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Current system
20028+3142
ES 358
HD 331701


Nearby doubles
10' : 20021+3144
SEI 799

11' : 20021+3135
SEI 798

13' : 20019+3139
AG 245

13' : 20037+3145
SEI 827

15' : 20022+3154
SEI 802

15' : 20026+3127
TDT1930

16' : 20028+3158
ES 359AB

16' : 20040+3136
TDS1038

17' : 20026+3125
DAM 643

21' : 20040+3152
BRT 276

25' : 20021+3204
BRT 274

26' : 20017+3119
GRV 307

29' : 20007+3130
BRT 273

30' : 20014+3206
COU1472

30' : 20037+3209
COU1628

31' : 20032+3112
BRT 275

33' : 20039+3113
TDT1946

33' : 20020+3213
TDS1034

36' : 20035+3216
COU1627

39' : 20046+3213
HJ 1471

40' : 19597+3140
SEI 773

40' : 20036+3220
A 380

40' : 20007+3211
TDT1911AB

41' : 19597+3150
BU 1133

44' : 20059+3157
SEI 852

45' : 20063+3148
COU1322



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

20028+3142 ES 358 (HD 331701)

 
 
20h 02m 47.74s +31° 41' 45.6" P.A. 200.00 sep 8.0 mag 9.46,12.00 Sp F0 dist. 299.4 pc (976.64 l.y.)
 
 
Coord 2000 20028+3142 Discov num ES  358 Comp Coord arcsec 2000 20 02 47.74 +31 41 45.6
Date first 1902 Date last 2021 Obs 16
Pa first 199 Pa last 200.2 P.A. Now (θ) 200.2°
Sep first 7.3 Sep last 8.03 Sep. Now (ρ) 8.03"
Mag pri 9.46 Mag sec 12.00 delta mag (ΔM) 2.54 Spectral class F0 (yellow-white)
Pri motion ra +004 Sec motion ra +006
Pri motion dec -026 Sec motion dec -027
Notes N (See Notes)
rPM=0.081 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 331701 Constellation Cygnus SAO 69305 HIP 98700
Tycho2 2670-01207-1 Gaia DR2 2031004860813349248 HD 331701 BD BD+31 3904
Distance 299.4 Distance ly 976.64
 
 
WDS 20028+3142 ES 358 (HD 331701) : NOTES
 
 
discov_num notes refcode
ES 358 Aka HDS2858. Dam2012
 
 
REFERENCES
 
 
refcode metd author reference
Dam2012 j Damm, F. ...................
Dam2012 private communication, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028+3142 ES 358 2002 8 197 8.0 9.46 12.00 F0 N D 200247.74+314145.6
20028+3142 ES 358 2010 9 197 8.1 9.46 12.00 F0 N 200247.74+314145.6
20028+3142 ES 358 2015 10 197 8.0 9.46 12.00 F0 N 200247.74+314145.6
20028+3142 ES 358 2018 11 198 8.0 9.46 12.00 F0 N 200247.74+314145.6
20028+3142 ES 358 2021 16 200 8.0 9.46 12.00 F0 N 200247.74+314145.6

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

 
 
WDS 20028+3142 ES 358 (HD 331701) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20028+3142 ES 358 (HD 331701) : MEASURES
 
 
No records found.

 
 
WDS 20028+3142 (HD 331701) : VIRTUAL EYEPIECE
 
 

20028+3142 ES 358A mag 9.46 Sp F0 20028+3142 ES 358B sep 7.9 P.A. 197.40 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20028+3142 (HD 331701) : ALADIN DSS IMAGE @ 20h 02m 47.74s +31° 41' 45.6"
 
 
 
 
WDS 20028+3142 ES 358 (HD 331701) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20028+3142 ES 358 distance=0' 20021+3144 SEI 799 distance=10' 20021+3135 SEI 798 distance=11' 20019+3139 AG 245 distance=13' 20037+3145 SEI 827 distance=13' 20022+3154 SEI 802 distance=15' 20026+3127 TDT1930 distance=15' 20028+3158 ES 359BC distance=16' 20028+3158 ES 359AB distance=16' 20040+3136 TDS1038 distance=16' 20026+3125 DAM 643 distance=17' 20040+3152 BRT 276 distance=21' 20021+3204 BRT 274 distance=25' 20017+3119 GRV 307 distance=26' 20007+3130 BRT 273 distance=29' 20014+3206 COU1472 distance=30' 20037+3209 COU1628 distance=30' 20032+3112 BRT 275 distance=31' 20039+3113 TDT1946 distance=33' 20020+3213 TDS1034 distance=33' 20035+3216 COU1627 distance=36' 20046+3213 HJ 1471 distance=39' 19597+3140 SEI 773 distance=40' 20036+3220 A 380 distance=40' 20007+3211 TDT1911AB distance=40' 20007+3211 SCA 181AB,C distance=40' 19597+3150 BU 1133 distance=41' 20059+3157 SEI 852 distance=44' 20063+3148 COU1322 distance=45' 20064+3147 GYL 31 distance=47' 19591+3128 SEI 758 distance=50' 19594+3206 A 378 distance=51' 19588+3138 SEI 756 distance=51' 20042+3230 TDS1039 distance=52' 20044+3055 GRV 309 distance=52' 19589+3158 SEI 757 distance=53' 19598+3219 TDT1905 distance=54' 20016+3233 TDT1920 distance=54' 20013+3052 TDT1916 distance=54' 20068+3203 SEI 881 distance=56' 20007+3232 ES 2430AB distance=57' 20007+3232 ES 2430AC distance=57' 20007+3232 DAM 313CD distance=57' 19583+3147 KU 126 distance=58' 19593+3219 HJ 1461 distance=59' 20069+3115 SEI 882AB distance=59' 20069+3115 ES 2690AC distance=59' 20069+3115 ABH 130AD distance=59' 20069+3115 ABH 130AE distance=59' 20045+3047 TDT1951 distance=59' 20014+3240 SEI 792 distance=61' 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 20028+3142 ES 358 200 8.0
Show 20021+3144 SEI 799 51 12.7 10
Show 20021+3135 SEI 798 214 24.3 11
Show 20019+3139 AG 245 21 16.7 13
Show 20037+3145 SEI 827 18 9.4 13
Show 20022+3154 SEI 802 312 20.0 15
Show 20026+3127 TDT1930 120 0.7 15
Show 20028+3158 ES 359 BC 68 6.1 16
Show 20028+3158 ES 359 AB 135 30.5 16
Show 20040+3136 TDS1038 33 1.6 16
Show 20026+3125 DAM 643 175 6.8 17
Show 20040+3152 BRT 276 17 3.7 21
Show 20021+3204 BRT 274 7 4.7 25
Show 20017+3119 GRV 307 138 45.7 26
Show 20007+3130 BRT 273 76 4.3 29
Show 20014+3206 COU1472 190 1.2 30
Show 20037+3209 COU1628 345 1.1 30
Show 20032+3112 BRT 275 31 4.2 31
Show 20039+3113 TDT1946 287 0.4 33
Show 20020+3213 TDS1034 74 1.0 33
Show 20035+3216 COU1627 47 1.2 36
Show 20046+3213 HJ 1471 9 32.9 39
Show 19597+3140 SEI 773 258 17.4 40
Show 20036+3220 A 380 202 0.4 40
Show 20007+3211 TDT1911 AB 52 0.6 40
Show 20007+3211 SCA 181 AB,C 92 3.6 40
Show 19597+3150 BU 1133 344 1.1 41
Show 20059+3157 SEI 852 255 44.8 44
Show 20063+3148 COU1322 106 0.2 45
Show 20064+3147 GYL 31 180 68.2 47
Show 19591+3128 SEI 758 159 23.1 50
Show 19594+3206 A 378 294 1.0 51
Show 19588+3138 SEI 756 335 17.8 51
Show 20042+3230 TDS1039 112 1.4 52
Show 20044+3055 GRV 309 328 34.1 52
Show 19589+3158 SEI 757 192 15.7 53
Show 19598+3219 TDT1905 212 5.2 54
Show 20016+3233 TDT1920 154 0.7 54
Show 20013+3052 TDT1916 133 0.7 54
Show 20068+3203 SEI 881 313 7.2 56
Show 20007+3232 ES 2430 AB 265 6.5 57
Show 20007+3232 ES 2430 AC 39 17.1 57
Show 20007+3232 DAM 313 CD 298 3.8 57
Show 19583+3147 KU 126 13 53.1 58
Show 19593+3219 HJ 1461 153 11.4 59
Show 20069+3115 SEI 882 AB 60 33.9 59
Show 20069+3115 ES 2690 AC 250 33.6 59
Show 20069+3115 ABH 130 AD 208 61.2 59
Show 20069+3115 ABH 130 AE 222 65.0 59
Show 20045+3047 TDT1951 59 0.6 59
Show 20014+3240 SEI 792 5 25.4 61

 
 
WDS 20028+3142 : COMPONENTS
 
 
  A
B pa=197.4°
sep=7.90"
 
 
20028+3142 A
 
 
Componente originario normalizzato AB Name HD 331701 Coord arcsec 2000 200247.74+314145.6 Mag 9.46
Spectral class F0 (yellow-white) PmRA 4.00 PmDE -26.0 SAO 69305
HIP 98700 Tycho2 2670-01207-1 HD 331701 BD BD+31 3904
Tycho2
Tycho2 2670-01207-1 Pflag RAmdeg 300.69891465 DEmdeg 31.69600755
PmRA 3.6 PmDE -28.2 E RAmdeg 13 E DEmdeg 11
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.30 EpDEm 1990.69
Num 7 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 1.0 BTmag 9.762 E BTmag 0.021 VTmag 9.462
E VTmag 0.019 Prox 80 TYC T HIP 98700
CCDM A RAdeg 300.69890444 DEdeg 31.69607333 EpRA 1990 1.50
EpDE 1990 1.61 E RAdeg 12.5 E DEdeg 11.0 Posflg
Corr 0.2
SAO
SAO 69305 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.025 Vmag 8.8 SpType F0
Double code Source 6 CatNum 1943 DM BD+31 3904
DMcomp BDsup HD 331701 M HD 0
GC RA1950rad 5.23958172 DE1950rad 0.55074431 PmRA2000 0.0013
PmDE2000 -0.027
Hipparcos
Catalog H HIP 98700 Proxy H RAhms 20 02 47.74
DEdms +31 41 45.9 Vmag 9.33 VarFlag R Vmag G
RAdeg 300.699 DEdeg 31.6961 AstroRef A Plx 3.7
CCDM 20028+3142 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 197 Rho 7.999 HD 331701 BD BD+31 3904
CD CP Dm number +31 3904 VIred 0.47
SpType F0 R SpType Coord arcsec 2000 200247.74+314145.9
Hipparcos 2
HIP 98700 Sn 15 So 3 Nc 2
RArad 5.2481858638 DErad 0.5532008797 Plx 3.34 PmRA 3.72
PmDE -27.23 E RArad 0.79 E DErad 0.97 E Plx 1.26
E pmRA 0.99 E pmDE 1.17 Hpmag 9.3959 E Hpmag 0.0029
SHp 0.031 VA 0 BV 0.406 E BV 0.015
VI 0.47
CCDM
Ccdm 20028+3142 RComp Comp A Note1
Note2 Discov num DRAs -0.26 DDEs -14.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.5 Sp F0 PmNote *
PmRA 5 PmDE -27 Dm number +31 3904 Cat1 BD
Name2 +31 1943 Cat2 AGK2/3 HD 331701 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 98700
 
 
20028+3142 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200247.56+314138.1 Mag 12 PmRA 6.00
PmDE -27.0 Calc delta mag 2.54 Calc coord yes
CCDM
Ccdm 20028+3142 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.45 DDEs -22.0
R dRAs 82 Year 1991 Theta 197 Rho 8.0
Obs 1 Vmag 12.0 Sp PmNote *
PmRA 5 PmDE -27 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 98700