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Current system
19039+2642
A 2992
HD 337446


Nearby doubles
8' : 19036+2634
TDT1202

19' : 19025+2640
BRT 36AB

32' : 19052+2708
HJ 1365

36' : 19016+2624
TDT1187

36' : 19046+2607
BRT 188

38' : 19066+2646
COU 722

39' : 19038+2602
BU 52AB

40' : 19034+2603
STF2444

43' : 19057+2717
HO 95

45' : 19019+2718
ES 479

49' : 19056+2724
HDS2709

51' : 19053+2555
EGN 24AB

52' : 19029+2552
TDT1200

53' : 19015+2724
AG 370

57' : 19005+2716
TDT1178

63' : 19029+2742
ES 480AB

63' : 19012+2551
RAO 608

63' : 19041+2540
BRT 186

64' : 19083+2706
HO 98AB

65' : 19074+2558
STF2459

68' : 19075+2728
J 1205

70' : 19080+2601
GRF 5

70' : 19064+2743
MLR 538

74' : 19092+2656
HO 444

74' : 19038+2756
GCB 34

76' : 19069+2745
STF2458AB



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19039+2642 A 2992 (HD 337446)

 
 
19h 03m 51.17s +26° 41' 38.1" P.A. 44.00 sep 0.2 mag 10.15,9.58 Sp F8 dist. 154.8 pc (504.96 l.y.)
 
 
Coord 2000 19039+2642 Discov num A  2992 Comp Coord arcsec 2000 19 03 51.17 +26 41 38.1
Date first 1916 Date last 2016 Obs 43
Pa first 60 Pa last 44.4 P.A. Now (θ) 36.7°
Sep first 0.2 Sep last 0.167 Sep. Now (ρ) 0.167"
Mag pri 10.15 Mag sec 9.58 delta mag (ΔM) 0.57 Spectral class F8 (yellow-white)
Pri motion ra -007 Sec motion ra
Pri motion dec -084 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 337446 Constellation Lyra SAO 86758 HIP 93615
Tycho2 2130-00956-1 Gaia DR2 2036804818991564928 HD 337446 ADS 11998
BD BD+26 3437 Distance 154.8 Distance ly 504.96
 
 
ORBITAL ELEMENTS
 
 
Period (P)99y± 4 Periastron (T)1951.17y± 2 Semi-major axis (a)0.256a± 0.022
Eccentricity (e)0.835± 0.001 Inclination (i)114.5°± 4.5 Longitude of periastron (ω)255°± 1.5
Node (Ω)125.9°± 6 Notesn ReferenceDoc2009g
Equinox2000 Last observation1997 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 69.5 0.225
2001 68.4 0.223
2002 67.3 0.221
2003 66.2 0.219
2004 65.0 0.217
2005 63.9 0.214
2006 62.7 0.212
2007 61.4 0.209
2008 60.2 0.207
2009 58.9 0.204
2010 57.6 0.202
2011 56.2 0.199
2012 54.9 0.197
2013 53.4 0.194
2014 52.0 0.191
2015 50.5 0.189
2016 48.9 0.186
2017 47.3 0.183
2018 45.7 0.181
2019 44.0 0.178
2020 42.2 0.175
2021 40.4 0.173
2022 38.6 0.170
2023 36.7 0.167
2024 34.7 0.165
2025 32.7 0.162
2026 30.5 0.159
2027 28.4 0.157
2028 26.1 0.154
2029 23.8 0.152
2030 21.4 0.149


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


 
  


wds19039%2B2642b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19039+2642 A 2992 (HD 337446) : NOTES
 
 
discov_num notes refcode
A 2992 Only elements P, T, and a of the orbit of Dommanget (1978) were Dom1978
adjusted by Starikova (1981). Sta1981a
 
 
REFERENCES
 
 
refcode metd author reference
Doc2009g orb - Docobo, J.A. & Ling, J.F. 2009AJ....138.1159D
Doc2009g AJ 138, 1159, 2009
Dom1978 orb - Dommanget, J. 1978BAORB...9...47D
Dom1978 Bull. R. Astron. Obs. Belgium 9, 47-59, 1978
Sta1981a orb - Starikova, G.A. 1981SvAL....7..130S
Sta1981a SvAL 7, 130, 1981
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19039+2642 A 2992 1997 37 254 0.2 10.15 9.58 F8 NO 190351.17+264138.1
19039+2642 A 2992 2007 38 61 0.2 10.15 9.58 F8 NO 190351.17+264138.1
19039+2642 A 2992 2008 39 47 0.2 10.15 9.58 F8 NO 190351.17+264138.1
19039+2642 A 2992 2009 40 48 0.2 10.15 9.58 F8 NO 190351.17+264138.1
19039+2642 A 2992 2016 41 44 0.2 10.15 9.58 F8 NO 190351.17+264138.1

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

 
 
WDS 19039+2642 A 2992 (HD 337446) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19039+2642 A 2992 (HD 337446) : MEASURES
 
 
No records found.

 
 
WDS 19039+2642 (HD 337446) : VIRTUAL EYEPIECE
 
 

19039+2642 A 2992A mag 10.15 Sp F8 19039+2642 A 2992B sep 0.2 P.A. 41.20 mag 9.58 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 19039+2642 (HD 337446) : ALADIN DSS IMAGE @ 19h 03m 51.17s +26° 41' 38.1"
 
 
 
 
WDS 19039+2642 A 2992 (HD 337446) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19039+2642 A 2992 distance=0' 19036+2634 TDT1202 distance=8' 19025+2640 BRT 36AB distance=19' 19025+2640 LBU 4AC distance=19' 19052+2708 HJ 1365 distance=32' 19016+2624 TDT1187 distance=36' 19046+2607 BRT 188 distance=36' 19066+2646 COU 722 distance=38' 19038+2602 BU 52BC distance=39' 19038+2602 BU 52AB distance=39' 19034+2603 STF2444 distance=40' 19057+2717 HO 95 distance=43' 19019+2718 ES 479 distance=45' 19056+2724 HDS2709 distance=49' 19053+2555 EGN 24AB distance=51' 19053+2555 LLO 17AC distance=51' 19053+2555 LLO 17AD distance=51' 19029+2552 TDT1200 distance=52' 19015+2724 AG 370 distance=53' 19005+2716 TDT1178 distance=57' 19029+2742 ES 480AB distance=63' 19029+2742 WAK 3AC distance=63' 19012+2551 RAO 608 distance=63' 19041+2540 BRT 186 distance=63' 19083+2706 HO 98AB distance=64' 19083+2706 WAL 104AB,D distance=64' 19083+2706 HO 98AB,C distance=64' 19074+2558 STF2459 distance=65' 19075+2728 J 1205 distance=68' 19080+2601 GRF 5 distance=70' 19064+2743 MLR 538 distance=70' 19092+2656 HO 444 distance=74' 19038+2756 GCB 34 distance=74' 19069+2745 STF2458BC distance=76' 19069+2745 STF2458AB distance=76' 19069+2745 STF2458AC distance=76' 19083+2555 COU 420 distance=76' 19031+2757 J 811 distance=76' 19096+2641 TDS 972 distance=78' 19089+2603 TDT1250 distance=78' 18591+2730 A 261 distance=80' 19042+2519 BRT 187 distance=84' 19087+2734 RAO 406 distance=84' 18576+2633 TDT1148 distance=85' 19097+2715 TDT1262 distance=86' 18581+2605 TDT1151 distance=87' 19090+2739 L 44 distance=87' 19085+2746 DAM 289 distance=89' 19034+2511 A 2991 distance=91' 19101+2719 TDT1268 distance=92' 18587+2744 COU 817 distance=94' 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 19039+2642 A 2992 44 0.2
Show 19036+2634 TDT1202 5 0.5 8
Show 19025+2640 BRT 36 AB 47 4.9 19
Show 19025+2640 LBU 4 AC 235 51.4 19
Show 19052+2708 HJ 1365 323 19.3 32
Show 19016+2624 TDT1187 41 0.7 36
Show 19046+2607 BRT 188 318 3.7 36
Show 19066+2646 COU 722 335 1.0 38
Show 19038+2602 BU 52 BC 179 9.8 39
Show 19038+2602 BU 52 AB 298 51.4 39
Show 19034+2603 STF2444 307 22.2 40
Show 19057+2717 HO 95 143 0.2 43
Show 19019+2718 ES 479 142 8.1 45
Show 19056+2724 HDS2709 43 0.3 49
Show 19053+2555 EGN 24 AB 85 1.7 51
Show 19053+2555 LLO 17 AC 292 7.4 51
Show 19053+2555 LLO 17 AD 46 8.0 51
Show 19029+2552 TDT1200 172 2.8 52
Show 19015+2724 AG 370 340 4.0 53
Show 19005+2716 TDT1178 334 0.9 57
Show 19029+2742 ES 480 AB 273 2.4 63
Show 19029+2742 WAK 3 AC 357 1.1 63
Show 19012+2551 RAO 608 142 1.3 63
Show 19041+2540 BRT 186 174 3.7 63
Show 19083+2706 HO 98 AB 61 0.2 64
Show 19083+2706 WAL 104 AB,D 18 91.6 64
Show 19083+2706 HO 98 AB,C 107 28.4 64
Show 19074+2558 STF2459 232 13.8 65
Show 19075+2728 J 1205 317 3.6 68
Show 19080+2601 GRF 5 38 83.7 70
Show 19064+2743 MLR 538 69 11.3 70
Show 19092+2656 HO 444 67 1.3 74
Show 19038+2756 GCB 34 295 6.7 74
Show 19069+2745 STF2458 BC 60 82.0 76
Show 19069+2745 STF2458 AB 227 11.3 76
Show 19069+2745 STF2458 AC 62 71.0 76
Show 19083+2555 COU 420 99 1.3 76
Show 19031+2757 J 811 256 2.8 76
Show 19096+2641 TDS 972 310 0.8 78
Show 19089+2603 TDT1250 172 1.2 78
Show 18591+2730 A 261 193 3.7 80
Show 19042+2519 BRT 187 64 1.4 84
Show 19087+2734 RAO 406 184 0.6 84
Show 18576+2633 TDT1148 349 0.6 85
Show 19097+2715 TDT1262 92 0.7 86
Show 18581+2605 TDT1151 152 0.4 87
Show 19090+2739 L 44 177 4.8 87
Show 19085+2746 DAM 289 242 6.6 89
Show 19034+2511 A 2991 82 0.7 91
Show 19101+2719 TDT1268 225 0.5 92
Show 18587+2744 COU 817 199 1.1 94

 
 
WDS 19039+2642 : COMPONENTS
 
 
  A
B pa=41.2°
sep=0.16"
 
 
19039+2642 A
 
 
Componente originario normalizzato AB Name HD 337446 Coord arcsec 2000 190351.17+264138.1 Mag 10.15
Spectral class F8 (yellow-white) PmRA -7.00 PmDE -84.0 SAO 86758
HIP 93615 HD 337446 BD BD+26 3437
SAO
SAO 86758 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.085 Vmag 8.9 SpType F8
Double code Source 34 CatNum 9538 DM BD+26 3437
DMcomp BDsup HD 337446 M HD 1
GC RA1950rad 4.98216523 DE1950rad 0.46459575 PmRA2000 0
PmDE2000 -0.086
Hipparcos
Catalog H HIP 93615 Proxy H RAhms 19 03 51.17
DEdms +26 41 38.1 Vmag 8.98 VarFlag R Vmag G
RAdeg 285.963 DEdeg 26.6939 AstroRef * Plx 6.99
CCDM 19039+2642 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 257 Rho 0.241 HD 337446 BD BD+26 3437
CD CP Dm number +26 3437 VIred 0.58
SpType F8 R SpType Coord arcsec 2000 190351.17+264138.1
Hipparcos 2
HIP 93615 Sn 55 So 3 Nc 2
RArad 4.9909995158 DErad 0.4658968487 Plx 6.46 PmRA -7.3
PmDE -75.97 E RArad 0.73 E DErad 0.76 E Plx 1.13
E pmRA 0.95 E pmDE 1.05 Hpmag 9.0781 E Hpmag 0.0019
SHp 0.022 VA 0 BV 0.51 E BV 0.015
VI 0.58
CCDM
Ccdm 19039+2642 RComp Comp A Note1
Note2 Discov num DRAs -2.81 DDEs -22.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F8 PmNote *
PmRA 0 PmDE -73 Dm number +26 3437 Cat1 BD
Name2 +26 1973 Cat2 AGK2/3 HD M HD
ADS BDS A11998 M ADS BDS N IDS IDS 18598N2633A
HIC 93615
 
 
19039+2642 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190351.18+264138.2 Mag 9.58 Tycho2 2130-00956-1
Calc delta mag 0.57 Calc coord yes
Tycho2
Tycho2 2130-00956-1 Pflag RAmdeg 285.96318501 DEmdeg 26.69373954
PmRA -8.4 PmDE -75.7 E RAmdeg 9 E DEmdeg 8
E pmRA 1.3 E pmDE 1.1 EpRAm 1990.48 EpDEm 1990.75
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 9.615 E BTmag 0.019 VTmag 9.043
E VTmag 0.014 Prox 999 TYC T HIP 93615
CCDM AB RAdeg 285.96320694 DEdeg 26.69391500 EpRA 1990 1.48
EpDE 1990 1.66 E RAdeg 8.9 E DEdeg 7.8 Posflg P
Corr 0.0
CCDM
Ccdm 19039+2642 RComp Comp B Note1 *
Note2 Discov num A 2992 DRAs DDEs
R dRAs Year 1960 Theta 298 Rho 0.2
Obs 10 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11998 M ADS BDS N N IDS IDS 18598N2633B
HIC 93615