378 distance=36' 04018+2408 POU 347 distance=36' 04044+2330 LDS5485 distance=38' 04018+2352 POU 348 distance=38' 04048+2328 DBR 56 distance=39' 04043+2445 POU 373 distance=39' 04056+2330 POU 387 distance=40' 04053+2328 POU 384 distance=41' 04049+2326 POU 379 distance=41' 04068+2342 POU 399AB distance=42' 04068+2342 POU 398AC distance=42' 04039+2447 GRV 201 distance=42' 04042+2324 OSO 17 distance=42' 04047+2324 DBR 11 distance=43' 04074+2416 POU 401 distance=43' 04060+2442 POU 390 distance=43' 04050+2448 POU 381 distance=44' 04049+2323 POU 380 distance=44' 04051+2324 POU 382 distance=44' 04068+2336 POU 396 distance=45' 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 04044+2406 MCA 13 Aa,Ab 136 0.0
Show 04044+2406 BU 544 AB 258 25.7
Show 04041+2401 POU 367 224 6.4 7
Show 04041+2358 POU 368 22 10.4 10
Show 04038+2402 POU 364 218 17.6 10
Show 04042+2416 POU 371 AB 163 9.6 10
Show 04042+2416 POU 372 AC 228 20.9 10
Show 04044+2355 POU 374 2 7.3 12
Show 04035+2401 POU 361 18 13.6 13
Show 04036+2359 POU 362 17 7.4 13
Show 04032+2401 POU 359 58 10.6 17
Show 04032+2357 POU 358 50 2.9 20
Show 04029+2406 POU 357 101 12.1 21
Show 04035+2423 POU 360 104 13.2 21
Show 04053+2348 MCN 1 276 30.3 23
Show 04053+2346 POU 386 194 15.4 25
Show 04063+2405 POU 392 233 11.5 26
Show 04030+2425 TDS2728 77 0.9 27
Show 04024+2403 POU 351 219 14.4 27
Show 04058+2426 POU 388 76 4.6 28
Show 04047+2338 POU 377 352 6.0 28
Show 04025+2418 POU 352 AB 9 16.9 29
Show 04025+2418 POU 353 AC 67 16.9 29
Show 04026+2353 POU 355 93 18.4 29
Show 04065+2359 LDS1152 213 4.9 31
Show 04059+2344 POU 389 66 5.9 31
Show 04053+2337 POU 385 8 16.7 32
Show 04063+2424 POU 393 75 12.2 32
Show 04025+2426 POU 354 173 12.6 32
Show 04019+2411 POU 349 267 5.8 35
Show 04068+2416 POU 394 47 13.3 35
Show 04019+2358 POU 350 32 4.0 35
Show 04047+2440 POU 378 119 2.9 36
Show 04018+2408 POU 347 204 15.7 36
Show 04044+2330 LDS5485 238 4.7 38
Show 04018+2352 POU 348 69 6.4 38
Show 04048+2328 DBR 56 14 3.8 39
Show 04043+2445 POU 373 134 3.8 39
Show 04056+2330 POU 387 216 8.8 40
Show 04053+2328 POU 384 124 8.0 41
Show 04049+2326 POU 379 97 4.0 41
Show 04068+2342 POU 399 AB 109 11.9 42
Show 04068+2342 POU 398 AC 278 14.7 42
Show 04039+2447 GRV 201 29 37.5 42
Show 04042+2324 OSO 17 76 17.4 42
Show 04047+2324 DBR 11 278 19.0 43
Show 04074+2416 POU 401 14 15.9 43
Show 04060+2442 POU 390 175 15.1 43
Show 04050+2448 POU 381 219 4.0 44
Show 04049+2323 POU 380 142 20.1 44
Show 04051+2324 POU 382 344 7.8 44

 
 
WDS 04044+2406 : COMPONENTS
 
 
  A Ab
Ab pa=138.8°
sep=0.03"
 
B pa=256.5°
sep=23.53"
pa=256.5°
sep=23.55"
 
 
04044+2406 A
 
 
Name 36 Tau Coord arcsec 2000 040421.67+240621.7 Mag 5.47 Spectral class A7V (white)
PmRA -1.00 PmDE -14.0 SAO 76425 HIP 19009
Tycho2 1814-01647-1 HD 25555 HR 1252 GC 4886
BD BD+23 609 Flamsteed 36 Tauri Flamsteed name 36 Tau
Tycho2
Tycho2 1814-01647-1 Pflag RAmdeg 61.09030547 DEmdeg 24.10599159
PmRA -0.1 PmDE -13.5 E RAmdeg 4 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.26 EpDEm 1990.94
Num 23 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.7 BTmag 6.515 E BTmag 0.015 VTmag 5.602
E VTmag 0.009 Prox 999 TYC T HIP 19009
CCDM RAdeg 61.09030583 DEdeg 24.10602361 EpRA 1990 1.72
EpDE 1990 1.43 E RAdeg 3.7 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 76425 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.012 Vmag 5.7 SpType +++
Double code Source 70 CatNum 4886 DM BD+23 609
DMcomp BDsup HD 25555 M HD 0
GC 4886 RA1950rad 1.05315579 DE1950rad 0.41835456 PmRA2000 -0.0003
PmDE2000 -0.014
Hipparcos
Catalog H HIP 19009 Proxy RAhms 04 04 21.67
DEdms +24 06 21.7 Vmag 5.46 VarFlag R Vmag H
RAdeg 61.0903 DEdeg 24.106 AstroRef Plx 3.42
CCDM 04044+2406 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 25555 BD BD+23 609
CD CP Dm number +23 609 VIred 0.85
SpType G0III... R SpType Coord arcsec 2000 040421.67+240621.7
Hipparcos 2
HIP 19009 Sn 5 So 0 Nc 1
RArad 1.0662269976 DErad 0.4207295311 Plx 2.88 PmRA -0.54
PmDE -14.08 E RArad 0.35 E DErad 0.23 E Plx 0.43
E pmRA 0.39 E pmDE 0.33 Hpmag 5.6092 E Hpmag 0.0011
SHp 0.005 VA 0 BV 0.813 E BV 0.005
VI 0.84
CCDM
Ccdm 04044+2406 RComp Comp A Note1
Note2 Discov num DRAs -2.27 DDEs 21.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.7 Sp F5 PmNote *
PmRA 22 PmDE -16 Dm number +23 609 Cat1 BD
Name2 +23 370 Cat2 AGK2/3 HD 25555 M HD /6
ADS BDS A 2965 M ADS BDS N IDS IDS 03583N2350A
HIC 19009
 
 
04044+2406 Ab
 
 
Coord arcsec 2000 040421.67+240621.7 Mag 5.5 Spectral class B8IV (blue-white) Calc delta mag 0.03
Calc coord yes
 
 
04044+2406 B
 
 
Coord arcsec 2000 040420.00+240616.2 Mag 12.2 Spectral class G0IV (yellow) Calc delta mag 6.73
Calc coord yes
CCDM
Ccdm 04044+2406 RComp Comp B Note1
Note2 Discov num BU 544 DRAs -4.08 DDEs 15.9
R dRAs 90 Year 1877 Theta 257 Rho 25.5
Obs 7 Vmag 12.2 Sp PmNote
PmRA 22 PmDE -16 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2965 M ADS BDS N N IDS IDS 03583N2350B
HIC