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Doubles in session


Current system
15379-6632
DON 744
HD 138731


Nearby doubles
16' : 15367-6619
DUN 188

18' : 15352-6625
TDS9553

19' : 15358-6617
RST 777

31' : 15332-6621
RST 776

33' : 15424-6651
DON 748

34' : 15379-6706
TDS9567

36' : 15438-6625
TDS9604

38' : 15439-6644
DON 749

41' : 15318-6616
TDS9539

41' : 15420-6600
TDS9594

43' : 15381-6549
MLO 66

45' : 15419-6710
TDS9593

49' : 15403-6719
TDS9586

49' : 15413-6548
RST 785

55' : 15336-6720
DON 737

57' : 15363-6537
RST 778AB

58' : 15286-6619
TDS 775

63' : 15452-6548
TDS 786

64' : 15421-6731
DON1114

64' : 15443-6724
WFC 167

67' : 15442-6728
DON 751

71' : 15308-6536
KRV 53

72' : 15262-6619
RST 765

74' : 15470-6544
TDS9621

74' : 15299-6729
RSS 26

75' : 15492-6707
DON 758



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15379-6632 DON 744 (HD 138731)

 
 
15h 37m 53.91s -66° 32' 17.2" P.A. 184.00 sep 2.0 mag 10.12,10.95 Sp A0V
 
 
Coord 2000 15379-6632 Discov num DON 744 Comp Coord arcsec 2000 15 37 53.91 -66 32 17.2
Date first 1927 Date last 2016 Obs 4
Pa first 186 Pa last 183.8 P.A. Now (θ) 183.8°
Sep first 2.2 Sep last 2.037 Sep. Now (ρ) 2.037"
Mag pri 10.12 Mag sec 10.95 delta mag (ΔM) 0.83 Spectral class A0V (white)
Pri motion ra -005 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 138731 Constellation Triangulum Australe Tycho2 9034-00488-1 Gaia DR2 5823938476141689216
HD 138731
 
 
WDS 15379-6632 DON 744 (HD 138731) : 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
15379-6632 DON 744 1991 3 183 2.0 10.12 10.95 A0V 153753.91-663217.2
15379-6632 DON 744 2016 4 184 2.0 10.12 10.95 A0V 153753.91-663217.2

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

 
 
WDS 15379-6632 DON 744 (HD 138731) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15379-6632 DON 744 (HD 138731) : MEASURES
 
 
No records found.

 
 
WDS 15379-6632 (HD 138731) : VIRTUAL EYEPIECE
 
 

15379-6632 DON 744A mag 10.12 Sp A0V 15379-6632 DON 744B sep 2.0 P.A. 181.50 mag 10.95 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 15379-6632 (HD 138731) : ALADIN DSS IMAGE @ 15h 37m 53.91s -66° 32' 17.2"
 
 
 
 
WDS 15379-6632 DON 744 (HD 138731) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15379-6632 DON 744 distance=0' 15367-6619 DUN 188 distance=16' 15352-6625 TDS9553 distance=18' 15358-6617 RST 777 distance=19' 15332-6621 RST 776 distance=31' 15424-6651 DON 748 distance=33' 15379-6706 TDS9567 distance=34' 15438-6625 TDS9604 distance=36' 15439-6644 DON 749 distance=38' 15318-6616 TDS9539 distance=41' 15420-6600 TDS9594 distance=41' 15381-6549 MLO 66 distance=43' 15419-6710 TDS9593 distance=45' 15403-6719 TDS9586 distance=49' 15413-6548 RST 785 distance=49' 15336-6720 DON 737 distance=55' 15363-6537 RST 778AB distance=57' 15286-6619 TDS 775 distance=58' 15452-6548 TDS 786 distance=63' 15421-6731 DON1114 distance=64' 15443-6724 WFC 167 distance=64' 15442-6728 DON 751 distance=67' 15308-6536 KRV 53 distance=71' 15262-6619 RST 765 distance=72' 15470-6544 TDS9621 distance=74' 15299-6729 RSS 26 distance=74' 15492-6707 DON 758 distance=75' 15389-6514 TDS9575 distance=79' 15423-6747 TDS9597 distance=79' 15457-6529 RST 792 distance=80' 15511-6621 TDS9661 distance=80' 15498-6711 DON 759 distance=80' 15376-6511 B 840 distance=82' 15405-6512 B 2362 distance=82' 15243-6625 RST 763 distance=82' 15471-6532 NSN 353 distance=83' 15244-6617 TDS9508 distance=83' 15509-6601 TDS9659 distance=85' 15518-6619 TDS9666 distance=85' 15362-6507 I 240 distance=87' 15516-6603 NZO 62 distance=88' 15248-6552 HDS2169 distance=90' 15479-6527 RMK 20AB distance=90' 15479-6527 PIC 1AC distance=90' 15476-6743 DON 756 distance=91' 15371-6803 DON1113 distance=92' 15423-6803 LDS 534 distance=95' 15326-6803 TDS9543 distance=96' 15508-6732 NZO 59 distance=97' 15309-6801 TSN 172 distance=98' 15394-6455 WFC 279 distance=98' 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 15379-6632 DON 744 184 2.0
Show 15367-6619 DUN 188 220 82.2 16
Show 15352-6625 TDS9553 6 0.9 18
Show 15358-6617 RST 777 24 2.7 19
Show 15332-6621 RST 776 12 0.7 31
Show 15424-6651 DON 748 285 1.6 33
Show 15379-6706 TDS9567 172 0.4 34
Show 15438-6625 TDS9604 194 4.2 36
Show 15439-6644 DON 749 213 3.9 38
Show 15318-6616 TDS9539 218 0.4 41
Show 15420-6600 TDS9594 21 0.4 41
Show 15381-6549 MLO 66 174 3.6 43
Show 15419-6710 TDS9593 284 0.8 45
Show 15403-6719 TDS9586 187 0.5 49
Show 15413-6548 RST 785 332 2.9 49
Show 15336-6720 DON 737 84 3.8 55
Show 15363-6537 RST 778 AB 21 9.0 57
Show 15286-6619 TDS 775 2 1.3 58
Show 15452-6548 TDS 786 214 1.3 63
Show 15421-6731 DON1114 288 5.7 64
Show 15443-6724 WFC 167 309 9.4 64
Show 15442-6728 DON 751 52 4.1 67
Show 15308-6536 KRV 53 175 37.6 71
Show 15262-6619 RST 765 293 2.5 72
Show 15470-6544 TDS9621 313 0.4 74
Show 15299-6729 RSS 26 242 20.3 74
Show 15492-6707 DON 758 88 2.9 75
Show 15389-6514 TDS9575 164 0.7 79
Show 15423-6747 TDS9597 9 2.5 79
Show 15457-6529 RST 792 74 0.1 80
Show 15511-6621 TDS9661 234 2.2 80
Show 15498-6711 DON 759 26 0.5 80
Show 15376-6511 B 840 42 4.8 82
Show 15405-6512 B 2362 112 7.5 82
Show 15243-6625 RST 763 124 5.5 82
Show 15471-6532 NSN 353 57 6.9 83
Show 15244-6617 TDS9508 47 0.6 83
Show 15509-6601 TDS9659 300 1.6 85
Show 15518-6619 TDS9666 356 0.5 85
Show 15362-6507 I 240 186 2.5 87
Show 15516-6603 NZO 62 105 4.7 88
Show 15248-6552 HDS2169 82 16.1 90
Show 15479-6527 RMK 20 AB 145 1.7 90
Show 15479-6527 PIC 1 AC 31.8 90
Show 15476-6743 DON 756 215 1.2 91
Show 15371-6803 DON1113 107 5.6 92
Show 15423-6803 LDS 534 313 5.0 95
Show 15326-6803 TDS9543 282 1.0 96
Show 15508-6732 NZO 59 39 6.0 97
Show 15309-6801 TSN 172 305 0.3 98
Show 15394-6455 WFC 279 22 11.9 98

 
 
WDS 15379-6632 : COMPONENTS
 
 
  A
B pa=181.5°
sep=2.03"
 
 
15379-6632 A
 
 
Componente originario normalizzato AB Name HD 138731 Coord arcsec 2000 153753.91-663217.2 Mag 10.12
Spectral class A0V (white) PmRA -5.00 PmDE 7.0 Tycho2 9034-00488-1
HD 138731
Tycho2
Tycho2 9034-00488-1 Pflag RAmdeg 234.47461866 DEmdeg -66.53810476
PmRA -5.3 PmDE 6.7 E RAmdeg 16 E DEmdeg 15
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.99 EpDEm 1991.08
Num 3 Q RAmdeg 1.3 Q DEmdeg 0.3 Q pmRA 1.3
Q pmDE 0.4 BTmag 10.176 E BTmag 0.023 VTmag 10.117
E VTmag 0.027 Prox 20 TYC T HIP
CCDM RAdeg 234.47465000 DEdeg -66.53812056 EpRA 1990 1.51
EpDE 1990 1.56 E RAdeg 15.6 E DEdeg 14.6 Posflg D
Corr -0.3
CCDM
Ccdm 15379-6632 RComp Comp A Note1
Note2 Discov num DRAs -0.08 DDEs -17.6
R dRAs 66 Year Theta Rho
Obs 2 Vmag 10.4 Sp A0 PmNote
PmRA PmDE Dm number -66 2803 Cat1 CPD
Name2 Cat2 HD 138731 M HD
ADS BDS M ADS BDS N IDS IDS 15287S6612A
HIC
 
 
15379-6632 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153753.90-663219.2 Mag 10.95 Calc delta mag 0.83
Calc coord yes
CCDM
Ccdm 15379-6632 RComp Comp B Note1
Note2 Discov num DON 744 DRAs DDEs
R dRAs Year 1927 Theta 185 Rho 2.0
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15287S6612B
HIC