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Doubles in session


Current system
20181+2730
HDS 2898
HD 339862


Nearby doubles
19' : 20167+2729
COU1168

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MLB 609AB

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MLB 610AB

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HO 591

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HDS2889

28' : 20201+2735
TDT2179

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KPP3357

36' : 20165+2702
TDT2134

36' : 20158+2749
MCA 60AB

39' : 20160+2703
A 389

41' : 20173+2651
TDT2143

41' : 20166+2806
MLB 608

43' : 20204+2702
TDT2187

43' : 20213+2736
TDT2202

51' : 20207+2808
TDT2195

54' : 20184+2637
TDT2153

55' : 20155+2648
TDT2124

55' : 20222+2736
MLB 611

58' : 20145+2808
BRT 47AB

59' : 20137+2732
HDS2882AB

61' : 20153+2643
FOX 35

63' : 20186+2833
HJ 1501AB

68' : 20220+2651
J 3077

68' : 20229+2708
STF2676AB

69' : 20176+2622
BU 984

71' : 20128+2725
MLB 706



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

20181+2730 HDS 2898 (HD 339862)

 
 
20h 18m 04.84s +27° 30' 19.6" P.A. 153.00 sep 0.2 mag 9.58,10.66 Sp F0 dist. 204.92 pc (668.45 l.y.)
 
 
Coord 2000 20181+2730 Discov num HDS2898 Comp Coord arcsec 2000 20 18 04.84 +27 30 19.6
Date first 1991 Date last 2012 Obs 5
Pa first 138 Pa last 152.7 P.A. Now (θ) 152.7°
Sep first 0.2 Sep last 0.189 Sep. Now (ρ) 0.189"
Mag pri 9.58 Mag sec 10.66 delta mag (ΔM) 1.08 Spectral class F0 (yellow-white)
Pri motion ra -007 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 339862 Constellation Vulpecula SAO 88485 HIP 100066
Tycho2 2163-00782-1 Gaia DR2 1836171056767712384 HD 339862 BD BD+27 3677
Distance 204.92 Distance ly 668.45
 
 
WDS 20181+2730 HDS 2898 (HD 339862) : 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
20181+2730 HDS2898 1991 1 138 0.2 9.58 10.66 F0 201804.84+273019.6
20181+2730 HDS2898 2011 2 168 0.2 9.58 10.66 F0 201804.84+273019.6
20181+2730 HDS2898 2012 5 153 0.2 9.58 10.66 F0 201804.84+273019.6

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

 
 
WDS 20181+2730 HDS 2898 (HD 339862) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20181+2730 HDS 2898 (HD 339862) : MEASURES
 
 
No records found.

 
 
WDS 20181+2730 (HD 339862) : VIRTUAL EYEPIECE
 
 

20181+2730 HDS2898A mag 9.58 Sp F0 20181+2730 HDS2898B sep 0.2 P.A. 155.40 mag 10.66 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20181+2730 (HD 339862) : ALADIN DSS IMAGE @ 20h 18m 04.84s +27° 30' 19.6"
 
 
 
 
WDS 20181+2730 HDS 2898 (HD 339862) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20181+2730 HDS2898 distance=0' 20167+2729 COU1168 distance=19' 20195+2740 MLB 609BC distance=21' 20195+2740 MLB 609AB distance=21' 20196+2727 MLB 610AB distance=21' 20196+2727 MLB 610BC distance=21' 20176+2754 HO 591 distance=25' 20165+2747 HDS2889 distance=28' 20201+2735 TDT2179 distance=28' 20201+2716 KPP3357 distance=30' 20165+2702 TDT2134 distance=36' 20158+2749 CHR 94Aa,Ab distance=36' 20158+2749 MCA 60AB distance=36' 20160+2703 A 389 distance=39' 20173+2651 TDT2143 distance=41' 20166+2806 MLB 608 distance=41' 20204+2702 TDT2187 distance=43' 20213+2736 TDT2202 distance=43' 20207+2808 TDT2195 distance=51' 20184+2637 TDT2153 distance=54' 20155+2648 TDT2124 distance=55' 20222+2736 MLB 611 distance=55' 20145+2808 BRT 47AB distance=58' 20145+2808 BRT 47AC distance=58' 20137+2732 HDS2882AB distance=59' 20153+2643 FOX 35 distance=61' 20186+2833 HJ 1501AB distance=63' 20186+2833 HJ 1501AC distance=63' 20186+2833 HJ 1501CD distance=64' 20229+2708 ARN 50CD distance=67' 20220+2651 J 3077 distance=68' 20229+2708 STF2676AB distance=68' 20229+2708 ARN 50AC distance=68' 20229+2708 ARN 50AD distance=68' 20176+2622 BU 984 distance=69' 20128+2725 MLB 706 distance=71' 20237+2710 TDS1067 distance=79' 20188+2849 J 3073 distance=79' 20223+2826 TDT2214 distance=80' 20241+2746 TDT2238 distance=82' 20149+2840 HO 122AB distance=82' 20149+2840 HO 122AC distance=82' 20247+2739 MLB 707 distance=88' 20173+2604 BRT3357 distance=89' 20115+2740 TDT2067 distance=89' 20244+2802 HDS2918 distance=90' 20225+2622 BKO 574 distance=90' 20227+2837 COU1169AB distance=91' 20227+2837 COU1169AC distance=91' 20225+2618 HJ 1504AB distance=94' 20225+2618 HJ 1504AC distance=94' 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 20181+2730 HDS2898 153 0.2
Show 20167+2729 COU1168 24 0.3 19
Show 20195+2740 MLB 609 BC 282 17.4 21
Show 20195+2740 MLB 609 AB 280 5.5 21
Show 20196+2727 MLB 610 AB 26 63.3 21
Show 20196+2727 MLB 610 BC 287 8.1 21
Show 20176+2754 HO 591 293 2.7 25
Show 20165+2747 HDS2889 116 0.2 28
Show 20201+2735 TDT2179 161 0.7 28
Show 20201+2716 KPP3357 293 3.8 30
Show 20165+2702 TDT2134 16 2.5 36
Show 20158+2749 CHR 94 Aa,Ab 331 0.0 36
Show 20158+2749 MCA 60 AB 148 0.1 36
Show 20160+2703 A 389 213 1.7 39
Show 20173+2651 TDT2143 111 0.5 41
Show 20166+2806 MLB 608 227 9.3 41
Show 20204+2702 TDT2187 332 0.5 43
Show 20213+2736 TDT2202 0.4 43
Show 20207+2808 TDT2195 346 0.4 51
Show 20184+2637 TDT2153 147 0.5 54
Show 20155+2648 TDT2124 122 0.6 55
Show 20222+2736 MLB 611 206 9.9 55
Show 20145+2808 BRT 47 AB 232 4.8 58
Show 20145+2808 BRT 47 AC 215 40.4 58
Show 20137+2732 HDS2882 AB 341 0.1 59
Show 20153+2643 FOX 35 248 1.9 61
Show 20186+2833 HJ 1501 AB 355 12.9 63
Show 20186+2833 HJ 1501 AC 349 57.3 63
Show 20186+2833 HJ 1501 CD 12 20.2 64
Show 20229+2708 ARN 50 CD 186 25.9 67
Show 20220+2651 J 3077 312 4.3 68
Show 20229+2708 STF2676 AB 170 3.0 68
Show 20229+2708 ARN 50 AC 331 84.8 68
Show 20229+2708 ARN 50 AD 318 65.2 68
Show 20176+2622 BU 984 160 0.2 69
Show 20128+2725 MLB 706 172 2.1 71
Show 20237+2710 TDS1067 203 1.8 79
Show 20188+2849 J 3073 16 4.5 79
Show 20223+2826 TDT2214 8 1.0 80
Show 20241+2746 TDT2238 205 0.4 82
Show 20149+2840 HO 122 AB 72 1.4 82
Show 20149+2840 HO 122 AC 152 19.9 82
Show 20247+2739 MLB 707 358 3.5 88
Show 20173+2604 BRT3357 274 3.8 89
Show 20115+2740 TDT2067 344 0.7 89
Show 20244+2802 HDS2918 228 0.2 90
Show 20225+2622 BKO 574 76 5.5 90
Show 20227+2837 COU1169 AB 59 0.3 91
Show 20227+2837 COU1169 AC 175 1.7 91
Show 20225+2618 HJ 1504 AB 251 22.5 94
Show 20225+2618 HJ 1504 AC 228 51.6 94

 
 
WDS 20181+2730 : COMPONENTS
 
 
  A
B pa=155.4°
sep=0.18"
 
 
20181+2730 A
 
 
Componente originario normalizzato AB Name HD 339862 Coord arcsec 2000 201804.84+273019.6 Mag 9.58
Spectral class F0 (yellow-white) PmRA -7.00 PmDE -10.0 SAO 88485
HIP 100066 Tycho2 2163-00782-1 HD 339862 BD BD+27 3677
Tycho2
Tycho2 2163-00782-1 Pflag RAmdeg 304.52016476 DEmdeg 27.50544242
PmRA -6.1 PmDE -7.7 E RAmdeg 8 E DEmdeg 7
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.18 EpDEm 1991.22
Num 8 Q RAmdeg 1.5 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.8 BTmag 9.618 E BTmag 0.018 VTmag 9.206
E VTmag 0.013 Prox 622 TYC T HIP 100066
CCDM AB RAdeg 304.52017972 DEdeg 27.50545972 EpRA 1990 1.82
EpDE 1990 1.79 E RAdeg 8.2 E DEdeg 6.7 Posflg P
Corr 0.2
SAO
SAO 88485 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 0.009 Vmag 8.9 SpType F0
Double code Source 34 CatNum 11107 DM BD+27 3677
DMcomp BDsup HD 339862 M HD 0
GC RA1950rad 5.30577969 DE1950rad 0.47732924 PmRA2000 -0.0015
PmDE2000 0.006
Hipparcos
Catalog H HIP 100066 Proxy H RAhms 20 18 04.84
DEdms +27 30 19.6 Vmag 9.16 VarFlag R Vmag G
RAdeg 304.52 DEdeg 27.5055 AstroRef * Plx 5.29
CCDM 20181+2730 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 138 Rho 0.17 HD 339862 BD BD+27 3677
CD CP Dm number +27 3677 VIred 0.48
SpType F0 R SpType Coord arcsec 2000 201804.84+273019.6
Hipparcos 2
HIP 100066 Sn 55 So 3 Nc 2
RArad 5.3148798228 DErad 0.4800607938 Plx 4.88 PmRA -7.08
PmDE -9.53 E RArad 0.62 E DErad 0.73 E Plx 1.15
E pmRA 0.67 E pmDE 0.79 Hpmag 9.2399 E Hpmag 0.002
SHp 0.029 VA 0 BV 0.413 E BV 0.015
VI 0.48
CCDM
Ccdm 20181+2730 RComp Comp A Note1
Note2 Discov num DRAs -1.16 DDEs 19.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.6 Sp F0 PmNote *
PmRA -7 PmDE -10 Dm number +27 3677 Cat1 BD
Name2 +27 2162 Cat2 AGK2/3 HD 339862 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100066
 
 
20181+2730 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201804.85+273019.4 Mag 10.66 Calc delta mag 1.08
Calc coord yes
CCDM
Ccdm 20181+2730 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.16 DDEs 19.5
R dRAs 82 Year 1991 Theta 138 Rho 0.2
Obs 1 Vmag 10.7 Sp PmNote *
PmRA -7 PmDE -10 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100066