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Doubles in session


Current system
20317+3831
ES 246 AB


Nearby doubles
4' : 20314+3833
JNN 284

16' : 20304+3833
A 1430

18' : 20311+3847
SEI1150

19' : 20331+3822
TDT2363

20' : 20302+3823
SEI1141

21' : 20300+3832
SMA 117

23' : 20306+3850
SEI1144

25' : 20337+3835
A 1431

25' : 20311+3854
SEI1149

25' : 20315+3806
SEI1151

26' : 20296+3836
SEI1136

29' : 20324+3859
SEI1157

32' : 20336+3854
KPP4205

33' : 20341+3847
KPP4206

34' : 20297+3808
STF2691

34' : 20335+3858
SEI1166

36' : 20296+3856
MLB 775

36' : 20330+3903
SEI1163

38' : 20288+3812
ES 2508

39' : 20344+3852
SEI1172

39' : 20296+3901
ALI 936AB

39' : 20349+3840
SEI1177

40' : 20288+3810
ES 206

42' : 20293+3901
DAM 315

42' : 20349+3849
SEI1176

42' : 20304+3753
TDT2328



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Binary Systems
Triple Systems
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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20317+3831 ES 246 AB

 
 
20h 31m 41.28s +38° 31' 15.2" P.A. 355.00 sep 5.1 mag 10.92,13.40
 
 
Coord 2000 20317+3831 Discov num ES  246 Comp AB Coord arcsec 2000 20 31 41.28 +38 31 15.2
Date first 1895 Date last 2014 Obs 4
Pa first 12 Pa last 355 P.A. Now (θ) 355°
Sep first 5.4 Sep last 5.074 Sep. Now (ρ) 5.074"
Mag pri 10.92 Mag sec 13.40 delta mag (ΔM) 2.48 Spectral class
Pri motion ra -001 Sec motion ra -010
Pri motion dec -007 Sec motion dec +010
Notes N (See Notes)
rPM=1.36
This double is not physical.
 
 
20317+3831 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 41 +38 31 15 ES 246 AB 2014 4 355 5.1 10.92 13.40 2.48 <===
Show 20 31 41 +38 31 15 ES 246 AC 2015 20 354 9.9 10.92 12.40 1.48
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3153-01233-1 Gaia DR2 2063911938137156352 ADS 13963
 
 
WDS 20317+3831 ES 246 AB : NOTES
 
 
discov_num notes refcode
ES 246 AB: SEI1153. Nsn2017d
AC: SEI1154. Nsn2017d
 
 
REFERENCES
 
 
refcode metd author reference
Nsn2017d not - Nanson, J. ...................
Nsn2017d private communication, 2017
 
 
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
20317+3831 ES 246 AB 1923 3 7 6.6 10.92 13.40 203141.28+383115.2
20317+3831 ES 246 AB 2002 4 354 9.9 10.92 13.40 203141.28+383115.2
20317+3831 ES 246 AB 2014 4 355 5.1 10.92 13.40 N 203141.28+383115.2

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

 
 
WDS 20317+3831 ES 246 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20317+3831 ES 246 AB : MEASURES
 
 
No records found.

 
 
WDS 20317+3831 : VIRTUAL EYEPIECE
 
 

20317+3831 ES 246A mag 10.92 20317+3831 ES 246B sep 5.1 P.A. 356.10 mag 13.4 20317+3831 ES 246C sep 9.9 P.A. 355.10 mag 12.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20317+3831 : ALADIN DSS IMAGE @ 20h 31m 41.28s +38° 31' 15.2"
 
 
 
 
WDS 20317+3831 ES 246 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20317+3831 ES 246AB distance=1' 20317+3831 ES 246AC distance=1' 20314+3833 JNN 284 distance=4' 20304+3833 A 1430 distance=16' 20311+3847 SEI1150 distance=18' 20331+3822 TDT2363 distance=19' 20302+3823 SEI1141 distance=20' 20300+3832 SMA 117 distance=21' 20306+3850 SEI1144 distance=23' 20337+3835 A 1431 distance=25' 20311+3854 SEI1149 distance=25' 20315+3806 SEI1151 distance=25' 20296+3836 SEI1136 distance=26' 20324+3859 SEI1157 distance=29' 20336+3854 KPP4205 distance=32' 20341+3847 KPP4206 distance=33' 20297+3808 STF2691 distance=34' 20335+3858 SEI1166 distance=34' 20296+3856 MLB 775 distance=36' 20330+3903 SEI1163 distance=36' 20288+3812 ES 2508 distance=38' 20344+3852 SEI1172 distance=39' 20296+3901 ALI 936AB distance=39' 20296+3901 SEI1137AC distance=39' 20349+3840 SEI1177 distance=39' 20288+3810 ES 206 distance=40' 20293+3901 DAM 315 distance=42' 20349+3849 SEI1176 distance=42' 20304+3753 TDT2328 distance=42' 20282+3821 TDT2304 distance=43' 20332+3910 SEI1165 distance=43' 20348+3852 GRV 357 distance=44' 20281+3820 SMR 71 distance=44' 20332+3911 CNT 6 distance=44' 20308+3749 SEI1146AB distance=44' 20308+3749 SEI1147AC distance=44' 20281+3847 ALI 933 distance=45' 20327+3916 SEI1160AB distance=47' 20327+3916 SEI1159AC distance=47' 20345+3759 BKO 569 distance=47' 20280+3813 ES 2507 distance=48' 20335+3913 SEI1168 distance=48' 20276+3926 GUL 3 distance=49' 20319+3920 HJ 1531 distance=50' 20354+3810 RAO 439 distance=50' 20350+3757 SEI1178AB distance=52' 20350+3757 BKO 570AC distance=52' 20287+3911 CBL 83 distance=54' 20352+3754 SEI1180AB distance=54' 20352+3754 SEI1181AC distance=54' 20352+3754 SEI1180BC distance=54' 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 20317+3831 ES 246 AB 355 5.1 1
Show 20317+3831 ES 246 AC 354 9.9 1
Show 20314+3833 JNN 284 252 0.1 4
Show 20304+3833 A 1430 132 3.4 16
Show 20311+3847 SEI1150 74 21.6 18
Show 20331+3822 TDT2363 174 0.5 19
Show 20302+3823 SEI1141 175 22.5 20
Show 20300+3832 SMA 117 264 12.4 21
Show 20306+3850 SEI1144 177 18.1 23
Show 20337+3835 A 1431 29 0.9 25
Show 20311+3854 SEI1149 203 19.6 25
Show 20315+3806 SEI1151 215 25.1 25
Show 20296+3836 SEI1136 259 11.5 26
Show 20324+3859 SEI1157 66 7.6 29
Show 20336+3854 KPP4205 80 2.6 32
Show 20341+3847 KPP4206 215 1.6 33
Show 20297+3808 STF2691 32 16.3 34
Show 20335+3858 SEI1166 73 17.0 34
Show 20296+3856 MLB 775 167 10.8 36
Show 20330+3903 SEI1163 221 28.9 36
Show 20288+3812 ES 2508 302 6.3 38
Show 20344+3852 SEI1172 149 21.8 39
Show 20296+3901 ALI 936 AB 77 10.5 39
Show 20296+3901 SEI1137 AC 310 22.0 39
Show 20349+3840 SEI1177 139 13.0 39
Show 20288+3810 ES 206 124 4.2 40
Show 20293+3901 DAM 315 281 10.3 42
Show 20349+3849 SEI1176 11 19.9 42
Show 20304+3753 TDT2328 45 0.5 42
Show 20282+3821 TDT2304 199 5.4 43
Show 20332+3910 SEI1165 4 10.7 43
Show 20348+3852 GRV 357 275 22.5 44
Show 20281+3820 SMR 71 65 8.4 44
Show 20332+3911 CNT 6 205 6.6 44
Show 20308+3749 SEI1146 AB 42 10.2 44
Show 20308+3749 SEI1147 AC 286 14.5 44
Show 20281+3847 ALI 933 254 13.8 45
Show 20327+3916 SEI1160 AB 49 13.9 47
Show 20327+3916 SEI1159 AC 148 21.0 47
Show 20345+3759 BKO 569 73 8.5 47
Show 20280+3813 ES 2507 84 8.2 48
Show 20335+3913 SEI1168 118 19.4 48
Show 20276+3926 GUL 3 335 0.5 49
Show 20319+3920 HJ 1531 318 6.4 50
Show 20354+3810 RAO 439 235 0.7 50
Show 20350+3757 SEI1178 AB 174 19.1 52
Show 20350+3757 BKO 570 AC 12 6.2 52
Show 20287+3911 CBL 83 172 41.8 54
Show 20352+3754 SEI1180 AB 138 28.4 54
Show 20352+3754 SEI1181 AC 102 29.4 54
Show 20352+3754 SEI1180 BC 33 17.9 54

 
 
WDS 20317+3831 : COMPONENTS
 
 
  A B
B pa=356.1°
sep=5.07"
 
C pa=355.1°
sep=9.88"
pa=354.2°
sep=4.82"
 
 
20317+3831 A
 
 
Coord arcsec 2000 203141.28+383115.2 Mag 10.92 PmRA -1.00 PmDE -7.0
Tycho2 3153-01233-1 ADS 13963 DM BD+38 4133
Tycho2
Tycho2 3153-01233-1 Pflag RAmdeg 307.92201189 DEmdeg 38.52090968
PmRA 0.7 PmDE -1.4 E RAmdeg 36 E DEmdeg 32
E pmRA 1.7 E pmDE 1.6 EpRAm 1985.79 EpDEm 1986.79
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.8 Q pmRA 0.7
Q pmDE 1.8 BTmag 11.361 E BTmag 0.056 VTmag 10.920
E VTmag 0.058 Prox 999 TYC T HIP
CCDM RAdeg 307.92201000 DEdeg 38.52091194 EpRA 1990 1.52
EpDE 1990 1.76 E RAdeg 37.3 E DEdeg 32.9 Posflg
Corr 0.1
 
 
20317+3831 B
 
 
Coord arcsec 2000 203141.25+383120.3 Mag 13.4 PmRA -10.00 PmDE 10.0
Calc delta mag 2.48 Calc coord yes
 
 
20317+3831 C
 
 
Coord arcsec 2000 203141.21+383125.0 Mag 12.4 PmRA -10.00 PmDE 10.0
Calc delta mag 1.48 Calc coord yes