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Doubles in session


Current system
06374+0608
TRN 22 AB
V640 Mon


Nearby doubles
3' : 06376+0611
J 986

5' : 06373+0604
J 985

15' : 06364+0605
TRN 21AB

15' : 06370+0622
UC 90

16' : 06382+0557
COU 3AB

21' : 06387+0616
J 1965

21' : 06387+0614
HEI9009

25' : 06365+0548
A 2820

34' : 06392+0628
HEI 332

34' : 06379+0641
OCC9012

35' : 06351+0614
HEI 845

35' : 06351+0616
TDS3944

38' : 06399+0557
J 695

38' : 06371+0531
A 2821AB

42' : 06378+0528
J 987

50' : 06393+0649
TDS4005

50' : 06365+0521
J 984

53' : 06346+0535
J 664

55' : 06359+0519
STF 939AB

60' : 06410+0542
STF 949

64' : 06413+0540
OL 154

65' : 06412+0638
BRT2122

66' : 06358+0508
J 265

66' : 06414+0542
DAM 43

67' : 06343+0520
SLE 300AB

67' : 06418+0605
J 2748



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.

06374+0608 TRN 22 AB (V640 Mon)

 
 
06h 37m 24.04s +06° 08' 07.4" P.A. 251.00 sep 1.2 mag 6.06,11.00 Sp O8I dist. 9090.91 pc (29654.55 l.y.)
 
 
Coord 2000 06374+0608 Discov num TRN  22 Comp AB Coord arcsec 2000 06 37 24.04 +06 08 07.4
Date first 2002 Date last 2011 Obs 4
Pa first 240 Pa last 250.6 P.A. Now (θ) 250.6°
Sep first 1.2 Sep last 1.19 Sep. Now (ρ) 1.19"
Mag pri 6.06 Mag sec 11.00 delta mag (ΔM) 4.94 Spectral class O8I (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
06374+0608 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 114146 06 37 24 +06 08 07 SNA 3 Aa,Ab 2018 2 38 0.0 5.80 9.80 4.00
Show V640 Mon 114146 06 37 24 +06 08 07 TRN 22 AB 2011 4 251 1.2 6.06 11.00 4.94 <===
Show 114146 06 37 24 +06 08 07 TRN 22 AC 2005 1 203 0.8 6.06 11.00 4.94
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V640 Mon Constellation Monoceros SAO 114146 HIP 31646
Tycho2 0158-01594-1 Gaia DR2 3131898712119719936 HD 47129 HR 2422
BD BD+06 1309 Distance 9090.91 Distance ly 29654.55
 
 
WDS 06374+0608 TRN 22 AB (V640 Mon) : NOTES
 
 
discov_num notes refcode
SNA 3 Aa,Ab: The primary is the spectroscopic binary V640 Mon, aka
Plaskett's star. Period ~14.4d (Linder et al. 2008, A&A 489, 713). It
is the only O-type binary known with a magnetic star. Sna2014
The classification is from Bagnuolo & Barry (1996). Bgn1992
We took the mass ratio from Bagnuolo et al. (1992) Msn1998a
 
 
REFERENCES
 
 
refcode metd author reference
Bgn1992 orb - Bagnuolo, W.G., Mason, B.D., Barry, D., Hartkopf, W., & McAlister, H.A. 1992AJ....103.1399B
Bgn1992 AJ 103, 1399, 1992
Msn1998a Sc j Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., 1998AJ....115..821M
Msn1998a ten Brummelaar, T.A., & McAlister, H.A.
Msn1998a AJ 115, 821, 1998
Sna2014 Kv j Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L., 2014ApJS..215...15S
Sna2014 +A Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A.,
Sna2014 Kratter, K., Schnurr, O., & Zinnecker, H.
Sna2014 ApJS 215, 15, 2014
Sna2014 (NACO companions in Table 6 assumed physical if quoted probability of spurious
Sna2014 detection <10%, optical if >90%, otherwise indeterminate)
 
 
DISCOVERER
 
 
discov author
BGN Bagnuolo, W.G. & McAlister, H.A.
BGN McKibben, W.P., Bagnuolo, W.G., Gies, D.R., Hahula, M.E., Hartkopf, W.I., Roberts,
BGN L.C., Bolton, C.T., Fullerton, A.W., et al.
BGN Bagnuolo, W.G., Taylor, S.F., McAlister, H.A., ten Brummelaar, T.A., Gies, D.R.,
BGN Ridgway, S.T., Sturmann, J., Sturmann, L., et al.
MSN Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G.,
MSN ten Brummelaar, T.A., & McAlister, H.A.
MSN Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
MSN Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
MSN Mason, B.D., Hartkopf, W.I., Raghavan, D., Subasavage, J.P., Roberts, L.C., Jr.,
MSN Turner, N.H., & ten Brummelaar, T.A.
SNA Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L.,
SNA Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A.,
SNA Kratter, K., Schnurr, O., & Zinnecker, H.
TRN Turner, N.H., ten Brummelaar, T.A., McAlister, H.A., Mason, B.D., Hartkopf, W.I.,
TRN & Roberts, L.C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
06374+0608 TRN 22 AB 2005 2 251 1.2 6.06   +06 1309 N 063724.04+060807.4
06374+0608 TRN 22 AB 2008 3 252 1.2 6.06   +06 1309 N 063724.04+060807.4
06374+0608 TRN 22 AB 2011 4 251 1.2 6.06 11.00 O8p +06 1309 N 063724.04+060807.4

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

 
 
WDS 06374+0608 TRN 22 AB (V640 Mon) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06374+0608 TRN 22 AB (V640 Mon) : MEASURES
 
 
No records found.

 
 
WDS 06374+0608 (V640 Mon) : VIRTUAL EYEPIECE
 
 

06374+0608 TRN 22A mag 6.06 Sp O8I 06374+0608 SNA 3Ab mag 9.8 Sp O8.5 06374+0608 TRN 22B sep 1.2 P.A. 250.60 mag 11 06374+0608 TRN 22C sep 0.8 P.A. 203.00 mag 11 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 06374+0608 (V640 Mon) : ALADIN DSS IMAGE @ 06h 37m 24.04s +06° 08' 07.4"
 
 
 
 
WDS 06374+0608 TRN 22 AB (V640 Mon) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06374+0608 TRN 22AB distance=0' 06376+0611 J 986 distance=3' 06373+0604 J 985 distance=5' 06364+0605 TRN 21AB distance=15' 06364+0605 FGS 7Aa,Ab distance=15' 06370+0622 UC 90 distance=15' 06382+0557 COU 3AB distance=16' 06382+0557 COU 3AC distance=16' 06387+0616 J 1965 distance=21' 06387+0614 HEI9009 distance=21' 06365+0548 A 2820 distance=25' 06392+0628 HEI 332 distance=34' 06379+0641 OCC9012 distance=34' 06351+0614 HEI 845 distance=35' 06351+0616 TDS3944 distance=35' 06399+0557 J 695 distance=38' 06371+0531 A 2821AB distance=38' 06378+0528 J 987 distance=42' 06393+0649 TDS4005 distance=50' 06365+0521 J 984 distance=50' 06346+0535 J 664 distance=53' 06359+0519 STF 939BC distance=55' 06359+0519 STF 939AB distance=55' 06359+0519 ABH 47AD distance=55' 06359+0519 STF 939AC distance=55' 06410+0542 STF 949 distance=60' 06413+0540 OL 154 distance=64' 06412+0638 BRT2122 distance=65' 06358+0508 J 265 distance=66' 06414+0542 DAM 43 distance=66' 06343+0520 SKF2831Ca,Cb distance=67' 06343+0520 SLE 300AB distance=67' 06343+0520 SLE 300AC distance=67' 06418+0605 J 2748 distance=67' 06329+0611 TDS3911 distance=67' 06328+0600 J 662 distance=70' 06369+0720 KPP3684 distance=73' 06332+0528 SLE 299 distance=75' 06323+0543 J 661AB distance=76' 06323+0543 DAM 42AC distance=76' 06323+0543 DAM 42AD distance=76' 06372+0452 BRT2121 distance=76' 06358+0456 WSI 156CD distance=76' 06358+0456 BAL3003AB distance=77' 06358+0456 WSI 156AC distance=77' 06358+0456 WSI 156AD distance=77' 06373+0725 GWP 814 distance=78' 06358+0454 BAL2673 distance=78' 06322+0600 SLE 294 distance=79' 06387+0724 GWP 819AB distance=79' 06387+0724 GWP 819AC distance=79' 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 06374+0608 TRN 22 AB 251 1.2 0
Show 06374+0608 TRN 22 AC 203 0.8 0
Show 06374+0608 SNA 3 Aa,Ab 38 0.0 0
Show 06376+0611 J 986 248 5.9 3
Show 06373+0604 J 985 82 3.9 5
Show 06364+0605 TRN 21 AB 210 3.2 15
Show 06364+0605 FGS 7 Aa,Ab 259 0.1 15
Show 06370+0622 UC 90 119 9.4 15
Show 06382+0557 COU 3 AB 181 1.1 16
Show 06382+0557 COU 3 AC 211 10.7 16
Show 06387+0616 J 1965 264 8.5 21
Show 06387+0614 HEI9009 352 3.5 21
Show 06365+0548 A 2820 51 4.7 25
Show 06392+0628 HEI 332 235 3.3 34
Show 06379+0641 OCC9012 196 0.3 34
Show 06351+0614 HEI 845 28 1.2 35
Show 06351+0616 TDS3944 152 1.6 35
Show 06399+0557 J 695 151 2.5 38
Show 06371+0531 A 2821 AB 220 3.2 38
Show 06378+0528 J 987 92 4.4 42
Show 06393+0649 TDS4005 186 0.6 50
Show 06365+0521 J 984 307 5.1 50
Show 06346+0535 J 664 203 3.6 53
Show 06359+0519 STF 939 BC 3 33.6 55
Show 06359+0519 STF 939 AB 107 30.3 55
Show 06359+0519 ABH 47 AD 304 34.9 55
Show 06359+0519 STF 939 AC 51 39.6 55
Show 06410+0542 STF 949 289 3.6 60
Show 06413+0540 OL 154 234 5.1 64
Show 06412+0638 BRT2122 5 3.1 65
Show 06358+0508 J 265 245 4.1 66
Show 06414+0542 DAM 43 83 2.9 66
Show 06343+0520 SKF2831 Ca,Cb 147 1.8 67
Show 06343+0520 SLE 300 AB 130 4.4 67
Show 06343+0520 SLE 300 AC 6 7.1 67
Show 06418+0605 J 2748 50 7.5 67
Show 06329+0611 TDS3911 132 0.5 67
Show 06328+0600 J 662 107 4.7 70
Show 06369+0720 KPP3684 24 2.2 73
Show 06332+0528 SLE 299 309 10.4 75
Show 06323+0543 J 661 AB 138 3.8 76
Show 06323+0543 DAM 42 AC 66 7.7 76
Show 06323+0543 DAM 42 AD 320 8.5 76
Show 06372+0452 BRT2121 91 5.9 76
Show 06358+0456 WSI 156 CD 292 11.0 76
Show 06358+0456 BAL3003 AB 247 15.8 77
Show 06358+0456 WSI 156 AC 22 5.3 77
Show 06358+0456 WSI 156 AD 318 12.2 77
Show 06373+0725 GWP 814 224 41.2 78
Show 06358+0454 BAL2673 217 11.5 78
Show 06322+0600 SLE 294 250 16.3 79

 
 
WDS 06374+0608 : COMPONENTS
 
 
  A Ab B
Ab pa=37.5°
sep=0.03"
 
B pa=250.6°
sep=1.19"
pa=249.8°
sep=1.22"
 
C pa=203.0°
sep=0.78"
pa=203.6°
sep=0.81"
pa=111.5°
sep=0.88"
 
 
06374+0608 A
 
 
Name V640 Mon Coord arcsec 2000 063724.04+060807.4 Mag 6.06 Spectral class O8I (blue)
PmRA -2.00 PmDE 1.0 HIP 31646 Tycho2 0158-01594-1
HD 47129 HR 2422 BD BD+06 1309
Tycho2
Tycho2 0158-01594-1 Pflag RAmdeg 99.35017388 DEmdeg 6.13538304
PmRA -2.1 PmDE 0.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.65 EpDEm 1991.64
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.7 BTmag 6.071 E BTmag 0.014 VTmag 6.071
E VTmag 0.010 Prox 999 TYC T HIP 31646
CCDM RAdeg 99.35017861 DEdeg 6.13538167 EpRA 1990 1.82
EpDE 1990 1.81 E RAdeg 3.9 E DEdeg 4.2 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 31646 Proxy RAhms 06 37 24.04
DEdms +06 08 07.4 Vmag 6.05 VarFlag 2 R Vmag H
RAdeg 99.3502 DEdeg 6.13538 AstroRef Plx -0.74
CCDM -1.84 N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+06 1309
CD CP Dm number +06 1309 VIred 0.15
SpType O8e R SpType Coord arcsec 2000 063724.04+060807.4
Hipparcos 2
HIP 31646 Sn 5 So 0 Nc 1
RArad 1.7339877314 DErad 0.1070825874 Plx -0.11 PmRA -2.73
PmDE 0.31 E RArad 0.39 E DErad 0.26 E Plx 0.43
E pmRA 0.35 E pmDE 0.29 Hpmag E Hpmag 0.0033
SHp 0.018 VA 2 BV 0.018 E BV 0.007
VI 0.04
 
 
06374+0608 Ab
 
 
Coord arcsec 2000 063724.04+060807.4 Mag 9.8 Spectral class O8.5 (blue) Delta magnitude 4
Coordinate calculated yes
 
 
06374+0608 B
 
 
Coord arcsec 2000 063723.96+060807.0 Mag 11 Delta magnitude 5.2 Coordinate calculated yes
 
 
06374+0608 C
 
 
Coord arcsec 2000 063724.02+060806.7 Mag 11 Delta magnitude 5.2 Coordinate calculated yes