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Doubles in session


Current system
20249+1309
J 841 AB,C


Nearby doubles
12' : 20244+1301
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BPM2169

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BRT1341

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J 3079

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J 1241

52' : 20219+1336
HU 1197

53' : 20239+1217
GRV 337

57' : 20244+1213
A 1209AB

61' : 20260+1212
J 1704

63' : 20208+1327
HEI 275

63' : 20279+1224
TDT2297

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J 1173

65' : 20206+1254
BPM2121

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HU 1196AB

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BPM2134

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BPM2148

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BPM2149

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HJ 1502

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BPM2141

78' : 20196+1300
STF2664



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

20249+1309 J 841 AB,C

 
 
20h 24m 56.07s +13° 08' 58.0" P.A. 82.00 sep 8.4 mag 10.00,10.70 Sp F8
 
 
Coord 2000 20249+1309 Discov num J   841 Comp AB,C Coord arcsec 2000 20 24 56.07 +13 08 58.0
Date first 1906 Date last 2018 Obs 21
Pa first 81 Pa last 82 P.A. Now (θ) 82°
Sep first 7.9 Sep last 8.388 Sep. Now (ρ) 8.388"
Mag pri 10.00 Mag sec 10.70 delta mag (ΔM) 0.7 Spectral class F8 (yellow-white)
Pri motion ra +004 Sec motion ra +011
Pri motion dec -001 Sec motion dec -001
Notes N (See Notes)
rPM=0.634
Nature of this double is uncertain.
 
 
20249+1309 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 24 56 +13 08 58 J 841 AB 2013 4 133 0.2 10.40 11.40 1.00
Show 20 24 56 +13 08 58 J 841 AB,C 2018 21 82 8.4 10.00 10.70 0.70 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1086-01442-1 Gaia DR2 1804015147699315456
 
 
WDS 20249+1309 J 841 AB,C : NOTES
 
 
discov_num notes refcode
J 841 Not seen by any observer other than Jonckheere since discovery. J__1912g
 
 
REFERENCES
 
 
refcode metd author reference
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
 
 
DISCOVERER
 
 
idgroup discov author
1 J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20249+1309 J 841 AB,C 1997 12 83 8.3 10.10 10.50 N D 202456.07+130858.0
20249+1309 J 841 AB,C 2011 13 82 8.4 10.10 10.50 N D 202456.07+130858.0
20249+1309 J 841 AB,C 2012 15 82 8.4 10.10 10.50 N D 202456.07+130858.0
20249+1309 J 841 AB,C 2018 16 83 8.4 10.00 10.70 F8 N 202456.07+130858.0

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

 
 
WDS 20249+1309 J 841 AB,C : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20249+1309 J 841 AB,C : MEASURES
 
 
No records found.

 
 
WDS 20249+1309 : VIRTUAL EYEPIECE
 
 

20249+1309 J 841A mag 10.4 Sp F8 20249+1309 J 841B sep 0.1 P.A. 133.60 mag 11.4 20249+1309 J 841C sep 8.2 P.A. 81.80 mag 10.7 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20249+1309 : ALADIN DSS IMAGE @ 20h 24m 56.07s +13° 08' 58.0"
 
 
 
 
WDS 20249+1309 J 841 AB,C : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20249+1309 J 841AB,C distance=0' 20244+1301 HU 1198 distance=12' 20238+1301 TDT2235 distance=18' 20260+1257 BPM2155 distance=20' 20270+1312 BPM2166 distance=30' 20227+1320 STF2674CD distance=33' 20272+1306 BPM2169 distance=34' 20233+1245 GWP2942 distance=35' 20227+1320 STF2673AB distance=35' 20227+1320 STF2673AC distance=35' 20238+1235 BRT1341 distance=39' 20229+1346 J 3082AB distance=47' 20227+1345 J 3079 distance=52' 20280+1244 J 1241 distance=52' 20219+1336 HU 1197 distance=52' 20239+1217 GRV 337 distance=53' 20244+1213 WOR 33Aa,Ab distance=57' 20244+1213 A 1209AB distance=57' 20260+1212 J 1704 distance=61' 20208+1327 HEI 275 distance=63' 20279+1224 TDT2297 distance=63' 20209+1332 J 1173 distance=64' 20206+1254 BPM2121 distance=65' 20207+1249 HU 1196AB distance=66' 20207+1249 HU 1196AC distance=66' 20227+1406 BPM2134 distance=67' 20252+1416 BPM2148 distance=67' 20253+1420 BPM2149 distance=72' 20205+1226 HJ 1502 distance=76' 20236+1421 BPM2141 distance=76' 20196+1300 STF2664 distance=78' 20203+1350 BPM2118 distance=79' 20203+1227 DAM 212 distance=80' 20228+1156 BPM2135 distance=80' 20197+1333 BPM2114 distance=80' 20255+1431 BPM2151 distance=83' 20266+1148 BPM2161 distance=86' 20267+1431 BPM2162 distance=87' 20247+1438 HJ 1507 distance=90' 20239+1437 LDS4839 distance=91' 20306+1349 HDS2932 distance=92' 20307+1233 BPM2177 distance=92' 20195+1223 BPM2111 distance=93' 20186+1318 A 1671 distance=93' 20311+1248 J 562 distance=94' 20311+1247 J 3244 distance=94' 20250+1443 BPM2147 distance=94' 20308+1347 STF2688 distance=94' 20247+1443 HJ 1508AB distance=94' 20247+1443 VLM 4AC distance=94' 20240+1443 BPM2143 distance=95' 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 20249+1309 J 841 AB 133 0.2
Show 20249+1309 J 841 AB,C 82 8.4
Show 20244+1301 HU 1198 33 0.6 12
Show 20238+1301 TDT2235 260 0.7 18
Show 20260+1257 BPM2155 31 119.0 20
Show 20270+1312 BPM2166 59 25.3 30
Show 20227+1320 STF2674 CD 1 15.0 33
Show 20272+1306 BPM2169 263 28.1 34
Show 20233+1245 GWP2942 269 9.1 35
Show 20227+1320 STF2673 AB 326 2.4 35
Show 20227+1320 STF2673 AC 100 76.5 35
Show 20238+1235 BRT1341 168 3.6 39
Show 20229+1346 J 3082 AB 18 6.1 47
Show 20227+1345 J 3079 139 7.4 52
Show 20280+1244 J 1241 172 1.3 52
Show 20219+1336 HU 1197 305 1.2 52
Show 20239+1217 GRV 337 170 62.5 53
Show 20244+1213 WOR 33 Aa,Ab 131 0.6 57
Show 20244+1213 A 1209 AB 324 1.9 57
Show 20260+1212 J 1704 202 6.2 61
Show 20208+1327 HEI 275 93 0.5 63
Show 20279+1224 TDT2297 237 0.9 63
Show 20209+1332 J 1173 83 3.7 64
Show 20206+1254 BPM2121 253 95.1 65
Show 20207+1249 HU 1196 AB 322 0.4 66
Show 20207+1249 HU 1196 AC 304 3.3 66
Show 20227+1406 BPM2134 300 80.4 67
Show 20252+1416 BPM2148 96 68.4 67
Show 20253+1420 BPM2149 339 38.5 72
Show 20205+1226 HJ 1502 320 12.1 76
Show 20236+1421 BPM2141 171 109.3 76
Show 20196+1300 STF2664 322 27.8 78
Show 20203+1350 BPM2118 104 58.9 79
Show 20203+1227 DAM 212 154 8.9 80
Show 20228+1156 BPM2135 218 90.0 80
Show 20197+1333 BPM2114 313 49.4 80
Show 20255+1431 BPM2151 294 48.5 83
Show 20266+1148 BPM2161 343 104.2 86
Show 20267+1431 BPM2162 214 78.9 87
Show 20247+1438 HJ 1507 64 10.4 90
Show 20239+1437 LDS4839 311 10.4 91
Show 20306+1349 HDS2932 319 0.2 92
Show 20307+1233 BPM2177 220 71.0 92
Show 20195+1223 BPM2111 249 101.1 93
Show 20186+1318 A 1671 229 2.2 93
Show 20311+1248 J 562 146 2.2 94
Show 20311+1247 J 3244 153 4.4 94
Show 20250+1443 BPM2147 65 92.4 94
Show 20308+1347 STF2688 175 7.9 94
Show 20247+1443 HJ 1508 AB 59 13.9 94
Show 20247+1443 VLM 4 AC 152 17.4 94

 
 
WDS 20249+1309 : COMPONENTS
 
 
  A B
B pa=133.6°
sep=0.15"
 
C pa=81.8°
sep=8.17"
pa=80.9°
sep=8.08"
 
 
20249+1309 A
 
 
Coord arcsec 2000 202456.07+130858.0 Mag 10.4 Spectral class F8 (yellow-white) PmRA -21.00
PmDE -13.0 Tycho2 1086-01442-1 ADS 13827 DM BD+12 4320
Tycho2
Tycho2 1086-01442-1 Pflag RAmdeg 306.23361019 DEmdeg 13.14945799
PmRA 6.7 PmDE -1.9 E RAmdeg 24 E DEmdeg 29
E pmRA 1.3 E pmDE 1.2 EpRAm 1987.07 EpDEm 1984.17
Num 4 Q RAmdeg 2.6 Q DEmdeg 0.9 Q pmRA 2.5
Q pmDE 0.8 BTmag 10.675 E BTmag 0.046 VTmag 10.097
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 306.23359417 DEdeg 13.14946250 EpRA 1990 1.69
EpDE 1990 1.35 E RAdeg 25.4 E DEdeg 29.5 Posflg
Corr 0.0
CCDM
Ccdm 20249+1309 RComp Comp A Note1
Note2 Discov num DRAs 1.94 DDEs -2.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.9 Sp F8 PmNote *
PmRA -16 PmDE -19 Dm number +12 4320 Cat1 BD
Name2 +12 2307 Cat2 AGK2/3 HD M HD
ADS BDS A13827 M ADS BDS N IDS IDS 20202N1250A
HIC
 
 
20249+1309 B
 
 
Coord arcsec 2000 202456.08+130857.9 Mag 11.4 Calc delta mag 1 Calc coord yes
CCDM
Ccdm 20249+1309 RComp Comp B Note1
Note2 Discov num J 841 DRAs DDEs
R dRAs Year 1949 Theta 274 Rho 0.2
Obs 2 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13827 M ADS BDS N N IDS IDS 20202N1250B
HIC
 
 
20249+1309 C
 
 
Coord arcsec 2000 202456.62+130859.2 Mag 10.7 PmRA 11.00 PmDE -1.0
Calc delta mag 0.3 Calc coord yes
CCDM
Ccdm 20249+1309 RComp Comp C Note1
Note2 Discov num J 841 DRAs 2.54 DDEs -2.5
R dRAs 10 Year 1912 Theta 082 Rho 8.3
Obs 5 Vmag 10.5 Sp PmNote *
PmRA -1 PmDE -27 Dm number Cat1
Name2 +12 2308 Cat2 AGK2/3 HD M HD
ADS BDS A13827 M ADS BDS N IDS IDS 20202N1250C
HIC