18426-5553 R 309 (HD 172306)

 
 
18h 42m 37.44s -55° 53' 23.5" P.A. 207.00 sep 2.1 mag 8.58,9.67 Sp F6V dist. 88.26 pc (287.9 l.y.)
 
 
Coord 2000 18426-5553 Discov num R   309 Comp Coord arcsec 2000 18 42 37.44 -55 53 23.5
Date first 1871 Date last 2016 Obs 17
Pa first 217 Pa last 207 P.A. Now (θ) 207°
Sep first 3.2 Sep last 2.065 Sep. Now (ρ) 2.065"
Mag pri 8.58 Mag sec 9.67 delta mag (ΔM) 1.09 Spectral class F6V (yellow-white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -027 Sec motion dec -027
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172306 Constellation Telescopium SAO 245643 HIP 91754
Tycho2 8762-01861-1 Gaia DR2 6649787780096315648 HD 172306 GC 25550
CP CP-56 8914 Distance 88.26 Distance ly 287.9
 
 
WDS 18426-5553 R 309 (HD 172306) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
R__1871 Ma - Russell, H.C. 1884QB821.R94......
R__1871 Sydney Obs. Results, 1871-1881
R__1882 Ma j Russell, H.C. 1882MmRAS..47..109R
R__1882 MemRAS 47, 109, 1882
R__1892 Ma - Russell, H.C. 1892MmRAS..50...57R
R__1892 MemRAS 50, 57, 1892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18426-5553 R 309 1992 15 209 2.2 8.58 9.67 F6V D 184237.44-555323.5
18426-5553 R 309 2015 16 207 2.1 8.58 9.67 F6V 184237.44-555323.5
18426-5553 R 309 2016 17 207 2.1 8.58 9.67 F6V 184237.44-555323.5

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WDS 18426-5553 R 309 (HD 172306) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18426-5553 R 309 (HD 172306) : MEASURES
 
 
No records found.

 
 
WDS 18426-5553 (HD 172306) : VIRTUAL EYEPIECE
 
 

18426-5553 R   309A mag 8.58 Sp F6V 18426-5553 R   309B sep 1.9 P.A. 195.90 mag 9.67 virtual eyepiece
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Radius:
Components only
 
 
WDS 18426-5553 (HD 172306) : ALADIN DSS IMAGE @ 18h 42m 37.44s -55° 53' 23.5"
 
 
 
 
WDS 18426-5553 R 309 (HD 172306) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18426-5553  R   309 distance=0' 18421-5554  UC 3646 distance=5' 18434-5546  B   398AB distance=10' 18434-5546  HJ 5053AB,C distance=10' 18453-5621  UC 3663 distance=36' 18429-5632  TDT1016 distance=39' 18379-5554  RST 994 distance=41' 18417-5514  SWR 251 distance=41' 18462-5500  B   402 distance=62' 18450-5450  B   400 distance=67' 18409-5659  UC 3636 distance=68' 18381-5450  KPP1216 distance=75' 18332-5532  RST 989 distance=84' 18507-5643  WIS 331 distance=84' 18336-5512  UC 3609 distance=87' 18349-5455  UC 3618 distance=88' 18528-5529  RST1004 distance=90' 18324-5620  RST3184 distance=90' 18393-5724  HJ 5050 distance=95' 18416-5728  RST 996 distance=95' 18432-5730  TOK 798 distance=97' 18345-5445  SWR 248 distance=98' 18313-5532  HJ 5044 distance=98' 18310-5533  FIN 304AB distance=101' 18310-5533  I  1113AC distance=101' 18494-5428  UC 3684 distance=104' 18519-5703  UC 3700 distance=104' 18315-5655  KPP 562 distance=112' 18529-5708  LUH  14 distance=113' 18455-5356  HJ 5057 distance=121' 18502-5412  UC 3691 distance=121' 18448-5354  HRG 139AB distance=122' 18492-5743  RST1003 distance=123' 18379-5751  KPP1741 distance=124' 18520-5418  TOK 325AB distance=125' 18520-5418  TOK 325Aa,Ab distance=125' 18575-5600  COO 228 distance=126' 18393-5758  KPP1638 distance=128' 18578-5608  HDS2689 distance=129' 18493-5354  SKF 371 distance=133' 18482-5759  UC 3675 distance=134' 18541-5421  HJ 5068 distance=135' 18591-5623  NZO  95 distance=141' 18290-5721  RST 985 distance=143' 18520-5356  B   408 distance=143' 18299-5731  RST 987AB distance=144' 18299-5731  HDO 290AC distance=144' 18299-5731  SKF 973AD distance=144' 18521-5754  DAW9011 distance=144' 18519-5756  HJ 5065 distance=145' 18596-5529  SKF 373 distance=146' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18426-5553 R 309 207 2.1
Show 18421-5554 UC 3646 306 22.0 5
Show 18434-5546 B 398 AB 340 0.3 10
Show 18434-5546 HJ 5053 AB,C 197 32.6 10
Show 18453-5621 UC 3663 327 9.7 36
Show 18429-5632 TDT1016 107 0.4 39
Show 18379-5554 RST 994 12 0.3 41
Show 18417-5514 SWR 251 104 6.9 41
Show 18462-5500 B 402 255 0.5 62
Show 18450-5450 B 400 141 0.3 67
Show 18409-5659 UC 3636 60 20.6 68
Show 18381-5450 KPP1216 91 9.4 75
Show 18332-5532 RST 989 286 0.9 84
Show 18507-5643 WIS 331 37 94.1 84
Show 18336-5512 UC 3609 27 9.5 87
Show 18349-5455 UC 3618 202 32.1 88
Show 18528-5529 RST1004 63 1.6 90
Show 18324-5620 RST3184 137 0.5 90
Show 18393-5724 HJ 5050 106 12.2 95
Show 18416-5728 RST 996 138 2.6 95
Show 18432-5730 TOK 798 355 0.1 97
Show 18345-5445 SWR 248 125 4.8 98
Show 18313-5532 HJ 5044 353 14.4 98
Show 18310-5533 FIN 304 AB 71 1.3 101
Show 18310-5533 I 1113 AC 14 3.8 101
Show 18494-5428 UC 3684 96 65.5 104
Show 18519-5703 UC 3700 241 35.9 104
Show 18315-5655 KPP 562 231 5.3 112
Show 18529-5708 LUH 14 130 57.4 113
Show 18455-5356 HJ 5057 90 11.6 121
Show 18502-5412 UC 3691 88 106.9 121
Show 18448-5354 HRG 139 AB 311 3.4 122
Show 18492-5743 RST1003 275 2.5 123
Show 18379-5751 KPP1741 26 13.4 124
Show 18520-5418 TOK 325 AB 32 146.0 125
Show 18520-5418 TOK 325 Aa,Ab 242 0.1 125
Show 18575-5600 COO 228 357 2.7 126
Show 18393-5758 KPP1638 339 12.6 128
Show 18578-5608 HDS2689 243 0.5 129
Show 18493-5354 SKF 371 269 8.4 133
Show 18482-5759 UC 3675 70 9.8 134
Show 18541-5421 HJ 5068 10 10.5 135
Show 18591-5623 NZO 95 145 1.9 141
Show 18290-5721 RST 985 181 1.1 143
Show 18520-5356 B 408 49 2.1 143
Show 18299-5731 RST 987 AB 340 1.1 144
Show 18299-5731 HDO 290 AC 124 29.6 144
Show 18299-5731 SKF 973 AD 273 137.5 144
Show 18521-5754 DAW9011 260 6.8 144
Show 18519-5756 HJ 5065 21 22.4 145
Show 18596-5529 SKF 373 105 7.0 146

 
 
WDS 18426-5553 : COMPONENTS
 
 
  A
B pa=195.9°
sep=1.91"
 
 
18426-5553 A
 
 
Componente originario normalizzato AB Name HD 172306 Coord arcsec 2000 184237.44-555323.5 Mag 8.58
Spectral class F6V (yellow-white) PmRA 3.00 PmDE -27.0 SAO 245643
HIP 91754 Tycho2 8762-01861-1 HD 172306 GC 25550
CP CP-56 8914
Tycho2
Tycho2 8762-01861-1 Pflag P RAmdeg 280.65600786 DEmdeg -55.88985667
PmRA 3.4 PmDE -27.0 E RAmdeg 8 E DEmdeg 9
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.29 EpDEm 1991.13
Num 7 Q RAmdeg 1.1 Q DEmdeg 1.7 Q pmRA 1.2
Q pmDE 1.6 BTmag 9.063 E BTmag 0.019 VTmag 8.580
E VTmag 0.015 Prox 22 TYC T HIP 91754
CCDM A RAdeg 280.65606917 DEdeg -55.88971861 EpRA 1990 1.67
EpDE 1990 1.67 E RAdeg 7.9 E DEdeg 8.7 Posflg D
Corr -0.1
SAO
SAO 245643 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.023 Vmag 8.6 SpType F5
Double code Source 70 CatNum 25550 DM CP-56 8914
DMcomp BDsup HD 172306 M HD 0
GC 25550 RA1950rad 4.88012177 DE1950rad -0.97630689 PmRA2000 0.0005
PmDE2000 -0.026
Hipparcos
Catalog H HIP 91754 Proxy H RAhms 18 42 37.46
DEdms -55 53 23.0 Vmag 8.2 VarFlag R Vmag G
RAdeg 280.656 DEdeg -55.8897 AstroRef A Plx 12.63
CCDM 18426-5553 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 209 Rho 2.217 HD 172306 BD
CD CP CP-56 8914 Dm number -56 8914 VIred 0.59
SpType F6V R SpType Coord arcsec 2000 184237.46-555323.0
Hipparcos 2
HIP 91754 Sn 15 So 3 Nc 2
RArad 4.8983724436 DErad -0.9754594851 Plx 11.33 PmRA -1.51
PmDE -28.17 E RArad 0.91 E DErad 0.82 E Plx 1.15
E pmRA 1.05 E pmDE 0.85 Hpmag 8.3111 E Hpmag 0.0021
SHp 0.015 VA 0 BV 0.519 E BV 0.015
VI 0.59
CCDM
Ccdm 18426-5553 RComp Comp A Note1
Note2 Discov num DRAs 1.54 DDEs -22.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp F5 PmNote *
PmRA 9 PmDE -23 Dm number -56 8914 Cat1 CPD
Name2 245643 Cat2 SAO HD 172306 M HD
ADS BDS M ADS BDS N IDS IDS 18342S5559A
HIC 91754
 
 
18426-5553 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184237.38-555325.3 Mag 9.67 PmRA 3.00
PmDE -27.0 Tycho2 8762-01861-2 Calc delta mag 1.09 Calc coord yes
Tycho2
Tycho2 8762-01861-2 Pflag P RAmdeg 280.65600786 DEmdeg -55.88985667
PmRA 3.4 PmDE -27.0 E RAmdeg 8 E DEmdeg 9
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.29 EpDEm 1991.13
Num 7 Q RAmdeg 1.1 Q DEmdeg 1.7 Q pmRA 1.2
Q pmDE 1.6 BTmag 10.431 E BTmag 0.040 VTmag 9.672
E VTmag 0.029 Prox 22 TYC T HIP 91754
CCDM B RAdeg 280.65553944 DEdeg -55.89025083 EpRA 1990 1.69
EpDE 1990 1.69 E RAdeg 19.7 E DEdeg 21.9 Posflg D
Corr -0.1
CCDM
Ccdm 18426-5553 RComp Comp B Note1
Note2 Discov num R 309 DRAs DDEs
R dRAs Year 1942 Theta 213 Rho 2.5
Obs 8 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18342S5559B
HIC 91754