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18387-4922
HDS 2642


Nearby doubles
26' : 18361-4915
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RST1002



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

18387-4922 HDS 2642

 
 
18h 38m 39.36s -49° 21' 41.9" P.A. 176.00 sep 1.4 mag 10.07,13.09 Sp G0 dist. 1219.51 pc (3978.04 l.y.)
 
 
Coord 2000 18387-4922 Discov num HDS2642 Comp Coord arcsec 2000 18 38 39.36 -49 21 41.9
Date first 1991 Date last 2018 Obs 4
Pa first 176 Pa last 175.6 P.A. Now (θ) 175.6°
Sep first 1.4 Sep last 1.379 Sep. Now (ρ) 1.379"
Mag pri 10.07 Mag sec 13.09 delta mag (ΔM) 3.02 Spectral class G0 (yellow)
Pri motion ra +010 Sec motion ra +012
Pri motion dec -004 Sec motion dec -008
Notes
rPM=0.31
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Telescopium HIP 91416 Tycho2 8368-01443-1 Gaia DR2 6703864991765104256
CD CD-4912259 CP CP-4910678 Distance 1219.51 Distance ly 3978.04
 
 
WDS 18387-4922 HDS 2642 : 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
18387-4922 HDS2642 1991 2 175 1.4 10.07 13.09 G0 183839.36-492141.9
18387-4922 HDS2642 2018 3 176 1.4 10.07 13.09 G0 183839.36-492141.9

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

 
 
WDS 18387-4922 HDS 2642 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18387-4922 HDS 2642 : MEASURES
 
 
No records found.

 
 
WDS 18387-4922 : VIRTUAL EYEPIECE
 
 

18387-4922 HDS2642A mag 10.07 Sp G0 18387-4922 HDS2642B sep 1.4 P.A. 177.10 mag 13.09 virtual eyepiece
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Radius:
Components only
 
 
WDS 18387-4922 : ALADIN DSS IMAGE @ 18h 38m 39.36s -49° 21' 41.9"
 
 
 
 
WDS 18387-4922 HDS 2642 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18387-4922 HDS2642 distance=0' 18361-4915 UC 3624 distance=26' 18364-4952 CPO 592 distance=38' 18423-4958 UC 3647 distance=51' 18341-4850 UC 3613 distance=55' 18350-4838 I 635 distance=56' 18329-4927 BRT1062 distance=57' 18357-5010 BRT1067 distance=57' 18326-4936 RST9007 distance=61' 18331-4852 RST 990 distance=63' 18410-5021 BRT1074 distance=63' 18451-4929 BRT1075 distance=64' 18330-4850 UC 3608 distance=64' 18379-5028 UC 3629 distance=67' 18329-4848 UC 3607 distance=67' 18336-4833 CPO 590 distance=70' 18354-4816 BRT1066 distance=73' 18340-4825 BRT1063 distance=74' 18417-4815 UC 3639 distance=74' 18370-5035 BRT1069 distance=76' 18308-4934 CPO 588 distance=78' 18382-4804 BRT1070 distance=79' 18360-4807 UC 3623 distance=80' 18418-5035 RST 997 distance=80' 18315-5011 SKF1147 distance=86' 18474-4938 HJ 5059AB distance=87' 18474-4938 HJ 5059AC distance=87' 18471-4853 RST1002 distance=89' 18349-4801 HJ 5047 distance=90' 18326-4814 UC 3605 distance=90' 18449-5029 HDS2656 distance=91' 18433-5040 UC 3655 distance=91' 18454-5025 R 313 distance=91' 18297-4949 HDS2620 distance=92' 18318-4819 KPP 578 distance=92' 18340-5043 I 1024 distance=94' 18313-4821 HJ 5046 distance=95' 18410-4750 KPP4115 distance=95' 18339-4759 UC 3611 distance=96' 18488-4920 UC 3681 distance=100' 18349-4746 UC 3617 distance=103' 18469-4818 UC 3669 distance=104' 18463-5036 CPO 597 distance=105' 18375-4736 UC 3627 distance=107' 18436-4746 UC 3656 distance=108' 18426-4740 HJ 5054 distance=109' 18416-4737 UC 3638 distance=109' 18310-4802 ARY 75AB distance=111' 18310-4802 ARY 75AC distance=111' 18435-5103 I 1378 distance=112' 18494-4847 I 1100 distance=112' 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 18387-4922 HDS2642 176 1.4
Show 18361-4915 UC 3624 287 9.2 26
Show 18364-4952 CPO 592 295 3.8 38
Show 18423-4958 UC 3647 226 49.9 51
Show 18341-4850 UC 3613 100 21.6 55
Show 18350-4838 I 635 358 3.0 56
Show 18329-4927 BRT1062 179 5.3 57
Show 18357-5010 BRT1067 46 3.9 57
Show 18326-4936 RST9007 42 4.1 61
Show 18331-4852 RST 990 336 2.3 63
Show 18410-5021 BRT1074 280 4.2 63
Show 18451-4929 BRT1075 166 4.7 64
Show 18330-4850 UC 3608 344 73.6 64
Show 18379-5028 UC 3629 66 55.4 67
Show 18329-4848 UC 3607 224 48.1 67
Show 18336-4833 CPO 590 287 5.9 70
Show 18354-4816 BRT1066 1 4.3 73
Show 18340-4825 BRT1063 116 4.8 74
Show 18417-4815 UC 3639 96 32.1 74
Show 18370-5035 BRT1069 48 3.1 76
Show 18308-4934 CPO 588 275 3.3 78
Show 18382-4804 BRT1070 157 5.2 79
Show 18360-4807 UC 3623 84 38.0 80
Show 18418-5035 RST 997 267 2.6 80
Show 18315-5011 SKF1147 172 85.5 86
Show 18474-4938 HJ 5059 AB 241 24.7 87
Show 18474-4938 HJ 5059 AC 200 30.0 87
Show 18471-4853 RST1002 71 0.2 89
Show 18349-4801 HJ 5047 171 45.2 90
Show 18326-4814 UC 3605 178 8.2 90
Show 18449-5029 HDS2656 230 0.6 91
Show 18433-5040 UC 3655 209 27.3 91
Show 18454-5025 R 313 37 53.9 91
Show 18297-4949 HDS2620 162 0.4 92
Show 18318-4819 KPP 578 260 5.4 92
Show 18340-5043 I 1024 95 3.0 94
Show 18313-4821 HJ 5046 76 7.4 95
Show 18410-4750 KPP4115 1 1.8 95
Show 18339-4759 UC 3611 283 20.9 96
Show 18488-4920 UC 3681 268 43.1 100
Show 18349-4746 UC 3617 138 36.6 103
Show 18469-4818 UC 3669 270 59.8 104
Show 18463-5036 CPO 597 36 7.7 105
Show 18375-4736 UC 3627 151 52.7 107
Show 18436-4746 UC 3656 254 141.6 108
Show 18426-4740 HJ 5054 326 16.2 109
Show 18416-4737 UC 3638 32 50.2 109
Show 18310-4802 ARY 75 AB 170 12.5 111
Show 18310-4802 ARY 75 AC 47 17.7 111
Show 18435-5103 I 1378 28 4.3 112
Show 18494-4847 I 1100 33 1.1 112

 
 
WDS 18387-4922 : COMPONENTS
 
 
  A
B pa=177.1°
sep=1.38"
 
 
18387-4922 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183839.36-492141.9 Mag 10.07 Spectral class G0 (yellow)
PmRA 10.00 PmDE -4.0 HIP 91416 Tycho2 8368-01443-1
CD CD-4912259 CP CP-4910678
Tycho2
Tycho2 8368-01443-1 Pflag RAmdeg 279.66402197 DEmdeg -49.36163783
PmRA 10.4 PmDE -3.6 E RAmdeg 19 E DEmdeg 24
E pmRA 1.4 E pmDE 1.5 EpRAm 1985.12 EpDEm 1983.51
Num 5 Q RAmdeg 2.2 Q DEmdeg 1.4 Q pmRA 2.0
Q pmDE 1.4 BTmag 10.710 E BTmag 0.044 VTmag 10.070
E VTmag 0.036 Prox 14 TYC T HIP 91416
CCDM A RAdeg 279.66397917 DEdeg -49.36162778 EpRA 1990 1.77
EpDE 1990 1.66 E RAdeg 21.6 E DEdeg 28.3 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 91416 Proxy H RAhms 18 38 39.36
DEdms -49 21 41.9 Vmag 9.89 VarFlag R Vmag H
RAdeg 279.664 DEdeg -49.3616 AstroRef A Plx 6.81
CCDM 18387-4922 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 176 Rho 1.356 HD BD
CD CD-4912259 CP CP-4910678 Dm number -4912259 VIred 0.71
SpType G0 R SpType Coord arcsec 2000 183839.36-492141.9
Hipparcos 2
HIP 91416 Sn 15 So 3 Nc 2
RArad 4.8810574779 DErad -0.8615229086 Plx -0.82 PmRA 10.2
PmDE -5.91 E RArad 1.66 E DErad 1.26 E Plx 1.97
E pmRA 2.11 E pmDE 1.48 Hpmag 10.0282 E Hpmag 0.005
SHp 0.033 VA 0 BV 0.645 E BV 0.126
VI 0.71
CCDM
Ccdm 18387-4922 RComp Comp A Note1
Note2 Discov num DRAs -2.63 DDEs 18.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.1 Sp G0 PmNote *
PmRA 12 PmDE -8 Dm number -4912259 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91416
 
 
18387-4922 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183839.37-492143.3 Mag 13.09 PmRA 12.00
PmDE -8.0 Calc delta mag 3.02 Calc coord yes
CCDM
Ccdm 18387-4922 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.62 DDEs 16.7
R dRAs 82 Year 1991 Theta 176 Rho 1.4
Obs 1 Vmag 13.1 Sp PmNote *
PmRA 12 PmDE -8 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91416