stampa
Login

About to create a great list of doubles? Share it with other users!
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
12018-3439
I 215 AB
HD 104471


Nearby doubles
22' : 12035-3436
B 1204

47' : 12051-3502
JSP 510

48' : 11582-3421
UC 2240

54' : 12053-3511
LDS 854

57' : 12063-3428
B 1205

58' : 12062-3459
UC 2269

59' : 12041-3531
UC 2261

65' : 11567-3453
JSP 507

66' : 12019-3333
RST2776

67' : 12071-3432
RST2780

68' : 12070-3501
TSN 157

76' : 12003-3552
SWR 123

77' : 12027-3323
BRT1672

81' : 12029-3319
LDS4170

81' : 12059-3542
SEE 144

90' : 12044-3316
LDS 381

98' : 12085-3530
HDS1713

99' : 12094-3409
RST2782

103' : 12100-3442
JC 17AB

103' : 11572-3605
SKF1911

106' : 11532-3441
TDS 650

111' : 11538-3348
LDS 371

112' : 12023-3630
JSP 508

113' : 12007-3247
RUZ 3

115' : 12061-3258
HJ 4495AB

116' : 12101-3349
OL 44



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.

12018-3439 I 215 AB (HD 104471)

 
 
12h 01m 46.09s -34° 39' 01.1" P.A. 310.00 sep 0.3 mag 7.27,8.48 Sp G0V dist. 55.96 pc (182.54 l.y.)
 
 
Coord 2000 12018-3439 Discov num I   215 Comp AB Coord arcsec 2000 12 01 46.09 -34 39 01.1
Date first 1897 Date last 2021 Obs 81
Pa first 250 Pa last 309.6 P.A. Now (θ) 309.6°
Sep first 0.7 Sep last 0.273 Sep. Now (ρ) 0.273"
Mag pri 7.27 Mag sec 8.48 delta mag (ΔM) 1.21 Spectral class G0V (yellow)
Pri motion ra -191 Sec motion ra -191
Pri motion dec +017 Sec motion dec +017
Notes N O V (See Notes, Orbital solution, Proper motion indicates physical)
This double is physical.
 
 
12018-3439 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 203046 12 01 46 -34 39 01 DSG 14 Aa,Ab 2017 2 255 0.0 8.00 8.00 0.00 Y
Show HD 104471 203046 12 01 46 -34 39 01 I 215 AB 2021 81 310 0.3 7.27 8.48 1.21 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 104471 Constellation Hydra SAO 203046 HIP 58669
Tycho2 7239-00971-1 HD 104471 GC 16443 GL Gl 454.2A
CD CD-33 8130 Distance 55.96 Distance ly 182.54
 
 
WDS 12018-3439 I 215 AB (HD 104471) : NOTES
 
 
discov_num notes refcode
I 215 A premature orbit has been computed. The motion is nearly rectilinear,
but the sizable proper motion proves the physical nature.
The position given by Bespalov is that of HLD 114. Bsp1961
The primary is a double-lined SB, now SB3. Tokovinin et al. (2014)
derived a solution (P=148.14d, e=0.430) and estimated the angular
separation at 13 mas, meaning it should be resolvable by speckle on an
8m telescope. They also revised the orbit of the AB pair. Estimated
masses for Aa, Ab, and B are all similar: 1.15, 1.16, and 1.12 Msun. Tok2015a
 
 
REFERENCES
 
 
refcode metd author reference
Bsp1961 orb - Bespalov, A.V. .
Bsp1961 Trudy gos. astr. Inst. Sternberg 30, 99, 1961
Tok2015a orb - Tokovinin, A., Pribulla, T., & Fischer, D. 2015AJ....149....8T
Tok2015a AJ 149, 8, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 DSG DSSI-Gemini (see Hor2012b)
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
12018-3439 I 215 AB 2017 78 345 0.2 7.27 8.48 G0V NO V 120146.09-343901.1
12018-3439 I 215 AB 2018 79 337 0.2 7.27 8.48 G0V NO V 120146.09-343901.1
12018-3439 I 215 AB 2019 80 324 0.2 7.27 8.48 G0V NO V 120146.09-343901.1
12018-3439 I 215 AB 2021 81 310 0.3 7.27 8.48 G0V NO V 120146.09-343901.1

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

 
 
WDS 12018-3439 I 215 AB (HD 104471) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12018-3439 I 215 AB (HD 104471) : MEASURES
 
 
No records found.

 
 
WDS 12018-3439 (HD 104471) : VIRTUAL EYEPIECE
 
 

12018-3439 I 215A mag 7.27 Sp G0V 12018-3439 DSG 14Ab mag 8 12018-3439 I 215B sep 0.2 P.A. 315.20 mag 8.48 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 12018-3439 (HD 104471) : ALADIN DSS IMAGE @ 12h 01m 46.09s -34° 39' 01.1"
 
 
 
 
WDS 12018-3439 I 215 AB (HD 104471) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12018-3439 I 215AB distance=0' 12035-3436 B 1204 distance=22' 12051-3502 JSP 510 distance=47' 11582-3421 UC 2240 distance=48' 12053-3511 LDS 854 distance=54' 12063-3428 B 1205 distance=57' 12062-3459 UC 2269 distance=58' 12041-3531 UC 2261 distance=59' 11567-3453 JSP 507 distance=65' 12019-3333 RST2776 distance=66' 12071-3432 RST2780 distance=67' 12070-3501 TSN 157 distance=68' 12003-3552 SWR 123 distance=76' 12027-3323 BRT1672 distance=77' 12029-3319 LDS4170 distance=81' 12059-3542 SEE 144 distance=81' 12044-3316 LDS 381 distance=90' 12085-3530 HDS1713 distance=98' 12094-3409 RST2782 distance=99' 12100-3442 JC 17AB distance=103' 12100-3442 I 9015AC distance=103' 11572-3605 SKF1911 distance=103' 11532-3441 TDS 650 distance=106' 11538-3348 LDS 371 distance=111' 12023-3630 JSP 508 distance=112' 12007-3247 RUZ 3 distance=113' 12061-3258 HJ 4495AB distance=115' 12061-3258 HJ 4495AC distance=115' 12101-3349 OL 44 distance=116' 11529-3354 HJ 4478 distance=119' 12032-3637 KPP1061 distance=120' 11534-3340 SKF1910 distance=120' 12093-3316 KPP2092 distance=126' 12003-3644 HJ 4487 distance=128' 12003-3231 LDS4164 distance=130' 12008-3230 RSS 277 distance=130' 12056-3237 KPP1884 distance=131' 12057-3237 TSN 84 distance=132' 11553-3255 DAM1443 distance=132' 11552-3250 LDS5745 distance=135' 12011-3222 COO 134 distance=138' 12035-3655 HJ 4499 distance=138' 12107-3604 KPP 628 distance=139' 12062-3233 DAM 571 distance=140' 12070-3235 RST1645 distance=141' 12098-3621 TDS8251 distance=142' 12130-3405 KPP2723 distance=143' 12123-3552 TDS8264 distance=149' 12106-3254 RST2783 distance=153' 11517-3312 UC 2222AB distance=153' 12064-3217 TVB 248 distance=154' 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 12018-3439 I 215 AB 310 0.3
Show 12018-3439 DSG 14 Aa,Ab 255 0.0
Show 12035-3436 B 1204 12 0.3 22
Show 12051-3502 JSP 510 225 1.6 47
Show 11582-3421 UC 2240 7 6.9 48
Show 12053-3511 LDS 854 115 28.2 54
Show 12063-3428 B 1205 130 1.2 57
Show 12062-3459 UC 2269 207 9.5 58
Show 12041-3531 UC 2261 302 8.7 59
Show 11567-3453 JSP 507 43 0.7 65
Show 12019-3333 RST2776 85 0.5 66
Show 12071-3432 RST2780 166 1.8 67
Show 12070-3501 TSN 157 46 0.6 68
Show 12003-3552 SWR 123 292 15.8 76
Show 12027-3323 BRT1672 25 3.6 77
Show 12029-3319 LDS4170 3.0 81
Show 12059-3542 SEE 144 177 23.8 81
Show 12044-3316 LDS 381 173 15.5 90
Show 12085-3530 HDS1713 100 0.2 98
Show 12094-3409 RST2782 340 0.4 99
Show 12100-3442 JC 17 AB 17 3.8 103
Show 12100-3442 I 9015 AC 57 81.6 103
Show 11572-3605 SKF1911 142 23.9 103
Show 11532-3441 TDS 650 216 1.0 106
Show 11538-3348 LDS 371 210 10.9 111
Show 12023-3630 JSP 508 62 4.5 112
Show 12007-3247 RUZ 3 105 8.7 113
Show 12061-3258 HJ 4495 AB 319 5.7 115
Show 12061-3258 HJ 4495 AC 46 46.0 115
Show 12101-3349 OL 44 328 3.2 116
Show 11529-3354 HJ 4478 52 0.6 119
Show 12032-3637 KPP1061 167 8.4 120
Show 11534-3340 SKF1910 113 9.1 120
Show 12093-3316 KPP2092 55 16.9 126
Show 12003-3644 HJ 4487 125 5.6 128
Show 12003-3231 LDS4164 90 180.9 130
Show 12008-3230 RSS 277 185 4.7 130
Show 12056-3237 KPP1884 252 14.7 131
Show 12057-3237 TSN 84 24 14.5 132
Show 11553-3255 DAM1443 165 4.4 132
Show 11552-3250 LDS5745 64 137.0 135
Show 12011-3222 COO 134 167 5.0 138
Show 12035-3655 HJ 4499 45 7.6 138
Show 12107-3604 KPP 628 304 5.7 139
Show 12062-3233 DAM 571 2 10.9 140
Show 12070-3235 RST1645 47 2.6 141
Show 12098-3621 TDS8251 42 0.6 142
Show 12130-3405 KPP2723 223 3.5 143
Show 12123-3552 TDS8264 253 0.6 149
Show 12106-3254 RST2783 86 1.8 153
Show 11517-3312 UC 2222 AB 170 100.7 153

 
 
WDS 12018-3439 : COMPONENTS
 
 
  A Ab
Ab pa=252.1°
sep=0.01"
 
B pa=315.2°
sep=0.25"
pa=317.8°
sep=0.24"
 
 
12018-3439 A
 
 
Name HD 104471 Coord arcsec 2000 120146.09-343901.1 Mag 7.27 Spectral class G0V (yellow)
PmRA -191.00 PmDE 17.0 SAO 203046 HIP 58669
Tycho2 7239-00971-1 HD 104471 GC 16443 CD CD-33 8130
Tycho2
Tycho2 7239-00971-1 Pflag RAmdeg 180.44209795 DEmdeg -34.65030405
PmRA -191.1 PmDE 17.2 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.40 EpDEm 1990.98
Num 14 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.0 BTmag 7.671 E BTmag 0.015 VTmag 7.036
E VTmag 0.010 Prox 999 TYC T HIP 58669
CCDM AB RAdeg 180.44263306 DEdeg -34.65034556 EpRA 1990 1.71
EpDE 1990 1.39 E RAdeg 4.0 E DEdeg 4.9 Posflg P
Corr 0.1
SAO
SAO 203046 DelFlag RA1950 PmRA1950 -0.016
DE1950 PmDE1950 0.012 Vmag 6.9 SpType G0
Double code Source 70 CatNum 16443 DM CD-33 8130
DMcomp BDsup HD 104471 M HD 0
GC 16443 RA1950rad 3.13817355 DE1950rad -0.59990577 PmRA2000 -0.0158
PmDE2000 0.016
Hipparcos
Catalog H HIP 58669 Proxy H RAhms 12 01 46.23
DEdms -34 39 01.2 Vmag 6.91 VarFlag R Vmag G
RAdeg 180.443 DEdeg -34.6503 AstroRef B Plx 17.8
CCDM 12018-3439 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 93 Rho 0.752 HD 104471 BD
CD CD-33 8130 CP Dm number -33 8130 VIred 0.63
SpType G0V R SpType Coord arcsec 2000 120146.23-343901.2
Hipparcos 2
HIP 58669 Sn 15 So 3 Nc 2
RArad 3.1493177059 DErad -0.6047625782 Plx 17.87 PmRA -185.28
PmDE 10.64 E RArad 0.69 E DErad 0.39 E Plx 0.77
E pmRA 0.78 E pmDE 0.48 Hpmag 7.0312 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.586 E BV 0.006
VI 0.63
CCDM
Ccdm 12018-3439 RComp Comp A Note1
Note2 Discov num DRAs -1.90 DDEs -1.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.3 Sp G0 PmNote *
PmRA -192 PmDE 7 Dm number -33 8130 Cat1 CD
Name2 203046 Cat2 SAO HD 104471 M HD
ADS BDS M ADS BDS N IDS IDS 11567S3406A
HIC 58669
 
 
12018-3439 Ab
 
 
Coord arcsec 2000 120146.09-343901.1 Mag 8 PmRA -191.00 PmDE 17.0
Calc coord yes
 
 
12018-3439 B
 
 
Coord arcsec 2000 120146.08-343900.9 Mag 8.48 PmRA -191.00 PmDE 17.0
Calc delta mag 0.48 Calc coord yes
CCDM
Ccdm 12018-3439 RComp Comp B Note1 *
Note2 Discov num I 215 DRAs DDEs
R dRAs Year 1960 Theta 121 Rho 0.6
Obs 99 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 11567S3406B
HIC 58669