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Doubles in session


Current system
03212+2109
COU 259
Tau Ari


Nearby doubles
28' : 03218+2134
GRV 173

29' : 03199+2131
OCC 254

32' : 03208+2139
AG 66

32' : 03233+2058
STF 381

33' : 03228+2045
HDS 423AB

37' : 03216+2145
HU 434

39' : 03209+2031
HDS 418

39' : 03199+2143
HU 433

61' : 03247+2033
J 931

78' : 03178+2008
LDS3470

86' : 03203+1944
STF 376

87' : 03261+2015
A 2344AB

89' : 03149+2103
OCC 837

91' : 03243+2231
LDS6082

97' : 03143+2057
HJ 2178

99' : 03265+2213
LDS6083

103' : 03148+2020
OCC 898

104' : 03280+2028
STF 394AB

107' : 03270+2219
LDS6084

110' : 03216+1920
GWP 455

116' : 03295+2107
HU 435

119' : 03206+1911
STF 377AB

120' : 03287+2010
TDS 116

122' : 03148+2230
BRT2310

123' : 03208+2311
OCC 771AB

123' : 03138+2215
OCC 772



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

03212+2109 COU 259 (Tau Ari)

 
 
03h 21m 13.63s +21° 08' 49.5" P.A. 217.00 sep 0.9 mag 5.34,8.09 Sp B5IV dist. 156.01 pc (508.9 l.y.)
 
 
Coord 2000 03212+2109 Discov num COU 259 Comp Coord arcsec 2000 03 21 13.63 +21 08 49.5
Date first 1968 Date last 2016 Obs 28
Pa first 246 Pa last 216.6 P.A. Now (θ) 216.6°
Sep first 0.7 Sep last 0.89 Sep. Now (ρ) 0.89"
Mag pri 5.34 Mag sec 8.09 delta mag (ΔM) 2.75 Spectral class B5IV (blue-white)
Pri motion ra +026 Sec motion ra +026
Pri motion dec -025 Sec motion dec -025
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Tau Ari Constellation Aries SAO 75886 HIP 15627
Tycho2 1245-01184-1 Gaia DR2 61292039470080384 HD 20756 HR 1005
GC 4007 BD BD+20 543 Bayer Tau Arietis Bayer name Tau Ari
Flamsteed 61 Arietis Flamsteed name 61 Ari FK5 1094 Distance 156.01
Distance ly 508.9 Bayer greek τ Ari
 
 
WDS 03212+2109 COU 259 (Tau Ari) : NOTES
 
 
discov_num notes refcode
COU 259 tau 1 Ari = 61 Ari. A is an irregular variable.
 
 
DISCOVERER
 
 
discov author
COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
03212+2109 COU 259 2005 25 220 0.9 5.34 8.09 B5IV +20 543 N D 032113.63+210849.5
03212+2109 COU 259 2013 26 217 0.9 5.34 8.09 B5IV +20 543 N 032113.63+210849.5
03212+2109 COU 259 2015 27 218 0.9 5.34 8.09 B5IV +20 543 N 032113.63+210849.5
03212+2109 COU 259 2016 28 217 0.9 5.34 8.09 B5IV +20 543 N 032113.63+210849.5

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

 
 
WDS 03212+2109 COU 259 (Tau Ari) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03212+2109 COU 259 (Tau Ari) : MEASURES
 
 
No records found.

 
 
WDS 03212+2109 (Tau Ari) : VIRTUAL EYEPIECE
 
 

03212+2109 COU 259A mag 5.34 Sp B5IV 03212+2109 COU 259B sep 0.9 P.A. 216.60 mag 8.09 virtual eyepiece
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Radius:
Components only
 
 
WDS 03212+2109 (Tau Ari) : ALADIN DSS IMAGE @ 03h 21m 13.63s +21° 08' 49.5"
 
 
 
 
WDS 03212+2109 COU 259 (Tau Ari) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03212+2109 COU 259 distance=0' 03218+2134 GRV 173 distance=28' 03199+2131 OCC 254 distance=29' 03208+2139 AG 66 distance=32' 03233+2058 STF 381 distance=32' 03228+2045 HDS 423AB distance=33' 03228+2045 HDS 423AC distance=33' 03228+2045 HDS 423AD distance=33' 03228+2045 HDS 423AE distance=33' 03228+2045 HDS 423AF distance=33' 03216+2145 HU 434 distance=37' 03209+2031 HDS 418 distance=39' 03199+2143 HU 433 distance=39' 03247+2033 J 931 distance=61' 03178+2008 LDS3470 distance=78' 03203+1944 STF 376 distance=86' 03261+2015 A 2344AB distance=87' 03261+2015 CTT 6AC distance=87' 03149+2103 OCC 837 distance=89' 03243+2231 LDS6082 distance=91' 03143+2057 HJ 2178 distance=97' 03265+2213 LDS6083 distance=99' 03148+2020 OCC 898 distance=103' 03280+2028 COU 260Aa,Ab distance=104' 03280+2028 STF 394AB distance=104' 03270+2219 LDS6084 distance=107' 03216+1920 GWP 455 distance=110' 03295+2107 HU 435 distance=116' 03206+1911 STF 377AB distance=119' 03206+1911 STF 377AC distance=119' 03287+2010 TDS 116 distance=120' 03148+2230 BRT2310 distance=122' 03208+2311 OCC 771AB distance=123' 03138+2215 OCC 772 distance=123' 03167+1923 COU 360AB distance=124' 03167+1923 COU 360AC distance=124' 03198+1905 OCC 362 distance=126' 03163+1920 A 2224 distance=129' 03164+1910 HJ 2181 distance=138' 03239+2322 UC 999 distance=139' 03210+2328 POU 266 distance=139' 03244+2321 POU 276 distance=140' 03207+2329 OCC9079 distance=141' 03284+2248 BAG 2Aa,Ab distance=142' 03284+2248 BU 878AB distance=142' 03284+2248 BU 878AC distance=142' 03313+2119 GRV 178 distance=143' 03305+2006 STF 399AB distance=145' 03305+2006 STF 399AC distance=145' 03305+2006 RAO 11Ba,Bb distance=145' 03143+2257 STF 366AB distance=146' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 03212+2109 COU 259 217 0.9 0
Show 03218+2134 GRV 173 335 57.0 28
Show 03199+2131 OCC 254 -1 0.1 29
Show 03208+2139 AG 66 285 4.0 32
Show 03233+2058 STF 381 104 1.0 32
Show 03228+2045 HDS 423 AB 299 0.2 33
Show 03228+2045 HDS 423 AC 97 2.0 33
Show 03228+2045 HDS 423 AD 86 2.2 33
Show 03228+2045 HDS 423 AE 86 4.3 33
Show 03228+2045 HDS 423 AF 47 4.8 33
Show 03216+2145 HU 434 215 0.3 37
Show 03209+2031 HDS 418 342 0.6 39
Show 03199+2143 HU 433 259 0.2 39
Show 03247+2033 J 931 79 4.8 61
Show 03178+2008 LDS3470 276 2.5 78
Show 03203+1944 STF 376 251 7.2 86
Show 03261+2015 A 2344 AB 189 1.3 87
Show 03261+2015 CTT 6 AC 128 50.9 87
Show 03149+2103 OCC 837 136 2.0 89
Show 03243+2231 LDS6082 210 2.0 91
Show 03143+2057 HJ 2178 214 17.9 97
Show 03265+2213 LDS6083 266 6.6 99
Show 03148+2020 OCC 898 -1 0.1 103
Show 03280+2028 COU 260 Aa,Ab 83 0.7 104
Show 03280+2028 STF 394 AB 163 6.9 104
Show 03270+2219 LDS6084 308 24.0 107
Show 03216+1920 GWP 455 208 13.9 110
Show 03295+2107 HU 435 344 0.6 116
Show 03206+1911 STF 377 AB 102 1.2 119
Show 03206+1911 STF 377 AC 223 24.3 119
Show 03287+2010 TDS 116 183 1.1 120
Show 03148+2230 BRT2310 21 4.7 122
Show 03208+2311 OCC 771 AB 158 0.2 123
Show 03138+2215 OCC 772 -1 0.1 123
Show 03167+1923 COU 360 AB 257 2.0 124
Show 03167+1923 COU 360 AC 139 29.9 124
Show 03198+1905 OCC 362 -1 0.1 126
Show 03163+1920 A 2224 331 0.8 129
Show 03164+1910 HJ 2181 277 26.3 138
Show 03239+2322 UC 999 157 13.4 139
Show 03210+2328 POU 266 115 17.5 139
Show 03244+2321 POU 276 42 11.1 140
Show 03207+2329 OCC9079 -1 0.1 141
Show 03284+2248 BAG 2 Aa,Ab 144 0.1 142
Show 03284+2248 BU 878 AB 61 0.7 142
Show 03284+2248 BU 878 AC 229 144.4 142
Show 03313+2119 GRV 178 294 13.0 143
Show 03305+2006 STF 399 AB 146 19.6 145
Show 03305+2006 STF 399 AC 222 58.8 145
Show 03305+2006 RAO 11 Ba,Bb 249 0.3 145
Show 03143+2257 STF 366 AB 34 43.2 146

 
 
WDS 03212+2109 : COMPONENTS
 
 
  A
B pa=216.6°
sep=0.89"
 
 
03212+2109 A
 
 
Name Tau Ari Coord arcsec 2000 032113.63+210849.5 Mag 5.34 Spectral class B5IV (blue-white)
PmRA 26.00 PmDE -25.0 SAO 56371 HIP 15627
Tycho2 1245-01184-1 HD 20756 HR 1005 DM BD+29 548
BD BD+20 543 Bayer Tau Arietis Bayer name Tau Flamsteed 61 Arietis
Flamsteed name 61 Ari FK5 1094
Tycho2
Tycho2 1245-01184-1 Pflag P RAmdeg 50.30677384 DEmdeg 21.14707410
PmRA 25.7 PmDE -25.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.46 EpDEm 1991.32
Num 8 Q RAmdeg 1.0 Q DEmdeg 2.2 Q pmRA 1.1
Q pmDE 2.4 BTmag 5.240 E BTmag 0.014 VTmag 5.340
E VTmag 0.009 Prox 10 TYC T HIP 15627
CCDM A RAdeg 50.30671556 DEdeg 21.14713861 EpRA 1990 1.62
EpDE 1990 1.50 E RAdeg 3.6 E DEdeg 3.9 Posflg D
Corr -0.3
SAO
SAO 56371 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.024 Vmag 9.4 SpType A5
Double code Source 34 CatNum 1655 DM BD+29 548
DMcomp BDsup HD M HD
GC RA1950rad 0.8645997 DE1950rad 0.52604839 PmRA2000 0.0015
PmDE2000 -0.027
Hipparcos
Catalog H HIP 15627 Proxy H RAhms 03 21 13.61
DEdms +21 08 49.7 Vmag 5.27 VarFlag 1 R Vmag G
RAdeg 50.3067 DEdeg 21.1471 AstroRef A Plx 7.06
CCDM 21.68 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 227 Rho 0.809 HD BD BD+20 543
CD CP Dm number +20 543 VIred -0.04
SpType B5IV R SpType Coord arcsec 2000 032113.61+210849.7
Hipparcos 2
HIP 15627 Sn 15 So 3 Nc 2
RArad 0.8780177684 DErad 0.3690872289 Plx 6.41 PmRA 20.98
PmDE -21.8 E RArad 0.7 E DErad 0.53 E Plx 0.73
E pmRA 0.85 E pmDE 0.73 Hpmag E Hpmag 0.0058
SHp 0.026 VA 1 BV -0.067 E BV 0.008
VI -0.04
CCDM
Ccdm 03212+2109 RComp Comp A Note1
Note2 Discov num DRAs 1.61 DDEs -10.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.0 Sp B3 PmNote *
PmRA 26 PmDE -23 Dm number +20 543 Cat1 BD
Name2 +20 303 Cat2 AGK2/3 HD 20756 M HD
ADS BDS M ADS BDS N IDS IDS 03155N2047A
HIC 15627
 
 
03212+2109 B
 
 
Coord arcsec 2000 032113.59+210848.8 Mag 8.09 PmRA 26.00 PmDE -25.0
HIP 15627 Tycho2 1245-01184-2 Flamsteed 61 Arietis Flamsteed name 61 Ari
Delta magnitude 2.75 Coordinate calculated yes
Tycho2
Tycho2 1245-01184-2 Pflag P RAmdeg 50.30677384 DEmdeg 21.14707410
PmRA 25.7 PmDE -25.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.46 EpDEm 1991.32
Num 8 Q RAmdeg 1.0 Q DEmdeg 2.2 Q pmRA 1.1
Q pmDE 2.4 BTmag 8.402 E BTmag 0.019 VTmag 8.085
E VTmag 0.015 Prox 10 TYC HIP 15627
CCDM B RAdeg 50.30649722 DEdeg 21.14695556 EpRA 1990 1.64
EpDE 1990 1.49 E RAdeg 7.0 E DEdeg 8.6 Posflg D
Corr -0.4
Hipparcos
Catalog H HIP 15627 Proxy H RAhms 03 21 13.61
DEdms +21 08 49.7 Vmag 5.27 VarFlag 1 R Vmag G
RAdeg 50.3067 DEdeg 21.1471 AstroRef A Plx 7.06
CCDM 21.68 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 227 Rho 0.809 HD BD BD+20 543
CD CP Dm number +20 543 VIred -0.04
SpType B5IV R SpType Coord arcsec 2000 032113.61+210849.7
Hipparcos 2
HIP 15627 Sn 15 So 3 Nc 2
RArad 0.8780177684 DErad 0.3690872289 Plx 6.41 PmRA 20.98
PmDE -21.8 E RArad 0.7 E DErad 0.53 E Plx 0.73
E pmRA 0.85 E pmDE 0.73 Hpmag E Hpmag 0.0058
SHp 0.026 VA 1 BV -0.067 E BV 0.008
VI -0.04
CCDM
Ccdm 03212+2109 RComp Comp B Note1
Note2 Discov num COU 259 DRAs DDEs
R dRAs Year 1968 Theta 246 Rho 0.7
Obs 1 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 03155N2047B
HIC 15627