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Doubles in session


Current system
00298+6904
A 649
HD 2549


Nearby doubles
41' : 00248+6835
CBL 572

43' : 00360+6838
TDS1540

45' : 00333+6824
TDS1518

45' : 00268+6946
KPP4415

50' : 00353+6944
HDS 77

54' : 00254+6953
TDS1456

55' : 00326+6812
SKF1991

57' : 00202+6841
TDS1406

65' : 00188+6932
TDS1393AB

68' : 00324+7011
CBL 576

72' : 00198+6953
HJ 1952

73' : 00170+6929
CBL 567

84' : 00413+7003
LDS1513

87' : 00323+7030
LDS1510

89' : 00325+6737
MLB 326

90' : 00133+6919
KUI 1AB

90' : 00319+6735
MLB 325

92' : 00198+6752
MLR 285

97' : 00363+7034
MLR 287

98' : 00458+6820
KPP3430

98' : 00210+6740
HJ 1018

105' : 00121+6826
MLR 281

107' : 00453+6801
WFC 4

108' : 00402+6733
MLB 380

110' : 00185+6735
TDS1391

112' : 00321+6715
VYS 2AB



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

00298+6904 A 649 (HD 2549)

 
 
00h 29m 49.39s +69° 04' 29.4" P.A. 319.00 sep 0.4 mag 9.60,9.58 Sp A2
 
 
Coord 2000 00298+6904 Discov num A   649 Comp Coord arcsec 2000 00 29 49.39 +69 04 29.4
Date first 1904 Date last 2021 Obs 17
Pa first 306 Pa last 318.7 P.A. Now (θ) 318.7°
Sep first 0.4 Sep last 0.428 Sep. Now (ρ) 0.428"
Mag pri 9.60 Mag sec 9.58 delta mag (ΔM) 0.02 Spectral class A2 (white)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2549 Constellation Cassiopeia SAO 11226 Tycho2 4295-00555-1
Gaia DR2 529716187975715712 HD 2549
 
 
WDS 00298+6904 A 649 (HD 2549) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00298+6904 A 649 1993 15 304 0.4 9.60 9.58 A2 +68 26 002949.39+690429.4
00298+6904 A 649 2008 16 322 0.4 9.60 9.58 A2 +68 26 002949.39+690429.4
00298+6904 A 649 2021 17 319 0.4 9.60 9.58 A2 +68 26 002949.39+690429.4

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

 
 
WDS 00298+6904 A 649 (HD 2549) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00298+6904 A 649 (HD 2549) : MEASURES
 
 
No records found.

 
 
WDS 00298+6904 (HD 2549) : VIRTUAL EYEPIECE
 
 

00298+6904 A 649A mag 9.6 Sp A2 00298+6904 A 649B sep 0.4 P.A. 318.70 mag 9.58 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00298+6904 (HD 2549) : ALADIN DSS IMAGE @ 00h 29m 49.39s +69° 04' 29.4"
 
 
 
 
WDS 00298+6904 A 649 (HD 2549) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00298+6904 A 649 distance=0' 00248+6835 CBL 572 distance=41' 00360+6838 TDS1540 distance=43' 00333+6824 TDS1518 distance=45' 00268+6946 KPP4415 distance=45' 00353+6944 HDS 77 distance=50' 00254+6953 TDS1456 distance=54' 00326+6812 SKF1991 distance=55' 00202+6841 TDS1406 distance=57' 00188+6932 TDS1393AB distance=65' 00324+7011 CBL 576 distance=68' 00198+6953 HJ 1952 distance=72' 00170+6929 CBL 567 distance=73' 00413+7003 LDS1513 distance=84' 00323+7030 LDS1510 distance=87' 00325+6737 MLB 326 distance=89' 00133+6919 JNN 248BC distance=90' 00133+6919 KUI 1AB distance=90' 00319+6735 MLB 325 distance=90' 00198+6752 MLR 285 distance=92' 00363+7034 MLR 287 distance=97' 00369+7034 KPP4423DE distance=97' 00458+6820 KPP3430 distance=98' 00210+6740 HJ 1018 distance=98' 00121+6826 MLR 281 distance=105' 00453+6801 WFC 4 distance=107' 00402+6733 MLB 380 distance=108' 00185+6735 TDS1391 distance=110' 00321+6715 MCY 1Aa,Ab distance=112' 00321+6715 VYS 2AB distance=112' 00333+7059 LDS5278 distance=116' 00257+7100 TDS1459 distance=118' 00201+7054 HDS 43 distance=121' 00223+6709 IPH 1 distance=124' 00464+7034 ALD 9 distance=124' 00385+6705 MLB 327 distance=129' 00406+7102 LDS1512 distance=130' 00498+7027 ENG 2 distance=133' 00214+6700 STT 6AB distance=133' 00214+6700 STF 26AB,C distance=133' 00402+6701 CBL 584 distance=137' 00260+6647 HJ 1026 distance=140' 00344+6645 HDS 76 distance=142' 00369+6648 SKF2559CD distance=143' 00369+6648 MLR 288AB distance=143' 00369+6648 SKF2559AC distance=143' 00231+6641 KPP2377 distance=149' 00154+6659 MLB 323 distance=150' 00109+6715 ES 113 distance=152' 00426+7122 STF 48AB distance=153' 00426+7122 BAZ 1BC distance=153' 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 00298+6904 A 649 319 0.4 0
Show 00248+6835 CBL 572 10 4.6 41
Show 00360+6838 TDS1540 297 6.9 43
Show 00333+6824 TDS1518 169 0.9 45
Show 00268+6946 KPP4415 197 3.5 45
Show 00353+6944 HDS 77 190 0.1 50
Show 00254+6953 TDS1456 94 0.8 54
Show 00326+6812 SKF1991 205 4.4 55
Show 00202+6841 TDS1406 15 2.0 57
Show 00188+6932 TDS1393 AB 186 0.7 65
Show 00324+7011 CBL 576 253 16.7 68
Show 00198+6953 HJ 1952 98 23.9 72
Show 00170+6929 CBL 567 18 30.7 73
Show 00413+7003 LDS1513 26 8.0 84
Show 00323+7030 LDS1510 292 31.1 87
Show 00325+6737 MLB 326 134 3.1 89
Show 00133+6919 JNN 248 BC 89 0.8 90
Show 00133+6919 KUI 1 AB 278 0.7 90
Show 00319+6735 MLB 325 333 4.2 90
Show 00198+6752 MLR 285 189 1.3 92
Show 00363+7034 MLR 287 95 2.9 97
Show 00369+7034 KPP4423 DE 4 3.1 97
Show 00458+6820 KPP3430 339 1.6 98
Show 00210+6740 HJ 1018 87 1.5 98
Show 00121+6826 MLR 281 219 1.1 105
Show 00453+6801 WFC 4 334 4.5 107
Show 00402+6733 MLB 380 199 1.6 108
Show 00185+6735 TDS1391 167 2.0 110
Show 00321+6715 MCY 1 Aa,Ab 296 0.4 112
Show 00321+6715 VYS 2 AB 186 3.5 112
Show 00333+7059 LDS5278 224 54.7 116
Show 00257+7100 TDS1459 232 0.9 118
Show 00201+7054 HDS 43 53 0.2 121
Show 00223+6709 IPH 1 282 21.2 124
Show 00464+7034 ALD 9 25 4.8 124
Show 00385+6705 MLB 327 68 7.0 129
Show 00406+7102 LDS1512 19 28.0 130
Show 00498+7027 ENG 2 274 96.1 133
Show 00214+6700 STT 6 AB 153 0.7 133
Show 00214+6700 STF 26 AB,C 115 13.1 133
Show 00402+6701 CBL 584 354 43.7 137
Show 00260+6647 HJ 1026 192 12.5 140
Show 00344+6645 HDS 76 41 0.1 142
Show 00369+6648 SKF2559 CD 251 3.9 143
Show 00369+6648 MLR 288 AB 72 1.4 143
Show 00369+6648 SKF2559 AC 49 29.0 143
Show 00231+6641 KPP2377 261 20.5 149
Show 00154+6659 MLB 323 141 1.7 150
Show 00109+6715 ES 113 127 7.0 152
Show 00426+7122 STF 48 AB 333 5.4 153
Show 00426+7122 BAZ 1 BC 318 60.5 153

 
 
WDS 00298+6904 : COMPONENTS
 
 
  A
B pa=318.7°
sep=0.43"
 
 
00298+6904 A
 
 
Name HD 2549 Coord arcsec 2000 002949.39+690429.4 Mag 9.6 Spectral class A2 (white)
PmRA -4.00 PmDE -11.0
CCDM
Ccdm 00298+6904 RComp Comp A Note1
Note2 Discov num DRAs 1.44 DDEs 29.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp A2 PmNote *
PmRA 5 PmDE -14 Dm number +68 26 Cat1 BD
Name2 +68 27 Cat2 AGK2/3 HD 2549 M HD
ADS BDS A 397 M ADS BDS N IDS IDS 00240N6831A
HIC
 
 
00298+6904 B
 
 
Coord arcsec 2000 002949.34+690429.7 Mag 9.58 PmRA -4.00 PmDE -11.0
SAO 11226 Tycho2 4295-00555-1 HD 2549 DM BD+68 26
Delta magnitude 0.02 Coordinate calculated yes
Tycho2
Tycho2 4295-00555-1 Pflag RAmdeg 7.45569323 DEmdeg 69.07486773
PmRA -3.8 PmDE -11.1 E RAmdeg 7 E DEmdeg 7
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.09 EpDEm 1991.12
Num 8 Q RAmdeg 1.3 Q DEmdeg 1.1 Q pmRA 1.4
Q pmDE 1.3 BTmag 9.174 E BTmag 0.017 VTmag 8.934
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 7.45571833 DEdeg 69.07489333 EpRA 1990 1.69
EpDE 1990 1.68 E RAdeg 7.2 E DEdeg 7.1 Posflg
Corr 0.0
SAO
SAO 11226 DelFlag RA1950 PmRA1950 -0.003
DE1950 PmDE1950 0.033 Vmag 8.3 SpType A2
Double code Source 2 CatNum 27 DM BD+68 26
DMcomp BDsup HD 2549 M HD 0
GC RA1950rad 0.11738574 DE1950rad 1.20077065 PmRA2000 -0.0031
PmDE2000 0.026
CCDM
Ccdm 00298+6904 RComp Comp B Note1
Note2 Discov num A 649 DRAs DDEs
R dRAs Year 1904 Theta 309 Rho 0.4
Obs 6 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 397 M ADS BDS N IDS IDS 00240N6831B
HIC