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Doubles in session


Current system
21440-2631
HWE 57
HD 206626


Nearby doubles
30' : 21460-2642
HJ 3054

37' : 21442-2555
RST1105

38' : 21467-2635
SEE 458

41' : 21447-2552
UC 4545

47' : 21474-2630
LDS4907

51' : 21468-2706
STN 55

52' : 21477-2644
DEA 23

57' : 21410-2551
SEE 452

59' : 21432-2728
KPP4245

61' : 21422-2726
TSN 99

65' : 21448-2735
UC 4547AB

76' : 21456-2518
UC 4552

77' : 21423-2744
LDS5926

81' : 21392-2543
NSN 494

94' : 21497-2539
COO 245

100' : 21412-2459
KPP1482

106' : 21416-2813
HJ 3046AB

108' : 21362-2610
RST1098AB

112' : 21363-2715
RST1099

113' : 21423-2821
RST2185

115' : 21499-2509
B 540

115' : 21496-2505
UC 4575

116' : 21420-2439
SEE 453

125' : 21508-2756
HJ 3059

132' : 21406-2834
B 533

133' : 21524-2522
B 541



Selections
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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.

21440-2631 HWE 57 (HD 206626)

 
 
21h 43m 59.70s -26° 31' 02.0" P.A. 290.00 sep 1.7 mag 8.62,10.01 Sp F0V
 
 
Coord 2000 21440-2631 Discov num HWE  57 Comp Coord arcsec 2000 21 43 59.70 -26 31 02.0
Date first 1876 Date last 2016 Obs 19
Pa first 300 Pa last 290.3 P.A. Now (θ) 290.3°
Sep first 1.5 Sep last 1.676 Sep. Now (ρ) 1.676"
Mag pri 8.62 Mag sec 10.01 delta mag (ΔM) 1.39 Spectral class F0V (yellow-white)
Pri motion ra +015 Sec motion ra +015
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206626 Constellation Piscis Austrinus Tycho2 6948-00753-1 Gaia DR2 6811218730116286848
HD 206626
 
 
WDS 21440-2631 HWE 57 (HD 206626) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hwe1876 Ma - Howe, H.A. 1876PCinO...1....1.
Hwe1876 Pub. Cincinnati Obs. #1, 1876
Hwe1877 Ma - Howe, H.A. 1877PCinO...3....1.
Hwe1877 Pub. Cincinnati Obs. #3, 1877
Hwe1878 Ma j Howe, H.A. 1878PCinO...4....1.
Hwe1878 Pub. Cincinnati Obs. #4, 1878
Hwe1879 Ma j Howe, H.A. 1879PCinO...5....1.
Hwe1879 Pub. Cincinnati Obs. #5, 1879
Hwe1882 Ma - Howe, H.A. 1882PCinO...6....1.
Hwe1882 Pub. Cincinnati Obs. #6, 1882
Hwe1906A Ma - Howe, H.A. 1906MmRAS..56....1L
Hwe1906A cited by Lewis (MemRAS 56, 1, 1906)
Hwe1932A - Howe, H.A. 1932QB821.A43......
Hwe1932A cited in ADS (Aitken Double Star Cat.), 1932
Hwe9999 Ma - Howe, H.A. ...................
Hwe9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21440-2631 HWE 57 1991 18 291 1.7 8.62 10.01 F0V 214359.70-263102.0
21440-2631 HWE 57 2016 19 290 1.7 8.62 10.01 F0V 214359.70-263102.0

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

 
 
WDS 21440-2631 HWE 57 (HD 206626) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21440-2631 HWE 57 (HD 206626) : MEASURES
 
 
No records found.

 
 
WDS 21440-2631 (HD 206626) : VIRTUAL EYEPIECE
 
 

21440-2631 HWE 57A mag 8.62 Sp F0V 21440-2631 HWE 57B sep 1.5 P.A. 292.50 mag 10.01 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 21440-2631 (HD 206626) : ALADIN DSS IMAGE @ 21h 43m 59.70s -26° 31' 02.0"
 
 
 
 
WDS 21440-2631 HWE 57 (HD 206626) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21440-2631 HWE 57 distance=0' 21460-2642 HJ 3054 distance=30' 21442-2555 RST1105 distance=37' 21467-2635 SEE 458 distance=38' 21447-2552 UC 4545 distance=41' 21474-2630 LDS4907 distance=47' 21468-2706 STN 55 distance=51' 21477-2644 DEA 23 distance=52' 21410-2551 SEE 452 distance=57' 21432-2728 KPP4245 distance=59' 21422-2726 TSN 99 distance=61' 21448-2735 UC 4547AB distance=65' 21448-2735 UC 4547AC distance=65' 21456-2518 UC 4552 distance=76' 21423-2744 LDS5926 distance=77' 21392-2543 NSN 494 distance=81' 21497-2539 COO 245 distance=94' 21412-2459 KPP1482 distance=100' 21416-2813 HJ 3046AB distance=106' 21416-2813 UC 4530AC distance=106' 21362-2610 RST1098AB distance=108' 21362-2610 TOK 637AC distance=108' 21363-2715 RST1099 distance=112' 21423-2821 RST2185 distance=113' 21499-2509 B 540 distance=115' 21496-2505 UC 4575 distance=115' 21420-2439 SEE 453 distance=116' 21508-2756 HJ 3059 distance=125' 21406-2834 B 533 distance=132' 21524-2522 B 541 distance=133' 21540-2642 B 544 distance=135' 21338-2622 RST1095 distance=137' 21325-2631 RST1093 distance=156' 21335-2753 BVD 137 distance=163' 21559-2701 LDS5936 distance=163' 21443-2348 LDS6360 distance=164' 21546-2509 BRT3103 distance=166' 21563-2717 TDT3249Aa,Ab distance=172' 21563-2717 SEE 461AB distance=172' 21514-2853 LDS5930 distance=174' 21465-2338 UC 4557 distance=176' 21321-2514 B 2495 distance=179' 21451-2332 KPP1689 distance=180' 21316-2740 KPP 496 distance=180' 21389-2921 KPP4239 distance=183' 21395-2928 HJ 5285 distance=187' 21495-2339 KPP 500 distance=188' 21420-2940 HDS3090 distance=192' 21528-2903 UC 4587 distance=192' 21324-2434 UC 4488 distance=196' 21420-2316 SEE 454 distance=198' 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 21440-2631 HWE 57 290 1.7
Show 21460-2642 HJ 3054 15 20.9 30
Show 21442-2555 RST1105 358 0.7 37
Show 21467-2635 SEE 458 82 1.1 38
Show 21447-2552 UC 4545 228 63.1 41
Show 21474-2630 LDS4907 295 5.1 47
Show 21468-2706 STN 55 175 3.3 51
Show 21477-2644 DEA 23 23 78.8 52
Show 21410-2551 SEE 452 113 11.0 57
Show 21432-2728 KPP4245 115 1.3 59
Show 21422-2726 TSN 99 275 656.2 61
Show 21448-2735 UC 4547 AB 62 27.8 65
Show 21448-2735 UC 4547 AC 20 1.8 65
Show 21456-2518 UC 4552 305 10.9 76
Show 21423-2744 LDS5926 81 295.6 77
Show 21392-2543 NSN 494 265 10.3 81
Show 21497-2539 COO 245 306 2.6 94
Show 21412-2459 KPP1482 239 11.1 100
Show 21416-2813 HJ 3046 AB 57 29.0 106
Show 21416-2813 UC 4530 AC 246 79.9 106
Show 21362-2610 RST1098 AB 7 18.2 108
Show 21362-2610 TOK 637 AC 62 999.9 108
Show 21363-2715 RST1099 174 1.5 112
Show 21423-2821 RST2185 121 3.2 113
Show 21499-2509 B 540 326 0.1 115
Show 21496-2505 UC 4575 48 8.9 115
Show 21420-2439 SEE 453 325 11.5 116
Show 21508-2756 HJ 3059 252 25.4 125
Show 21406-2834 B 533 204 0.3 132
Show 21524-2522 B 541 295 0.2 133
Show 21540-2642 B 544 106 1.7 135
Show 21338-2622 RST1095 316 0.9 137
Show 21325-2631 RST1093 227 2.3 156
Show 21335-2753 BVD 137 58 40.2 163
Show 21559-2701 LDS5936 18 9.3 163
Show 21443-2348 LDS6360 111 8.1 164
Show 21546-2509 BRT3103 175 3.6 166
Show 21563-2717 TDT3249 Aa,Ab 33 0.4 172
Show 21563-2717 SEE 461 AB 62 4.0 172
Show 21514-2853 LDS5930 128 257.8 174
Show 21465-2338 UC 4557 162 8.1 176
Show 21321-2514 B 2495 263 11.9 179
Show 21451-2332 KPP1689 185 13.1 180
Show 21316-2740 KPP 496 84 3.8 180
Show 21389-2921 KPP4239 79 1.6 183
Show 21395-2928 HJ 5285 290 10.0 187
Show 21495-2339 KPP 500 312 3.6 188
Show 21420-2940 HDS3090 350 0.1 192
Show 21528-2903 UC 4587 187 10.5 192
Show 21324-2434 UC 4488 62 24.1 196
Show 21420-2316 SEE 454 208 5.1 198

 
 
WDS 21440-2631 : COMPONENTS
 
 
  A
B pa=292.5°
sep=1.52"
 
 
21440-2631 A
 
 
Componente originario normalizzato AB Name HD 206626 Coord arcsec 2000 214359.70-263102.0 Mag 8.62
Spectral class F0V (yellow-white) PmRA 15.00 PmDE -15.0 Tycho2 6948-00753-1
HD 206626
Tycho2
Tycho2 6948-00753-1 Pflag P RAmdeg 325.99876597 DEmdeg -26.51722399
PmRA 15.4 PmDE -14.7 E RAmdeg 7 E DEmdeg 8
E pmRA 3.0 E pmDE 2.8 EpRAm 1991.62 EpDEm 1991.50
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.4 Q pmRA 1.0
Q pmDE 0.4 BTmag 8.970 E BTmag 0.018 VTmag 8.623
E VTmag 0.014 Prox 17 TYC T HIP
CCDM RAdeg 325.99878306 DEdeg -26.51720917 EpRA 1990 1.69
EpDE 1990 1.60 E RAdeg 7.1 E DEdeg 8.0 Posflg D
Corr -0.2
CCDM
Ccdm 21440-2631 RComp Comp A Note1
Note2 Discov num DRAs -0.34 DDEs -1.6
R dRAs 40 Year Theta Rho
Obs 2 Vmag 8.3 Sp F0 PmNote
PmRA PmDE Dm number -2715591 Cat1 CD
Name2 Cat2 HD 206626 M HD
ADS BDS A15257 M ADS BDS N IDS IDS 21382S2658A
HIC
 
 
21440-2631 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214359.60-263101.4 Mag 10.01 PmRA 15.00
PmDE -15.0 Tycho2 6948-00753-2 Calc delta mag 1.39 Calc coord yes
Tycho2
Tycho2 6948-00753-2 Pflag P RAmdeg 325.99876597 DEmdeg -26.51722399
PmRA 15.4 PmDE -14.7 E RAmdeg 7 E DEmdeg 8
E pmRA 3.0 E pmDE 2.8 EpRAm 1991.62 EpDEm 1991.50
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.4 Q pmRA 1.0
Q pmDE 0.4 BTmag 10.570 E BTmag 0.042 VTmag 10.007
E VTmag 0.034 Prox 17 TYC HIP
CCDM RAdeg 325.99829139 DEdeg -26.51704139 EpRA 1990 1.68
EpDE 1990 1.58 E RAdeg 21.3 E DEdeg 25.1 Posflg D
Corr -0.3
CCDM
Ccdm 21440-2631 RComp Comp B Note1
Note2 Discov num HWE 57 DRAs DDEs
R dRAs Year 1954 Theta 297 Rho 1.6
Obs 13 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15257 M ADS BDS N IDS IDS 21382S2658B
HIC