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Current system
21379+0245
ITF 109


Nearby doubles
25' : 21366+0230
UC 4507

39' : 21396+0215
BUP 229

43' : 21408+0252
GWP3086

49' : 21369+0158
UC 4508

51' : 21412+0252
GRV 492

51' : 21349+0308
A 2291

52' : 21359+0326
BAL2055

55' : 21393+0154
BAL1591

59' : 21353+0202
CVR 909

66' : 21358+0342
GWP3076

68' : 21376+0137
JNN 291

70' : 21403+0344
STT 446

71' : 21364+0351
BAL2562

71' : 21426+0233
HDS3092

75' : 21330+0244
GWP3073

77' : 21408+0141
BAL1592

77' : 21430+0253
GWP3088

84' : 21418+0145
HJ 3049

85' : 21338+0147
BLZ 1

87' : 21404+0126
BAL1234

89' : 21437+0230
HJ 3052

89' : 21425+0342
CVR 916

90' : 21328+0159
A 2290

97' : 21406+0116
CHE 306

98' : 21317+0312
J 1723

99' : 21412+0118
TOB 318



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.

21379+0245 ITF 109

 
 
21h 37m 56.68s +02° 44' 39.2" P.A. 115.00 sep 5.6 mag 13.30,14.50 Sp G7V+K2V
 
 
Coord 2000 21379+0245 Discov num ITF 109 Comp Coord arcsec 2000 21 37 56.68 +02 44 39.2
Date first 1954 Date last 2014 Obs 5
Pa first 110 Pa last 114.6 P.A. Now (θ) 114.6°
Sep first 5.1 Sep last 5.61 Sep. Now (ρ) 5.61"
Mag pri 13.30 Mag sec 14.50 delta mag (ΔM) 1.2 Spectral class G7V+K2V (yellow/yellow-orange)
Pri motion ra +017 Sec motion ra +018
Pri motion dec +002 Sec motion dec +003
Notes V (Proper motion indicates physical)
rPM=0.077 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Gaia DR2 2694771539324362112
 
 
WDS 21379+0245 ITF 109 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
ITF2011 C j Falcon, I.T. 2011OED.....6...79F
ITF2011 El Observador de Estrellas Dobles, Issue #6, 79, 2011
ITF2011b C j Falcon, I.T. 2011OED.....7...51F
ITF2011b El Observador de Estrellas Dobles, Issue #7, 51, 2011
ITF2012 P j Falcon, I.T. .
ITF2012 +E2 Il Bollettino Delle Stelle Doppie 2, 35, 2012
ITF2012 +E (Italian translation on page 11 of the same publication)
ITF2012b P j Falcon, I.T. 2012JDSO....8..168F
ITF2012b +E+ JDSO 8, 168, 2012
ITF2012c Pp j Falcon, I.T. 2012JDSO....8..234F
ITF2012c JDSO 8, 234, 2012
ITF2012d P j Falcon, I.T. .
ITF2012d +E+ Il Bollettino Delle Stelle Doppie 3, 9, 2012
ITF2012e P w Falcon, I.T. 2012JDSO....8..323F
ITF2012e +E+ JDSO 8, 323, 2012
ITF2013 P - Falcon, I.T. .
ITF2013 +E2 Il Bollettino Delle Stelle Doppie 4, 51, 2013
ITF2013 (Italian translation on page 5 of the same publication)
ITF2013b P - Falcon, I.T. .
ITF2013b +E+ Il Bollettino Delle Stelle Doppie 5, 84, 2013
ITF2013b +C
ITF2013c P j Falcon, I.T. .
ITF2013c +E+ Il Bollettino Delle Stelle Doppie 5, 84, 2013
ITF2013c +C (most measures in ITF2013b)
ITF2013d P - Falcon, I.T. .
ITF2013d +E+ Il Bollettino Delle Stelle Doppie 6, 57, 2013
ITF2013d +C
ITF2013e C - Falcon, I.T. .
ITF2013e +P Il Bollettino Delle Stelle Doppie 7, 52, 2013
ITF2013e +E2
ITF2014 P - Falcon, I.T. .
ITF2014 +E+ Il Bollettino Delle Stelle Doppie 8, 48, 2014
ITF2014 (Italian translation on page 5 of the same publication)
ITF2014b P - Falcon, I.T. .
ITF2014b +E2 Il Bollettino Delle Stelle Doppie 9, 31, 2014
ITF2014b +E (Italian translation on page 7 of the same publication)
ITF2014c P - Falcon, I.T. .
ITF2014c +E2 Il Bollettino Delle Stelle Doppie 10, 30, 2014
ITF2014c (Italian translation on page 16 of the same publication)
ITF2014d P - Falcon, I.T. .
ITF2014d +E2 Il Bollettino Delle Stelle Doppie 11, 33, 2014
ITF2014d +C (Italian translation on page 11 of the same publication)
ITF2015a P - Falcon, I.T. .
ITF2015a +E2 Il Bollettino Delle Stelle Doppie 12, 23, 2015
ITF2015a (Italian translation on page 13 of the same publication)
ITF2015b P - Falcon, I.T. .
ITF2015b +E2 Il Bollettino Delle Stelle Doppie 13, 26, 2015
ITF2015b (Italian translation on page 22 of the same publication)
ITF2015c P - Falcon, I.T. .
ITF2015c +E2 Il Bollettino Delle Stelle Doppie 15, 45, 2015
ITF2015c +Es (Italian translation on page 13 of the same publication)
ITF2016a P - Falcon, I.T. .
ITF2016a +E2 Il Bollettino Delle Stelle Doppie 18, 22, 2016
ITF2016a +Es (Italian translation on page 10 of the same publication)
ITF2017 P - Falcon, I.T. .
ITF2017 +E2 Il Bollettino Delle Stelle Doppie 23, 33, 2017
ITF2017 +Es (Italian translation on page 4 of the same publication)
ITF2018 P+ - Falcon, I.T. .
ITF2018 +E2+ Il Bollettino Delle Stelle Doppie 26, 69, 2018
ITF2018 +C (Italian translation on page 13 of the same publication)
ITF2018 (ITF 103-110 already published in ITF2017)
ITF2020 P - Falcon, I.T. .
ITF2020 +E Il Bollettino Delle Stelle Doppie 32, 4, 2020
ITF2021 P - Falcon, I.T. .
ITF2021 +E Il Bollettino Delle Stelle Doppie 34, 18, 2021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21379+0245 ITF 109 2000 2 114 5.4 13.30 14.50 G7V+K2V V 213756.68+024439.2
21379+0245 ITF 109 2014 5 115 5.6 13.30 14.50 G7V+K2V V 213756.68+024439.2

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

 
 
WDS 21379+0245 ITF 109 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21379+0245 ITF 109 : MEASURES
 
 
No records found.

 
 
WDS 21379+0245 : VIRTUAL EYEPIECE
 
 

21379+0245 ITF 109A mag 13.3 Sp G7V 21379+0245 ITF 109B sep 5.6 P.A. 114.60 mag 14.5 Sp K2V virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21379+0245 : ALADIN DSS IMAGE @ 21h 37m 56.68s +02° 44' 39.2"
 
 
 
 
WDS 21379+0245 ITF 109 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21379+0245 ITF 109 distance=0' 21366+0230 UC 4507 distance=25' 21396+0215 BUP 229 distance=39' 21408+0252 GWP3086 distance=43' 21369+0158 UC 4508 distance=49' 21412+0252 GRV 492 distance=51' 21349+0308 A 2291 distance=51' 21359+0326 BAL2055 distance=52' 21393+0154 BAL1591 distance=55' 21353+0202 CVR 909 distance=59' 21358+0342 GWP3076 distance=66' 21376+0137 JNN 291 distance=68' 21403+0344 STT 446 distance=70' 21364+0351 BAL2562 distance=71' 21426+0233 HDS3092 distance=71' 21330+0244 GWP3073 distance=75' 21408+0141 BAL1592 distance=77' 21430+0253 GWP3088 distance=77' 21418+0145 HJ 3049 distance=84' 21338+0147 BLZ 1 distance=85' 21404+0126 BAL1234 distance=87' 21437+0230 HJ 3052 distance=89' 21425+0342 CVR 916 distance=89' 21328+0159 A 2290 distance=90' 21406+0116 CHE 306 distance=97' 21317+0312 J 1723 distance=98' 21412+0118 TOB 318 distance=99' 21439+0159 A 2097 distance=99' 21412+0117 BAL1235 distance=101' 21447+0250 BU 1263 distance=102' 21311+0226 BAL1590 distance=104' 21448+0300 BU 689 distance=104' 21440+0335 A 2098 distance=104' 21420+0408 J 1790 distance=105' 21408+0110 SLW1248 distance=105' 21396+0431 HEI 822 distance=109' 21372+0054 ARU 22 distance=112' 21456+0251 BAL2056 distance=115' 21315+0140 HJ 3031 distance=116' 21421+0104 CHE 309 distance=118' 21406+0051 SLW1247 distance=121' 21421+0059 CHE 310 distance=124' 21315+0122 ITF 88 distance=128' 21359+0041 HJ 3039 distance=128' 21318+0116 BAL1231 distance=128' 21439+0419 NSN 6 distance=130' 21376+0035 ARU 4 distance=130' 21371+0033 LAW 28Aa,Ab distance=133' 21371+0033 LAW 28AB distance=133' 21324-0059 SLW1241 distance=135' 21404+0034 SMA 151 distance=135' 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 21379+0245 ITF 109 115 5.6
Show 21366+0230 UC 4507 194 7.3 25
Show 21396+0215 BUP 229 43 139.5 39
Show 21408+0252 GWP3086 300 45.8 43
Show 21369+0158 UC 4508 29 27.5 49
Show 21412+0252 GRV 492 171 58.7 51
Show 21349+0308 A 2291 93 1.0 51
Show 21359+0326 BAL2055 190 12.2 52
Show 21393+0154 BAL1591 128 18.1 55
Show 21353+0202 CVR 909 83 13.8 59
Show 21358+0342 GWP3076 318 10.5 66
Show 21376+0137 JNN 291 345 0.4 68
Show 21403+0344 STT 446 173 6.6 70
Show 21364+0351 BAL2562 152 17.1 71
Show 21426+0233 HDS3092 156 0.3 71
Show 21330+0244 GWP3073 326 37.1 75
Show 21408+0141 BAL1592 66 5.4 77
Show 21430+0253 GWP3088 239 6.8 77
Show 21418+0145 HJ 3049 27 35.6 84
Show 21338+0147 BLZ 1 3 5.2 85
Show 21404+0126 BAL1234 43 20.1 87
Show 21437+0230 HJ 3052 291 14.3 89
Show 21425+0342 CVR 916 238 9.8 89
Show 21328+0159 A 2290 261 0.5 90
Show 21406+0116 CHE 306 183 25.0 97
Show 21317+0312 J 1723 121 2.4 98
Show 21412+0118 TOB 318 104 29.0 99
Show 21439+0159 A 2097 358 0.2 99
Show 21412+0117 BAL1235 319 8.9 101
Show 21447+0250 BU 1263 193 0.6 102
Show 21311+0226 BAL1590 285 2.7 104
Show 21448+0300 BU 689 244 1.8 104
Show 21440+0335 A 2098 222 1.1 104
Show 21420+0408 J 1790 95 2.3 105
Show 21408+0110 SLW1248 36 18.3 105
Show 21396+0431 HEI 822 359 1.2 109
Show 21372+0054 ARU 22 195 0.6 112
Show 21456+0251 BAL2056 269 8.1 115
Show 21315+0140 HJ 3031 250 28.1 116
Show 21421+0104 CHE 309 336 27.3 118
Show 21406+0051 SLW1247 225 162.8 121
Show 21421+0059 CHE 310 30 20.9 124
Show 21315+0122 ITF 88 31 8.4 128
Show 21359+0041 HJ 3039 153 11.3 128
Show 21318+0116 BAL1231 131 5.5 128
Show 21439+0419 NSN 6 339 3.8 130
Show 21376+0035 ARU 4 235 0.3 130
Show 21371+0033 LAW 28 Aa,Ab 122 0.2 133
Show 21371+0033 LAW 28 AB 322 18.8 133
Show 21324-0059 SLW1241 129 11.7 135
Show 21404+0034 SMA 151 124 4.5 135

 
 
WDS 21379+0245 : COMPONENTS
 
 
  A
B pa=114.6°
sep=5.60"
 
 
21379+0245 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213756.68+024439.2 Mag 13.3 Spectral class G7V (yellow)
PmRA 17.00 PmDE 2.0
 
 
21379+0245 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213757.02+024436.9 Mag 14.5 Spectral class K2V (yellow-orange)
PmRA 18.00 PmDE 3.0 Calc delta mag 1.2 Calc coord yes