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Doubles in session


Current system
08421-0441
TDS 489


Nearby doubles
19' : 08411-0430
GWP1066

27' : 08434-0500
RST4419

39' : 08406-0410
RST4416

42' : 08441-0412
A 552

49' : 08405-0359
KPP2716

50' : 08453-0432
GWP1076

55' : 08457-0446
HJ 2465

64' : 08407-0542
A 340

84' : 08374-0400
GWP1051

85' : 08425-0317
CVR1161

85' : 08386-0548
HJ 2461

87' : 08442-0602
TVB 198

95' : 08392-0317
GWP1060

97' : 08365-0353
DAM1423

99' : 08364-0352
RST4412AB

101' : 08447-0309
RST4420

107' : 08490-0507
J 383

109' : 08492-0419
TVB 203

110' : 08491-0514
HJ 2468

113' : 08361-0334
LDS6217AB

115' : 08344-0443
BRT 421

121' : 08430-0242
HO 355

122' : 08404-0641
GWP1063

124' : 08405-0239
J 3289

124' : 08339-0430
TVB 195

124' : 08504-0440
GWP1091



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

08421-0441 TDS 489

 
 
08h 42m 04.80s -04° 41' 18.3" P.A. 347.00 sep 2.4 mag 11.28,11.30
 
 
Coord 2000 08421-0441 Discov num TDS 489 Comp Coord arcsec 2000 08 42 04.80 -04 41 18.3
Date first 1991 Date last 1991 Obs 1
Pa first 347 Pa last 346.8 P.A. Now (θ) 346.8°
Sep first 2.4 Sep last 2.383 Sep. Now (ρ) 2.383"
Mag pri 11.28 Mag sec 11.30 delta mag (ΔM) 0.02 Spectral class
Pri motion ra Sec motion ra -004
Pri motion dec Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra Tycho2 4871-00443-2 Gaia DR2 5761575104324567808
 
 
WDS 08421-0441 TDS 489 : 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
08421-0441 TDS 489 1991 1 347 2.4 11.28 11.30 084204.80-044118.3

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

 
 
WDS 08421-0441 TDS 489 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08421-0441 TDS 489 : MEASURES
 
 
No records found.

 
 
WDS 08421-0441 : VIRTUAL EYEPIECE
 
 

08421-0441 TDS 489A mag 11.28 08421-0441 TDS 489B sep 2.4 P.A. 346.80 mag 11.3 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 08421-0441 : ALADIN DSS IMAGE @ 08h 42m 04.80s -04° 41' 18.3"
 
 
 
 
WDS 08421-0441 TDS 489 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08421-0441 TDS 489 distance=0' 08411-0430 GWP1066 distance=19' 08434-0500 RST4419 distance=27' 08406-0410 RST4416 distance=39' 08441-0412 A 552 distance=42' 08405-0359 KPP2716 distance=49' 08453-0432 GWP1076 distance=50' 08457-0446 HJ 2465 distance=55' 08407-0542 A 340 distance=64' 08374-0400 GWP1051 distance=84' 08425-0317 CVR1161 distance=85' 08386-0548 HJ 2461 distance=85' 08442-0602 TVB 198 distance=87' 08392-0317 GWP1060 distance=95' 08365-0353 DAM1423 distance=97' 08364-0352 RST4412AB distance=99' 08364-0352 RST4412AC distance=99' 08447-0309 RST4420 distance=101' 08490-0507 J 383 distance=107' 08492-0419 TVB 203 distance=109' 08491-0514 HJ 2468 distance=110' 08361-0334 LDS6217AB distance=113' 08361-0334 LDS6217AC distance=113' 08344-0443 BRT 421 distance=115' 08430-0242 HO 355 distance=121' 08404-0641 GWP1063 distance=122' 08405-0239 J 3289 distance=124' 08339-0430 TVB 195 distance=124' 08504-0440 GWP1091 distance=124' 08449-0637 JNN 63 distance=124' 08386-0249 GWP1056 distance=124' 08474-0306 RST4422 distance=125' 08364-0306 RST4413 distance=127' 08436-0237 J 1530 distance=127' 08506-0442 UC 1719 distance=128' 08504-0412 HJ 107 distance=129' 08374-0628 A 339 distance=129' 08508-0510 J 1534 distance=131' 08494-0327 HUB 9 distance=133' 08453-0236 STF1270 distance=135' 08459-0643 HJ 796 distance=135' 08411-0227 CVR1160 distance=136' 08389-0651 RST4414 distance=138' 08460-0232 ITF 97 distance=142' 08379-0648 HJ 99AB distance=142' 08379-0648 JNN 237AD distance=142' 08488-0622 UC 1715 distance=143' 08500-0322 GWP1090 distance=143' 08379-0648 HJ 99BC distance=143' 08459-0230 ITF 98 distance=144' 08504-0328 KPP2969 distance=145' 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 08421-0441 TDS 489 347 2.4
Show 08411-0430 GWP1066 191 431.8 19
Show 08434-0500 RST4419 303 1.3 27
Show 08406-0410 RST4416 333 2.1 39
Show 08441-0412 A 552 35 0.2 42
Show 08405-0359 KPP2716 215 7.2 49
Show 08453-0432 GWP1076 162 6.8 50
Show 08457-0446 HJ 2465 99 15.7 55
Show 08407-0542 A 340 301 2.7 64
Show 08374-0400 GWP1051 83 182.6 84
Show 08425-0317 CVR1161 167 4.0 85
Show 08386-0548 HJ 2461 95 19.0 85
Show 08442-0602 TVB 198 43 3.7 87
Show 08392-0317 GWP1060 16 10.0 95
Show 08365-0353 DAM1423 40 3.5 97
Show 08364-0352 RST4412 AB 251 2.2 99
Show 08364-0352 RST4412 AC 5.2 99
Show 08447-0309 RST4420 295 1.2 101
Show 08490-0507 J 383 320 3.5 107
Show 08492-0419 TVB 203 110 7.6 109
Show 08491-0514 HJ 2468 345 23.8 110
Show 08361-0334 LDS6217 AB 112 25.9 113
Show 08361-0334 LDS6217 AC 55 3.4 113
Show 08344-0443 BRT 421 190 5.1 115
Show 08430-0242 HO 355 152 0.8 121
Show 08404-0641 GWP1063 143 9.5 122
Show 08405-0239 J 3289 94 4.2 124
Show 08339-0430 TVB 195 89 20.0 124
Show 08504-0440 GWP1091 173 99.4 124
Show 08449-0637 JNN 63 23 0.3 124
Show 08386-0249 GWP1056 91 707.7 124
Show 08474-0306 RST4422 152 2.5 125
Show 08364-0306 RST4413 275 2.6 127
Show 08436-0237 J 1530 303 12.3 127
Show 08506-0442 UC 1719 249 55.0 128
Show 08504-0412 HJ 107 24 33.5 129
Show 08374-0628 A 339 13 2.4 129
Show 08508-0510 J 1534 120 8.4 131
Show 08494-0327 HUB 9 170 1.3 133
Show 08453-0236 STF1270 265 4.7 135
Show 08459-0643 HJ 796 123 22.5 135
Show 08411-0227 CVR1160 182 3.1 136
Show 08389-0651 RST4414 91 7.9 138
Show 08460-0232 ITF 97 350 4.5 142
Show 08379-0648 HJ 99 AB 175 60.5 142
Show 08379-0648 JNN 237 AD 39 6.7 142
Show 08488-0622 UC 1715 289 8.3 143
Show 08500-0322 GWP1090 45 18.6 143
Show 08379-0648 HJ 99 BC 216 9.7 143
Show 08459-0230 ITF 98 114 21.9 144
Show 08504-0328 KPP2969 125 2.1 145

 
 
WDS 08421-0441 : COMPONENTS
 
 
  A
B pa=346.8°
sep=2.38"
 
 
08421-0441 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 084204.80-044118.3 Mag 11.28
 
 
08421-0441 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084204.76-044116.0 Mag 11.3 PmRA -4.00
PmDE -1.0 Tycho2 4871-00443-1 Calc delta mag 0.02 Calc coord yes
Tycho2
Tycho2 4871-00443-1 Pflag RAmdeg 130.51982086 DEmdeg -4.68776977
PmRA -3.6 PmDE -1.3 E RAmdeg 53 E DEmdeg 56
E pmRA 2.3 E pmDE 2.5 EpRAm 1985.86 EpDEm 1985.70
Num 3 Q RAmdeg 0.4 Q DEmdeg 1.1 Q pmRA 0.4
Q pmDE 1.1 BTmag 11.792 E BTmag 0.086 VTmag 11.298
E VTmag 0.098 Prox 24 TYC T HIP
CCDM RAdeg 130.51982917 DEdeg -4.68776639 EpRA 1990 1.64
EpDE 1990 1.40 E RAdeg 54.7 E DEdeg 58.4 Posflg D
Corr 0.3