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Doubles in session


Current system
21088-0426
HDS 3013 Aa,Ab


Nearby doubles
3' : 21086-0427
BRT 514

13' : 21081-0418
KPP1922

17' : 21095-0437
CVR 889

23' : 21082-0404
LDS4864

25' : 21092-0450
KPP2590

30' : 21070-0435
BRT 512

32' : 21067-0431
TDT2756

41' : 21110-0403
BAR9012

61' : 21050-0403
RST4690

62' : 21047-0429
HJ 5244

67' : 21070-0529
GRV1139

71' : 21077-0534
BUP 225

71' : 21051-0510
A 177

75' : 21066-0534
BRT 557

88' : 21033-0456
TDT2716

88' : 21065-0546
RST4692

89' : 21113-0306
MGS 1

90' : 21116-0307
STF2770

92' : 21027-0410
GWP3031

95' : 21050-0309
CVR 238

97' : 21120-0549
STF2768

103' : 21075-0244
KPP 484

110' : 21041-0549
STF2745AB

115' : 21037-0258
J 1717

116' : 21098-0232
BAL 261

117' : 21077-0621
BRT 513



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.

21088-0426 HDS 3013 Aa,Ab

 
 
21h 08m 45.51s -04° 25' 36.7" P.A. 326.00 sep 0.2 mag 9.64,12.14 Sp M1 dist. 27.09 pc (88.37 l.y.)
 
 
Coord 2000 21088-0426 Discov num HDS3013 Comp Aa,Ab Coord arcsec 2000 21 08 45.51 -04 25 36.7
Date first 1991 Date last 2021 Obs 25
Pa first 162 Pa last 326.1 P.A. Now (θ) 307.5°
Sep first 0.3 Sep last 0.229 Sep. Now (ρ) 0.268"
Mag pri 9.64 Mag sec 12.14 delta mag (ΔM) 2.5 Spectral class M1 (red)
Pri motion ra -075 Sec motion ra
Pri motion dec -033 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
21088-0426 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 08 46 -04 25 37 HDS 3013 Aa,Ab 2021 25 326 0.2 9.64 12.14 2.50 Y <===
Show 21 08 46 -04 25 37 VVO 18 AB 2016 4 332 20.9 9.50 13.20 3.70
Show 21 08 46 -04 25 37 AMM 10 AC 2003 1 262 4.4 6.40 17.80 11.40
Show 21 08 46 -04 25 37 AMM 10 AD 2003 1 264 4.9 6.40 15.70 9.30
Show 21 08 46 -04 25 37 AMM 10 AE 2003 1 2 12.9 6.40 17.50 11.10
Show 21 08 46 -04 25 37 AMM 10 AF 2003 1 330 20.2 6.40 16.20 9.80
Show 21 08 46 -04 25 37 AMM 10 AG 2003 1 311 21.9 6.40 16.50 10.10
Octuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius HIP 104383 Gaia DR2 6912161147450851840 GL Wo 9721A
BD BD-05 5480 Distance 27.09 Distance ly 88.37
 
 
ORBITAL ELEMENTS
 
 
Period (P)25.04y± 0.04 Periastron (T)1994.31y± 0.04 Semi-major axis (a)317.9m± 1.6
Eccentricity (e)0.549± 0.003 Inclination (i)132.8°± 0.4 Longitude of periastron (ω)99.2°± 0.6
Node (Ω)154.7°± 0.7 Notes ReferenceMit2021
Equinox Last observation2020 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 286.6 0.297
2001 277.5 0.305
2002 268.9 0.312
2003 260.6 0.318
2004 252.5 0.324
2005 244.8 0.329
2006 237.3 0.335
2007 230.1 0.340
2008 223.1 0.345
2009 216.2 0.349
2010 209.5 0.352
2011 202.9 0.352
2012 196.2 0.350
2013 189.3 0.343
2014 182.0 0.331
2015 174.0 0.311
2016 164.6 0.280
2017 152.2 0.234
2018 131.6 0.168
2019 80.9 0.102
2020 8.2 0.132
2021 337.2 0.198
2022 320.2 0.241
2023 307.5 0.268
2024 296.7 0.285
2025 287.0 0.297
2026 277.9 0.305
2027 269.2 0.312
2028 260.9 0.318
2029 252.8 0.323
2030 245.1 0.329


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


 
  


wds21088-0426d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21088-0426 HDS 3013 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Mit2021 S - Mitrofanova, A., Dyachenko, V., Beskakotov, A., Balega, Y., Maksimov, A. & 2021AJ....162..156M
Mit2021 +orb Rastegaev, D.
Mit2021 AJ 162, 156, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 AMM Ammler-von Eiff, M., Bedalov, A., Kranhold, C., Bugrauer, M., Schmidt, T.O.B.,
1 AMM Neuhauser, R., & Errman, R.
2 HDS Hipparcos Double Star (from additional DD list)
2 VVO Upgren, A.R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21088-0426 HDS3013 Aa,Ab 2007 4 224 0.4 9.64 12.14 M1 D 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2008 5 217 0.4 9.64 12.14 M1 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2014 6 355 0.3 9.64 12.14 M1 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2017 7 140 0.2 9.64 12.14 M1 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2018 8 118 0.1 9.64 12.14 M1 O 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2019 9 50 0.1 9.64 12.14 M1 O 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2020 10 340 0.2 9.64 12.14 M1 O 210845.51-042536.7
21088-0426 HDS3013 Aa,Ab 2021 25 326 0.2 9.64 12.14 M1 O 210845.51-042536.7

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

 
 
WDS 21088-0426 HDS 3013 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21088-0426 HDS 3013 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 21088-0426 : VIRTUAL EYEPIECE
 
 

21088-0426 VVO 18A mag 9.5 Sp M1 21088-0426 HDS3013Ab sep 0.2 P.A. 326.20 mag 12.14 21088-0426 VVO 18B sep 20.9 P.A. 331.80 mag 13.2 21088-0426 AMM 10C sep 4.4 P.A. 262.10 mag 17.8 Sp M1d 21088-0426 AMM 10D sep 4.9 P.A. 264.10 mag 15.7 Sp M1d 21088-0426 AMM 10E sep 12.9 P.A. 1.80 mag 17.5 Sp M1d 21088-0426 AMM 10F sep 20.2 P.A. 329.90 mag 16.2 Sp M1d 21088-0426 AMM 10G sep 21.9 P.A. 310.60 mag 16.5 Sp M1d 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 21088-0426 : ALADIN DSS IMAGE @ 21h 08m 45.51s -04° 25' 36.7"
 
 
 
 
WDS 21088-0426 HDS 3013 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21088-0426 HDS3013Aa,Ab distance=0' 21086-0427 BRT 514 distance=3' 21081-0418 KPP1922 distance=13' 21095-0437 CVR 889 distance=17' 21082-0404 LDS4864 distance=23' 21092-0450 KPP2590 distance=25' 21070-0435 BRT 512 distance=30' 21067-0431 TDT2756 distance=32' 21110-0403 BAR9012 distance=41' 21050-0403 RST4690 distance=61' 21047-0429 HJ 5244 distance=62' 21070-0529 GRV1139 distance=67' 21077-0534 BUP 225 distance=71' 21051-0510 A 177 distance=71' 21066-0534 BRT 557 distance=75' 21033-0456 TDT2716 distance=88' 21065-0546 RST4692 distance=88' 21113-0306 MGS 1 distance=89' 21116-0307 STF2770 distance=90' 21027-0410 GWP3031 distance=92' 21050-0309 CVR 238 distance=95' 21120-0549 STF2768 distance=97' 21075-0244 KPP 484 distance=103' 21041-0549 MCA 66Aa,Ab distance=110' 21041-0549 STF2745AB distance=110' 21037-0258 J 1717 distance=115' 21098-0232 BAL 261 distance=116' 21077-0621 BRT 513 distance=117' 21151-0306 OCC9216 distance=124' 21149-0303 TDT2856 distance=124' 21172-0414 BU 161DE distance=127' 21172-0414 BU 161BC distance=127' 21172-0414 BU 161AB distance=127' 21172-0414 BU 161AD distance=127' 21172-0414 BU 161AE distance=127' 21137-0610 TDS1121 distance=129' 21000-0436 RST4688 distance=132' 21032-0610 RST4689 distance=133' 21112-0218 BAL 262 distance=134' 21001-0506 WSP 69AB distance=136' 21001-0506 WSP 69AC distance=136' 21001-0506 WSP 69AD distance=136' 21009-0316 CVR 235 distance=137' 21017-0552 TDS1111 distance=137' 21014-0539 CHE 304 distance=140' 21100-0642 GRV1141 distance=142' 21121-0638 TDT2821 distance=142' 21001-0530 UC 4356 distance=145' 21004-0537 TDT2690 distance=145' 21005-0548 ROE 148 distance=149' 21001-0541 ROE 114AB distance=150' 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 21088-0426 HDS3013 Aa,Ab 326 0.2
Show 21088-0426 VVO 18 AB 332 20.9
Show 21088-0426 AMM 10 AC 262 4.4
Show 21088-0426 AMM 10 AD 264 4.9
Show 21088-0426 AMM 10 AE 2 12.9
Show 21088-0426 AMM 10 AF 330 20.2
Show 21088-0426 AMM 10 AG 311 21.9
Show 21086-0427 BRT 514 135 4.6 3
Show 21081-0418 KPP1922 338 15.1 13
Show 21095-0437 CVR 889 308 20.2 17
Show 21082-0404 LDS4864 45 2.0 23
Show 21092-0450 KPP2590 193 23.4 25
Show 21070-0435 BRT 512 63 5.2 30
Show 21067-0431 TDT2756 84 0.6 32
Show 21110-0403 BAR9012 336 3.5 41
Show 21050-0403 RST4690 7 0.9 61
Show 21047-0429 HJ 5244 132 13.6 62
Show 21070-0529 GRV1139 121 39.7 67
Show 21077-0534 BUP 225 264 58.3 71
Show 21051-0510 A 177 337 1.2 71
Show 21066-0534 BRT 557 281 4.3 75
Show 21033-0456 TDT2716 240 0.7 88
Show 21065-0546 RST4692 282 1.8 88
Show 21113-0306 MGS 1 128 4.5 89
Show 21116-0307 STF2770 246 7.7 90
Show 21027-0410 GWP3031 164 13.1 92
Show 21050-0309 CVR 238 79 23.5 95
Show 21120-0549 STF2768 194 7.7 97
Show 21075-0244 KPP 484 6 3.5 103
Show 21041-0549 MCA 66 Aa,Ab 54 0.3 110
Show 21041-0549 STF2745 AB 198 2.4 110
Show 21037-0258 J 1717 180 3.0 115
Show 21098-0232 BAL 261 191 8.8 116
Show 21077-0621 BRT 513 258 6.6 117
Show 21151-0306 OCC9216 91 0.4 124
Show 21149-0303 TDT2856 107 0.5 124
Show 21172-0414 BU 161 DE 8 10.8 127
Show 21172-0414 BU 161 BC 315 8.2 127
Show 21172-0414 BU 161 AB 350 101.2 127
Show 21172-0414 BU 161 AD 315 32.4 127
Show 21172-0414 BU 161 AE 327 39.9 127
Show 21137-0610 TDS1121 93 1.3 129
Show 21000-0436 RST4688 112 0.3 132
Show 21032-0610 RST4689 84 0.8 133
Show 21112-0218 BAL 262 279 17.5 134
Show 21001-0506 WSP 69 AB 89 7.4 136
Show 21001-0506 WSP 69 AC 15 15.0 136
Show 21001-0506 WSP 69 AD 147 17.0 136
Show 21009-0316 CVR 235 297 75.5 137
Show 21017-0552 TDS1111 51 1.3 137
Show 21014-0539 CHE 304 280 7.1 140

 
 
WDS 21088-0426 : COMPONENTS
 
 
  A Ab B C D E F
Ab pa=326.2°
sep=0.23"
 
B pa=331.8°
sep=20.90"
pa=331.8°
sep=20.67"
 
C pa=262.1°
sep=4.41"
pa=259.3°
sep=4.32"
pa=163.8°
sep=19.80"
 
D pa=264.1°
sep=4.89"
pa=261.7°
sep=4.78"
pa=165.1°
sep=19.57"
pa=282.0°
sep=0.50"
 
E pa=1.8°
sep=12.88"
pa=2.4°
sep=12.69"
pa=118.3°
sep=11.68"
pa=19.5°
sep=14.30"
pa=21.5°
sep=14.37"
 
F pa=329.9°
sep=20.22"
pa=329.9°
sep=19.99"
pa=195.9°
sep=0.96"
pa=342.3°
sep=18.99"
pa=343.6°
sep=18.75"
pa=293.6°
sep=11.52"
 
G pa=310.6°
sep=21.88"
pa=310.4°
sep=21.66"
pa=238.2°
sep=7.92"
pa=320.5°
sep=19.24"
pa=321.4°
sep=18.85"
pa=274.6°
sep=17.07"
pa=243.3°
sep=7.24"
 
 
21088-0426 A
 
 
Coord arcsec 2000 210845.51-042536.7 Mag 9.5 Spectral class M1 (red) PmRA -52.00
PmDE -19.0 HIP 104383 BD BD-05 5480
Hipparcos
Catalog H HIP 104383 Proxy H RAhms 21 08 45.51
DEdms -04 25 36.7 Vmag 9.45 VarFlag R Vmag G
RAdeg 317.19 DEdeg -4.42685 AstroRef * Plx 37.91
CCDM 21088-0426 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 162 Rho 0.266 HD BD BD-05 5480
CD CP Dm number -05 5480 VIred 1.36
SpType M1 R SpType Coord arcsec 2000 210845.51-042536.7
Hipparcos 2
HIP 104383 Sn 55 So 3 Nc 2
RArad 5.5360036283 DErad -0.0772630406 Plx 36.92 PmRA -77.56
PmDE -32.89 E RArad 1.41 E DErad 0.92 E Plx 1.53
E pmRA 2.42 E pmDE 0.87 Hpmag 9.5353 E Hpmag 0.0025
SHp 0.015 VA 0 BV 1.15 E BV 0.015
VI 1.36
CCDM
Ccdm 21088-0426 RComp Comp A Note1
Note2 Discov num DRAs -2.52 DDEs 23.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.6 Sp M1 PmNote *
PmRA -75 PmDE -33 Dm number -05 5480 Cat1 BD
Name2 145139 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 104383
 
 
21088-0426 Ab
 
 
Coord arcsec 2000 210845.50-042536.5 Mag 12.14 Calc delta mag 2.5 Calc coord yes
 
 
21088-0426 B
 
 
Coord arcsec 2000 210844.85-042518.3 Mag 13.2 PmRA -42.00 PmDE -12.0
Calc delta mag 3.56 Calc coord yes
CCDM
Ccdm 21088-0426 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.52 DDEs 22.8
R dRAs 82 Year 1991 Theta 162 Rho 0.3
Obs 1 Vmag 12.1 Sp PmNote *
PmRA -75 PmDE -33 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 104383
 
 
21088-0426 C
 
 
Coord arcsec 2000 210845.22-042537.3 Mag 17.8 Spectral class M1d (red) Calc delta mag 8.16
Calc coord yes
 
 
21088-0426 D
 
 
Coord arcsec 2000 210845.18-042537.2 Mag 15.7 Spectral class M1d (red) Calc delta mag 6.06
Calc coord yes
 
 
21088-0426 E
 
 
Coord arcsec 2000 210845.54-042523.8 Mag 17.5 Spectral class M1d (red) Calc delta mag 7.86
Calc coord yes
 
 
21088-0426 F
 
 
Coord arcsec 2000 210844.83-042519.2 Mag 16.2 Spectral class M1d (red) Calc delta mag 6.56
Calc coord yes
 
 
21088-0426 G
 
 
Coord arcsec 2000 210844.40-042522.5 Mag 16.5 Spectral class M1d (red) Calc delta mag 6.86
Calc coord yes