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Current system
12438-2442
TDS 8506


Nearby doubles
18' : 12426-2437
HJ 4542

33' : 12459-2425
HJ 4549

33' : 12434-2514
I 908AB

34' : 12434-2409
NSN 102

35' : 12429-2514
UC 2389

39' : 12427-2518
KPP 921

60' : 12482-2448
HJ 4551

67' : 12485-2426
ARA2183

69' : 12443-2334
KPP2276

77' : 12393-2528
UC 2379

78' : 12413-2552
UC 2385

80' : 12401-2544
BRT2995

82' : 12453-2601
UC 2397

83' : 12444-2604
HU 1497

86' : 12487-2534
DON 558

86' : 12497-2515
B 233

88' : 12493-2527
DON 560

88' : 12446-2315
HDS1784

105' : 12506-2355
UC 2414

112' : 12520-2442
B 235

114' : 12457-2633
UC 2400AB

118' : 12506-2330
ARA1796

121' : 12478-2255
KPP3880

127' : 12527-2519
TDS8568

127' : 12406-2641
TVB 255

132' : 12342-2447
TDS8438



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

12438-2442 TDS 8506

 
 
12h 43m 49.67s -24° 41' 52.2" P.A. 72.00 sep 2.9 mag 11.12,11.92
 
 
Coord 2000 12438-2442 Discov num TDS8506 Comp Coord arcsec 2000 12 43 49.67 -24 41 52.2
Date first 1991 Date last 1991 Obs 1
Pa first 72 Pa last 71.8 P.A. Now (θ) 71.8°
Sep first 2.9 Sep last 2.85 Sep. Now (ρ) 2.85"
Mag pri 11.12 Mag sec 11.92 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -009 Sec motion ra -009
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra Tycho2 6688-00143-2 Gaia DR2 3500043173920470784
 
 
WDS 12438-2442 TDS 8506 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12438-2442 TDS8506 1991 1 72 2.9 11.12 11.92 124349.67-244152.2

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

 
 
WDS 12438-2442 TDS 8506 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12438-2442 TDS 8506 : MEASURES
 
 
No records found.

 
 
WDS 12438-2442 : VIRTUAL EYEPIECE
 
 

12438-2442 TDS8506A mag 11.12 12438-2442 TDS8506B sep 2.6 P.A. 70.10 mag 11.92 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 12438-2442 : ALADIN DSS IMAGE @ 12h 43m 49.67s -24° 41' 52.2"
 
 
 
 
WDS 12438-2442 TDS 8506 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12438-2442 TDS8506 distance=0' 12426-2437 HJ 4542 distance=18' 12434-2514 B 2739CD distance=33' 12459-2425 HJ 4549 distance=33' 12434-2514 I 908AB distance=33' 12434-2514 I 908AC distance=33' 12434-2409 NSN 102 distance=34' 12429-2514 UC 2389 distance=35' 12427-2518 KPP 921 distance=39' 12482-2448 HJ 4551 distance=60' 12485-2426 ARA2183 distance=67' 12443-2334 KPP2276 distance=69' 12393-2528 UC 2379 distance=77' 12413-2552 UC 2385 distance=78' 12401-2544 BRT2995 distance=80' 12453-2601 UC 2397 distance=82' 12444-2604 HU 1497 distance=83' 12487-2534 DON 558 distance=86' 12497-2515 B 233 distance=86' 12493-2527 DON 560 distance=88' 12446-2315 HDS1784 distance=88' 12506-2355 UC 2414 distance=105' 12520-2442 B 235 distance=112' 12457-2633 UC 2400AB distance=114' 12506-2330 ARA1796 distance=118' 12478-2255 KPP3880 distance=121' 12527-2519 TDS8568 distance=127' 12406-2641 TVB 255 distance=127' 12342-2447 TDS8438 distance=132' 12407-2650 B 2297 distance=135' 12351-2341 ARA2181 distance=135' 12417-2657 LDS4250 distance=138' 12444-2701 KPP2727 distance=139' 12494-2639 LDS4277 distance=139' 12414-2226 DAW 104 distance=140' 12541-2509 KPP 280 distance=144' 12375-2246 CVR 659 distance=145' 12333-2516 YSC 212 distance=147' 12384-2236 ARA1795 distance=148' 12504-2639 TDS8547 distance=148' 12333-2410 ARA2180 distance=148' 12417-2708 RST1684 distance=149' 12543-2532 DON 562 distance=151' 12527-2619 LDS4288 distance=154' 12338-2331 TOK 559 distance=155' 12383-2657 RST1681 distance=155' 12386-2704 BWL 32 distance=159' 12432-2722 B 2300 distance=161' 12530-2302 UC 2422 distance=162' 12340-2312 DON 537BC distance=162' 12340-2312 DON 537A,BC distance=162' 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 12438-2442 TDS8506 72 2.9
Show 12426-2437 HJ 4542 62 38.4 18
Show 12434-2514 B 2739 CD 295 7.7 33
Show 12459-2425 HJ 4549 87 12.0 33
Show 12434-2514 I 908 AB 154 3.5 33
Show 12434-2514 I 908 AC 21 39.8 33
Show 12434-2409 NSN 102 3 6.5 34
Show 12429-2514 UC 2389 50 17.6 35
Show 12427-2518 KPP 921 1 7.6 39
Show 12482-2448 HJ 4551 305 12.0 60
Show 12485-2426 ARA2183 222 8.0 67
Show 12443-2334 KPP2276 87 19.2 69
Show 12393-2528 UC 2379 112 10.7 77
Show 12413-2552 UC 2385 19 49.4 78
Show 12401-2544 BRT2995 7 4.8 80
Show 12453-2601 UC 2397 104 47.0 82
Show 12444-2604 HU 1497 326 1.6 83
Show 12487-2534 DON 558 279 4.9 86
Show 12497-2515 B 233 285 2.3 86
Show 12493-2527 DON 560 267 2.5 88
Show 12446-2315 HDS1784 45 0.5 88
Show 12506-2355 UC 2414 168 11.9 105
Show 12520-2442 B 235 63 2.7 112
Show 12457-2633 UC 2400 AB 14 7.9 114
Show 12506-2330 ARA1796 165 14.1 118
Show 12478-2255 KPP3880 128 1.9 121
Show 12527-2519 TDS8568 330 0.8 127
Show 12406-2641 TVB 255 259 12.9 127
Show 12342-2447 TDS8438 11 0.6 132
Show 12407-2650 B 2297 94 9.8 135
Show 12351-2341 ARA2181 10.8 135
Show 12417-2657 LDS4250 325 21.9 138
Show 12444-2701 KPP2727 180 8.6 139
Show 12494-2639 LDS4277 80 84.3 139
Show 12414-2226 DAW 104 271 3.1 140
Show 12541-2509 KPP 280 306 4.8 144
Show 12375-2246 CVR 659 312 12.8 145
Show 12333-2516 YSC 212 29 0.1 147
Show 12384-2236 ARA1795 63 11.0 148
Show 12504-2639 TDS8547 300 0.5 148
Show 12333-2410 ARA2180 276 6.3 148
Show 12417-2708 RST1684 209 0.4 149
Show 12543-2532 DON 562 237 1.7 151
Show 12527-2619 LDS4288 185 26.5 154
Show 12338-2331 TOK 559 166 999.9 155
Show 12383-2657 RST1681 56 1.6 155
Show 12386-2704 BWL 32 55 0.1 159
Show 12432-2722 B 2300 315 10.6 161
Show 12530-2302 UC 2422 335 18.3 162
Show 12340-2312 DON 537 BC 239 0.7 162
Show 12340-2312 DON 537 A,BC 77 15.2 162

 
 
WDS 12438-2442 : COMPONENTS
 
 
  A
B pa=70.1°
sep=2.62"
 
 
12438-2442 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 124349.67-244152.2 Mag 11.12 PmRA -9.00
PmDE -4.0 Tycho2 6688-00143-2
Tycho2
Tycho2 6688-00143-2 Pflag P RAmdeg 190.95714770 DEmdeg -24.69777021
PmRA -9.3 PmDE -3.9 E RAmdeg 93 E DEmdeg 111
E pmRA 3.3 E pmDE 3.2 EpRAm 1979.78 EpDEm 1971.53
Num 3 Q RAmdeg 2.1 Q DEmdeg 1.1 Q pmRA 2.1
Q pmDE 1.1 BTmag 11.803 E BTmag 0.107 VTmag 11.121
E VTmag 0.101 Prox 29 TYC HIP
CCDM RAdeg 190.95696639 DEdeg -24.69782222 EpRA 1990 1.73
EpDE 1990 1.68 E RAdeg 57.8 E DEdeg 73.6 Posflg
Corr 0.0
 
 
12438-2442 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124349.85-244151.3 Mag 11.92 PmRA -9.00
PmDE -4.0 Tycho2 6688-00143-1 Calc delta mag 0.8 Calc coord yes
Tycho2
Tycho2 6688-00143-1 Pflag P RAmdeg 190.95714770 DEmdeg -24.69777021
PmRA -9.3 PmDE -3.9 E RAmdeg 93 E DEmdeg 111
E pmRA 3.3 E pmDE 3.2 EpRAm 1979.78 EpDEm 1971.53
Num 3 Q RAmdeg 2.1 Q DEmdeg 1.1 Q pmRA 2.1
Q pmDE 1.1 BTmag 12.567 E BTmag 0.280 VTmag 11.919
E VTmag 0.220 Prox 29 TYC T HIP
CCDM RAdeg 190.95779500 DEdeg -24.69757528 EpRA 1990 1.73
EpDE 1990 1.69 E RAdeg 101.4 E DEdeg 127.6 Posflg
Corr 0.0