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Doubles in session


Current system
03122+3713
STF 360
HD 19771


Nearby doubles
2' : 03120+3713
TDS2475

8' : 03128+3720
WZ 6

14' : 03123+3700
STF 361

22' : 03108+3724
LDS9145AB

27' : 03138+3733
AG 63AB

30' : 03134+3738
CRB 56

30' : 03136+3649
ES 2331

39' : 03121+3635
ES 2277

43' : 03156+3724
BWL 13AB

48' : 03083+3702
ALI 276

51' : 03161+3654
COU1076

54' : 03113+3805
ALI 514

55' : 03158+3641
DAM 756

56' : 03123+3808
ES 2457

57' : 03078+3652
A 1533

58' : 03171+3648
DAM 33AB

59' : 03148+3802
TDS2495

65' : 03077+3637
ENG 11AB

67' : 03159+3805
WEY 1

68' : 03119+3605
HO 500AB

73' : 03071+3757
BRT2203

79' : 03183+3646
ALI 279

80' : 03055+3719
GRV 159

83' : 03128+3836
ALI 771

85' : 03168+3621
HJ 662

91' : 03166+3826
TDS2512



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.

03122+3713 STF 360 (HD 19771)

 
 
03h 12m 09.59s +37° 13' 03.3" P.A. 124.00 sep 3.0 mag 8.02,8.29 Sp G0 dist. 39.92 pc (130.22 l.y.)
 
 
Coord 2000 03122+3713 Discov num STF 360 Comp Coord arcsec 2000 03 12 09.59 +37 13 03.3
Date first 1828 Date last 2022 Obs 156
Pa first 147 Pa last 124.3 P.A. Now (θ) 124.3°
Sep first 1.2 Sep last 2.98 Sep. Now (ρ) 2.98"
Mag pri 8.02 Mag sec 8.29 delta mag (ΔM) 0.27 Spectral class G0 (yellow)
Pri motion ra -027 Sec motion ra -034
Pri motion dec -034 Sec motion dec -027
Notes N O (See Notes, Orbital solution)
rPM=0.228 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 19771 Constellation Perseus SAO 56241 HIP 14886
Tycho2 2352-00206-1 Gaia DR2 139281533098990336 HD 19771 GC 3813
ADS 2390 BD BD+36 650 Distance 39.92 Distance ly 130.22
 
 
ORBITAL ELEMENTS
 
 
Period (P)1500y Periastron (T)1230.7y± 300 Semi-major axis (a)3.7a
Eccentricity (e)0.375± 0.262 Inclination (i)100.4°± 1.8 Longitude of periastron (ω)119.4°± 39
Node (Ω)109.8°± 5.7 Notesn ReferenceTok2020i
Equinox Last observation2017 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 126.1 2.782
2001 126.0 2.790
2002 126.0 2.798
2003 125.9 2.806
2004 125.8 2.814
2005 125.8 2.822
2006 125.7 2.830
2007 125.6 2.838
2008 125.6 2.846
2009 125.5 2.854
2010 125.4 2.862
2011 125.4 2.870
2012 125.3 2.878
2013 125.2 2.886
2014 125.2 2.894
2015 125.1 2.902
2016 125.0 2.910
2017 125.0 2.918
2018 124.9 2.926
2019 124.8 2.934
2020 124.8 2.941
2021 124.7 2.949
2022 124.6 2.957
2023 124.6 2.965
2024 124.5 2.973
2025 124.5 2.980
2026 124.4 2.988
2027 124.3 2.996
2028 124.3 3.003
2029 124.2 3.011
2030 124.1 3.019


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


 
  


wds03122%2B3713b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 03122+3713 STF 360 (HD 19771) : NOTES
 
 
discov_num notes refcode
STF 360 A premature orbit has been calculated. Data appear equally well fit by
rectilinear solution - see rectilinear elements catalog.
A is SB1, P=415d. B is possible long-period SB. Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
Tok2020i orb+j Tokovinin, A. & Latham, D.W. 2020AJ....160..251T
Tok2020i +St AJ 160, 251, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03122+3713 STF 360 2006 130 126 2.8 8.02 8.29 G0 NCD 031209.59+371303.3
03122+3713 STF 360 2008 132 125 2.8 8.02 8.29 G0 NCD 031209.59+371303.3
03122+3713 STF 360 2009 135 126 2.9 8.02 8.29 G0 NCD 031209.59+371303.3
03122+3713 STF 360 2011 140 126 2.8 8.02 8.29 G0 NCD 031209.59+371303.3
03122+3713 STF 360 2014 145 124 2.9 8.02 8.29 G0 NC 031209.59+371303.3
03122+3713 STF 360 2015 148 126 2.7 8.02 8.29 G0 NC 031209.59+371303.3
03122+3713 STF 360 2017 148 124 2.9 8.02 8.29 G0 NC 031209.59+371303.3
03122+3713 STF 360 2018 151 126 2.8 8.02 8.29 G0 NC 031209.59+371303.3
03122+3713 STF 360 2019 154 125 2.9 8.02 8.29 G0 NC 031209.59+371303.3
03122+3713 STF 360 2022 156 124 3.0 8.02 8.29 G0 NO 031209.59+371303.3

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

 
 
WDS 03122+3713 STF 360 (HD 19771) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03122+3713 STF 360 (HD 19771) : MEASURES
 
 
No records found.

 
 
WDS 03122+3713 (HD 19771) : VIRTUAL EYEPIECE
 
 

03122+3713 STF 360A mag 8.02 Sp G0 03122+3713 STF 360B sep 2.6 P.A. 130.60 mag 8.29 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 03122+3713 (HD 19771) : ALADIN DSS IMAGE @ 03h 12m 09.59s +37° 13' 03.3"
 
 
 
 
WDS 03122+3713 STF 360 (HD 19771) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03122+3713 STF 360 distance=0' 03120+3713 TDS2475 distance=2' 03128+3720 WZ 6 distance=8' 03123+3700 STF 361 distance=14' 03108+3724 LDS9145AB distance=22' 03138+3733 COU1075Aa,Ab distance=27' 03138+3733 AG 63AB distance=27' 03134+3738 CRB 56 distance=30' 03136+3649 ES 2331 distance=30' 03121+3635 ES 2277 distance=39' 03156+3724 BWL 13AB distance=43' 03156+3724 BWL 13AC distance=43' 03083+3702 ALI 276 distance=48' 03161+3654 COU1076 distance=51' 03113+3805 ALI 514 distance=54' 03158+3641 DAM 756 distance=55' 03123+3808 ES 2457 distance=56' 03078+3652 A 1533 distance=57' 03171+3648 ES 2557AC distance=58' 03171+3648 DAM 33AB distance=58' 03148+3802 TDS2495 distance=59' 03077+3637 ENG 11AB distance=65' 03159+3805 WEY 1 distance=67' 03119+3605 HO 500AB distance=68' 03119+3605 HO 500AC distance=68' 03071+3757 BRT2203 distance=73' 03183+3646 ALI 279 distance=79' 03055+3719 GRV 159 distance=80' 03128+3836 ALI 771 distance=83' 03168+3621 HJ 662 distance=85' 03166+3826 TDS2512 distance=91' 03080+3557 HO 499 distance=92' 03057+3805 ALI 512 distance=93' 03150+3543 HO 502 distance=96' 03155+3840 AG 64 distance=97' 03048+3756 CBL 216 distance=98' 03041+3654 SLW 145 distance=99' 03138+3856 UC 43BC distance=103' 03138+3854 ITF 91 distance=103' 03138+3856 ITF 85AB distance=105' 03138+3856 ITF 85AC distance=105' 03177+3838 RAO 10Ca,Cb distance=107' 03115+3900 UC 963 distance=108' 03177+3838 STT 53AB distance=108' 03177+3838 TOK 237AC distance=108' 03118+3525 GIC 37 distance=108' 03036+3627 BUP 37AB distance=113' 03036+3627 COU 869AC distance=113' 03088+3528 STF 352AB distance=114' 03201+3611 BVD 34 distance=115' 03068+3538 UC 950 distance=115' 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 03122+3713 STF 360 124 3.0
Show 03120+3713 TDS2475 138 2.6 2
Show 03128+3720 WZ 6 202 7.0 8
Show 03123+3700 STF 361 15 10.6 14
Show 03108+3724 LDS9145 AB 79 128.9 22
Show 03138+3733 COU1075 Aa,Ab 40 0.9 27
Show 03138+3733 AG 63 AB 130 5.2 27
Show 03134+3738 CRB 56 135 16.9 30
Show 03136+3649 ES 2331 130 1.8 30
Show 03121+3635 ES 2277 240 2.6 39
Show 03156+3724 BWL 13 AB 338 2.0 43
Show 03156+3724 BWL 13 AC 318 6.7 43
Show 03083+3702 ALI 276 102 11.6 48
Show 03161+3654 COU1076 91 1.1 51
Show 03113+3805 ALI 514 210 12.2 54
Show 03158+3641 DAM 756 268 47.6 55
Show 03123+3808 ES 2457 19 4.2 56
Show 03078+3652 A 1533 181 1.0 57
Show 03171+3648 ES 2557 AC 60 3.4 58
Show 03171+3648 DAM 33 AB 65 1.5 58
Show 03148+3802 TDS2495 258 0.5 59
Show 03077+3637 ENG 11 AB 259 135.8 65
Show 03159+3805 WEY 1 259 1.0 67
Show 03119+3605 HO 500 AB 45 0.7 68
Show 03119+3605 HO 500 AC 187 33.7 68
Show 03071+3757 BRT2203 321 3.9 73
Show 03183+3646 ALI 279 333 5.6 79
Show 03055+3719 GRV 159 64 22.5 80
Show 03128+3836 ALI 771 193 9.1 83
Show 03168+3621 HJ 662 216 18.3 85
Show 03166+3826 TDS2512 118 0.5 91
Show 03080+3557 HO 499 235 1.9 92
Show 03057+3805 ALI 512 157 10.8 93
Show 03150+3543 HO 502 15 0.8 96
Show 03155+3840 AG 64 238 8.8 97
Show 03048+3756 CBL 216 129 8.0 98
Show 03041+3654 SLW 145 100 11.3 99
Show 03138+3856 UC 43 BC 274 65.8 103
Show 03138+3854 ITF 91 263 5.4 103
Show 03138+3856 ITF 85 AB 229 182.8 105
Show 03138+3856 ITF 85 AC 241 234.4 105
Show 03177+3838 RAO 10 Ca,Cb 222 1.6 107
Show 03115+3900 UC 963 233 49.7 108
Show 03177+3838 STT 53 AB 232 0.6 108
Show 03177+3838 TOK 237 AC 180 106.6 108
Show 03118+3525 GIC 37 224 99.4 108
Show 03036+3627 BUP 37 AB 268 99.8 113
Show 03036+3627 COU 869 AC 106 5.1 113
Show 03088+3528 STF 352 AB 3.9 114
Show 03201+3611 BVD 34 63 15.1 115
Show 03068+3538 UC 950 349 46.8 115

 
 
WDS 03122+3713 : COMPONENTS
 
 
  A
B pa=130.6°
sep=2.58"
 
 
03122+3713 A
 
 
Componente originario normalizzato AB Name HD 19771 Coord arcsec 2000 031209.59+371303.3 Mag 8.02
Spectral class G0 (yellow) PmRA -27.00 PmDE -34.0 SAO 56241
HIP 14886 Tycho2 2352-00206-1 HD 19771 GC 3813
BD BD+36 650
Tycho2
Tycho2 2352-00206-1 Pflag P RAmdeg 48.03994214 DEmdeg 37.21757584
PmRA -38.1 PmDE -39.4 E RAmdeg 5 E DEmdeg 6
E pmRA 4.3 E pmDE 3.8 EpRAm 1991.70 EpDEm 1991.49
Num 3 Q RAmdeg 2.2 Q DEmdeg 3.8 Q pmRA 2.2
Q pmDE 3.8 BTmag 8.629 E BTmag 0.017 VTmag 8.016
E VTmag 0.012 Prox 27 TYC T HIP 14886
CCDM A RAdeg 48.03975639 DEdeg 37.21784167 EpRA 1990 1.72
EpDE 1990 1.53 E RAdeg 5.4 E DEdeg 6.3 Posflg D
Corr -0.2
SAO
SAO 56241 DelFlag RA1950 PmRA1950 -0.0043
DE1950 PmDE1950 -0.013 Vmag 7.4 SpType G0
Double code Source 70 CatNum 3813 DM BD+36 650
DMcomp BDsup HD 19771 M HD 0
GC 3813 RA1950rad 0.82455863 DE1950rad 0.64630729 PmRA2000 -0.0043
PmDE2000 -0.015
Hipparcos
Catalog H HIP 14886 Proxy H RAhms 03 12 09.54
DEdms +37 13 04.2 Vmag 7.29 VarFlag R Vmag G
RAdeg 48.0398 DEdeg 37.2178 AstroRef A Plx 23.6
CCDM 03122+3713 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 127 Rho 2.717 HD 19771 BD BD+36 650
CD CP Dm number +36 650 VIred 0.68
SpType G0 R SpType Coord arcsec 2000 031209.54+371304.2
Hipparcos 2
HIP 14886 Sn 15 So 3 Nc 2
RArad 0.8384520927 DErad 0.6495739323 Plx 25.05 PmRA -33.07
PmDE -24.84 E RArad 1.41 E DErad 0.79 E Plx 1.5
E pmRA 1.33 E pmDE 1.34 Hpmag 7.4114 E Hpmag 0.0012
SHp 0.012 VA 0 BV 0.606 E BV 0.015
VI 0.68
CCDM
Ccdm 03122+3713 RComp Comp A Note1
Note2 Discov num DRAs -2.60 DDEs 4.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp G0 PmNote *
PmRA -53 PmDE -13 Dm number +36 650 Cat1 BD
Name2 56241 Cat2 SAO HD 19771 M HD
ADS BDS A 2390 M ADS BDS N IDS IDS 03058N3650A
HIC 14886
 
 
03122+3713 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 031209.75+371301.6 Mag 8.29 PmRA -34.00
PmDE -27.0 HIP 14886 Tycho2 2352-00206-2 Calc delta mag 0.27
Calc coord yes
Tycho2
Tycho2 2352-00206-2 Pflag P RAmdeg 48.03994214 DEmdeg 37.21757584
PmRA -38.1 PmDE -39.4 E RAmdeg 5 E DEmdeg 6
E pmRA 4.3 E pmDE 3.8 EpRAm 1991.70 EpDEm 1991.49
Num 3 Q RAmdeg 2.2 Q DEmdeg 3.8 Q pmRA 2.2
Q pmDE 3.8 BTmag 8.906 E BTmag 0.017 VTmag 8.293
E VTmag 0.013 Prox 27 TYC HIP 14886
CCDM B RAdeg 48.04052111 DEdeg 37.21739389 EpRA 1990 1.73
EpDE 1990 1.54 E RAdeg 6.2 E DEdeg 7.5 Posflg D
Corr -0.2
Hipparcos
Catalog H HIP 14886 Proxy H RAhms 03 12 09.54
DEdms +37 13 04.2 Vmag 7.29 VarFlag R Vmag G
RAdeg 48.0398 DEdeg 37.2178 AstroRef A Plx 23.6
CCDM 03122+3713 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 127 Rho 2.717 HD 19771 BD BD+36 650
CD CP Dm number +36 650 VIred 0.68
SpType G0 R SpType Coord arcsec 2000 031209.54+371304.2
Hipparcos 2
HIP 14886 Sn 15 So 3 Nc 2
RArad 0.8384520927 DErad 0.6495739323 Plx 25.05 PmRA -33.07
PmDE -24.84 E RArad 1.41 E DErad 0.79 E Plx 1.5
E pmRA 1.33 E pmDE 1.34 Hpmag 7.4114 E Hpmag 0.0012
SHp 0.012 VA 0 BV 0.606 E BV 0.015
VI 0.68
CCDM
Ccdm 03122+3713 RComp Comp B Note1 *
Note2 Discov num STF 360 DRAs DDEs
R dRAs Year 1959 Theta 128 Rho 2.5
Obs 99 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2390 M ADS BDS N IDS IDS 03058N3650B
HIC 14886