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Doubles in session


Current system
12055-6955
DON 509
HD 105027


Nearby doubles
25' : 12051-6930
TDS8215

34' : 12010-6930
TDS8166

35' : 12079-7027
KPP 262

40' : 12128-7009
EVS 17AB

56' : 11569-6923
KPP2884

62' : 12041-6853
R 190

67' : 12184-6953
TDS8314

70' : 12031-7103
LDS 379

73' : 12157-6906
DON 517

76' : 11589-7103
LDS 376

77' : 12203-6947
HJ 4515

81' : 11578-6845
DON 502

82' : 11548-7055
HEI 361

82' : 12116-7111
ELP 29AB

90' : 11490-7023
DON 496

92' : 12064-6823
DON 510

96' : 12046-6820
SHT 44AB

96' : 11578-7121
HJ 4483

97' : 12220-6910
MLO 42

100' : 12249-6952
KPP2986

103' : 11508-7106
B 1707

108' : 12255-6929
HJ 4522AB

108' : 12025-6808
DON 505

108' : 12022-6807
DON 504

114' : 11465-7055
RSS 15

115' : 12161-7137
TDS8294



Selections
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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12055-6955 DON 509 (HD 105027)

 
 
12h 05m 32.91s -69° 54' 47.5" P.A. 195.00 sep 0.3 mag 9.57,10.20 Sp B9.5V dist. 507.61 pc (1655.82 l.y.)
 
 
Coord 2000 12055-6955 Discov num DON 509 Comp Coord arcsec 2000 12 05 32.91 -69 54 47.5
Date first 1932 Date last 1991 Obs 3
Pa first 192 Pa last 195 P.A. Now (θ) 195°
Sep first 0.3 Sep last 0.298 Sep. Now (ρ) 0.298"
Mag pri 9.57 Mag sec 10.20 delta mag (ΔM) 0.63 Spectral class B9.5V (blue-white)
Pri motion ra -016 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 105027 Constellation Musca HIP 58974 Tycho2 9231-01287-1
Gaia DR2 5855909186218200576 HD 105027 CP CP-69 1630 Distance 507.61
Distance ly 1655.82
 
 
WDS 12055-6955 DON 509 (HD 105027) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12055-6955 DON 509 1991 3 195 0.3 9.57 10.20 B9.5V D 120532.91-695447.5

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

 
 
WDS 12055-6955 DON 509 (HD 105027) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12055-6955 DON 509 (HD 105027) : MEASURES
 
 
No records found.

 
 
WDS 12055-6955 (HD 105027) : VIRTUAL EYEPIECE
 
 

12055-6955 DON 509A mag 9.57 Sp B9.5V 12055-6955 DON 509B sep 0.3 P.A. 185.30 mag 10.2 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 12055-6955 (HD 105027) : ALADIN DSS IMAGE @ 12h 05m 32.91s -69° 54' 47.5"
 
 
 
 
WDS 12055-6955 DON 509 (HD 105027) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12055-6955 DON 509 distance=0' 12051-6930 TDS8215 distance=25' 12010-6930 TDS8166 distance=34' 12079-7027 KPP 262 distance=35' 12128-7009 EVS 17AB distance=40' 12128-7009 GAA 13Aa,Ab distance=40' 11569-6923 KPP2884 distance=56' 12041-6853 R 190 distance=62' 12184-6953 TDS8314 distance=67' 12031-7103 LDS 379 distance=70' 12157-6906 DON 517 distance=73' 11589-7103 LDS 376 distance=76' 12203-6947 HJ 4515 distance=77' 11578-6845 DON 502 distance=81' 11548-7055 HEI 361 distance=82' 12116-7111 ELP 29AB distance=82' 11490-7023 DON 496 distance=90' 12064-6823 DON 510 distance=92' 12046-6820 HDS1698Aa,Ab distance=96' 12046-6820 SHT 44AB distance=96' 12046-6820 SHT 44AC distance=96' 11578-7121 HJ 4483 distance=96' 12220-6910 MLO 42 distance=97' 12249-6952 KPP2986 distance=100' 11508-7106 B 1707 distance=103' 12255-6929 HJ 4522AB distance=108' 12255-6929 SIN 116AC distance=108' 12025-6808 DON 505 distance=108' 12022-6807 DON 504 distance=108' 11465-7055 RSS 15 distance=114' 12161-7137 TDS8294 distance=115' 11591-6805 KPP 258 distance=116' 12189-6822 TDS8320 distance=117' 11505-7126 KPP 781 distance=118' 11580-7147 B 1712 distance=119' 11554-7150 B 2733BC distance=125' 11554-7150 HDS1680Aa,Ab distance=126' 11554-7150 B 2733AB distance=126' 12013-6750 LDS 378 distance=127' 12187-6755 LDS 401 distance=138' 12068-7212 HEI 228Aa,Ab distance=138' 12068-7212 R 184AB distance=138' 12068-7212 R 184AC distance=138' 11573-6744 WFC 118 distance=139' 11560-6747 MLO 38 distance=139' 12107-6737 TDS8257 distance=141' 12096-6727 HDS1716 distance=150' 12036-7229 TDS8200 distance=155' 11553-6726 KPP1933 distance=160' 11471-6750 MLO 37 distance=160' 11478-6746 HDS1667 distance=161' 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 12055-6955 DON 509 195 0.3
Show 12051-6930 TDS8215 206 1.9 25
Show 12010-6930 TDS8166 222 0.6 34
Show 12079-7027 KPP 262 37 3.5 35
Show 12128-7009 EVS 17 AB 183 5.0 40
Show 12128-7009 GAA 13 Aa,Ab 168 0.0 40
Show 11569-6923 KPP2884 93 1.6 56
Show 12041-6853 R 190 232 11.8 62
Show 12184-6953 TDS8314 37 0.9 67
Show 12031-7103 LDS 379 45 143.0 70
Show 12157-6906 DON 517 52 3.3 73
Show 11589-7103 LDS 376 304 32.2 76
Show 12203-6947 HJ 4515 53 13.3 77
Show 11578-6845 DON 502 255 2.0 81
Show 11548-7055 HEI 361 301 1.6 82
Show 12116-7111 ELP 29 AB 146 2.0 82
Show 11490-7023 DON 496 279 1.2 90
Show 12064-6823 DON 510 105 0.2 92
Show 12046-6820 HDS1698 Aa,Ab 159 0.7 96
Show 12046-6820 SHT 44 AB 327 3.5 96
Show 12046-6820 SHT 44 AC 28 6.6 96
Show 11578-7121 HJ 4483 109 10.9 96
Show 12220-6910 MLO 42 2 4.1 97
Show 12249-6952 KPP2986 308 2.6 100
Show 11508-7106 B 1707 59 1.1 103
Show 12255-6929 HJ 4522 AB 66 12.7 108
Show 12255-6929 SIN 116 AC 259 19.0 108
Show 12025-6808 DON 505 245 0.9 108
Show 12022-6807 DON 504 146 1.8 108
Show 11465-7055 RSS 15 299 46.4 114
Show 12161-7137 TDS8294 10 0.5 115
Show 11591-6805 KPP 258 192 3.6 116
Show 12189-6822 TDS8320 78 1.2 117
Show 11505-7126 KPP 781 193 6.7 118
Show 11580-7147 B 1712 232 3.3 119
Show 11554-7150 B 2733 BC 322 2.9 125
Show 11554-7150 HDS1680 Aa,Ab 208 0.3 126
Show 11554-7150 B 2733 AB 83 33.4 126
Show 12013-6750 LDS 378 299 17.6 127
Show 12187-6755 LDS 401 20 120.7 138
Show 12068-7212 HEI 228 Aa,Ab 194 0.5 138
Show 12068-7212 R 184 AB 210 25.4 138
Show 12068-7212 R 184 AC 194 60.0 138
Show 11573-6744 WFC 118 272 9.3 139
Show 11560-6747 MLO 38 219 5.6 139
Show 12107-6737 TDS8257 122 4.3 141
Show 12096-6727 HDS1716 77 0.1 150
Show 12036-7229 TDS8200 61 0.6 155
Show 11553-6726 KPP1933 166 15.2 160
Show 11471-6750 MLO 37 37 6.1 160
Show 11478-6746 HDS1667 49 12.2 161

 
 
WDS 12055-6955 : COMPONENTS
 
 
  A
B pa=185.3°
sep=0.29"
 
 
12055-6955 A
 
 
Componente originario normalizzato AB Name HD 105027 Coord arcsec 2000 120532.91-695447.5 Mag 9.57
Spectral class B9.5V (blue-white) PmRA -16.00 PmDE 3.0 HIP 58974
Tycho2 9231-01287-1 HD 105027 CP CP-69 1630
Tycho2
Tycho2 9231-01287-1 Pflag RAmdeg 181.38705537 DEmdeg -69.91320961
PmRA -6.9 PmDE -1.3 E RAmdeg 9 E DEmdeg 9
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.44 EpDEm 1990.38
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.4 BTmag 9.184 E BTmag 0.018 VTmag 9.059
E VTmag 0.017 Prox 530 TYC T HIP 58974
CCDM AB RAdeg 181.38710056 DEdeg -69.91320639 EpRA 1990 1.75
EpDE 1990 1.69 E RAdeg 8.5 E DEdeg 9.2 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 58974 Proxy H RAhms 12 05 32.91
DEdms -69 54 47.5 Vmag 9.04 VarFlag R Vmag H
RAdeg 181.387 DEdeg -69.9132 AstroRef * Plx 3.45
CCDM 12055-6955 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 195 Rho 0.298 HD 105027 BD
CD CP CP-69 1630 Dm number -69 1630 VIred 0.05
SpType B9.5V R SpType Coord arcsec 2000 120532.91-695447.5
Hipparcos 2
HIP 58974 Sn 55 So 3 Nc 2
RArad 3.1658023063 DErad -1.2202155453 Plx 1.97 PmRA -8.12
PmDE -1.54 E RArad 0.82 E DErad 0.88 E Plx 1.15
E pmRA 1.06 E pmDE 0.89 Hpmag 9.0878 E Hpmag 0.0018
SHp 0.017 VA 0 BV 0.125 E BV 0.02
VI 0.14
CCDM
Ccdm 12055-6955 RComp Comp A Note1
Note2 Discov num DRAs 2.88 DDEs 13.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp B9 PmNote *
PmRA -9 PmDE 6 Dm number -69 1630 Cat1 CPD
Name2 Cat2 HD 105027 M HD
ADS BDS M ADS BDS N IDS IDS 12004S6921A
HIC 58974
 
 
12055-6955 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 120532.90-695447.8 Mag 10.2 Calc delta mag 0.63
Calc coord yes
CCDM
Ccdm 12055-6955 RComp Comp B Note1
Note2 Discov num DON 509 DRAs DDEs
R dRAs Year 1932 Theta 192 Rho 0.3
Obs 1 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12004S6921B
HIC 58974