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Doubles in session


Current system
16450-5543
HDS 2375
HD 150577


Nearby doubles
21' : 16426-5544
RST 875

27' : 16448-5517
RST 877

28' : 16449-5611
KPP 376

33' : 16430-5611
COO 200

36' : 16487-5526
DUN 210AB

41' : 16413-5518
RSS 414

46' : 16408-5612
TDT 31

48' : 16506-5548
I 572

50' : 16396-5525
WIS 304

52' : 16396-5606
TDT 23

52' : 16398-5611
TDT 28

55' : 16437-5637
TDT 53

60' : 16391-5615
RST 872

61' : 16387-5515
TDS 827

61' : 16515-5518
RST 884

62' : 16398-5501
TDT 27

62' : 16430-5642
TDT 46

62' : 16378-5552
RST 867

63' : 16382-5519
TDT 13

65' : 16420-5444
TDT 37

70' : 16426-5650
TDT 44

72' : 16509-5636
NSN 376

72' : 16492-5441
HU 1606

82' : 16398-5435
RST3034

85' : 16473-5706
FIN 252

85' : 16466-5420
RST3039



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

16450-5543 HDS 2375 (HD 150577)

 
 
16h 45m 02.47s -55° 43' 08.5" P.A. 260.00 sep 0.6 mag 8.00,10.89 Sp B7II/III dist. 591.72 pc (1930.19 l.y.)
 
 
Coord 2000 16450-5543 Discov num HDS2375 Comp Coord arcsec 2000 16 45 02.47 -55 43 08.5
Date first 1991 Date last 2021 Obs 2
Pa first 261 Pa last 259.7 P.A. Now (θ) 259.7°
Sep first 0.7 Sep last 0.622 Sep. Now (ρ) 0.622"
Mag pri 8.00 Mag sec 10.89 delta mag (ΔM) 2.89 Spectral class B7II/III (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 150577 Constellation Ara SAO 244108 HIP 81997
Tycho2 8717-00592-1 Gaia DR2 5929377969093681920 HD 150577 CP CP-55 7676
Distance 591.72 Distance ly 1930.19
 
 
WDS 16450-5543 HDS 2375 (HD 150577) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos 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
16450-5543 HDS2375 1991 1 261 0.7 7.98 11.41 B7II/III D 164502.47-554308.5
16450-5543 HDS2375 2021 2 260 0.6 8.00 10.89 B7II/III 164502.47-554308.5

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

 
 
WDS 16450-5543 HDS 2375 (HD 150577) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16450-5543 HDS 2375 (HD 150577) : MEASURES
 
 
No records found.

 
 
WDS 16450-5543 (HD 150577) : VIRTUAL EYEPIECE
 
 

16450-5543 HDS2375A mag 8 Sp B7II/III 16450-5543 HDS2375B sep 0.4 P.A. 252.10 mag 10.89 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 16450-5543 (HD 150577) : ALADIN DSS IMAGE @ 16h 45m 02.47s -55° 43' 08.5"
 
 
 
 
WDS 16450-5543 HDS 2375 (HD 150577) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16450-5543 HDS2375 distance=1' 16426-5544 RST 875 distance=21' 16448-5517 RST 877 distance=27' 16449-5611 KPP 376 distance=28' 16430-5611 COO 200 distance=33' 16487-5526 HDS2383Aa,Ab distance=36' 16487-5526 DUN 210AB distance=36' 16413-5518 RSS 414 distance=41' 16408-5612 TDT 31 distance=46' 16506-5548 I 572 distance=48' 16396-5525 WIS 304 distance=50' 16396-5606 TDT 23 distance=52' 16398-5611 TDT 28 distance=52' 16437-5637 TDT 53 distance=55' 16391-5615 RST 872 distance=60' 16387-5515 TDS 827 distance=61' 16515-5518 RST 884 distance=61' 16398-5501 TDT 27 distance=62' 16430-5642 TDT 46 distance=62' 16378-5552 RST 867 distance=62' 16382-5519 TDT 13 distance=63' 16420-5444 TDT 37 distance=65' 16426-5650 TDT 44 distance=70' 16509-5636 NSN 376 distance=72' 16492-5441 HU 1606 distance=72' 16398-5435 RST3034 distance=82' 16473-5706 FIN 252 distance=85' 16466-5420 RST3039 distance=85' 16434-5707 TDT 48 distance=86' 16397-5700 HJ 4866 distance=89' 16388-5656 HDS2359 distance=90' 16377-5432 TDT 10 distance=96' 16394-5708 BRT3180 distance=97' 16566-5547 RST 886 distance=99' 16547-5447 TDT 138 distance=100' 16503-5413 RST3044 distance=102' 16357-5649 TDS9991 distance=102' 16438-5402 WIS 305 distance=103' 16556-5458 BRT2580 distance=103' 16426-5402 TDT 43 distance=104' 16343-5449 NZO 79 distance=106' 16352-5435 TDS9983 distance=109' 16401-5725 TDT 29 distance=111' 16570-5636 RST3057 distance=114' 16556-5434 RST3056AB distance=114' 16556-5434 BVD 119AB,C distance=114' 16365-5413 TDT 1 distance=117' 16328-5642 HDS2339 distance=118' 16364-5716 TVB 286 distance=118' 16385-5728 TOK 51Aa,Ab distance=119' 16385-5728 RST 869AB distance=119' 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 16450-5543 HDS2375 260 0.6 1
Show 16426-5544 RST 875 318 3.0 21
Show 16448-5517 RST 877 190 2.3 27
Show 16449-5611 KPP 376 107 4.8 28
Show 16430-5611 COO 200 301 6.6 33
Show 16487-5526 HDS2383 Aa,Ab 232 0.2 36
Show 16487-5526 DUN 210 AB 351 75.7 36
Show 16413-5518 RSS 414 263 6.3 41
Show 16408-5612 TDT 31 76 9.4 46
Show 16506-5548 I 572 166 4.0 48
Show 16396-5525 WIS 304 45 751.6 50
Show 16396-5606 TDT 23 190 2.3 52
Show 16398-5611 TDT 28 168 1.6 52
Show 16437-5637 TDT 53 278 0.6 55
Show 16391-5615 RST 872 286 2.2 60
Show 16387-5515 TDS 827 14 1.2 61
Show 16515-5518 RST 884 223 4.1 61
Show 16398-5501 TDT 27 225 2.1 62
Show 16430-5642 TDT 46 109 0.8 62
Show 16378-5552 RST 867 293 1.8 62
Show 16382-5519 TDT 13 4 1.1 63
Show 16420-5444 TDT 37 157 0.6 65
Show 16426-5650 TDT 44 214 1.4 70
Show 16509-5636 NSN 376 158 2.9 72
Show 16492-5441 HU 1606 182 1.7 72
Show 16398-5435 RST3034 133 0.9 82
Show 16473-5706 FIN 252 181 0.2 85
Show 16466-5420 RST3039 4 2.4 85
Show 16434-5707 TDT 48 155 1.9 86
Show 16397-5700 HJ 4866 123 3.7 89
Show 16388-5656 HDS2359 150 0.3 90
Show 16377-5432 TDT 10 328 1.9 96
Show 16394-5708 BRT3180 35 3.2 97
Show 16566-5547 RST 886 229 1.9 99
Show 16547-5447 TDT 138 285 0.6 100
Show 16503-5413 RST3044 183 0.9 102
Show 16357-5649 TDS9991 62 0.5 102
Show 16438-5402 WIS 305 49 112.9 103
Show 16556-5458 BRT2580 105 5.6 103
Show 16426-5402 TDT 43 272 1.2 104
Show 16343-5449 NZO 79 242 2.9 106
Show 16352-5435 TDS9983 60 9.8 109
Show 16401-5725 TDT 29 158 4.2 111
Show 16570-5636 RST3057 32 0.5 114
Show 16556-5434 RST3056 AB 69 2.1 114
Show 16556-5434 BVD 119 AB,C 353 27.1 114
Show 16365-5413 TDT 1 167 0.6 117
Show 16328-5642 HDS2339 302 0.5 118
Show 16364-5716 TVB 286 212 28.8 118
Show 16385-5728 TOK 51 Aa,Ab 25 0.0 119
Show 16385-5728 RST 869 AB 30 0.5 119

 
 
WDS 16450-5543 : COMPONENTS
 
 
  A
B pa=252.1°
sep=0.36"
 
 
16450-5543 A
 
 
Componente originario normalizzato AB Name HD 150577 Coord arcsec 2000 164502.47-554308.5 Mag 8
Spectral class B7II/III (blue-white) PmRA 0.00 PmDE -5.0 SAO 244108
HIP 81997 Tycho2 8717-00592-1 HD 150577 CP CP-55 7676
Tycho2
Tycho2 8717-00592-1 Pflag RAmdeg 251.26028979 DEmdeg -55.71903961
PmRA -1.0 PmDE -6.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.24 EpDEm 1991.05
Num 9 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.3 BTmag 7.937 E BTmag 0.016 VTmag 7.924
E VTmag 0.012 Prox 999 TYC T HIP 81997
CCDM AB RAdeg 251.26029361 DEdeg -55.71902361 EpRA 1990 1.62
EpDE 1990 1.43 E RAdeg 4.7 E DEdeg 5.2 Posflg P
Corr 0.0
SAO
SAO 244108 DelFlag RA1950 PmRA1950 0.0032
DE1950 PmDE1950 -0.01 Vmag 8 SpType B8
Double code Source 42 CatNum 6561 DM CP-55 7676
DMcomp BDsup HD 150577 M HD 0
GC RA1950rad 4.36742483 DE1950rad -0.97087625 PmRA2000 0.0027
PmDE2000 -0.01
Hipparcos
Catalog H HIP 81997 Proxy H RAhms 16 45 02.47
DEdms -55 43 08.5 Vmag 7.92 VarFlag R Vmag H
RAdeg 251.26 DEdeg -55.719 AstroRef A Plx 0.65
CCDM 16450-5543 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 261 Rho 0.656 HD 150577 BD
CD CP CP-55 7676 Dm number -55 7676 VIred 0.02
SpType B7II/III R SpType Coord arcsec 2000 164502.47-554308.5
Hipparcos 2
HIP 81997 Sn 15 So 3 Nc 2
RArad 4.3853195048 DErad -0.9724803732 Plx 1.69 PmRA 0.8
PmDE -6.56 E RArad 0.55 E DErad 0.54 E Plx 0.79
E pmRA 0.62 E pmDE 0.62 Hpmag 7.9321 E Hpmag 0.0019
SHp 0.017 VA 0 BV 0.026 E BV 0.012
VI 0.04
CCDM
Ccdm 16450-5543 RComp Comp A Note1
Note2 Discov num DRAs 2.47 DDEs -8.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.0 Sp B7 PmNote *
PmRA 0 PmDE -5 Dm number -55 7676 Cat1 CPD
Name2 244108 Cat2 SAO HD 150577 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 81997
 
 
16450-5543 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164502.43-554308.6 Mag 10.89 Calc delta mag 2.89
Calc coord yes
CCDM
Ccdm 16450-5543 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.39 DDEs -8.6
R dRAs 82 Year 1991 Theta 261 Rho 0.7
Obs 1 Vmag 11.4 Sp PmNote *
PmRA 0 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 81997