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Doubles in session


Current system
04375+1509
CHR 153
V998 Tau


Nearby doubles
26' : 04381+1457
LDS5582

33' : 04390+1534
HU 1218

38' : 04358+1441
LDS6134

40' : 04397+1443
KPP1825

41' : 04387+1546
KOH 19AB

42' : 04347+1516
KPP1072

51' : 04375+1418
HDS 597AB

52' : 04378+1418
LDS5581AB

52' : 04340+1510
CHR 17AB

52' : 04396+1551
LDS3604

53' : 04393+1555
STFA 11

54' : 04382+1602
BUP 65AB

58' : 04412+1531
HEI 37

64' : 04365+1611
LDS2257

66' : 04359+1407
LDS1179

66' : 04389+1406
MET 41

67' : 04356+1609
ISM 2

68' : 04372+1401
HEI 103

72' : 04424+1526
LDS3605

82' : 04385+1630
LDS2260

85' : 04317+1502
GUE 6

86' : 04359+1631
BU 550AB
Aldebaran

86' : 04328+1600
CHR 152

86' : 04415+1405
RAO 550

89' : 04421+1609
LDS2265

90' : 04399+1631
BU 1044



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.

04375+1509 CHR 153 (V998 Tau)

 
 
04h 37m 31.98s +15° 08' 47.2" P.A. 137.00 sep 0.6 mag 7.60,11.10 Sp G0 dist. 50 pc (163.1 l.y.)
 
 
Coord 2000 04375+1509 Discov num CHR 153 Comp Coord arcsec 2000 04 37 31.98 +15 08 47.2
Date first 1989 Date last 2021 Obs 18
Pa first 37 Pa last 137.2 P.A. Now (θ) 137.2°
Sep first 0.2 Sep last 0.615 Sep. Now (ρ) 0.615"
Mag pri 7.60 Mag sec 11.10 delta mag (ΔM) 3.5 Spectral class G0 (yellow)
Pri motion ra +103 Sec motion ra
Pri motion dec -028 Sec motion dec
Notes N C (See Notes, Has orbit and linear solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V998 Tau Constellation Taurus SAO 94040 HIP 21543
Tycho2 1266-00112-1 Gaia DR2 3309493715722074880 HD 29310 GC 5629
BD BD+14 728 Distance 50 Distance ly 163.1
 
 
ORBITAL ELEMENTS
 
 
Period (P)124.9y± 22.6 Periastron (T)2049.6y± 12.5 Semi-major axis (a)0.667a± 0.08
Eccentricity (e)0.2 Inclination (i)73.7°± 1.8 Longitude of periastron (ω)260.5°± 44.3
Node (Ω)324°± 2.2 Notesn ReferenceTok2021b
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 99.8 0.302
2001 103.5 0.319
2002 106.8 0.337
2003 109.7 0.355
2004 112.4 0.374
2005 114.8 0.392
2006 117.0 0.411
2007 119.0 0.429
2008 120.8 0.447
2009 122.5 0.465
2010 124.1 0.482
2011 125.5 0.499
2012 126.9 0.515
2013 128.2 0.530
2014 129.4 0.545
2015 130.6 0.559
2016 131.7 0.571
2017 132.7 0.583
2018 133.7 0.594
2019 134.7 0.603
2020 135.7 0.612
2021 136.6 0.619
2022 137.5 0.624
2023 138.4 0.629
2024 139.3 0.632
2025 140.2 0.633
2026 141.1 0.633
2027 142.0 0.631
2028 142.8 0.627
2029 143.7 0.622
2030 144.7 0.614


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


 
  


wds04375%2B1509c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier04375+1509
coord_arcsec_2000043731.98+150847.2
Period (P)2.0097y± 0.0009 Periastron (T)1999.818y± 0.011 Semi-major axis (a)0.037a
Eccentricity (e)0.405± 0.014 Inclination (i)144° Longitude of periastron (ω)339.2°± 3
Node (Ω)319.3°± 11.1 Notes ReferenceTok2021b
Equinox Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 274.2 0.024
2001 144.1 0.051
2002 277.2 0.024
2003 144.7 0.051
2004 280.2 0.024
2005 145.4 0.051
2006 283.3 0.024
2007 146.1 0.051
2008 286.3 0.024
2009 146.8 0.051
2010 289.4 0.024
2011 147.5 0.051
2012 292.6 0.024
2013 148.1 0.051
2014 295.8 0.023
2015 148.8 0.051
2016 299.0 0.023
2017 149.5 0.051
2018 302.2 0.023
2019 150.1 0.051
2020 305.5 0.023
2021 150.8 0.051
2022 308.8 0.023
2023 151.5 0.051
2024 312.2 0.023
2025 152.2 0.051
2026 315.6 0.023
2027 152.8 0.051
2028 319.1 0.022
2029 153.5 0.051
2030 322.6 0.022


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


 
  


wds04375%2B1509r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04375+1509 CHR 153 (V998 Tau) : NOTES
 
 
discov_num notes refcode
CHR 153 1991.9021: Reprocessing of archival speckle data have confirmed this
already strong detection and have shown a change in theta of 15 deg in
2.7 yr. CHR 153 cannot be the 2-yr spectroscopic system of Griffin Grf1988
et al. (1988). In the Hyades. Msn1993a
The preliminary orbital solution is clearly in error as the visual Ole2003b
companion shows only linear motion. It can be another member of the Hrt2012a
Hyades or a wide pair in projection. The acceleration could be Hrt2012a
produced by the 1.8 yr SB companion. Tok2012a
This is not the 734.2-d spectroscopic binary of Griffin but a more Grf2012b
distant companion.
Rectilinear solution by Hartkopf et al. (2012). Hrt2012a
 
 
REFERENCES
 
 
refcode metd author reference
Grf1988 not - Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A. 1988AJ.....96..172G
Grf1988 AJ 96, 172, 1988
Grf2012b not - Griffin, R.F. 2012JApA...33...29G
Grf2012b J Astrophys Astron 33, 29, 2012
Hrt2012a orb - Hartkopf, W.I., Tokovinin, A., & Mason, B.D. 2012AJ....143...42H
Hrt2012a +lin AJ 143, 42, 2012
Msn1993a Sc j Mason, B.D., McAlister, H.A., Hartkopf, W.I., & Bagnuolo, W.G. 1993AJ....105..220M
Msn1993a AJ 105, 220, 1993
Ole2003b orb - Olevic, D. & Cvetkovic, Z. 2003IAUDS.150....1O
Ole2003b Inf. Circ. 150, 1, 2003
Tok2012a A j Tokovinin, A., Hartnung, M., Hayward, T.L., & Makarov, V.V. 2012AJ....144....7T
Tok2012a AJ 144, 7, 2012
Tok2021b orb Tokovinin, A. 2021AJ....161..144T
Tok2021b AJ 161, 144, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04375+1509 CHR 153 1996 3 80 0.2 7.54   G0 NO 043731.98+150847.2
04375+1509 CHR 153 2008 4 123 0.5 7.54   G0 NO 043731.98+150847.2
04375+1509 CHR 153 2010 7 126 0.5 7.54   G0 NO 043731.98+150847.2
04375+1509 CHR 153 2015 8 131 0.6 7.60 11.10 G0 NL 043731.98+150847.2
04375+1509 CHR 153 2016 11 132 0.6 7.60 11.10 G0 NL 043731.98+150847.2
04375+1509 CHR 153 2018 12 135 0.6 7.60 11.10 G0 NL 043731.98+150847.2
04375+1509 CHR 153 2019 13 135 0.6 7.60 11.10 G0 NC 043731.98+150847.2
04375+1509 CHR 153 2020 14 137 0.6 7.60 11.10 G0 NC 043731.98+150847.2
04375+1509 CHR 153 2021 18 137 0.6 7.60 11.10 G0 NC 043731.98+150847.2

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

 
 
WDS 04375+1509 CHR 153 (V998 Tau) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04375+1509 CHR 153 (V998 Tau) : MEASURES
 
 
No records found.

 
 
WDS 04375+1509 (V998 Tau) : VIRTUAL EYEPIECE
 
 

04375+1509 CHR 153A mag 7.6 Sp G0 04375+1509 CHR 153B sep 0.6 P.A. 138.20 mag 11.1 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 04375+1509 (V998 Tau) : ALADIN DSS IMAGE @ 04h 37m 31.98s +15° 08' 47.2"
 
 
 
 
WDS 04375+1509 CHR 153 (V998 Tau) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04375+1509 CHR 153 distance=0' 04381+1457 LDS5582 distance=26' 04390+1534 HU 1218 distance=33' 04358+1441 LDS6134 distance=38' 04397+1443 KPP1825 distance=40' 04387+1546 KOH 19AB distance=41' 04387+1546 KOH 19AC distance=41' 04347+1516 KPP1072 distance=42' 04340+1510 RAO 548CD distance=42' 04375+1418 HDS 597CD distance=51' 04375+1418 HDS 597AB distance=51' 04375+1418 HDS 597AC distance=51' 04378+1418 LDS5581AB distance=52' 04378+1418 LDS5581Aa,Ab distance=52' 04340+1510 CHR 17AB distance=52' 04396+1551 LDS3604 distance=52' 04393+1555 STFA 11 distance=53' 04382+1602 PAT 12Aa,Ab distance=54' 04382+1602 BUP 65AB distance=54' 04412+1531 HEI 37 distance=58' 04365+1611 LDS2257 distance=64' 04359+1407 LDS1179 distance=66' 04389+1406 MET 41 distance=66' 04356+1609 ISM 2 distance=67' 04372+1401 HEI 103 distance=68' 04424+1526 LDS3605 distance=72' 04385+1630 LDS2260 distance=82' 04317+1502 GUE 6 distance=85' 04306+1542 TOK 486KL distance=85' 04359+1631 BU 550AB (Aldebaran) distance=86' 04359+1631 STFB 2AC (Aldebaran) distance=86' 04359+1631 BU 1031AE (Aldebaran) distance=86' 04359+1631 BU 1031AF (Aldebaran) distance=86' 04328+1600 CHR 152 distance=86' 04415+1405 RAO 550 distance=86' 04359+1631 BU 1031CD distance=87' 04317+1538 WOR 16FM distance=89' 04317+1538 LDS1174FN distance=89' 04421+1609 LDS2265 distance=89' 04399+1631 BU 1044 distance=90' 04344+1630 OL 107 distance=91' 04404+1631 CHR 154 distance=93' 04319+1551 OCC9093 distance=93' 04404+1346 LDS5583 distance=93' 04345+1631 XMI 300AB distance=93' 04345+1631 DAM 344AC distance=93' 04439+1441 LDS3610 distance=95' 04434+1558 BPM 103 distance=99' 04308+1440 UC 1175 distance=102' 04318+1409 HEI 101 distance=103' 04309+1547 TDS2876 distance=103' 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 04375+1509 CHR 153 137 0.6
Show 04381+1457 LDS5582 161 9.2 26
Show 04390+1534 HU 1218 73 1.7 33
Show 04358+1441 LDS6134 82 37.9 38
Show 04397+1443 KPP1825 3 14.2 40
Show 04387+1546 KOH 19 AB 199 9.6 41
Show 04387+1546 KOH 19 AC 313 10.8 41
Show 04347+1516 KPP1072 66 8.5 42
Show 04340+1510 RAO 548 CD -1 -1.0 42
Show 04375+1418 HDS 597 CD 32 5.6 51
Show 04375+1418 HDS 597 AB 80 6.6 51
Show 04375+1418 HDS 597 AC 19 27.8 51
Show 04378+1418 LDS5581 AB 262 144.1 52
Show 04378+1418 LDS5581 Aa,Ab 339 2.2 52
Show 04340+1510 CHR 17 AB 293 0.2 52
Show 04396+1551 LDS3604 191 28.1 52
Show 04393+1555 STFA 11 194 444.0 53
Show 04382+1602 PAT 12 Aa,Ab 140 0.2 54
Show 04382+1602 BUP 65 AB 47 138.7 54
Show 04412+1531 HEI 37 62 4.2 58
Show 04365+1611 LDS2257 37 119.8 64
Show 04359+1407 LDS1179 110 8.4 66
Show 04389+1406 MET 41 77 7.2 66
Show 04356+1609 ISM 2 141 0.0 67
Show 04372+1401 HEI 103 144 2.4 68
Show 04424+1526 LDS3605 279 30.4 72
Show 04385+1630 LDS2260 98 6.4 82
Show 04317+1502 GUE 6 26 0.5 85
Show 04306+1542 TOK 486 KL 40 999.9 85
Show Aldebaran 04359+1631 BU 550 AB 113 31.6 86
Show Aldebaran 04359+1631 STFB 2 AC 31 136.5 86
Show Aldebaran 04359+1631 BU 1031 AE 323 36.1 86
Show Aldebaran 04359+1631 BU 1031 AF 121 254.9 86
Show 04328+1600 CHR 152 162 0.2 86
Show 04415+1405 RAO 550 262 0.3 86
Show 04359+1631 BU 1031 CD 294 0.1 87
Show 04317+1538 WOR 16 FM 326 4.1 89
Show 04317+1538 LDS1174 FN 336 12.1 89
Show 04421+1609 LDS2265 231 75.1 89
Show 04399+1631 BU 1044 202 0.6 90
Show 04344+1630 OL 107 330 4.4 91
Show 04404+1631 CHR 154 180 0.5 93
Show 04319+1551 OCC9093 -1 0.0 93
Show 04404+1346 LDS5583 288 8.2 93
Show 04345+1631 XMI 300 AB 333 23.3 93
Show 04345+1631 DAM 344 AC 201 5.6 93
Show 04439+1441 LDS3610 346 42.4 95
Show 04434+1558 BPM 103 190 63.5 99
Show 04308+1440 UC 1175 6 29.7 102
Show 04318+1409 HEI 101 193 2.8 103
Show 04309+1547 TDS2876 273 0.5 103

 
 
WDS 04375+1509 : COMPONENTS
 
 
  A
B pa=138.2°
sep=0.61"
 
 
04375+1509 A
 
 
Componente originario normalizzato AB Name V998 Tau Coord arcsec 2000 043731.98+150847.2 Mag 7.6
Spectral class G0 (yellow) PmRA 103.00 PmDE -28.0 SAO 94040
HIP 21543 Tycho2 1266-00112-1 HD 29310 GC 5629
BD BD+14 728
Tycho2
Tycho2 1266-00112-1 Pflag RAmdeg 69.38329240 DEmdeg 15.14643853
PmRA 101.8 PmDE -25.0 E RAmdeg 5 E DEmdeg 6
E pmRA 0.7 E pmDE 0.7 EpRAm 1990.86 EpDEm 1990.32
Num 23 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 8.272 E BTmag 0.016 VTmag 7.608
E VTmag 0.011 Prox 999 TYC T HIP 21543
CCDM RAdeg 69.38305000 DEdeg 15.14649806 EpRA 1990 1.75
EpDE 1990 1.45 E RAdeg 4.9 E DEdeg 6.1 Posflg
Corr -0.2
SAO
SAO 94040 DelFlag RA1950 PmRA1950 0.0065
DE1950 PmDE1950 -0.041 Vmag 7.8 SpType G0
Double code Source 70 CatNum 5629 DM BD+14 728
DMcomp BDsup HD 29310 M HD 0
GC 5629 RA1950rad 1.19853563 DE1950rad 0.26261708 PmRA2000 0.0065
PmDE2000 -0.042
Hipparcos
Catalog H HIP 21543 Proxy RAhms 04 37 31.93
DEdms +15 08 47.4 Vmag 7.53 VarFlag R Vmag H
RAdeg 69.383 DEdeg 15.1465 AstroRef Plx 23.54
CCDM N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 29310 BD BD+14 728
CD CP Dm number +14 728 VIred 0.66
SpType G1V R SpType Coord arcsec 2000 043731.93+150847.4
Hipparcos 2
HIP 21543 Sn 1 So 1 Nc 1
RArad 1.210962462 DErad 0.2643562596 Plx 20 PmRA 95.83
PmDE -19.09 E RArad 1.36 E DErad 0.89 E Plx 1.59
E pmRA 1.82 E pmDE 1.31 Hpmag 7.6601 E Hpmag 0.0019
SHp 0.013 VA 0 BV 0.597 E BV 0.012
VI 0.67
CCDM
Ccdm 04375+1509 RComp Comp A Note1
Note2 Discov num DRAs 1.97 DDEs -13.1
R dRAs 81 Year Theta Rho
Obs 2 Vmag 7.5 Sp G0 PmNote @
PmRA 93 PmDE -32 Dm number +14 728 Cat1 BD
Name2 +15 390 Cat2 AGK2/3 HD 29310 M HD
ADS BDS M ADS BDS N IDS W IDS 04375+1509A
HIC 21543
 
 
04375+1509 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 043732.01+150846.7 Mag 11.1 Calc delta mag 3.5
Calc coord yes
CCDM
Ccdm 04375+1509 RComp Comp B Note1
Note2 Discov num CHR 153 DRAs DDEs
R dRAs Year 1989 Theta 217 Rho 0.2
Obs 2 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS W IDS 04375+1509B
HIC 21543