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Doubles in session


Current system
16578+1317
HDS 2399


Nearby doubles
29' : 16598+1319
HU 1279

34' : 16575+1352
LDS4709

42' : 16584+1358
YSC 61

44' : 16583+1234
GRV 943

54' : 16567+1408
STT 318

66' : 16594+1419
STT 321

78' : 17015+1412
TDT 182

80' : 16596+1433
GWP2683AB

87' : 16574+1444
A 1142

88' : 17035+1345
TDT 192

88' : 17037+1336
STFA 33AB

95' : 16558+1445
LDS4704

97' : 17044+1330
BPM 674

104' : 17018+1442
CBL 161

105' : 16507+1259
BRT1284

108' : 17032+1431
NSN 686

112' : 16575+1508
BPM 672

112' : 16588+1127
UC 3267

112' : 16581+1509
STT 319

113' : 17051+1353
HDS2417

114' : 17016+1457
H 4 122

115' : 16563+1125
KPP3311

115' : 17024+1146
CVR 194

117' : 17054+1244
H 5 133

120' : 16496+1316
STF2103AB

130' : 17004+1113
GWP2685



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

16578+1317 HDS 2399

 
 
16h 57m 46.09s +13° 17' 29.2" P.A. 237.00 sep 0.2 mag 10.90,13.09 Sp M0 dist. 40.8 pc (133.09 l.y.)
 
 
Coord 2000 16578+1317 Discov num HDS2399 Comp Coord arcsec 2000 16 57 46.09 +13 17 29.2
Date first 1991 Date last 2021 Obs 12
Pa first 290 Pa last 237.1 P.A. Now (θ) 237.1°
Sep first 0.6 Sep last 0.211 Sep. Now (ρ) 0.211"
Mag pri 10.90 Mag sec 13.09 delta mag (ΔM) 2.19 Spectral class M0 (red)
Pri motion ra +047 Sec motion ra
Pri motion dec +072 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 83010 Tycho2 0987-00811-1 Gaia DR2 4449182460449707904
GL Gl 647 Distance 40.8 Distance ly 133.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)45.379y Periastron (T)2018.8y Semi-major axis (a)0.384a
Eccentricity (e)0.83 Inclination (i)29.6° Longitude of periastron (ω)100.7°
Node (Ω)14.1° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 302.2 0.606
2001 303.8 0.600
2002 305.4 0.593
2003 307.0 0.584
2004 308.7 0.573
2005 310.5 0.560
2006 312.4 0.545
2007 314.3 0.529
2008 316.4 0.510
2009 318.7 0.489
2010 321.2 0.465
2011 324.0 0.439
2012 327.1 0.409
2013 330.8 0.376
2014 335.3 0.338
2015 340.9 0.295
2016 348.8 0.245
2017 1.2 0.184
2018 29.2 0.108
2019 148.2 0.064
2020 212.7 0.138
2021 232.8 0.201
2022 243.9 0.253
2023 251.5 0.297
2024 257.1 0.337
2025 261.6 0.372
2026 265.4 0.403
2027 268.7 0.431
2028 271.6 0.457
2029 274.1 0.480
2030 276.5 0.501


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds16578%2B1317a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16578+1317 HDS 2399 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2018e orb - Tokovinin, A. 2018IAUDS.195....1T
Tok2018e Inf. Circ. 195, 1, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 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
16578+1317 HDS2399 1991 1 290 0.6 10.90 13.09 M0 165746.09+131729.2
16578+1317 HDS2399 2008 2 318 0.5 10.90 13.09 M0 D 165746.09+131729.2
16578+1317 HDS2399 2014 4 337 0.3 10.90 13.09 M0 165746.09+131729.2
16578+1317 HDS2399 2015 5 345 0.3 10.90 13.09 M0 165746.09+131729.2
16578+1317 HDS2399 2017 6 10 0.2 10.90 13.09 M0 165746.09+131729.2
16578+1317 HDS2399 2018 8 59 0.1 10.90 13.09 M0 O 165746.09+131729.2
16578+1317 HDS2399 2019 10 193 0.1 10.90 13.09 M0 O 165746.09+131729.2
16578+1317 HDS2399 2021 11 237 0.2 10.90 13.09 M0 O 165746.09+131729.2

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

 
 
WDS 16578+1317 HDS 2399 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16578+1317 HDS 2399 : MEASURES
 
 
No records found.

 
 
WDS 16578+1317 : VIRTUAL EYEPIECE
 
 

16578+1317 HDS2399A mag 10.9 Sp M0 16578+1317 HDS2399B sep 0.2 P.A. 236.40 mag 13.09 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 16578+1317 : ALADIN DSS IMAGE @ 16h 57m 46.09s +13° 17' 29.2"
 
 
 
 
WDS 16578+1317 HDS 2399 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16578+1317 HDS2399 distance=0' 16598+1319 HU 1279 distance=29' 16575+1352 LDS4709 distance=34' 16584+1358 YSC 61 distance=42' 16583+1234 GRV 943 distance=44' 16567+1408 STT 318 distance=54' 16594+1419 STT 321 distance=66' 17015+1412 TDT 182 distance=78' 16596+1433 GWP2683AB distance=80' 16596+1433 KPP4388AC distance=80' 16596+1433 KPP4388BC distance=81' 16574+1444 A 1142 distance=87' 17035+1345 TDT 192 distance=88' 17037+1336 STFA 33AB distance=88' 17037+1336 ARN 15AC distance=88' 17037+1336 STFA 33AD distance=88' 17037+1336 STFA 33DE distance=90' 17037+1336 STFA 33BD distance=92' 16558+1445 LDS4704 distance=95' 17044+1330 BPM 674 distance=97' 17018+1442 CBL 161 distance=104' 16507+1259 BRT1284 distance=105' 17032+1431 NSN 686 distance=108' 16575+1508 BPM 672 distance=112' 16588+1127 UC 3267 distance=112' 16581+1509 STT 319 distance=112' 17051+1353 HDS2417 distance=113' 17016+1457 H 4 122 distance=114' 16563+1125 KPP3311 distance=115' 17024+1146 CVR 194 distance=115' 17054+1244 H 5 133 distance=117' 16496+1316 STF2103AB distance=120' 16496+1316 STF2103AC distance=120' 16496+1316 STF2103AD distance=120' 17004+1113 GWP2685 distance=130' 16586+1527 TOK 177 distance=131' 16486+1353 BPM 670 distance=139' 16567+1539 HDS2395 distance=143' 16534+1525 HEI 69 distance=143' 16569+1540 HEI 71AB distance=144' 16569+1540 HEI 71AC distance=144' 17080+1322 MMA 39 distance=150' 17070+1213 AG 353 distance=150' 16475+1329 BPM 669 distance=151' 16512+1122 BPM 671 distance=151' 16557+1544 HEI 70 distance=151' 16570+1556 ZUC 14 distance=160' 16522+1535 HU 1278 distance=160' 16597+1558 GWP2684 distance=163' 16485+1450 KU 55 distance=164' 16581+1031 SKF 54 distance=167' 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 16578+1317 HDS2399 237 0.2
Show 16598+1319 HU 1279 156 1.8 29
Show 16575+1352 LDS4709 198 141.5 34
Show 16584+1358 YSC 61 223 0.5 42
Show 16583+1234 GRV 943 273 17.4 44
Show 16567+1408 STT 318 243 2.9 54
Show 16594+1419 STT 321 15 0.6 66
Show 17015+1412 TDT 182 159 0.5 78
Show 16596+1433 GWP2683 AB 82 43.6 80
Show 16596+1433 KPP4388 AC 83 41.9 80
Show 16596+1433 KPP4388 BC 232 1.9 81
Show 16574+1444 A 1142 309 2.1 87
Show 17035+1345 TDT 192 11 0.6 88
Show 17037+1336 STFA 33 AB 117 304.9 88
Show 17037+1336 ARN 15 AC 11 231.3 88
Show 17037+1336 STFA 33 AD 138 177.8 88
Show 17037+1336 STFA 33 DE 208 98.9 90
Show 17037+1336 STFA 33 BD 273 154.5 92
Show 16558+1445 LDS4704 317 17.9 95
Show 17044+1330 BPM 674 144 115.5 97
Show 17018+1442 CBL 161 12 19.3 104
Show 16507+1259 BRT1284 122 3.7 105
Show 17032+1431 NSN 686 65 4.1 108
Show 16575+1508 BPM 672 115 109.3 112
Show 16588+1127 UC 3267 104 8.7 112
Show 16581+1509 STT 319 65 0.8 112
Show 17051+1353 HDS2417 206 0.1 113
Show 17016+1457 H 4 122 238 18.9 114
Show 16563+1125 KPP3311 180 2.6 115
Show 17024+1146 CVR 194 196 8.7 115
Show 17054+1244 H 5 133 307 60.9 117
Show 16496+1316 STF2103 AB 43 4.9 120
Show 16496+1316 STF2103 AC 244 13.9 120
Show 16496+1316 STF2103 AD 137 40.4 120
Show 17004+1113 GWP2685 210 5.6 130
Show 16586+1527 TOK 177 66 13.7 131
Show 16486+1353 BPM 670 33 35.4 139
Show 16567+1539 HDS2395 40 0.0 143
Show 16534+1525 HEI 69 230 3.9 143
Show 16569+1540 HEI 71 AB 253 1.3 144
Show 16569+1540 HEI 71 AC 70 30.5 144
Show 17080+1322 MMA 39 272 15.4 150
Show 17070+1213 AG 353 248 9.6 150
Show 16475+1329 BPM 669 304 15.0 151
Show 16512+1122 BPM 671 89 33.8 151
Show 16557+1544 HEI 70 317 1.3 151
Show 16570+1556 ZUC 14 132 3.6 160
Show 16522+1535 HU 1278 358 1.3 160
Show 16597+1558 GWP2684 166 16.0 163
Show 16485+1450 KU 55 47 2.4 164
Show 16581+1031 SKF 54 197 2.5 167

 
 
WDS 16578+1317 : COMPONENTS
 
 
  A
B pa=236.4°
sep=0.21"
 
 
16578+1317 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 165746.09+131729.2 Mag 10.9 Spectral class M0 (red)
PmRA 47.00 PmDE 72.0 HIP 83010 Tycho2 0987-00811-1
Tycho2
Tycho2 0987-00811-1 Pflag RAmdeg 254.44213370 DEmdeg 13.29162890
PmRA 45.3 PmDE 77.8 E RAmdeg 34 E DEmdeg 38
E pmRA 1.9 E pmDE 1.9 EpRAm 1988.13 EpDEm 1987.05
Num 4 Q RAmdeg 1.8 Q DEmdeg 0.9 Q pmRA 1.8
Q pmDE 0.8 BTmag 12.390 E BTmag 0.133 VTmag 10.984
E VTmag 0.052 Prox 999 TYC T HIP 83010
CCDM AB RAdeg 254.44203694 DEdeg 13.29145250 EpRA 1990 1.69
EpDE 1990 1.69 E RAdeg 39.0 E DEdeg 41.5 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 83010 Proxy H RAhms 16 57 46.09
DEdms +13 17 29.2 Vmag 10.66 VarFlag R Vmag G
RAdeg 254.442 DEdeg 13.2914 AstroRef A Plx 26.23
CCDM 16578+1317 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 290 Rho 0.589 HD BD
CD CP Dm number VIred 1.58
SpType M0 R SpType Coord arcsec 2000 165746.09+131729.2
Hipparcos 2
HIP 83010 Sn 15 So 3 Nc 2
RArad 4.4408511871 DErad 0.2319795316 Plx 24.51 PmRA 46.09
PmDE 71.09 E RArad 1.36 E DErad 1.21 E Plx 2.27
E pmRA 1.93 E pmDE 1.49 Hpmag 10.7628 E Hpmag 0.0034
SHp 0.036 VA 0 BV 1.354 E BV 0.015
VI 1.58
CCDM
Ccdm 16578+1317 RComp Comp A Note1
Note2 Discov num DRAs -1.88 DDEs 29.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.9 Sp M0 PmNote *
PmRA 47 PmDE 72 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 83010
 
 
16578+1317 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 165746.08+131729.1 Mag 13.09 Calc delta mag 2.19
Calc coord yes
CCDM
Ccdm 16578+1317 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.92 DDEs 30.0
R dRAs 82 Year 1991 Theta 290 Rho 0.6
Obs 1 Vmag 13.1 Sp PmNote *
PmRA 47 PmDE 72 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 83010