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Doubles in session


Current system
18155-5149
HDS 2578
HD 166910


Nearby doubles
35' : 18119-5147
RST 970

43' : 18201-5156
RST 975

44' : 18199-5121
LDS 637

48' : 18206-5144
CPO 582

51' : 18207-5203
HDS2593

52' : 18210-5139
UC 3556

53' : 18200-5222
KIR 20

54' : 18189-5107
RST 974

61' : 18148-5249
I 630

63' : 18205-5107
BRT1043

66' : 18148-5255
UC 3532

67' : 18207-5235
UC 3555AB

70' : 18130-5044
RST 971

71' : 18080-5139
RST 967

74' : 18150-5303
UC 3533AB

78' : 18146-5031
BRT1037

80' : 18074-5124
RST 963

80' : 18129-5034
HDO 288

86' : 18075-5106
RST 964

89' : 18099-5301
FIN 53AB

90' : 18240-5108
HDS2602

91' : 18249-5128
KPP2547

91' : 18150-5018
I 429

100' : 18074-5255
UC 3498

101' : 18237-5256
UC 3570

102' : 18046-5140
CPO 570



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.

18155-5149 HDS 2578 (HD 166910)

 
 
18h 15m 30.72s -51° 49' 15.1" P.A. 333.00 sep 0.4 mag 8.89,11.24 Sp F5V dist. 168.07 pc (548.24 l.y.)
 
 
Coord 2000 18155-5149 Discov num HDS2578 Comp Coord arcsec 2000 18 15 30.72 -51 49 15.1
Date first 1991 Date last 2018 Obs 3
Pa first 323 Pa last 333.4 P.A. Now (θ) 333.4°
Sep first 0.2 Sep last 0.41 Sep. Now (ρ) 0.41"
Mag pri 8.89 Mag sec 11.24 delta mag (ΔM) 2.35 Spectral class F5V (yellow-white)
Pri motion ra +010 Sec motion ra
Pri motion dec -031 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166910 Constellation Telescopium SAO 245348 HIP 89471
Tycho2 8370-00232-1 Gaia DR2 6702203797193642112 HD 166910 CD CD-5111445
CP CP-5110785 Distance 168.07 Distance ly 548.24
 
 
WDS 18155-5149 HDS 2578 (HD 166910) : 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
18155-5149 HDS2578 1991 1 323 0.2 8.89 11.24 F5V 181530.72-514915.1
18155-5149 HDS2578 2015 2 334 0.4 8.89 11.24 F5V 181530.72-514915.1
18155-5149 HDS2578 2018 3 333 0.4 8.89 11.24 F5V 181530.72-514915.1

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

 
 
WDS 18155-5149 HDS 2578 (HD 166910) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18155-5149 HDS 2578 (HD 166910) : MEASURES
 
 
No records found.

 
 
WDS 18155-5149 (HD 166910) : VIRTUAL EYEPIECE
 
 

18155-5149 HDS2578A mag 8.89 Sp F5V 18155-5149 HDS2578B sep 0.4 P.A. 342.80 mag 11.24 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18155-5149 (HD 166910) : ALADIN DSS IMAGE @ 18h 15m 30.72s -51° 49' 15.1"
 
 
 
 
WDS 18155-5149 HDS 2578 (HD 166910) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18155-5149 HDS2578 distance=0' 18119-5147 RST 970 distance=35' 18119-5205 DAW 21BC distance=37' 18119-5205 HJ 5022A,BC distance=37' 18201-5156 RST 975 distance=43' 18199-5121 LDS 637 distance=44' 18206-5144 CPO 582 distance=48' 18207-5203 HDS2593 distance=51' 18210-5139 UC 3556 distance=52' 18200-5222 KIR 20 distance=53' 18189-5107 RST 974 distance=54' 18148-5249 I 630 distance=61' 18205-5107 BRT1043 distance=63' 18148-5255 UC 3532 distance=66' 18207-5235 UC 3555AB distance=67' 18130-5044 RST 971 distance=70' 18080-5139 RST 967 distance=71' 18150-5303 UC 3533AB distance=74' 18150-5303 UC 3533BC distance=75' 18146-5031 BRT1037 distance=78' 18074-5124 RST 963 distance=80' 18129-5034 HDO 288 distance=80' 18075-5106 RST 964 distance=86' 18099-5301 FIN 53AB distance=89' 18099-5301 FIN 53AC distance=89' 18099-5301 FIN 53AD distance=89' 18240-5108 HDS2602 distance=90' 18249-5128 KPP2547 distance=91' 18150-5018 I 429 distance=91' 18074-5255 UC 3498 distance=100' 18237-5256 UC 3570 distance=101' 18046-5140 CPO 570 distance=102' 18104-5019 RST 968 distance=103' 18160-5333 DAW 221BC distance=104' 18160-5333 HJ 9004AB distance=105' 18123-5330 UC 3531 distance=105' 18244-5042 TDT 842 distance=107' 18267-5124 RST 982 distance=107' 18261-5107 UC 3581 distance=108' 18063-5045 TDT 685 distance=108' 18248-5256 RST 981 distance=108' 18171-5336 RST3166 distance=108' 18252-5048 UC 3575 distance=110' 18273-5139 BRT2101 distance=111' 18140-5342 BRT2099 distance=114' 18129-4959 HRG 128 distance=115' 18133-4955 B 2434 distance=117' 18031-5139 SKF1420AB distance=117' 18031-5139 CVN 57AC distance=117' 18031-5139 CVN 57AD distance=117' 18031-5139 CVN 57AE distance=117' 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 18155-5149 HDS2578 333 0.4
Show 18119-5147 RST 970 201 1.3 35
Show 18119-5205 DAW 21 BC 102 1.6 37
Show 18119-5205 HJ 5022 A,BC 97 6.1 37
Show 18201-5156 RST 975 212 0.6 43
Show 18199-5121 LDS 637 162 23.0 44
Show 18206-5144 CPO 582 156 4.2 48
Show 18207-5203 HDS2593 79 13.9 51
Show 18210-5139 UC 3556 69 62.8 52
Show 18200-5222 KIR 20 163 23.2 53
Show 18189-5107 RST 974 206 0.3 54
Show 18148-5249 I 630 16 0.9 61
Show 18205-5107 BRT1043 85 5.5 63
Show 18148-5255 UC 3532 275 86.0 66
Show 18207-5235 UC 3555 AB 253 52.1 67
Show 18130-5044 RST 971 112 0.3 70
Show 18080-5139 RST 967 7 2.6 71
Show 18150-5303 UC 3533 AB 211 68.9 74
Show 18150-5303 UC 3533 BC 228 40.4 75
Show 18146-5031 BRT1037 323 4.5 78
Show 18074-5124 RST 963 101 3.2 80
Show 18129-5034 HDO 288 116 1.6 80
Show 18075-5106 RST 964 232 5.4 86
Show 18099-5301 FIN 53 AB 16 6.3 89
Show 18099-5301 FIN 53 AC 284 6.6 89
Show 18099-5301 FIN 53 AD 95 12.2 89
Show 18240-5108 HDS2602 13 3.6 90
Show 18249-5128 KPP2547 223 23.0 91
Show 18150-5018 I 429 303 0.1 91
Show 18074-5255 UC 3498 277 81.5 100
Show 18237-5256 UC 3570 16 20.6 101
Show 18046-5140 CPO 570 191 3.9 102
Show 18104-5019 RST 968 137 0.6 103
Show 18160-5333 DAW 221 BC 224 8.4 104
Show 18160-5333 HJ 9004 AB 268 14.3 105
Show 18123-5330 UC 3531 89 69.7 105
Show 18244-5042 TDT 842 298 1.1 107
Show 18267-5124 RST 982 164 1.0 107
Show 18261-5107 UC 3581 331 37.8 108
Show 18063-5045 TDT 685 293 0.5 108
Show 18248-5256 RST 981 221 1.5 108
Show 18171-5336 RST3166 180 0.3 108
Show 18252-5048 UC 3575 30 21.8 110
Show 18273-5139 BRT2101 148 3.9 111
Show 18140-5342 BRT2099 49 4.2 114
Show 18129-4959 HRG 128 358 6.8 115
Show 18133-4955 B 2434 203 6.3 117
Show 18031-5139 SKF1420 AB 89 6.5 117
Show 18031-5139 CVN 57 AC 199 7.4 117
Show 18031-5139 CVN 57 AD 178 9.7 117
Show 18031-5139 CVN 57 AE 322 10.1 117

 
 
WDS 18155-5149 : COMPONENTS
 
 
  A
B pa=342.8°
sep=0.38"
 
 
18155-5149 A
 
 
Componente originario normalizzato AB Name HD 166910 Coord arcsec 2000 181530.72-514915.1 Mag 8.89
Spectral class F5V (yellow-white) PmRA 10.00 PmDE -31.0 SAO 245348
HIP 89471 Tycho2 8370-00232-1 HD 166910 CD CD-5111445
CP CP-5110785
Tycho2
Tycho2 8370-00232-1 Pflag RAmdeg 273.87803257 DEmdeg -51.82091640
PmRA 9.1 PmDE -25.9 E RAmdeg 8 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.29 EpDEm 1989.84
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.5 BTmag 9.243 E BTmag 0.019 VTmag 8.774
E VTmag 0.015 Prox 999 TYC T HIP 89471
CCDM AB RAdeg 273.87799944 DEdeg -51.82085611 EpRA 1990 1.71
EpDE 1990 1.67 E RAdeg 7.9 E DEdeg 9.3 Posflg P
Corr 0.0
SAO
SAO 245348 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.02 Vmag 8.9 SpType F5
Double code Source 42 CatNum 7215 DM CP-5110785
DMcomp BDsup HD 166910 M HD 0
GC RA1950rad 4.76271388 DE1950rad -0.90472199 PmRA2000 0.0004
PmDE2000 -0.022
Hipparcos
Catalog H HIP 89471 Proxy H RAhms 18 15 30.72
DEdms -51 49 15.1 Vmag 8.67 VarFlag R Vmag H
RAdeg 273.878 DEdeg -51.8209 AstroRef * Plx 7.11
CCDM 18155-5149 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 323 Rho 0.238 HD 166910 BD
CD CD-5111445 CP CP-5110785 Dm number -5111445 VIred 0.51
SpType F5V R SpType Coord arcsec 2000 181530.72-514915.1
Hipparcos 2
HIP 89471 Sn 55 So 3 Nc 2
RArad 4.7800727776 DErad -0.9044444475 Plx 5.95 PmRA 9.56
PmDE -28.83 E RArad 1.02 E DErad 0.8 E Plx 1.28
E pmRA 1.28 E pmDE 0.88 Hpmag 8.772 E Hpmag 0.0025
SHp 0.018 VA 0 BV 0.477 E BV 0.017
VI 0.55
CCDM
Ccdm 18155-5149 RComp Comp A Note1
Note2 Discov num DRAs 0.73 DDEs -15.3
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.9 Sp F5 PmNote *
PmRA 10 PmDE -31 Dm number -5111445 Cat1 CD
Name2 245348 Cat2 SAO HD 166910 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 89471
 
 
18155-5149 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181530.71-514914.7 Mag 11.24 Calc delta mag 2.35
Calc coord yes
CCDM
Ccdm 18155-5149 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.71 DDEs -15.1
R dRAs 82 Year 1991 Theta 323 Rho 0.2
Obs 1 Vmag 11.2 Sp PmNote *
PmRA 10 PmDE -31 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 89471