stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20458-4920
HDS 2956


Nearby doubles
14' : 20469-4929
CBL 180

47' : 20433-4959
UC 4269

64' : 20421-4825
SKF1167

65' : 20403-4956
KRW 2

70' : 20450-5029
I 17AB

75' : 20534-4923
SHY 784AB

75' : 20533-4906
TDT2608

84' : 20381-4846
UC 4241

88' : 20546-4938
TOK 680AB

89' : 20529-4826
CPO9297

90' : 20516-5030
KPP 479

93' : 20380-4828
WSP 88

94' : 20385-4821
BRT1113

94' : 20485-4750
TDT2554

106' : 20455-5105
HU 1618

107' : 20402-4749
UC 4252

112' : 20469-4730
UC 4285

115' : 20354-5014
WOR9002AB

116' : 20568-4840
HU 1332

119' : 20358-4815
BRT1112

124' : 20413-4725
CPO 617

125' : 20331-4932
UC 4215

126' : 20403-5114
HU 1617

131' : 20327-4949
TSN 34

131' : 20343-4816
I 1423AB

136' : 20539-5111
CPO 618



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.

20458-4920 HDS 2956

 
 
20h 45m 49.92s -49° 20' 09.2" P.A. 294.00 sep 12.8 mag 10.87,13.66 Sp F8 dist. 80.13 pc (261.38 l.y.)
 
 
Coord 2000 20458-4920 Discov num HDS2956 Comp Coord arcsec 2000 20 45 49.92 -49 20 09.2
Date first 1991 Date last 2015 Obs 8
Pa first 288 Pa last 293.9 P.A. Now (θ) 293.9°
Sep first 11.8 Sep last 12.798 Sep. Now (ρ) 12.798"
Mag pri 10.87 Mag sec 13.66 delta mag (ΔM) 2.79 Spectral class F8 (yellow-white)
Pri motion ra +033 Sec motion ra +132
Pri motion dec -079 Sec motion dec -071
Notes
rPM=0.663
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Indus HIP 102467 Tycho2 8415-00109-1 Gaia DR2 6481124654897031040
CD CD-4913215 CP CP-4911301 Distance 80.13 Distance ly 261.38
 
 
WDS 20458-4920 HDS 2956 : 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
20458-4920 HDS2956 1999 5 289 12.2 10.87 13.66 F8 D 204549.92-492009.2
20458-4920 HDS2956 2010 7 290 11.8 10.87 13.66 F8 204549.92-492009.2
20458-4920 HDS2956 2015 8 294 12.8 10.87 13.66 F8 204549.92-492009.2

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

 
 
WDS 20458-4920 HDS 2956 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20458-4920 HDS 2956 : MEASURES
 
 
No records found.

 
 
WDS 20458-4920 : VIRTUAL EYEPIECE
 
 

20458-4920 HDS2956A mag 10.87 Sp F8 20458-4920 HDS2956B sep 9.2 P.A. 304.20 mag 13.66 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 20458-4920 : ALADIN DSS IMAGE @ 20h 45m 49.92s -49° 20' 09.2"
 
 
 
 
WDS 20458-4920 HDS 2956 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20458-4920 HDS2956 distance=0' 20469-4929 CBL 180 distance=14' 20433-4959 UC 4269 distance=47' 20421-4825 SKF1167 distance=64' 20403-4956 KRW 2 distance=65' 20450-5029 I 17AB distance=70' 20450-5029 DUN 235AC distance=70' 20534-4923 SHY 784AB distance=75' 20533-4906 TDT2608 distance=75' 20534-4923 SHY 784BC distance=79' 20381-4846 UC 4241 distance=84' 20546-4938 TOK 680AB distance=88' 20546-4938 TOK 680AC distance=88' 20529-4826 CPO9297 distance=89' 20516-5030 KPP 479 distance=90' 20380-4828 WSP 88 distance=93' 20385-4821 BRT1113 distance=94' 20485-4750 TDT2554 distance=94' 20455-5105 HU 1618 distance=106' 20402-4749 UC 4252 distance=107' 20469-4730 UC 4285 distance=112' 20354-5014 LDS 714AC distance=115' 20354-5014 WOR9002AB distance=115' 20568-4840 HU 1332 distance=116' 20358-4815 BRT1112 distance=119' 20413-4725 CPO 617 distance=124' 20331-4932 UC 4215 distance=125' 20403-5114 HU 1617 distance=126' 20327-4949 TSN 34 distance=131' 20343-4816 I 1423AB distance=131' 20343-4816 TOI2244AC distance=131' 20539-5111 CPO 618 distance=136' 20358-4747 I 665 distance=137' 21004-5003 UC 4358 distance=148' 20376-4717 HJ 5209AB (Al nair) distance=148' 20376-4717 HJ 5209AC (Al nair) distance=148' 20315-5012 B 488 distance=149' 20525-5136 ALD 94 distance=150' 20436-5148 I 128 distance=150' 20351-5109 HDS2941 distance=150' 21011-4907 SKF 765 distance=151' 20591-4806 RST3273 distance=152' 20495-4649 HU 1331 distance=156' 20459-4640 RST2156 distance=161' 20465-4639 LDS 721 distance=162' 21014-5019 SKF 379 distance=162' 20511-5154 SHN 248 distance=162' 20485-5200 B 1388 distance=162' 20596-4746 I 1431 distance=167' 20321-4742 I 1087AB distance=168' 20321-4742 TOK 628AC distance=168' 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 20458-4920 HDS2956 294 12.8
Show 20469-4929 CBL 180 198 27.9 14
Show 20433-4959 UC 4269 85 20.3 47
Show 20421-4825 SKF1167 253 84.3 64
Show 20403-4956 KRW 2 62 20.5 65
Show 20450-5029 I 17 AB 32 1.2 70
Show 20450-5029 DUN 235 AC 122 125.4 70
Show 20534-4923 SHY 784 AB 134 348.4 75
Show 20533-4906 TDT2608 172 1.1 75
Show 20534-4923 SHY 784 BC 147 2.8 79
Show 20381-4846 UC 4241 189 44.7 84
Show 20546-4938 TOK 680 AB 271 5.3 88
Show 20546-4938 TOK 680 AC 333 7.0 88
Show 20529-4826 CPO9297 304 3.4 89
Show 20516-5030 KPP 479 347 4.9 90
Show 20380-4828 WSP 88 147 16.3 93
Show 20385-4821 BRT1113 211 4.6 94
Show 20485-4750 TDT2554 162 2.3 94
Show 20455-5105 HU 1618 240 1.0 106
Show 20402-4749 UC 4252 317 5.7 107
Show 20469-4730 UC 4285 90 20.0 112
Show 20354-5014 LDS 714 AC 238 100.3 115
Show 20354-5014 WOR9002 AB 273 1.1 115
Show 20568-4840 HU 1332 85 3.7 116
Show 20358-4815 BRT1112 145 4.8 119
Show 20413-4725 CPO 617 165 4.8 124
Show 20331-4932 UC 4215 113 41.9 125
Show 20403-5114 HU 1617 279 0.2 126
Show 20327-4949 TSN 34 213 8.7 131
Show 20343-4816 I 1423 AB 50 1.5 131
Show 20343-4816 TOI2244 AC 307 20.3 131
Show 20539-5111 CPO 618 315 6.1 136
Show 20358-4747 I 665 304 2.9 137
Show 21004-5003 UC 4358 261 11.1 148
Show Al nair 20376-4717 HJ 5209 AB 206 69.2 148
Show Al nair 20376-4717 HJ 5209 AC 336 57.5 148
Show 20315-5012 B 488 78 1.7 149
Show 20525-5136 ALD 94 304 1.7 150
Show 20436-5148 I 128 328 3.6 150
Show 20351-5109 HDS2941 268 5.1 150
Show 21011-4907 SKF 765 340 64.3 151
Show 20591-4806 RST3273 49 1.0 152
Show 20495-4649 HU 1331 194 0.9 156
Show 20459-4640 RST2156 245 0.6 161
Show 20465-4639 LDS 721 215 6.7 162
Show 21014-5019 SKF 379 158 12.9 162
Show 20511-5154 SHN 248 344 1.3 162
Show 20485-5200 B 1388 327 5.4 162
Show 20596-4746 I 1431 0.5 167
Show 20321-4742 I 1087 AB 95 3.5 168
Show 20321-4742 TOK 628 AC 120 999.9 168

 
 
WDS 20458-4920 : COMPONENTS
 
 
  A
B pa=304.2°
sep=9.22"
 
 
20458-4920 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204549.92-492009.2 Mag 10.87 Spectral class F8 (yellow-white)
PmRA 33.00 PmDE -79.0 HIP 102467 Tycho2 8415-00109-1
CD CD-4913215 CP CP-4911301
Tycho2
Tycho2 8415-00109-1 Pflag RAmdeg 311.45799551 DEmdeg -49.33588619
PmRA 32.4 PmDE -81.8 E RAmdeg 36 E DEmdeg 51
E pmRA 2.1 E pmDE 2.0 EpRAm 1988.39 EpDEm 1983.97
Num 3 Q RAmdeg 2.1 Q DEmdeg 0.6 Q pmRA 2.1
Q pmDE 0.6 BTmag 11.372 E BTmag 0.074 VTmag 10.870
E VTmag 0.075 Prox 119 TYC T HIP 102467
CCDM A RAdeg 311.45788278 DEdeg -49.33569861 EpRA 1990 1.83
EpDE 1990 1.75 E RAdeg 37.1 E DEdeg 53.2 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102467 Proxy RAhms 20 45 49.88
DEdms -49 20 08.5 Vmag 10.83 VarFlag R Vmag G
RAdeg 311.458 DEdeg -49.3357 AstroRef A Plx 2.13
CCDM 20458-4920 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD BD
CD CD-4913215 CP CP-4911301 Dm number -4913215 VIred 0.68
SpType F8 R SpType Coord arcsec 2000 204549.88-492008.5
Hipparcos 2
HIP 102467 Sn 95 So 3 Nc 1
RArad 5.4359647037 DErad -0.8610702536 Plx 12.48 PmRA 40.47
PmDE -79.08 E RArad 3.33 E DErad 2.44 E Plx 3.75
E pmRA 3.9 E pmDE 2.13 Hpmag 10.9885 E Hpmag 0.0186
SHp 0.05 VA 0 BV 0.61 E BV 0.02
VI 0.68
CCDM
Ccdm 20458-4920 RComp Comp A Note1
Note2 Discov num DRAs 1.90 DDEs -7.4
R dRAs 40 Year Theta Rho
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number -4913215 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 20387S4942A
HIC 102467
 
 
20458-4920 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204549.14-492004.0 Mag 13.66 PmRA 132.00
PmDE -71.0 HIP 102465 Calc delta mag 2.79 Calc coord yes
Hipparcos
Catalog H HIP 102465 Proxy RAhms 20 45 48.73
DEdms -49 20 05.0 Vmag 13.51 VarFlag R Vmag H
RAdeg 311.453 DEdeg -49.3347 AstroRef B Plx -2.2
CCDM 20458-4920 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.74
SpType R SpType Coord arcsec 2000 204548.73-492005.0
Hipparcos 2
HIP 102465 Sn 95 So 3 Nc 1
RArad 5.43588119 DErad -0.8610531702 Plx 13.18 PmRA 30.12
PmDE -81.21 E RArad 7.34 E DErad 5.29 E Plx 8.24
E pmRA 8.32 E pmDE 4.6 Hpmag 13.665 E Hpmag 0.2045
SHp 0 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 20458-4920 RComp Comp B Note1
Note2 Discov num RSU DRAs 0.70 DDEs -4.7
R dRAs 40 Year 1975 Theta 283 Rho 12.1
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 20387S4942B
HIC 102465