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Doubles in session


Current system
17581-4527
DON 872


Nearby doubles
6' : 17584-4532
CPO 566

15' : 17569-4535
TDT 592

17' : 17587-4543
CPO9254

22' : 17572-4546
HDS2529

22' : 17599-4517
CBL 165

30' : 17585-4459
LDS 618

30' : 17599-4551
BRT1007

32' : 17555-4544
CPO 563

40' : 18012-4550
I 1112AB

41' : 17570-4607
CBL 164

49' : 17554-4607
TDT 574

60' : 18017-4442
BRT1012

60' : 18028-4601
B 1874AB

63' : 17530-4600
CPO9252

64' : 18037-4552
SKF1421

66' : 17524-4556
DON 868

66' : 17575-4633
SKF1057

67' : 17558-4629
TDT 578

69' : 18046-4534
B 2429

70' : 18047-4522
BRT1016

77' : 17510-4543
BRT1001

77' : 18006-4639
BRT1009

81' : 17583-4407
BRT1006

85' : 17541-4414
BRT1002

85' : 18050-4445
FIN 9

88' : 18064-4533
TDT 686



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

17581-4527 DON 872

 
 
17h 58m 05.02s -45° 27' 23.0" P.A. 97.00 sep 3.9 mag 7.80,15.50 Sp A6III dist. 248.14 pc (809.43 l.y.)
 
 
Coord 2000 17581-4527 Discov num DON 872 Comp Coord arcsec 2000 17 58 05.02 -45 27 23.0
Date first 1931 Date last 2015 Obs 4
Pa first 99 Pa last 97 P.A. Now (θ) 97°
Sep first 3.7 Sep last 3.939 Sep. Now (ρ) 3.939"
Mag pri 7.80 Mag sec 15.50 delta mag (ΔM) 7.7 Spectral class A6III (white)
Pri motion ra -004 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 228581 HIP 87957 Tycho2 8344-00210-1
Gaia DR2 5954481773718024192 HD 163378 GC 24406 CD CD-4512052
CP CP-45 8981 Distance 248.14 Distance ly 809.43
 
 
WDS 17581-4527 DON 872 : 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
17581-4527 DON 872 1948 3 98 3.3 7.70 15.50 A6III 175805.02-452723.0
17581-4527 DON 872 2015 4 97 3.9 7.80 15.50 A6III 175805.02-452723.0

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

 
 
WDS 17581-4527 DON 872 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17581-4527 DON 872 : MEASURES
 
 
No records found.

 
 
WDS 17581-4527 : VIRTUAL EYEPIECE
 
 

17581-4527 DON 872A mag 7.8 Sp A6III 17581-4527 DON 872B sep 2.8 P.A. 99.90 mag 15.5 virtual eyepiece
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Radius:
Components only
 
 
WDS 17581-4527 : ALADIN DSS IMAGE @ 17h 58m 05.02s -45° 27' 23.0"
 
 
 
 
WDS 17581-4527 DON 872 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17581-4527 DON 872 distance=0' 17584-4532 CPO 566 distance=6' 17569-4535 TDT 592 distance=15' 17587-4543 CPO9254 distance=17' 17572-4546 HDS2529 distance=22' 17599-4517 CBL 165 distance=22' 17585-4459 LDS 618 distance=30' 17599-4551 BRT1007 distance=30' 17555-4544 CPO 563 distance=32' 18012-4550 I 1112AB distance=40' 18012-4550 I 1112AC distance=40' 18012-4550 HJ 5005AE distance=40' 18012-4550 HJ 5005AD distance=40' 18012-4550 I 1112CD distance=40' 17570-4607 CBL 164 distance=41' 17554-4607 TDT 574 distance=49' 18017-4442 BRT1012 distance=60' 18028-4601 B 1874AB distance=60' 18028-4601 B 1874AC distance=60' 17530-4600 CPO9252 distance=63' 18037-4552 SKF1421 distance=64' 17524-4556 DON 868 distance=66' 17575-4633 SKF1057 distance=66' 17558-4629 TDT 578 distance=67' 18046-4534 B 2429 distance=69' 18047-4522 BRT1016 distance=70' 17510-4543 BRT1001 distance=77' 18006-4639 BRT1009 distance=77' 17583-4407 BRT1006 distance=81' 17541-4414 BRT1002 distance=85' 18050-4445 FIN 9 distance=85' 18064-4533 TDT 686 distance=88' 18045-4627 HU 1525 distance=90' 17496-4510 DON 867 distance=92' 17532-4650 SKF 458 distance=97' 18055-4628 BRT1017 distance=98' 17488-4522 B 1868 distance=99' 17539-4658 RST 953 distance=101' 17589-4709 TDT 609 distance=102' 18024-4700 I 1349 distance=103' 17486-4502 CPO 77 distance=104' 17481-4527 CPO9248 distance=106' 18085-4546 HJ 5015 distance=111' 18076-4431 BRT1019 distance=116' 18080-4619 TDT 699 distance=116' 17505-4655 CPO 556 distance=119' 18094-4522 SKF1083 distance=120' 17499-4405 KPP3005 distance=121' 17482-4630 RST 949 distance=121' 17479-4433 RST5442 distance=122' 18081-4428 BRT1021 distance=122' 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 17581-4527 DON 872 97 3.9
Show 17584-4532 CPO 566 103 3.4 6
Show 17569-4535 TDT 592 290 2.6 15
Show 17587-4543 CPO9254 7 4.2 17
Show 17572-4546 HDS2529 127 14.2 22
Show 17599-4517 CBL 165 193 14.2 22
Show 17585-4459 LDS 618 358 49.8 30
Show 17599-4551 BRT1007 50 4.9 30
Show 17555-4544 CPO 563 81 4.9 32
Show 18012-4550 I 1112 AB 231 21.4 40
Show 18012-4550 I 1112 AC 56 20.4 40
Show 18012-4550 HJ 5005 AE 75 32.0 40
Show 18012-4550 HJ 5005 AD 26 26.7 40
Show 18012-4550 I 1112 CD 337 13.7 40
Show 17570-4607 CBL 164 207 11.2 41
Show 17554-4607 TDT 574 35 0.8 49
Show 18017-4442 BRT1012 201 5.7 60
Show 18028-4601 B 1874 AB 309 2.8 60
Show 18028-4601 B 1874 AC 101 9.6 60
Show 17530-4600 CPO9252 288 6.6 63
Show 18037-4552 SKF1421 92 16.4 64
Show 17524-4556 DON 868 221 0.5 66
Show 17575-4633 SKF1057 297 30.7 66
Show 17558-4629 TDT 578 312 0.5 67
Show 18046-4534 B 2429 339 12.8 69
Show 18047-4522 BRT1016 126 4.6 70
Show 17510-4543 BRT1001 300 4.8 77
Show 18006-4639 BRT1009 40 4.2 77
Show 17583-4407 BRT1006 133 3.8 81
Show 17541-4414 BRT1002 154 4.7 85
Show 18050-4445 FIN 9 193 1.4 85
Show 18064-4533 TDT 686 258 0.7 88
Show 18045-4627 HU 1525 309 0.4 90
Show 17496-4510 DON 867 285 0.5 92
Show 17532-4650 SKF 458 11.3 97
Show 18055-4628 BRT1017 115 5.2 98
Show 17488-4522 B 1868 221 1.3 99
Show 17539-4658 RST 953 62 3.3 101
Show 17589-4709 TDT 609 316 3.5 102
Show 18024-4700 I 1349 242 3.2 103
Show 17486-4502 CPO 77 324 4.0 104
Show 17481-4527 CPO9248 123 3.5 106
Show 18085-4546 HJ 5015 258 4.3 111
Show 18076-4431 BRT1019 3 4.2 116
Show 18080-4619 TDT 699 246 1.1 116
Show 17505-4655 CPO 556 66 5.3 119
Show 18094-4522 SKF1083 206 2.6 120
Show 17499-4405 KPP3005 254 19.9 121
Show 17482-4630 RST 949 141 0.3 121
Show 17479-4433 RST5442 105 0.6 122
Show 18081-4428 BRT1021 138 3.1 122

 
 
WDS 17581-4527 : COMPONENTS
 
 
  A
B pa=99.9°
sep=2.78"
 
 
17581-4527 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175805.02-452723.0 Mag 7.8 Spectral class A6III (white)
PmRA -4.00 PmDE -16.0 SAO 228581 HIP 87957
Tycho2 8344-00210-1 HD 163378 GC 24406 CD CD-4512052
CP CP-45 8981
Tycho2
Tycho2 8344-00210-1 Pflag RAmdeg 269.52093029 DEmdeg -45.45642106
PmRA 0.9 PmDE -14.2 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.45 EpDEm 1991.20
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 8.148 E BTmag 0.016 VTmag 7.803
E VTmag 0.011 Prox 999 TYC T HIP 87957
CCDM RAdeg 269.52092750 DEdeg -45.45638861 EpRA 1990 1.82
EpDE 1990 1.77 E RAdeg 4.1 E DEdeg 5.2 Posflg
Corr 0.0
SAO
SAO 228581 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.001 Vmag 7.7 SpType A3
Double code Source 70 CatNum 24406 DM CD-4512052
DMcomp BDsup HD 163378 M HD 0
GC 24406 RA1950rad 4.68790772 DE1950rad -0.79327647 PmRA2000 0.0005
PmDE2000 0
Hipparcos
Catalog H HIP 87957 Proxy RAhms 17 58 05.02
DEdms -45 27 23.0 Vmag 7.78 VarFlag R Vmag H
RAdeg 269.521 DEdeg -45.4564 AstroRef Plx 5.3
CCDM 17581-4527 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 163378 BD
CD CD-4512052 CP CP-45 8981 Dm number -4512052 VIred 0.32
SpType A6III R SpType Coord arcsec 2000 175805.02-452723.0
Hipparcos 2
HIP 87957 Sn 5 So 0 Nc 1
RArad 4.7040275484 DErad -0.7933636077 Plx 4.03 PmRA 2.74
PmDE -13.49 E RArad 0.69 E DErad 0.37 E Plx 0.79
E pmRA 0.9 E pmDE 0.39 Hpmag 7.8623 E Hpmag 0.0009
SHp 0.012 VA 0 BV 0.33 E BV 0.011
VI 0.38
CCDM
Ccdm 17581-4527 RComp Comp A Note1
Note2 Discov num DRAs -0.98 DDEs -23.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp A3 PmNote *
PmRA 3 PmDE -12 Dm number -4512052 Cat1 CD
Name2 228581 Cat2 SAO HD 163378 M HD
ADS BDS M ADS BDS N IDS IDS 17507S4527A
HIC 87957
 
 
17581-4527 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175805.28-452723.5 Mag 15.5 Calc delta mag 7.7
Calc coord yes
CCDM
Ccdm 17581-4527 RComp Comp B Note1
Note2 Discov num DON 872 DRAs DDEs
R dRAs Year 1931 Theta 099 Rho 3.6
Obs 3 Vmag 15.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17507S4527B
HIC 87957