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Current system
07319+3613
BEU 11 Aa,Ab


Nearby doubles
31' : 07325+3543
POP 105

34' : 07310+3644
COU1885

35' : 07295+3556
UC 1586AB

39' : 07304+3647
ES 2626

42' : 07339+3648
SKF1562

43' : 07285+3608
AG 141

44' : 07328+3531
SKF1555

44' : 07341+3539
HJ 3294

45' : 07340+3650
ALI 581

45' : 07303+3534
ALI 107AB

45' : 07300+3535
SKF1550

46' : 07314+3528
HJ 3293

47' : 07356+3557
RAS 5

50' : 07299+3531
LDS3743

52' : 07289+3648
SKF1548

53' : 07358+3549
COU1887

63' : 07361+3650
ES 2157

63' : 07324+3715
SKF1554

63' : 07298+3710
HDS1057

63' : 07346+3519
MLB 931

64' : 07291+3521
HU 621

67' : 07374+3601
ALI 350

76' : 07361+3517
CBL 26

77' : 07367+3523
STF1117AB

78' : 07314+3730
SKF1552

78' : 07318+3731
ALI 580



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.

07319+3613 BEU 11 Aa,Ab

 
 
07h 31m 57.72s +36° 13' 09.8" P.A. 190.00 sep 1.6 mag 14.10,16.80 Sp M2.5V+M5V dist. 11.87 pc (38.72 l.y.)
 
 
Coord 2000 07319+3613 Discov num BEU  11 Comp Aa,Ab Coord arcsec 2000 07 31 57.72 +36 13 09.8
Date first 2000 Date last 2018 Obs 20
Pa first 197 Pa last 189.7 P.A. Now (θ) 189.7°
Sep first 0.7 Sep last 1.557 Sep. Now (ρ) 1.557"
Mag pri 14.10 Mag sec 16.80 delta mag (ΔM) 2.7 Spectral class M2.5V+M5V (red/red)
Pri motion ra -224 Sec motion ra
Pri motion dec -213 Sec motion dec
Notes N O R (See Notes, Orbital solution, Red magnitudes)
This double is physical.
 
 
07319+3613 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 07 31 58 +36 13 10 BEU 11 Aa,Ab 2018 20 190 1.6 14.10 16.80 2.70 Y <===
Show VV Lyn 07 31 58 +36 13 10 LDS 6206 AB 2017 18 352 37.5 10.52 11.82 1.30
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name VV Lyn Constellation Lynx HIP 36626 Tycho2 2465-00984-1
GL Gl 277B BD BD+36 1638 Distance 11.87 Distance ly 38.72
 
 
ORBITAL ELEMENTS
 
 
Period (P)53y± 9.2 Periastron (T)71033d (2053.358y)± 12032 Semi-major axis (a)1058m± 113
Eccentricity (e)0.48± 0.14 Inclination (i)93.53°± 0.48 Longitude of periastron (ω)22°± 332
Node (Ω)10.22°± 0.44 Notesn ReferenceMnA2019
Equinox Last observation2017 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 9.3 0.535
2001 7.7 0.450
2002 4.9 0.322
2003 357.3 0.169
2004 276.4 0.043
2005 205.2 0.176
2006 198.2 0.335
2007 195.7 0.485
2008 194.3 0.625
2009 193.5 0.753
2010 192.9 0.870
2011 192.4 0.975
2012 192.0 1.070
2013 191.6 1.154
2014 191.4 1.228
2015 191.1 1.293
2016 190.9 1.348
2017 190.6 1.395
2018 190.4 1.434
2019 190.2 1.464
2020 190.1 1.487
2021 189.9 1.502
2022 189.7 1.510
2023 189.5 1.511
2024 189.3 1.505
2025 189.1 1.493
2026 189.0 1.474
2027 188.8 1.448
2028 188.6 1.417
2029 188.4 1.379
2030 188.1 1.335


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


 
  


wds07319%2B3613a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 07319+3613 BEU 11 Aa,Ab : NOTES
 
 
discov_num notes refcode
LDS6206 Ross 989, VYS 246. Component A is VV Lyn, so designated because of
starspots, later also found to be a flare star. Spectrum of B dM4.5e.
Period is about 16.3d with a amplitude of 0.06 mag. Component B is Skf2019g
BL Lyn, period about 17.6d with an amplitude of 0.06 mag.
AB: NLTT 17999/17998 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
MnA2019 C j Mann, A.W., Dupuy, T., Kraus, A.L., Gaidos, E., Ansdell, M., Ireland, M., Rizzuto, 2019ApJ...871...63M
MnA2019 +orb A.C., Hung, C..-L., Dittmann, J., Factor, S., Feiden, G., Martinez, R.A.,
MnA2019 Ruiz-Rodriguez, D. & Chia Thao, P.
MnA2019 ApJ 871, 63, 2019
Skf2019g Z j Skiff, B.A. ...................
Skf2019g private communication, 2019 (8 October email)
 
 
DISCOVERER
 
 
idgroup discov author
1 BEU Beuzit, J.-L., Segransan, D., Forveille, T., Udry, S., Delfosse, X., Mayor, M.,
1 BEU Perrier, C., Hainaut, M.-C., et al.
2 LDS Luyten p.m. catalog (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
07319+3613 BEU 11 Aa,Ab 2000 1 195 0.7 10.52   M2.5 D 073157.72+361309.8
07319+3613 BEU 11 Aa,Ab 2008 2 189 1.4 10.52   M2.5 NO 073157.72+361309.8
07319+3613 BEU 11 Aa,Ab 2013 4 194 1.5 10.52   M2.5V+M5V NO 073157.72+361309.8
07319+3613 BEU 11 Aa,Ab 2015 5 190 1.6 10.52   M2.5V+M5V NO 073157.72+361309.8
07319+3613 BEU 11 Aa,Ab 2018 8 190 1.6 14.10 16.80 M2.5V+M5V NO R 073157.72+361309.8

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

 
 
WDS 07319+3613 BEU 11 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07319+3613 BEU 11 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 07319+3613 : VIRTUAL EYEPIECE
 
 

07319+3613 LDS6206A mag 10.52 Sp M2.5V 07319+3613 BEU 11Ab sep 1.6 P.A. 187.90 mag 16.8 Sp M5V 07319+3613 LDS6206B sep 37.4 P.A. 353.90 mag 11.82 Sp M4V 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 07319+3613 : ALADIN DSS IMAGE @ 07h 31m 57.72s +36° 13' 09.8"
 
 
 
 
WDS 07319+3613 BEU 11 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07319+3613 BEU 11Aa,Ab distance=0' 07325+3543 POP 105 distance=31' 07310+3644 COU1885 distance=34' 07295+3556 JNN 57Aa,Ab distance=35' 07295+3556 UC 1586AB distance=35' 07304+3647 ES 2626 distance=39' 07339+3648 SKF1562 distance=42' 07285+3608 AG 141 distance=43' 07328+3531 SKF1555 distance=44' 07341+3539 HJ 3294 distance=44' 07340+3650 ALI 581 distance=45' 07303+3534 TDS4870Aa,Ab distance=45' 07303+3534 ALI 107AB distance=45' 07300+3535 SKF1550 distance=45' 07314+3528 HJ 3293 distance=46' 07356+3557 RAS 5 distance=47' 07299+3531 LDS3743 distance=50' 07289+3648 SKF1548 distance=52' 07358+3549 COU1887 distance=53' 07361+3650 ES 2157 distance=63' 07324+3715 SKF1554 distance=63' 07298+3710 HDS1057 distance=63' 07346+3519 MLB 931 distance=63' 07291+3521 HU 621 distance=64' 07374+3601 ALI 350 distance=67' 07361+3517 CBL 26 distance=76' 07367+3523 STF1117AB distance=77' 07314+3730 SKF1552 distance=78' 07318+3731 ALI 580 distance=78' 07336+3458 BRT3248 distance=79' 07332+3734 ES 2100 distance=81' 07384+3644 HZG 5AB distance=83' 07384+3644 LMP 5AD distance=83' 07277+3509 CVR 466 distance=83' 07295+3448 STT 172 distance=91' 07379+3519 SHN 115 distance=91' 07274+3728 UC 109 distance=93' 07243+3619 HDS1039 distance=93' 07247+3700 CRB 75 distance=99' 07282+3746 COU2070 distance=104' 07285+3437 CBL 24 distance=105' 07385+3503 BU 200AB distance=107' 07385+3503 BU 200AC distance=107' 07342+3758 GRV 738 distance=109' 07385+3503 BU 200CD distance=109' 07385+3503 BU 200CE distance=109' 07406+3534 ALI 112 distance=112' 07226+3600 LDS3734 distance=116' 07225+3554 DAL 16 distance=116' 07384+3742 COU2071 distance=118' 07262+3749 ALI 834 distance=119' 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 07319+3613 BEU 11 Aa,Ab 190 1.6
Show 07319+3613 LDS6206 AB 352 37.5
Show 07325+3543 POP 105 49 0.8 31
Show 07310+3644 COU1885 353 0.4 34
Show 07295+3556 JNN 57 Aa,Ab 26 0.1 35
Show 07295+3556 UC 1586 AB 135 95.9 35
Show 07304+3647 ES 2626 303 13.9 39
Show 07339+3648 SKF1562 79 2.7 42
Show 07285+3608 AG 141 33 4.5 43
Show 07328+3531 SKF1555 9 1.5 44
Show 07341+3539 HJ 3294 182 5.1 44
Show 07340+3650 ALI 581 312 12.0 45
Show 07303+3534 TDS4870 Aa,Ab 120 0.6 45
Show 07303+3534 ALI 107 AB 174 7.7 45
Show 07300+3535 SKF1550 288 1.8 45
Show 07314+3528 HJ 3293 301 12.3 46
Show 07356+3557 RAS 5 20 0.1 47
Show 07299+3531 LDS3743 312 292.8 50
Show 07289+3648 SKF1548 218 2.0 52
Show 07358+3549 COU1887 173 1.9 53
Show 07361+3650 ES 2157 223 1.2 63
Show 07324+3715 SKF1554 179 4.5 63
Show 07298+3710 HDS1057 7 0.1 63
Show 07346+3519 MLB 931 339 3.3 63
Show 07291+3521 HU 621 317 2.6 64
Show 07374+3601 ALI 350 58 11.0 67
Show 07361+3517 CBL 26 286 22.0 76
Show 07367+3523 STF1117 AB 228 11.6 77
Show 07314+3730 SKF1552 179 0.9 78
Show 07318+3731 ALI 580 222 5.8 78
Show 07336+3458 BRT3248 22 4.0 79
Show 07332+3734 ES 2100 187 3.0 81
Show 07384+3644 HZG 5 AB 357 83.9 83
Show 07384+3644 LMP 5 AD 19 149.2 83
Show 07277+3509 CVR 466 89 8.4 83
Show 07295+3448 STT 172 251 15.1 91
Show 07379+3519 SHN 115 -1 0.1 91
Show 07274+3728 UC 109 76 9.4 93
Show 07243+3619 HDS1039 355 0.5 93
Show 07247+3700 CRB 75 57 28.4 99
Show 07282+3746 COU2070 109 0.3 104
Show 07285+3437 CBL 24 86 34.2 105
Show 07385+3503 BU 200 AB 193 104.7 107
Show 07385+3503 BU 200 AC 101 156.4 107
Show 07342+3758 GRV 738 54 48.4 109
Show 07385+3503 BU 200 CD 247 1.8 109
Show 07385+3503 BU 200 CE 207 18.0 109
Show 07406+3534 ALI 112 214 5.2 112
Show 07226+3600 LDS3734 180 119.2 116
Show 07225+3554 DAL 16 323 30.4 116
Show 07384+3742 COU2071 58 1.2 118

 
 
WDS 07319+3613 : COMPONENTS
 
 
  A Ab
Ab pa=187.9°
sep=1.55"
 
B pa=353.9°
sep=37.39"
pa=354.4°
sep=38.89"
 
 
07319+3613 A
 
 
Var name VV Lyn Coord arcsec 2000 073157.72+361309.8 Mag 10.52 Spectral class M2.5V (red)
PmRA -246.00 PmDE -214.0 HIP 36626 Tycho2 2465-00984-1
BD BD+36 1638
Tycho2
Tycho2 2465-00984-1 Pflag RAmdeg 112.99044037 DEmdeg 36.21930685
PmRA -251.9 PmDE -257.1 E RAmdeg 48 E DEmdeg 64
E pmRA 3.3 E pmDE 3.1 EpRAm 1988.18 EpDEm 1983.87
Num 4 Q RAmdeg 1.7 Q DEmdeg 0.7 Q pmRA 1.7
Q pmDE 0.7 BTmag 12.507 E BTmag 0.257 VTmag 10.716
E VTmag 0.074 Prox 382 TYC T HIP 36626
CCDM RAdeg 112.99115306 DEdeg 36.21990250 EpRA 1990 1.79
EpDE 1990 1.66 E RAdeg 48.5 E DEdeg 68.1 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 36626 Proxy RAhms 07 31 57.88
DEdms +36 13 11.7 Vmag 10.52 VarFlag R Vmag G
RAdeg 112.991 DEdeg 36.2199 AstroRef Plx 87.61
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+36 1638
CD CP Dm number +36 1638 VIred 1.77
SpType M3.5Ve R SpType Coord arcsec 2000 073157.88+361311.7
Hipparcos 2
HIP 36626 Sn 5 So 0 Nc 1
RArad 1.9720680062 DErad 0.6321568424 Plx 84.26 PmRA -227.39
PmDE -218.85 E RArad 2.7 E DErad 2.15 E Plx 3.45
E pmRA 4.33 E pmDE 2.07 Hpmag 10.6377 E Hpmag 0.0095
SHp 0.057 VA 0 BV 1.439 E BV 0.006
VI 1.77
 
 
07319+3613 Ab
 
 
Coord arcsec 2000 073157.70+361308.3 Mag 16.8 Spectral class M5V (red) Calc delta mag 2.7
Calc coord yes
 
 
07319+3613 B
 
 
Coord arcsec 2000 073157.39+361347.0 Mag 11.82 Spectral class M4V (red) PmRA -268.00
PmDE -259.0 HIP 36627 Calc delta mag 2.28 Calc coord yes
Hipparcos
Catalog H HIP 36627 Proxy RAhms 07 31 57.51
DEdms +36 13 49.6 Vmag 11.82 VarFlag R Vmag G
RAdeg 112.99 DEdeg 36.2305 AstroRef Plx 87.15
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CP Dm number VIred 2.51
SpType M4 R SpType Coord arcsec 2000 073157.51+361349.6
Hipparcos 2
HIP 36627 Sn 5 So 0 Nc 1
RArad 1.9720413309 DErad 0.6323407268 Plx 83.46 PmRA -252.96
PmDE -257.46 E RArad 3.11 E DErad 2.5 E Plx 4.07
E pmRA 5.01 E pmDE 2.4 Hpmag 11.7809 E Hpmag 0.012
SHp 0.063 VA 0 BV 1.567 E BV 0.02
VI 2.51