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Current system
20249+1309
J 841 AB


Nearby doubles
12' : 20244+1301
HU 1198

18' : 20238+1301
TDT2235

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BPM2166

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GKM9455AB

34' : 20272+1306
BPM2169

35' : 20233+1245
GWP2942

35' : 20227+1320
STF2673AB

39' : 20238+1235
BRT1341

47' : 20229+1346
J 3082AB

52' : 20227+1345
J 3079

52' : 20280+1244
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

64' : 20209+1332
J 1173

65' : 20206+1254
BPM2121

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HU 1196AB

67' : 20227+1406
BPM2134

67' : 20252+1416
BPM2148

72' : 20253+1420
BPM2149

76' : 20205+1226
HJ 1502

76' : 20236+1421
BPM2141



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

20249+1309 J 841 AB

 
 
20h 24m 56.07s +13° 08' 58.0" P.A. 133.00 sep 0.2 mag 10.40,11.40 Sp F8
 
 
Coord 2000 20249+1309 Discov num J   841 Comp AB Coord arcsec 2000 20 24 56.07 +13 08 58.0
Date first 1912 Date last 2013 Obs 4
Pa first 230 Pa last 132.8 P.A. Now (θ) 132.8°
Sep first 0.7 Sep last 0.154 Sep. Now (ρ) 0.154"
Mag pri 10.40 Mag sec 11.40 delta mag (ΔM) 1 Spectral class F8 (yellow-white)
Pri motion ra -021 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes N (See Notes)
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 22 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 Gaia DR2 1804015147699315456
 
 
WDS 20249+1309 J 841 AB : 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
 
 
discov author
J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20249+1309 J 841 AB 1949 2 274 0.2 10.50 11.50 F8 +12 4320 N 202456.07+130858.0
20249+1309 J 841 AB 2011 3 180 0.2 10.40 11.40 F8 +12 4320 N 202456.07+130858.0
20249+1309 J 841 AB 2013 4 133 0.2 10.40 11.40 F8 +12 4320 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 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20249+1309 J 841 AB : 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. 132.80 mag 11.4 20249+1309 J 841C sep 8.4 P.A. 82.00 mag 10.7 virtual eyepiece
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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 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20249+1309 J 841AB distance=0' 20244+1301 HU 1198 distance=12' 20238+1301 TDT2235 distance=18' 20260+1257 BPM2155 distance=20' 20270+1312 BPM2166 distance=30' 20266+1250 GKM9455AB distance=31' 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' 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 0
Show 20249+1309 J 841 AB,C 82 8.4 0
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 20266+1250 GKM9455 AB 305 1.2 31
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 2.3 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 84 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 103 59.2 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 329 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 562 144 2.3 94
Show 20311+1247 J 3244 152 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

 
 
WDS 20249+1309 : COMPONENTS
 
 
  A B
B pa=132.8°
sep=0.15"
 
C pa=82.0°
sep=8.39"
pa=81.2°
sep=8.29"
 
 
20249+1309 A
 
 
Coord arcsec 2000 202456.07+130858.0 Mag 10.4 Spectral class F8 (yellow-white) PmRA -21.00
PmDE -13.0
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 Delta magnitude 1 Coordinate calculated 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 202456.64+130859.2 Mag 10.7 PmRA 11.00 PmDE -1.0
Delta magnitude 0.3 Coordinate calculated 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