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Doubles in session


Current system
21099-2424
HDS 3015
HD 201385


Nearby doubles
25' : 21092-2447
I 1435

52' : 21124-2501
KPP3119

52' : 21111-2336
TDT2810

52' : 21071-2500
SEE 439

63' : 21055-2445
HJ 3007

65' : 21062-2504
UC 4379

66' : 21145-2444
UC 4417

70' : 21136-2511
RST3278

75' : 21140-2513
BRT3098

81' : 21095-2304
DON1002

81' : 21116-2307
HJ 5251

83' : 21038-2419
SEE 436

85' : 21127-2539
KPP1612

85' : 21071-2309
UC 4383

92' : 21147-2321
TDT2854

100' : 21100-2603
SEE 440

101' : 21157-2526
RST3281

101' : 21147-2309
UC 4421

103' : 21104-2242
ARA2275

106' : 21078-2606
HTS 13

110' : 21125-2241
WHC 22AB

110' : 21060-2248
UC 4378

113' : 21148-2555
HJ 3014

116' : 21013-2419
RST3277

117' : 21182-2355
HJ 3018

127' : 21111-2219
ARA1939



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.

21099-2424 HDS 3015 (HD 201385)

 
 
21h 09m 51.57s -24° 24' 02.7" P.A. 305.00 sep 0.0 mag 8.71,9.34 Sp G5V dist. 52.25 pc (170.44 l.y.)
 
 
Coord 2000 21099-2424 Discov num HDS3015 Comp Coord arcsec 2000 21 09 51.57 -24 24 02.7
Date first 1991 Date last 2021 Obs 17
Pa first 122 Pa last 305.2 P.A. Now (θ) 97.1°
Sep first 0.1 Sep last 0.036 Sep. Now (ρ) 0.072"
Mag pri 8.71 Mag sec 9.34 delta mag (ΔM) 0.63 Spectral class G5V (yellow)
Pri motion ra -003 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 201385 Constellation Capricornus SAO 190074 HIP 104476
Tycho2 6928-00128-1 Gaia DR2 6804022495232526976 HD 201385 CD CD-2416499
CP CP-24 7169 Distance 52.25 Distance ly 170.44
 
 
ORBITAL ELEMENTS
 
 
Period (P)6.88y± 0.12 Periastron (T)2014.99y± 0.18 Semi-major axis (a)0.0882a± 0.004
Eccentricity (e)0.566± 0.032 Inclination (i)66°± 2 Longitude of periastron (ω)13.7°± 12.2
Node (Ω)296.3°± 4.5 Notes ReferenceTok2017b
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 156.1 0.054
2001 280.7 0.037
2002 82.0 0.045
2003 108.0 0.108
2004 117.0 0.134
2005 124.5 0.131
2006 134.5 0.100
2007 162.7 0.046
2008 291.8 0.039
2009 88.8 0.054
2010 109.3 0.113
2011 117.9 0.135
2012 125.5 0.128
2013 136.2 0.095
2014 171.6 0.040
2015 302.9 0.037
2016 93.5 0.063
2017 110.6 0.117
2018 118.8 0.136
2019 126.5 0.126
2020 138.2 0.089
2021 184.1 0.033
2022 316.8 0.032
2023 97.1 0.072
2024 111.7 0.121
2025 119.7 0.136
2026 127.6 0.123
2027 140.4 0.083
2028 201.2 0.029
2029 337.9 0.025
2030 99.9 0.080


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


 
  


wds21099-2424e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21099-2424 HDS 3015 (HD 201385) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2017b orb j Tokovinin, A. 2017AJ....154..110T
Tok2017b AJ 154, 110, 2017
 
 
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
21099-2424 HDS3015 1991 1 122 0.1 8.71 9.34 G5V 210951.57-242402.7
21099-2424 HDS3015 2013 4 156 0.1 8.71 9.34 G5V 210951.57-242402.7
21099-2424 HDS3015 2015 6 79 0.0 8.71 9.34 G5V 210951.57-242402.7
21099-2424 HDS3015 2017 9 115 0.1 8.71 9.34 G5V 210951.57-242402.7
21099-2424 HDS3015 2018 11 125 0.1 8.71 9.34 G5V O 210951.57-242402.7
21099-2424 HDS3015 2019 12 133 0.1 8.71 9.34 G5V O 210951.57-242402.7
21099-2424 HDS3015 2020 13 185 0.0 8.71 9.34 G5V O 210951.57-242402.7
21099-2424 HDS3015 2021 17 305 0.0 8.71 9.34 G5V O 210951.57-242402.7

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

 
 
WDS 21099-2424 HDS 3015 (HD 201385) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21099-2424 HDS 3015 (HD 201385) : MEASURES
 
 
No records found.

 
 
WDS 21099-2424 (HD 201385) : VIRTUAL EYEPIECE
 
 

21099-2424 HDS3015A mag 8.71 Sp G5V 21099-2424 HDS3015B mag 9.34 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 21099-2424 (HD 201385) : ALADIN DSS IMAGE @ 21h 09m 51.57s -24° 24' 02.7"
 
 
 
 
WDS 21099-2424 HDS 3015 (HD 201385) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21099-2424 HDS3015 distance=0' 21092-2447 I 1435 distance=25' 21124-2501 KPP3119 distance=52' 21111-2336 TDT2810 distance=52' 21071-2500 SEE 439 distance=52' 21055-2445 HJ 3007 distance=63' 21062-2504 UC 4379 distance=65' 21145-2444 UC 4417 distance=66' 21136-2511 RST3278 distance=70' 21140-2513 BRT3098 distance=75' 21095-2304 DON1002 distance=81' 21116-2307 HJ 5251 distance=81' 21038-2419 SEE 436 distance=83' 21127-2539 KPP1612 distance=85' 21071-2309 UC 4383 distance=85' 21147-2321 TDT2854 distance=92' 21100-2603 SEE 440 distance=100' 21157-2526 RST3281 distance=101' 21147-2309 UC 4421 distance=101' 21104-2242 ARA2275 distance=103' 21078-2606 HTS 13 distance=106' 21125-2241 WHC 22AB distance=110' 21125-2241 TOB 358AC distance=110' 21125-2241 TOB 358CD distance=110' 21060-2248 UC 4378 distance=110' 21148-2555 HJ 3014 distance=113' 21013-2419 RST3277 distance=116' 21182-2355 HJ 3018 distance=117' 21111-2219 ARA1939 distance=127' 21187-2348 RSS 559 distance=127' 21113-2632 TDT2811 distance=130' 21002-2427 LDS6350 distance=132' 21159-2240 BRT1567 distance=134' 21167-2249 B 522 distance=134' 21005-2343 RST3276 distance=135' 21195-2346 SEE 444 distance=138' 21173-2601 UC 4428 distance=141' 21179-2555 RST1086 distance=143' 21148-2218 LDS4873 distance=143' 21175-2246 BRT3101 distance=144' 21022-2246 B 515 distance=144' 21065-2642 TOI 172 distance=145' 21125-2649 UC 4402 distance=149' 21075-2159 DON1001 distance=150' 21140-2650 RST2174 distance=157' 21045-2644 B 2490 distance=158' 21215-2442 SEE 441AB distance=160' 21215-2442 SEE 441AC distance=160' 21218-2409 KPP 492 distance=165' 21105-2711 BRG 32 distance=168' 21213-2324 B 524 distance=169' 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 21099-2424 HDS3015 305 0.0
Show 21092-2447 I 1435 45 0.4 25
Show 21124-2501 KPP3119 6 6.5 52
Show 21111-2336 TDT2810 298 0.5 52
Show 21071-2500 SEE 439 185 26.1 52
Show 21055-2445 HJ 3007 241 4.3 63
Show 21062-2504 UC 4379 202 21.5 65
Show 21145-2444 UC 4417 54 10.0 66
Show 21136-2511 RST3278 239 0.6 70
Show 21140-2513 BRT3098 162 4.5 75
Show 21095-2304 DON1002 324 3.4 81
Show 21116-2307 HJ 5251 304 8.9 81
Show 21038-2419 SEE 436 99 0.2 83
Show 21127-2539 KPP1612 181 12.3 85
Show 21071-2309 UC 4383 356 75.7 85
Show 21147-2321 TDT2854 101 0.5 92
Show 21100-2603 SEE 440 38 9.1 100
Show 21157-2526 RST3281 112 3.1 101
Show 21147-2309 UC 4421 297 75.8 101
Show 21104-2242 ARA2275 36 9.5 103
Show 21078-2606 HTS 13 144 17.5 106
Show 21125-2241 WHC 22 AB 170 6.7 110
Show 21125-2241 TOB 358 AC 314 37.1 110
Show 21125-2241 TOB 358 CD 12 3.8 110
Show 21060-2248 UC 4378 282 35.0 110
Show 21148-2555 HJ 3014 301 2.1 113
Show 21013-2419 RST3277 24 0.7 116
Show 21182-2355 HJ 3018 350 14.7 117
Show 21111-2219 ARA1939 275 14.7 127
Show 21187-2348 RSS 559 354 20.7 127
Show 21113-2632 TDT2811 96 0.7 130
Show 21002-2427 LDS6350 51 6.6 132
Show 21159-2240 BRT1567 101 3.6 134
Show 21167-2249 B 522 289 0.6 134
Show 21005-2343 RST3276 282 0.2 135
Show 21195-2346 SEE 444 260 9.0 138
Show 21173-2601 UC 4428 18 69.6 141
Show 21179-2555 RST1086 162 0.4 143
Show 21148-2218 LDS4873 304 134.8 143
Show 21175-2246 BRT3101 238 3.0 144
Show 21022-2246 B 515 173 1.6 144
Show 21065-2642 TOI 172 322 1.3 145
Show 21125-2649 UC 4402 325 36.0 149
Show 21075-2159 DON1001 270 5.7 150
Show 21140-2650 RST2174 11 0.6 157
Show 21045-2644 B 2490 319 9.2 158
Show 21215-2442 SEE 441 AB 19 1.8 160
Show 21215-2442 SEE 441 AC 317 102.8 160
Show 21218-2409 KPP 492 227 3.9 165
Show 21105-2711 BRG 32 314 9.4 168
Show 21213-2324 B 524 151 1.1 169

 
 
WDS 21099-2424 : COMPONENTS
 
 
  A
B pa=307.8°
sep=0.03"
 
 
21099-2424 A
 
 
Componente originario normalizzato AB Name HD 201385 Coord arcsec 2000 210951.57-242402.7 Mag 8.71
Spectral class G5V (yellow) PmRA -3.00 PmDE 19.0 SAO 190074
HIP 104476 Tycho2 6928-00128-1 HD 201385 CD CD-2416499
CP CP-24 7169
Tycho2
Tycho2 6928-00128-1 Pflag RAmdeg 317.46485883 DEmdeg -24.40069005
PmRA -2.3 PmDE 20.5 E RAmdeg 6 E DEmdeg 8
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.29 EpDEm 1990.87
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 9.017 E BTmag 0.018 VTmag 8.165
E VTmag 0.013 Prox 999 TYC T HIP 104476
CCDM AB RAdeg 317.46486500 DEdeg -24.40073667 EpRA 1990 1.81
EpDE 1990 1.80 E RAdeg 6.1 E DEdeg 8.0 Posflg P
Corr -0.3
SAO
SAO 190074 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 0.048 Vmag 8.4 SpType G5
Double code Source 25 CatNum 14611 DM CD-2416499
DMcomp BDsup HD 201385 M HD 0
GC RA1950rad 5.52811991 DE1950rad -0.42943488 PmRA2000 0.0003
PmDE2000 0.045
Hipparcos
Catalog H HIP 104476 Proxy H RAhms 21 09 51.57
DEdms -24 24 02.7 Vmag 8.09 VarFlag R Vmag H
RAdeg 317.465 DEdeg -24.4007 AstroRef * Plx 19.28
CCDM 21099-2424 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 122 Rho 0.124 HD 201385 BD
CD CD-2416499 CP CP-24 7169 Dm number -2416499 VIred 0.78
SpType G5V R SpType Coord arcsec 2000 210951.57-242402.7
Hipparcos 2
HIP 104476 Sn 55 So 3 Nc 2
RArad 5.5408071773 DErad -0.425873259 Plx 19.14 PmRA -4.9
PmDE 18.29 E RArad 0.93 E DErad 0.63 E Plx 1.15
E pmRA 1.19 E pmDE 0.48 Hpmag 8.2254 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.739 E BV 0.015
VI 0.79
CCDM
Ccdm 21099-2424 RComp Comp A Note1
Note2 Discov num DRAs -2.43 DDEs -2.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.7 Sp G5 PmNote *
PmRA -3 PmDE 19 Dm number -2416499 Cat1 CD
Name2 190074 Cat2 SAO HD 201385 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 104476
 
 
21099-2424 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210951.57-242402.7 Mag 9.34 Calc delta mag 0.63
Calc coord yes
CCDM
Ccdm 21099-2424 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.43 DDEs -2.5
R dRAs 82 Year 1991 Theta 122 Rho 0.1
Obs 1 Vmag 9.3 Sp PmNote *
PmRA -3 PmDE 19 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 104476