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Current system
21399+2737
HDS 3083


Nearby doubles
25' : 21386+2720
KPP 497

25' : 21396+2712
GRV 489

27' : 21379+2743
MLB1093AB

28' : 21420+2741
RAO 465AB

41' : 21423+2800
GRV 494

49' : 21435+2725
BKO 631

51' : 21435+2721
A 299AB

52' : 21390+2826
ES 520

55' : 21361+2716
MLB 620

55' : 21439+2751
HO 166

56' : 21368+2701
MLB 621

65' : 21401+2632
BRT3367

71' : 21353+2812
CHR 103

74' : 21453+2722
HO 606

77' : 21444+2824
KPP3373

81' : 21382+2620
UC 4516

81' : 21353+2646
MLB 717

81' : 21342+2804
NSN 66AB

83' : 21457+2708
BKO 633

84' : 21456+2709
MLB1050

84' : 21454+2819
J 3145

86' : 21384+2614
TDT3074

87' : 21442+2631
BUP 230AB

88' : 21441+2845
STF2822AB

89' : 21418+2901
MLB 492

91' : 21361+2622
UC 4505



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

21399+2737 HDS 3083

 
 
21h 39m 54.37s +27° 36' 43.3" P.A. 337.00 sep 0.2 mag 11.95,13.22 Sp M2+M4 dist. 24.43 pc (79.69 l.y.)
 
 
Coord 2000 21399+2737 Discov num HDS3083 Comp Coord arcsec 2000 21 39 54.37 +27 36 43.3
Date first 1991 Date last 2021 Obs 24
Pa first 135 Pa last 337.4 P.A. Now (θ) 355.7°
Sep first 0.2 Sep last 0.193 Sep. Now (ρ) 0.156"
Mag pri 11.95 Mag sec 13.22 delta mag (ΔM) 1.27 Spectral class M2+M4 (red/red)
Pri motion ra +281 Sec motion ra
Pri motion dec -230 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus HIP 106972 GL NN 4210 Distance 24.43
Distance ly 79.69
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.75y± 0.13 Periastron (T)2006.893y± 0.154 Semi-major axis (a)0.2169a± 0.0026
Eccentricity (e)0.294± 0.013 Inclination (i)69.4°± 0.6 Longitude of periastron (ω)108.3°± 1.6
Node (Ω)149.8°± 0.6 Notesn ReferenceBag2010
Equinox2000 Last observation2008 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 86.2 0.108
2001 114.1 0.151
2002 129.0 0.197
2003 138.9 0.225
2004 147.5 0.225
2005 158.0 0.182
2006 183.6 0.092
2007 291.6 0.080
2008 324.1 0.164
2009 337.6 0.189
2010 351.4 0.166
2011 13.1 0.124
2012 52.7 0.097
2013 95.1 0.117
2014 118.6 0.163
2015 131.7 0.206
2016 141.0 0.229
2017 149.7 0.219
2018 161.7 0.163
2019 201.4 0.069
2020 305.1 0.104
2021 327.9 0.177
2022 340.8 0.187
2023 355.7 0.156
2024 21.1 0.114
2025 64.6 0.097
2026 102.5 0.128
2027 122.5 0.175
2028 134.3 0.214
2029 143.2 0.230
2030 152.2 0.209


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


 
  


wds21399%2B2737b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21399+2737 HDS 3083 : NOTES
 
 
discov_num notes refcode
HDS3083 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 0.92 +/- 0.21, 0.86, and 0.75 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Bag2010 S j Balega, I.I., Balega, Yu.Yu., & Malogolovets, E.V. 2010AstBu..65..250B
Bag2010 +orb Astrophys. Bull. 65, 250, 2010
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
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
21399+2737 HDS3083 2003 12 146 0.2 11.95 13.22 M3: OD 213954.19+273645.4
21399+2737 HDS3083 2008 13 338 0.2 11.95 13.22 M2 M4 OD 213954.19+273645.4
21399+2737 HDS3083 2018 20 172 0.1 11.95 13.22 M2+M4 NO 213954.37+273643.3
21399+2737 HDS3083 2019 22 298 0.1 11.95 13.22 M2+M4 NO 213954.37+273643.3
21399+2737 HDS3083 2021 23 337 0.2 11.95 13.22 M2+M4 NO 213954.37+273643.3

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

 
 
WDS 21399+2737 HDS 3083 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21399+2737 HDS 3083 : MEASURES
 
 
No records found.

 
 
WDS 21399+2737 : VIRTUAL EYEPIECE
 
 

21399+2737 HDS3083A mag 11.95 Sp M2 21399+2737 HDS3083B sep 0.2 P.A. 339.80 mag 13.22 Sp M4 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 21399+2737 : ALADIN DSS IMAGE @ 21h 39m 54.37s +27° 36' 43.3"
 
 
 
 
WDS 21399+2737 HDS 3083 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21399+2737 HDS3083 distance=0' 21386+2720 KPP 497 distance=25' 21396+2712 GRV 489 distance=25' 21379+2743 HDS3080Aa,Ab distance=27' 21379+2743 MLB1093AB distance=27' 21379+2743 SKF 245AC distance=27' 21420+2741 RAO 465Aa,Ab distance=28' 21420+2741 RAO 465AB distance=28' 21423+2800 GRV 494 distance=41' 21435+2725 BKO 631 distance=49' 21435+2721 A 299AB distance=51' 21435+2721 A 299AD distance=51' 21435+2721 A 299BC distance=51' 21390+2826 ES 520 distance=52' 21361+2716 MLB 620 distance=55' 21439+2751 HO 166 distance=55' 21368+2701 MLB 621 distance=56' 21435+2721 OSO 155DG distance=56' 21435+2721 A 299DE distance=56' 21435+2721 A 299DF distance=56' 21401+2632 BRT3367 distance=65' 21353+2812 CHR 103 distance=71' 21453+2722 HO 606 distance=74' 21444+2824 KPP3373 distance=77' 21382+2620 UC 4516 distance=81' 21353+2646 MLB 717 distance=81' 21342+2804 NSN 66AB distance=81' 21442+2631 BUP 230CD distance=83' 21457+2708 BKO 633 distance=83' 21456+2709 MLB1050 distance=84' 21454+2819 J 3145 distance=84' 21384+2614 TDT3074 distance=86' 21442+2631 BUP 230AB distance=87' 21442+2631 BUP 230AC distance=87' 21442+2631 BUP 230AD distance=87' 21442+2631 BKO 632AE distance=87' 21441+2845 STF2822BD distance=88' 21441+2845 STF2822AB distance=88' 21441+2845 STF2822AC distance=88' 21441+2845 STF2822AD distance=88' 21441+2845 FYM 25AF distance=88' 21441+2845 FYM 25AG distance=88' 21418+2901 MLB 492 distance=89' 21361+2622 UC 4505 distance=91' 21462+2817 MLB 540AB distance=91' 21462+2817 MLB 540AC distance=91' 21462+2817 ABH 152AD distance=91' 21462+2817 ABH 152AE distance=91' 21441+2845 ES 521DE distance=92' 21441+2845 FYM 25DG distance=92' 21359+2622 HJ 1661 distance=92' 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 21399+2737 HDS3083 337 0.2
Show 21386+2720 KPP 497 205 4.6 25
Show 21396+2712 GRV 489 229 51.9 25
Show 21379+2743 HDS3080 Aa,Ab 109 0.2 27
Show 21379+2743 MLB1093 AB 268 26.7 27
Show 21379+2743 SKF 245 AC 16 3.3 27
Show 21420+2741 RAO 465 Aa,Ab 128 0.3 28
Show 21420+2741 RAO 465 AB 303 2.6 28
Show 21423+2800 GRV 494 323 62.9 41
Show 21435+2725 BKO 631 26 5.9 49
Show 21435+2721 A 299 AB 67 1.1 51
Show 21435+2721 A 299 AD 64 374.5 51
Show 21435+2721 A 299 BC 325 0.1 51
Show 21390+2826 ES 520 36 9.3 52
Show 21361+2716 MLB 620 242 7.5 55
Show 21439+2751 HO 166 233 0.2 55
Show 21368+2701 MLB 621 44 3.2 56
Show 21435+2721 OSO 155 DG 304 6.1 56
Show 21435+2721 A 299 DE 95 999.9 56
Show 21435+2721 A 299 DF 26 145.8 56
Show 21401+2632 BRT3367 310 4.5 65
Show 21353+2812 CHR 103 110 0.2 71
Show 21453+2722 HO 606 93 18.4 74
Show 21444+2824 KPP3373 242 2.1 77
Show 21382+2620 UC 4516 318 24.9 81
Show 21353+2646 MLB 717 133 4.2 81
Show 21342+2804 NSN 66 AB 275 4.0 81
Show 21442+2631 BUP 230 CD 32 277.1 83
Show 21457+2708 BKO 633 18 7.4 83
Show 21456+2709 MLB1050 67 6.9 84
Show 21454+2819 J 3145 112 5.4 84
Show 21384+2614 TDT3074 135 2.4 86
Show 21442+2631 BUP 230 AB 291 45.7 87
Show 21442+2631 BUP 230 AC 260 571.7 87
Show 21442+2631 BUP 230 AD 289 439.6 87
Show 21442+2631 BKO 632 AE 115 16.8 87
Show 21441+2845 STF2822 BD 45 196.7 88
Show 21441+2845 STF2822 AB 325 1.6 88
Show 21441+2845 STF2822 AC 292 76.6 88
Show 21441+2845 STF2822 AD 43 197.0 88
Show 21441+2845 FYM 25 AF 72 111.5 88
Show 21441+2845 FYM 25 AG 73 168.1 88
Show 21418+2901 MLB 492 114 7.0 89
Show 21361+2622 UC 4505 144 36.8 91
Show 21462+2817 MLB 540 AB 256 4.1 91
Show 21462+2817 MLB 540 AC 322 8.7 91
Show 21462+2817 ABH 152 AD 68 41.8 91
Show 21462+2817 ABH 152 AE 96 80.1 91
Show 21441+2845 ES 521 DE 286 17.5 92
Show 21441+2845 FYM 25 DG 164 89.6 92
Show 21359+2622 HJ 1661 84 11.9 92

 
 
WDS 21399+2737 : COMPONENTS
 
 
  A
B pa=339.8°
sep=0.19"
 
 
21399+2737 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213954.37+273643.3 Mag 11.95 Spectral class M2 (red)
PmRA 281.00 PmDE -230.0 HIP 106972
Hipparcos
Catalog H HIP 106972 Proxy H RAhms 21 39 54.19
DEdms +27 36 45.4 Vmag 11.62 VarFlag R Vmag G
RAdeg 324.976 DEdeg 27.6126 AstroRef * Plx 39.78
CCDM 21399+2737 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 135 Rho 0.248 HD BD
CD CP Dm number VIred 2.19
SpType M3: R SpType Coord arcsec 2000 213954.19+273645.4
Hipparcos 2
HIP 106972 Sn 55 So 3 Nc 2
RArad 5.6718978341 DErad 0.48193117 Plx 40.93 PmRA 281.48
PmDE -231.09 E RArad 2.33 E DErad 1.92 E Plx 3.05
E pmRA 2.72 E pmDE 2.26 Hpmag 11.6545 E Hpmag 0.0063
SHp 0.057 VA 0 BV 1.515 E BV 0.02
VI 2.19
CCDM
Ccdm 21399+2737 RComp Comp A Note1
Note2 Discov num DRAs 0.38 DDEs -16.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 11.9 Sp M3 PmNote *
PmRA 281 PmDE -230 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 106972
 
 
21399+2737 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213954.37+273643.5 Mag 13.22 Spectral class M4 (red)
Calc delta mag 1.27 Calc coord yes
CCDM
Ccdm 21399+2737 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.39 DDEs -16.7
R dRAs 82 Year 1991 Theta 135 Rho 0.3
Obs 1 Vmag 13.2 Sp PmNote *
PmRA 281 PmDE -230 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 106972