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Doubles in session


Current system
04497-6558
TDS 2980
HD 270801


Nearby doubles
17' : 04475-6607
TDS 147

24' : 04460-6605
HDS 613

37' : 04501-6635
OGL 238

40' : 04519-6635
OGL 245

44' : 04565-6611
UC 1237

48' : 04453-6519
UC 1209

51' : 04486-6648
OGL 232

52' : 04503-6649
OGL 239AB

52' : 04566-6629
DON 89AB

52' : 04566-6628
UC 1239

54' : 04501-6505
RST 114

54' : 04569-6629
UC 1241

54' : 04557-6637
OGL 258

56' : 04515-6653
OGL 242

60' : 04436-6645
UC 1205

62' : 04535-6655
HJ 3710

63' : 04395-6601
DON 76AB

66' : 04412-6519
HJ 3689AB

67' : 04431-6506
KPP 915

68' : 04552-6656
OGL 255

70' : 04521-6706
OGL 246

73' : 04506-6711
OGL 240

74' : 04423-6657
OGL 220

75' : 04377-6607
HJ 3682AB

87' : 04551-6718
OGL 254

87' : 04544-6720
OGL 252



Selections
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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.

04497-6558 TDS 2980 (HD 270801)

 
 
04h 49m 43.55s -65° 57' 54.4" P.A. 267.00 sep 0.7 mag 10.63,10.88 Sp K0
 
 
Coord 2000 04497-6558 Discov num TDS2980 Comp Coord arcsec 2000 04 49 43.55 -65 57 54.4
Date first 1991 Date last 2016 Obs 4
Pa first 261 Pa last 267.4 P.A. Now (θ) 267.4°
Sep first 0.7 Sep last 0.719 Sep. Now (ρ) 0.719"
Mag pri 10.63 Mag sec 10.88 delta mag (ΔM) 0.25 Spectral class K0 (yellow-orange)
Pri motion ra -031 Sec motion ra -031
Pri motion dec +028 Sec motion dec +028
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 270801 Constellation Dorado Tycho2 8888-00559-1 Gaia DR2 4662942334232773888
HD 270801
 
 
WDS 04497-6558 TDS 2980 (HD 270801) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04497-6558 TDS2980 1991 1 261 0.7 10.63 10.88 044943.55-655754.4
04497-6558 TDS2980 2015 2 267 0.7 10.63 10.88 K0 044943.55-655754.4
04497-6558 TDS2980 2016 4 267 0.7 10.63 10.88 K0 044943.55-655754.4

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

 
 
WDS 04497-6558 TDS 2980 (HD 270801) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04497-6558 TDS 2980 (HD 270801) : MEASURES
 
 
No records found.

 
 
WDS 04497-6558 (HD 270801) : VIRTUAL EYEPIECE
 
 

04497-6558 TDS2980A mag 10.63 Sp K0 04497-6558 TDS2980B sep 0.3 P.A. 263.60 mag 10.88 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 04497-6558 (HD 270801) : ALADIN DSS IMAGE @ 04h 49m 43.55s -65° 57' 54.4"
 
 
 
 
WDS 04497-6558 TDS 2980 (HD 270801) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04497-6558 TDS2980 distance=0' 04475-6607 TDS 147 distance=17' 04460-6605 HDS 613 distance=24' 04501-6635 OGL 238 distance=37' 04519-6635 OGL 245 distance=40' 04565-6611 UC 1237 distance=44' 04453-6519 UC 1209 distance=48' 04486-6648 OGL 232 distance=51' 04503-6649 OGL 239AB distance=52' 04503-6649 OGL 239AC distance=52' 04566-6629 DON 90EF distance=52' 04566-6629 DON 89AB distance=52' 04566-6629 DON 89AC distance=52' 04566-6629 DON 89AD distance=52' 04566-6629 HJ 3716AE distance=52' 04503-6649 OGL 239BC distance=52' 04566-6628 UC 1239 distance=52' 04501-6505 RST 114 distance=54' 04569-6629 UC 1241 distance=54' 04557-6637 OGL 258 distance=54' 04515-6653 OGL 242 distance=56' 04436-6645 UC 1205 distance=60' 04535-6655 HJ 3710 distance=62' 04395-6601 DON 76AB distance=63' 04395-6601 BAU 20AC distance=63' 04412-6519 HJ 3689AB distance=66' 04412-6519 DAW 2BC distance=66' 04431-6506 KPP 915 distance=67' 04552-6656 OGL 255 distance=68' 04521-6706 OGL 246 distance=70' 04506-6711 OGL 240 distance=73' 04423-6657 OGL 220 distance=74' 04377-6607 HJ 3682AB distance=75' 04377-6607 BAU 19AC distance=75' 04551-6718 OGL 254 distance=87' 04544-6720 OGL 252 distance=87' 04419-6714 OGL 219 distance=90' 05044-6615 SKF1835 distance=91' 04432-6723 OGL 223 distance=94' 04569-6721 OGL 266 distance=94' 05037-6639 UC 1259 distance=94' 04344-6612 HDS 595 distance=95' 04379-6701 OGL 210 distance=95' 04372-6658 OGL 207 distance=97' 04492-6736 OGL 236 distance=99' 04363-6655 OGL 205 distance=99' 04358-6655 OGL 204 distance=101' 05024-6454 GLI 32AB distance=102' 05024-6454 BAU 22AC distance=102' 05064-6558 DON 94 distance=102' 04397-6722 OGL 215 distance=103' 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 04497-6558 TDS2980 267 0.7
Show 04475-6607 TDS 147 202 1.1 17
Show 04460-6605 HDS 613 234 0.2 24
Show 04501-6635 OGL 238 241 2.3 37
Show 04519-6635 OGL 245 116 1.4 40
Show 04565-6611 UC 1237 295 33.3 44
Show 04453-6519 UC 1209 231 22.7 48
Show 04486-6648 OGL 232 120 24.1 51
Show 04503-6649 OGL 239 AB 173 38.9 52
Show 04503-6649 OGL 239 AC 169 36.5 52
Show 04566-6629 DON 90 EF 340 1.3 52
Show 04566-6629 DON 89 AB 190 1.1 52
Show 04566-6629 DON 89 AC 11 2.4 52
Show 04566-6629 DON 89 AD 234 2.3 52
Show 04566-6629 HJ 3716 AE 291 4.7 52
Show 04503-6649 OGL 239 BC 43 3.9 52
Show 04566-6628 UC 1239 9 64.9 52
Show 04501-6505 RST 114 282 0.3 54
Show 04569-6629 UC 1241 30 47.6 54
Show 04557-6637 OGL 258 196 11.0 54
Show 04515-6653 OGL 242 229 1.8 56
Show 04436-6645 UC 1205 90 61.9 60
Show 04535-6655 HJ 3710 86 11.9 62
Show 04395-6601 DON 76 AB 2 5.7 63
Show 04395-6601 BAU 20 AC 95 28.2 63
Show 04412-6519 HJ 3689 AB 29 23.4 66
Show 04412-6519 DAW 2 BC 107 3.7 66
Show 04431-6506 KPP 915 239 7.6 67
Show 04552-6656 OGL 255 253 14.9 68
Show 04521-6706 OGL 246 336 32.4 70
Show 04506-6711 OGL 240 224 0.9 73
Show 04423-6657 OGL 220 284 2.3 74
Show 04377-6607 HJ 3682 AB 14 25.2 75
Show 04377-6607 BAU 19 AC 208 45.5 75
Show 04551-6718 OGL 254 281 2.6 87
Show 04544-6720 OGL 252 190 316.6 87
Show 04419-6714 OGL 219 213 2.4 90
Show 05044-6615 SKF1835 218 2.0 91
Show 04432-6723 OGL 223 162 2.2 94
Show 04569-6721 OGL 266 338 5.9 94
Show 05037-6639 UC 1259 53 58.6 94
Show 04344-6612 HDS 595 194 0.1 95
Show 04379-6701 OGL 210 331 35.4 95
Show 04372-6658 OGL 207 320 1.2 97
Show 04492-6736 OGL 236 261 1.8 99
Show 04363-6655 OGL 205 176 14.9 99
Show 04358-6655 OGL 204 12 1.3 101
Show 05024-6454 GLI 32 AB 174 41.7 102
Show 05024-6454 BAU 22 AC 56 59.8 102
Show 05064-6558 DON 94 32 1.3 102
Show 04397-6722 OGL 215 251 2.8 103

 
 
WDS 04497-6558 : COMPONENTS
 
 
  A
B pa=263.6°
sep=0.29"
 
 
04497-6558 A
 
 
Componente originario normalizzato AB Name HD 270801 Coord arcsec 2000 044943.55-655754.4 Mag 10.63
Spectral class K0 (yellow-orange) PmRA -31.00 PmDE 28.0 Tycho2 8888-00559-1
HD 270801
Tycho2
Tycho2 8888-00559-1 Pflag RAmdeg 72.43119936 DEmdeg -65.96513339
PmRA -31.2 PmDE 27.8 E RAmdeg 23 E DEmdeg 24
E pmRA 1.8 E pmDE 1.7 EpRAm 1984.88 EpDEm 1984.46
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 11.306 E BTmag 0.064 VTmag 10.150
E VTmag 0.036 Prox 999 TYC T HIP
CCDM RAdeg 72.43137861 DEdeg -65.96519833 EpRA 1990 1.67
EpDE 1990 1.74 E RAdeg 28.3 E DEdeg 28.7 Posflg P
Corr 0.0
 
 
04497-6558 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 044943.50-655754.4 Mag 10.88 PmRA -31.00
PmDE 28.0 Calc delta mag 0.25 Calc coord yes