stampa
Login

Never registered to Stelle Doppie? It's like a Ferrari without wheels. Register now to releveal the full potential!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20484-5431
HDS 2964


Nearby doubles
17' : 20491-5415
UC 4299

18' : 20492-5447
NSN 451

49' : 20453-5511
B 499

64' : 20420-5400
WIS 341

75' : 20457-5542
TVB 316

78' : 20458-5317
UC 4283

80' : 20539-5535
B 505

81' : 20428-5535
TDT2492

94' : 20379-5449
B 495

100' : 20598-5437
LDS 730

107' : 20559-5555
HJ 5232

109' : 20492-5242
UC 4300AB

110' : 20408-5559
HDS2948

112' : 21005-5356
KPP3078

113' : 20496-5622
BRT2827

113' : 20590-5328
UC 4349

113' : 20596-5336
B 511

116' : 20508-5237
RST1077

116' : 20516-5623
HJ 5223

116' : 20596-5329
KPP 482

121' : 21000-5326
HDS2993

130' : 20363-5549
KPP3077

132' : 20500-5220
I 1428

133' : 21024-5525
BRT3187

135' : 20506-5218
HU 1623

138' : 20333-5352
HU 1532



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.

20484-5431 HDS 2964

 
 
20h 48m 25.11s -54° 30' 41.6" P.A. 79.00 sep 0.9 mag 12.41,11.59 Sp M0 dist. 116.69 pc (380.64 l.y.)
 
 
Coord 2000 20484-5431 Discov num HDS2964 Comp Coord arcsec 2000 20 48 25.11 -54 30 41.6
Date first 1991 Date last 2016 Obs 4
Pa first 89 Pa last 78.7 P.A. Now (θ) 78.7°
Sep first 0.8 Sep last 0.884 Sep. Now (ρ) 0.884"
Mag pri 12.41 Mag sec 11.59 delta mag (ΔM) 0.82 Spectral class M0 (red)
Pri motion ra +068 Sec motion ra
Pri motion dec -183 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Indus HIP 102682 Tycho2 8795-00607-1 Gaia DR2 6470297111064453760
Distance 116.69 Distance ly 380.64
 
 
WDS 20484-5431 HDS 2964 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos 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
20484-5431 HDS2964 1991 2 94 1.1 12.41 11.59 M0 204825.11-543041.6
20484-5431 HDS2964 2014 3 79 0.9 12.41 11.59 M0 204825.11-543041.6
20484-5431 HDS2964 2016 4 79 0.9 12.41 11.59 M0 204825.11-543041.6

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

 
 
WDS 20484-5431 HDS 2964 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20484-5431 HDS 2964 : MEASURES
 
 
No records found.

 
 
WDS 20484-5431 : VIRTUAL EYEPIECE
 
 

20484-5431 HDS2964A mag 12.41 Sp M0 20484-5431 HDS2964B sep 0.5 P.A. 71.00 mag 11.59 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 20484-5431 : ALADIN DSS IMAGE @ 20h 48m 25.11s -54° 30' 41.6"
 
 
 
 
WDS 20484-5431 HDS 2964 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20484-5431 HDS2964 distance=0' 20491-5415 UC 4299 distance=17' 20492-5447 NSN 451 distance=18' 20453-5511 B 499 distance=49' 20420-5400 WIS 341 distance=64' 20457-5542 TVB 316 distance=75' 20458-5317 UC 4283 distance=78' 20539-5535 B 505 distance=80' 20428-5535 TDT2492 distance=81' 20379-5449 B 495 distance=94' 20598-5437 LDS 730 distance=100' 20559-5555 HJ 5232 distance=107' 20492-5242 UC 4300AB distance=109' 20408-5559 HDS2948 distance=110' 21005-5356 KPP3078 distance=112' 20496-5622 BRT2827 distance=113' 20590-5328 UC 4349 distance=113' 20596-5336 B 511 distance=113' 20508-5237 RST1077 distance=116' 20516-5623 HJ 5223 distance=116' 20596-5329 KPP 482 distance=116' 21000-5326 HDS2993 distance=121' 20363-5549 KPP3077 distance=130' 20500-5220 I 1428 distance=132' 21024-5525 BRT3187 distance=133' 20506-5218 HU 1623 distance=135' 20333-5352 HU 1532 distance=138' 21042-5423 HDS3000 distance=139' 20594-5252 UC 4351 distance=139' 21042-5520 RST5552AB distance=145' 21042-5520 HJ 5239AB,C distance=145' 20485-5200 B 1388 distance=151' 20549-5207 ARY 78 distance=156' 20551-5207 I 18 distance=156' 20394-5216 UC 4245 distance=157' 20382-5223 TDT2440 distance=158' 20384-5221 RST1074AB distance=158' 20511-5154 SHN 248 distance=159' 20300-5427 UC 4202 distance=161' 21031-5246 RST1080 distance=168' 20436-5148 I 128 distance=169' 21069-5529 HJ 5241 distance=170' 20289-5441 B 484 distance=171' 20597-5211 I 669AB distance=173' 20597-5211 I 669AC distance=173' 21046-5621 RST1081 distance=177' 20284-5510 TDT2313 distance=177' 20561-5718 BRT2828 distance=180' 20525-5136 ALD 94 distance=180' 20327-5235 RST1072 distance=181' 20295-5554 KPP4201AB distance=183' 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 20484-5431 HDS2964 79 0.9
Show 20491-5415 UC 4299 316 20.1 17
Show 20492-5447 NSN 451 17 23.4 18
Show 20453-5511 B 499 51 3.5 49
Show 20420-5400 WIS 341 113 999.9 64
Show 20457-5542 TVB 316 165 3.1 75
Show 20458-5317 UC 4283 105 7.3 78
Show 20539-5535 B 505 108 0.1 80
Show 20428-5535 TDT2492 212 2.9 81
Show 20379-5449 B 495 190 1.7 94
Show 20598-5437 LDS 730 311 33.1 100
Show 20559-5555 HJ 5232 3 27.8 107
Show 20492-5242 UC 4300 AB 240 62.2 109
Show 20408-5559 HDS2948 214 0.9 110
Show 21005-5356 KPP3078 214 6.2 112
Show 20496-5622 BRT2827 114 4.5 113
Show 20590-5328 UC 4349 287 10.4 113
Show 20596-5336 B 511 167 1.3 113
Show 20508-5237 RST1077 193 1.2 116
Show 20516-5623 HJ 5223 110 9.0 116
Show 20596-5329 KPP 482 246 3.7 116
Show 21000-5326 HDS2993 235 0.1 121
Show 20363-5549 KPP3077 66 5.4 130
Show 20500-5220 I 1428 304 6.9 132
Show 21024-5525 BRT3187 212 5.1 133
Show 20506-5218 HU 1623 229 1.6 135
Show 20333-5352 HU 1532 269 0.6 138
Show 21042-5423 HDS3000 151 0.3 139
Show 20594-5252 UC 4351 301 6.4 139
Show 21042-5520 RST5552 AB 319 0.8 145
Show 21042-5520 HJ 5239 AB,C 213 12.7 145
Show 20485-5200 B 1388 327 5.4 151
Show 20549-5207 ARY 78 302 31.7 156
Show 20551-5207 I 18 359 4.0 156
Show 20394-5216 UC 4245 199 24.1 157
Show 20382-5223 TDT2440 228 1.8 158
Show 20384-5221 RST1074 AB 226 2.5 158
Show 20511-5154 SHN 248 344 1.3 159
Show 20300-5427 UC 4202 57 42.0 161
Show 21031-5246 RST1080 52 5.5 168
Show 20436-5148 I 128 328 3.6 169
Show 21069-5529 HJ 5241 40 12.6 170
Show 20289-5441 B 484 106 1.6 171
Show 20597-5211 I 669 AB 67 0.4 173
Show 20597-5211 I 669 AC 282 33.4 173
Show 21046-5621 RST1081 215 0.1 177
Show 20284-5510 TDT2313 28 1.3 177
Show 20561-5718 BRT2828 58 4.5 180
Show 20525-5136 ALD 94 304 1.7 180
Show 20327-5235 RST1072 322 2.8 181
Show 20295-5554 KPP4201 AB 196 3.4 183

 
 
WDS 20484-5431 : COMPONENTS
 
 
  A
B pa=71.0°
sep=0.53"
 
 
20484-5431 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204825.11-543041.6 Mag 12.41 Spectral class M0 (red)
PmRA 68.00 PmDE -183.0 HIP 102682
Hipparcos
Catalog H HIP 102682 Proxy H RAhms 20 48 25.05
DEdms -54 30 40.0 Vmag 11.9 VarFlag R Vmag G
RAdeg 312.104 DEdeg -54.5111 AstroRef A Plx 12.81
CCDM 20484-5431 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 89 Rho 0.813 HD BD
CD CP Dm number VIred 1.73
SpType M0 R SpType Coord arcsec 2000 204825.05-543040.0
Hipparcos 2
HIP 102682 Sn 15 So 3 Nc 2
RArad 5.4472487078 DErad -0.9513983761 Plx 8.57 PmRA 62.92
PmDE -181.11 E RArad 4.56 E DErad 2.76 E Plx 4.8
E pmRA 6.32 E pmDE 2.74 Hpmag 12.0382 E Hpmag 0.0083
SHp 0.066 VA 0 BV 1.36 E BV 0.015
VI 1.73
CCDM
Ccdm 20484-5431 RComp Comp A Note1
Note2 Discov num DRAs 1.12 DDEs 18.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 12.4 Sp M0 PmNote *
PmRA 68 PmDE -183 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102682
 
 
20484-5431 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204825.17-543041.4 Mag 11.59 Calc delta mag 0.82
Calc coord yes
CCDM
Ccdm 20484-5431 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.20 DDEs 18.4
R dRAs 82 Year 1991 Theta 89 Rho 0.8
Obs 1 Vmag 13.4 Sp PmNote *
PmRA 68 PmDE -183 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102682