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Doubles in session


Current system
11270-6903
HDO 211 AB
HD 99644


Nearby doubles
22' : 11304-6914
DAW 57

35' : 11207-6907
DON 476

35' : 11330-6916
DON 488

36' : 11219-6840
KPP3844

38' : 11301-6937
HJ 4443

44' : 11206-6930
DON 475

48' : 11335-6831
NSN 260

52' : 11299-6952
DON 485

57' : 11373-6917
TDS7962

61' : 11308-6806
TDS7901

61' : 11181-6826
HDS1613

62' : 11264-6801
KPP 953

65' : 11276-7008
DON 483

66' : 11391-6855
DON 492

67' : 11372-6940
HDS1647

68' : 11267-7010
DON 482

72' : 11239-7013
DON 479

73' : 11268-7015
TDS7861

74' : 11405-6913
HDS1653

77' : 11149-6826
BRT1988

77' : 11334-7012
SHT 38AB

78' : 11153-6949
TDS 627AB

80' : 11138-6830
TDS7745

83' : 11125-6933
DON 465

84' : 11357-7012
DON 490

91' : 11173-6749
DON 471



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.

11270-6903 HDO 211 AB (HD 99644)

 
 
11h 26m 58.85s -69° 02' 48.5" P.A. 138.00 sep 5.6 mag 8.13,11.30 Sp A3III/IV
 
 
Coord 2000 11270-6903 Discov num HDO 211 Comp AB Coord arcsec 2000 11 26 58.85 -69 02 48.5
Date first 1900 Date last 2011 Obs 3
Pa first 190 Pa last 137.8 P.A. Now (θ) 137.8°
Sep first 12.0 Sep last 5.6 Sep. Now (ρ) 5.6"
Mag pri 8.13 Mag sec 11.30 delta mag (ΔM) 3.17 Spectral class A3III/IV (white)
Pri motion ra -033 Sec motion ra
Pri motion dec +006 Sec motion dec
Notes W
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 99644 Constellation Musca SAO 251409 Tycho2 9225-04802-1
HD 99644
 
 
WDS 11270-6903 HDO 211 AB (HD 99644) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HDO Harvard Obs.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
11270-6903 HDO 211 AB 2011 3 138 5.6 8.13 11.30 A3III/IV -68 1506 W 112658.85-690248.5

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

 
 
WDS 11270-6903 HDO 211 AB (HD 99644) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11270-6903 HDO 211 AB (HD 99644) : MEASURES
 
 
No records found.

 
 
WDS 11270-6903 (HD 99644) : VIRTUAL EYEPIECE
 
 

11270-6903 HDO 211A mag 8.13 Sp A3III/IV 11270-6903 HDO 211B sep 5.6 P.A. 137.80 mag 11.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 11270-6903 (HD 99644) : ALADIN DSS IMAGE @ 11h 26m 58.85s -69° 02' 48.5"
 
 
 
 
WDS 11270-6903 HDO 211 AB (HD 99644) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11270-6903 HDO 211AB distance=0' 11304-6914 DAW 57 distance=22' 11207-6907 DON 476 distance=35' 11330-6916 DON 488 distance=35' 11219-6840 KPP3844 distance=36' 11301-6937 HJ 4443 distance=38' 11206-6930 DON 475 distance=44' 11335-6831 NSN 260 distance=48' 11299-6952 DON 485 distance=52' 11373-6917 TDS7962 distance=57' 11308-6806 TDS7901 distance=61' 11181-6826 HDS1613 distance=61' 11264-6801 KPP 953 distance=62' 11276-7008 DON 483 distance=65' 11391-6855 DON 492 distance=66' 11372-6940 HDS1647 distance=67' 11267-7010 DON 482 distance=68' 11239-7013 DON 479 distance=72' 11268-7015 TDS7861 distance=73' 11405-6913 HDS1653 distance=74' 11149-6826 BRT1988 distance=77' 11334-7012 SHT 38AB distance=77' 11334-7012 SHT 38AC distance=77' 11334-7012 SHT 38AD distance=77' 11334-7012 SHT 38AE distance=77' 11153-6949 TDS 627AB distance=78' 11138-6830 TDS7745 distance=80' 11125-6933 DON 465 distance=83' 11357-7012 DON 490 distance=84' 11173-6749 DON 471 distance=91' 11249-7034 TDS7848 distance=93' 11170-6747 DAM 547 distance=94' 11428-6822 DON 493 distance=95' 11157-6746 MLO 35 distance=99' 11199-7037 JNN 158AB distance=102' 11199-7037 VSP 29Aa,Ab distance=102' 11153-7027 DON 468 distance=104' 11198-7040 DON 473 distance=105' 11080-6931 DON 461 distance=105' 11159-6739 DON 470 distance=105' 11455-6828 MLO 36 distance=107' 11142-6743 DON 467 distance=108' 11372-6731 DON 491 distance=109' 11208-6720 TDS7807 distance=109' 11455-6815 DON 495 distance=112' 11248-6708 HDS1623 distance=116' 11330-7055 HDS1638 distance=117' 11155-6725 DON 469AB distance=118' 11155-6725 HDS1605AC distance=118' 11155-6725 HDS1605Aa,Ab distance=118' 11112-6744 DON 463 distance=118' 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 11270-6903 HDO 211 AB 138 5.6 0
Show 11304-6914 DAW 57 299 4.0 22
Show 11207-6907 DON 476 254 2.0 35
Show 11330-6916 DON 488 67 1.2 35
Show 11219-6840 KPP3844 202 2.9 36
Show 11301-6937 HJ 4443 112 8.5 38
Show 11206-6930 DON 475 272 1.4 44
Show 11335-6831 NSN 260 146 2.0 48
Show 11299-6952 DON 485 322 0.9 52
Show 11373-6917 TDS7962 70 0.4 57
Show 11308-6806 TDS7901 218 0.5 61
Show 11181-6826 HDS1613 279 0.3 61
Show 11264-6801 KPP 953 153 7.8 62
Show 11276-7008 DON 483 331 6.9 65
Show 11391-6855 DON 492 72 0.4 66
Show 11372-6940 HDS1647 281 0.2 67
Show 11267-7010 DON 482 279 1.5 68
Show 11239-7013 DON 479 285 1.4 72
Show 11268-7015 TDS7861 194 2.7 73
Show 11405-6913 HDS1653 52 13.8 74
Show 11149-6826 BRT1988 175 3.7 77
Show 11334-7012 SHT 38 AB 197 4.5 77
Show 11334-7012 SHT 38 AC 155 5.2 77
Show 11334-7012 SHT 38 AD 323 5.5 77
Show 11334-7012 SHT 38 AE 31 6.1 77
Show 11153-6949 TDS 627 AB 140 2.8 78
Show 11138-6830 TDS7745 351 1.5 80
Show 11125-6933 DON 465 91 1.1 83
Show 11357-7012 DON 490 39 0.8 84
Show 11173-6749 DON 471 218 42.3 91
Show 11249-7034 TDS7848 355 0.5 93
Show 11170-6747 DAM 547 334 5.8 94
Show 11428-6822 DON 493 129 2.0 95
Show 11157-6746 MLO 35 230 4.2 99
Show 11199-7037 JNN 158 AB 43 3.3 102
Show 11199-7037 VSP 29 Aa,Ab 220 0.1 102
Show 11153-7027 DON 468 82 0.8 104
Show 11198-7040 DON 473 317 4.0 105
Show 11080-6931 DON 461 123 6.1 105
Show 11159-6739 DON 470 244 3.2 105
Show 11455-6828 MLO 36 2 6.1 107
Show 11142-6743 DON 467 216 4.7 108
Show 11372-6731 DON 491 274 0.5 109
Show 11208-6720 TDS7807 195 2.9 109
Show 11455-6815 DON 495 11 1.5 112
Show 11248-6708 HDS1623 105 0.2 116
Show 11330-7055 HDS1638 190 7.7 117
Show 11155-6725 DON 469 AB 41 16.3 118
Show 11155-6725 HDS1605 AC 200 2.7 118
Show 11155-6725 HDS1605 Aa,Ab 24 0.5 118
Show 11112-6744 DON 463 293 4.9 118

 
 
WDS 11270-6903 : COMPONENTS
 
 
  A
B pa=137.8°
sep=5.60"
 
 
11270-6903 A
 
 
Name HD 99644 Coord arcsec 2000 112658.85-690248.5 Mag 8.13 Spectral class A3III/IV (white)
PmRA -33.00 PmDE 6.0 SAO 251409 Tycho2 9225-04802-1
HD 99644 DM CP-68 1506
Tycho2
Tycho2 9225-04802-1 Pflag RAmdeg 171.74524215 DEmdeg -69.04683180
PmRA -28.4 PmDE 4.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.32 EpDEm 1991.33
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.8 Q pmRA 0.8
Q pmDE 1.7 BTmag 8.369 E BTmag 0.016 VTmag 8.130
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 171.74542611 DEdeg -69.04684250 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 5.4 E DEdeg 5.3 Posflg
Corr 0.0
SAO
SAO 251409 DelFlag RA1950 PmRA1950 -0.0058
DE1950 PmDE1950 -0.008 Vmag 7.9 SpType F5
Double code Source 61 CatNum 2521 DM CP-68 1506
DMcomp BDsup HD 99644 M HD 0
GC RA1950rad 2.98822068 DE1950rad -1.20029627 PmRA2000 -0.007
PmDE2000 -0.002
CCDM
Ccdm 11270-6903 RComp Comp A Note1
Note2 Discov num DRAs -1.26 DDEs 9.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A2 PmNote *
PmRA -32 PmDE -8 Dm number -68 1506 Cat1 CPD
Name2 251409 Cat2 SAO HD 99644 M HD
ADS BDS M ADS BDS N IDS IDS 11227S6830A
HIC
 
 
11270-6903 B
 
 
Coord arcsec 2000 112659.55-690252.6 Mag 11.3 Delta magnitude 3.17 Coordinate calculated yes
CCDM
Ccdm 11270-6903 RComp Comp B Note1
Note2 Discov num HDO 211 DRAs DDEs
R dRAs Year Theta 190 Rho 12.0
Obs Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 11227S6830B
HIC