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Doubles in session


Current system
20391+1329
TDT 2453 Aa,Ab


Nearby doubles
20' : 20379+1338
KPP2532

21' : 20396+1310
J 912

25' : 20408+1332
GWP2982

31' : 20390+1400
BPM2217

32' : 20413+1327
BPM2227AB

39' : 20397+1406
J 3104

42' : 20364+1339
BPM2206

42' : 20363+1328
BPM2203AB

44' : 20402+1248
BPM2223

45' : 20421+1341
BPM2232

46' : 20391+1243
BPM2218

46' : 20362+1311
BPM2202

48' : 20397+1415
UC 4247

49' : 20372+1250
A 1680

51' : 20426+1335
HEI 279AB

53' : 20405+1240
HEI 278

54' : 20356+1315
BPM2201

55' : 20418+1404
J 2575

59' : 20426+1300
GWP2988

61' : 20370+1420
J 3098

64' : 20372+1425
HEI9015

65' : 20419+1419
HU 1199

65' : 20373+1230
UC 4235

68' : 20426+1244
STF2718AB

68' : 20438+1330
BPM2238

70' : 20418+1231
STF2715



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20391+1329 TDT 2453 Aa,Ab

 
 
20h 39m 07.13s +13° 29' 01.8" P.A. 117.00 sep 0.5 mag 10.49,10.94
 
 
Coord 2000 20391+1329 Discov num TDT2453 Comp Aa,Ab Coord arcsec 2000 20 39 07.13 +13 29 01.8
Date first 1991 Date last 1991 Obs 1
Pa first 117 Pa last 117.2 P.A. Now (θ) 117.2°
Sep first 0.5 Sep last 0.5 Sep. Now (ρ) 0.5"
Mag pri 10.49 Mag sec 10.94 delta mag (ΔM) 0.45 Spectral class
Pri motion ra +074 Sec motion ra +074
Pri motion dec +056 Sec motion dec +056
Notes
Nature of this double is uncertain.
 
 
20391+1329 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 39 07 +13 29 02 TDT 2453 Aa,Ab 1991 1 117 0.5 10.49 10.94 0.45 <===
Show 20 39 07 +13 29 02 UC 4242 AB 2015 6 105 45.3 9.90 15.40 5.50
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1100-01675-1 Gaia DR2 1756085752220246016
 
 
WDS 20391+1329 TDT 2453 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) ...................
UC_2013a Eu j Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., 2013AJ....145...44Z
UC_2013a & Zacharias, M.I. (UCAC4 Catalog)
UC_2013a AJ 145, 44, 2013
UC_2013b Eu j Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. 2013AJ....146...76H
UC_2013b AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b (Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b letter "f" following the filter information.
UC_2013b APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b identical values for both components in all filters were removed, as well.
UC_2015 Eu - Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., 2015AJ....150..101Z
UC_2015 DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015 Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015 AJ 150, 101, 2015
UC_9999 Eu - temporary UCAC files ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20391+1329 TDT2453 Aa,Ab 1991 1 117 0.5 10.49 10.94 203907.13+132901.8

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

 
 
WDS 20391+1329 TDT 2453 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20391+1329 TDT 2453 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 20391+1329 : VIRTUAL EYEPIECE
 
 

20391+1329 UC 4242A mag 9.9 20391+1329 TDT2453Ab sep 0.5 P.A. 117.90 mag 10.94 20391+1329 UC 4242B sep 44.1 P.A. 105.40 mag 15.4 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 20391+1329 : ALADIN DSS IMAGE @ 20h 39m 07.13s +13° 29' 01.8"
 
 
 
 
WDS 20391+1329 TDT 2453 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20391+1329 TDT2453Aa,Ab distance=0' 20379+1338 KPP2532 distance=20' 20396+1310 J 912 distance=21' 20408+1332 GWP2982 distance=25' 20390+1400 BPM2217 distance=31' 20413+1327 BPM2227AB distance=32' 20413+1327 BPM2228BC distance=32' 20397+1406 J 3104 distance=39' 20364+1339 BPM2206 distance=42' 20363+1328 BPM2203AB distance=42' 20363+1328 BPM2204AC distance=42' 20402+1248 BPM2223 distance=44' 20421+1341 BPM2232 distance=45' 20391+1243 BPM2218 distance=46' 20362+1311 BPM2202 distance=46' 20397+1415 UC 4247 distance=48' 20372+1250 A 1680 distance=49' 20426+1335 HEI 279AB distance=51' 20426+1335 HEI 279BC distance=52' 20405+1240 HEI 278 distance=53' 20356+1315 BPM2201 distance=54' 20418+1404 J 2575 distance=55' 20426+1300 GWP2988 distance=59' 20370+1420 J 3098 distance=61' 20372+1425 HEI9015 distance=64' 20419+1419 HU 1199 distance=65' 20373+1230 UC 4235 distance=65' 20426+1244 STF2718AB distance=68' 20426+1244 STF2718AC distance=68' 20426+1244 STF2718BC distance=68' 20438+1330 BPM2238 distance=68' 20418+1231 STF2715 distance=70' 20428+1244 BPM2234 distance=70' 20375+1436 BU 151AB (Rotanev) distance=71' 20375+1436 HJ 5545AB,C distance=71' 20375+1436 STF2704AB,D distance=71' 20375+1436 LBZ 1AB,E distance=71' 20372+1224 BPM2209 distance=71' 20342+1333 HEI 277 distance=74' 20351+1413 J 1887 distance=74' 20346+1255 BPM2193 distance=75' 20340+1326 FOX 37 distance=75' 20366+1437 A 1679 distance=78' 20439+1255 J 1888 distance=78' 20440+1256 DAM 218 distance=79' 20391+1448 LEP 95 distance=79' 20446+1333 YSC 242AB distance=81' 20446+1312 TDS1098 distance=82' 20368+1444 STF2703AB distance=82' 20368+1444 STF2703AD distance=82' 20368+1444 STF2703AC distance=82' 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 20391+1329 TDT2453 Aa,Ab 117 0.5
Show 20391+1329 UC 4242 AB 105 45.3
Show 20379+1338 KPP2532 26 22.8 20
Show 20396+1310 J 912 125 1.8 21
Show 20408+1332 GWP2982 31 88.8 25
Show 20390+1400 BPM2217 287 65.7 31
Show 20413+1327 BPM2227 AB 173 68.5 32
Show 20413+1327 BPM2228 BC 141 118.1 32
Show 20397+1406 J 3104 286 6.2 39
Show 20364+1339 BPM2206 91 38.2 42
Show 20363+1328 BPM2203 AB 231 51.2 42
Show 20363+1328 BPM2204 AC 356 69.3 42
Show 20402+1248 BPM2223 290 95.3 44
Show 20421+1341 BPM2232 346 68.4 45
Show 20391+1243 BPM2218 252 64.4 46
Show 20362+1311 BPM2202 129 111.9 46
Show 20397+1415 UC 4247 147 32.7 48
Show 20372+1250 A 1680 295 3.8 49
Show 20426+1335 HEI 279 AB 115 25.1 51
Show 20426+1335 HEI 279 BC 211 4.1 52
Show 20405+1240 HEI 278 135 3.4 53
Show 20356+1315 BPM2201 7 74.2 54
Show 20418+1404 J 2575 305 1.7 55
Show 20426+1300 GWP2988 23 19.1 59
Show 20370+1420 J 3098 302 4.9 61
Show 20372+1425 HEI9015 14 4.6 64
Show 20419+1419 HU 1199 249 0.7 65
Show 20373+1230 UC 4235 132 44.9 65
Show 20426+1244 STF2718 AB 87 8.5 68
Show 20426+1244 STF2718 AC 346 167.2 68
Show 20426+1244 STF2718 BC 346 167.3 68
Show 20438+1330 BPM2238 50 66.9 68
Show 20418+1231 STF2715 2 12.4 70
Show 20428+1244 BPM2234 331 93.5 70
Show Rotanev 20375+1436 BU 151 AB 218 0.2 71
Show 20375+1436 HJ 5545 AB,C 139 12.1 71
Show 20375+1436 STF2704 AB,D 317 47.8 71
Show 20375+1436 LBZ 1 AB,E 271 112.6 71
Show 20372+1224 BPM2209 213 61.9 71
Show 20342+1333 HEI 277 247 0.7 74
Show 20351+1413 J 1887 278 5.4 74
Show 20346+1255 BPM2193 288 103.8 75
Show 20340+1326 FOX 37 57 1.3 75
Show 20366+1437 A 1679 273 3.1 78
Show 20439+1255 J 1888 158 10.0 78
Show 20440+1256 DAM 218 342 5.7 79
Show 20391+1448 LEP 95 151 8.5 79
Show 20446+1333 YSC 242 AB 157 1.5 81
Show 20446+1312 TDS1098 279 0.9 82
Show 20368+1444 STF2703 AB 290 25.1 82
Show 20368+1444 STF2703 AD 347 84.7 82

 
 
WDS 20391+1329 : COMPONENTS
 
 
  A Ab
Ab pa=117.9°
sep=0.49"
 
B pa=105.4°
sep=44.09"
pa=105.3°
sep=43.61"
 
 
20391+1329 A
 
 
Coord arcsec 2000 203907.13+132901.8 Mag 9.9 PmRA 74.00 PmDE 56.0
Tycho2 1100-01675-1
Tycho2
Tycho2 1100-01675-1 Pflag RAmdeg 309.77971695 DEmdeg 13.48384481
PmRA 74.0 PmDE 56.4 E RAmdeg 20 E DEmdeg 23
E pmRA 1.5 E pmDE 1.4 EpRAm 1988.03 EpDEm 1986.23
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.4 BTmag 10.750 E BTmag 0.045 VTmag 10.006
E VTmag 0.035 Prox 901 TYC T HIP
CCDM RAdeg 309.77954444 DEdeg 13.48371056 EpRA 1990 1.74
EpDE 1990 1.51 E RAdeg 22.3 E DEdeg 27.4 Posflg
Corr 0.0
 
 
20391+1329 Ab
 
 
Coord arcsec 2000 203907.16+132901.6 Mag 10.94 PmRA 74.00 PmDE 56.0
Calc delta mag 0.45 Calc coord yes
 
 
20391+1329 B
 
 
Coord arcsec 2000 203910.04+132850.1 Mag 15.4 PmRA 71.00 PmDE 55.0
Calc delta mag 4.91 Calc coord yes