08095-4720 DUN 65 BD (Suhail al muhlif)

 
 
08h 09m 29.32s -47° 20' 43.0" P.A. 117.00 sep 94.4 mag 4.14,9.40 Sp B1IV+O9I
 
 
Coord 2000 08095-4720 Discov num DUN  65 Comp BD Coord arcsec 2000 08 09 29.32 -47 20 43.0
Date first 1851 Date last 2015 Obs 9
Pa first 115 Pa last 116.7 P.A. Now (θ) 116.7°
Sep first 95.9 Sep last 94.44 Sep. Now (ρ) 94.44"
Mag pri 4.14 Mag sec 9.40 delta mag (ΔM) 5.26 Spectral class B1IV+O9I (blue-white/blue)
Pri motion ra -001 Sec motion ra -006
Pri motion dec +010 Sec motion dec +010
Notes N (See Notes)
rPM=0.429
Nature of this double is uncertain.
 
 
08095-4720 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 219504 08 09 32 -47 20 12 TOK 2 Aa,Ab 1997 1 13 4.7 2.10 13.40 11.30
Show Gam2 Vel 219504 08 09 32 -47 20 12 DUN 65 AB 2017 41 221 41.2 1.79 4.14 2.35
Show 219504 08 09 32 -47 20 12 DUN 65 AC 2015 23 152 62.4 1.79 7.26 5.47
Show 219504 08 09 32 -47 20 12 DUN 65 AD 2000 10 142 93.9 1.79 9.25 7.46
Show 219504 08 09 29 -47 20 43 WSI 55 Ba,Bb 2009 2 307 0.0 4.40 5.90 1.50
Show Suhail al muhlif 219504 08 09 29 -47 20 43 DUN 65 BC 2015 19 113 60.9 4.14 7.26 3.12
Show Suhail al muhlif 219504 08 09 29 -47 20 43 DUN 65 BD 2015 9 117 94.4 4.14 9.40 5.26 <===
Show 08 09 35 -47 21 07 DUN 65 CD 2015 13 123 33.9 7.26 9.25 1.99
Show 08 09 38 -47 21 26 I 1175 DE 2015 5 147 1.6 9.40 12.80 3.40
Septuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Suhail al muhlif Var name NSV3930 Vel Constellation Vela SAO 219504
Tycho2 8140-06534-1 Gaia DR2 5519266900766220800 HD 68243 HR 3206
GC 11103 DM CD-46 3849 Bayer Gamma 1 Velorum Bayer name Gam1 Vel
FK5 309 Bayer greek γ1 Vel
Other names Regor
Meaning smooth top, horizontal
 
 
WDS 08095-4720 DUN 65 BD (Suhail al muhlif) : NOTES
 
 
discov_num notes refcode
DUN 65 A: gam 2 Vel. Spectrum WC8+O7.5e, probably the nearest Wolf Rayet.
B: gam 1 Vel. CD-46@3846. Variable, spectrum B1IV.
AB: Both components are spectroscopic binaries.
The AB pair was formerly known as DUN 64.
I 1175 DE: DE is I 1175 (= RST 4878) at 08 09.5 -47 25.
The Hipparcos distance suggests a position in front of the Vel OB2
association (van der Hucht et al. 1997 NewA 2, 245; Schaerer et al.
1997 ApJ 484, L153) at a distance of 258 +41/-31 pc; however, the
Hipparcos distances for the B stars in Vel OB2 (Brandt et al. 1971 ApJ
1623, L99) yield a comparable distance of 317 +/- 42 pc. This is also
consistent with the distance from the resolution of the binary by
Hanbury Brown et al. (1970) of 350 +/- 50 pc. Thus, we have chosen to HBr1970
keep gam 2 Vel as a member of Vel OB2. Classification is from van der
Hucht et al. (1997). The B component was also observed and appeared
to be single. Classifications of the B, C, and D components are from Msn1998a
Hoffleit & Warren (1991). Hof1991
TOK 2 Aa: The primary is a close WR+O binary. Although the pair is
unresolved, VLTI/AMBER observations on 2004.984 over baselines of
46-85m and wavelength range 1950-2170 nm are fit by a binary model
giving a separation of 3.65 +/- 0.06 mas, position angle 72.7 +/- 8.7
deg, flux ratio 0.62 +/- 0.04 (dm 0.52 +/- 0.07 mag. MiF2007
Intensity Interferometer Limb-darkened diameter 0.44 +/- 0.05 mas. HBr1974
 
 
REFERENCES
 
 
refcode metd author reference
HBr1970 - Hanbury Brown, R., Davis, J., Herbison-Evans, D., & Allen, L.R. 1970MNRAS.148..103H
HBr1970 MNRAS 148, 103, 1970
HBr1974 - Hanbury Brown, R., Davis, J., & Allen, L.R. 1974MNRAS.167..121H
HBr1974 MNRAS 167, 121, 1974
Hof1991 - Hoffleit, D. & Jaschek, C. 1991bsc..book.....H
Hof1991 The Bright Star Catalogue, Fifth Revised Edition (preliminary version), 1991
MiF2007 Kv - Millour, F., Petrov, R.G., Chesneau, O., Bonneau, D., Dessart, L., Bechet, C., 2007A&A...464..107M
MiF2007 Tallon-Bosc, I., Tallon, M., Thiebaut, E., Vakili, F., Malbet, F., Mourard, D.,
MiF2007 et al.
MiF2007 A&A 464, 107, 2007
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
 
 
DISCOVERER
 
 
idgroup discov author
1 DUN Dunlop, J.
3 I Innes, R.T.A.
7 I MNRAS 57, 533, 1897 (data also in I__1897b,
7 I I__1897c)
93 TOK Tokovinin, A.A.
140 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
140 TOK Weigelt, G.
154 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
154 TOK Martinez, M., & Mondaca, E.
222 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
222 TOK Ratzloff, J. & Walter, F.M.
305 WSI Douglass, G.G., Hindsley, R.B., & Worley, C.E.
314 WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
314 WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
317 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
317 WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
318 WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
318 WSI Hennessy, G.S., Platais, I., et al.
319 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
319 WSI Hennessy, G.S., Rafferty, T.J., et al.
346 WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
346 WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
356 WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
356 WSI M., Kilian, C.M. & Warner, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08095-4720 DUN 65 BD 2000 6 117 94.5 4.14 9.40 N 080929.32-472043.0
08095-4720 DUN 65 BD 2015 9 117 94.4 4.14 9.40 B1IV+O9I N 080929.32-472043.0

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WDS 08095-4720 DUN 65 BD (Suhail al muhlif) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08095-4720 DUN 65 BD (Suhail al muhlif) : MEASURES
 
 
No records found.

 
 
WDS 08095-4720 (Suhail al muhlif) : VIRTUAL EYEPIECE
 
 

08095-4720 DUN  65A mag 1.79 Sp WC8 08095-4720 TOK   2Ab sep 4.7 P.A. 9.10 mag 13.4 Sp O9I 08095-4720 DUN  65B sep 41.1 P.A. 220.70 mag 4.14 Sp B1IV 08095-4720 WSI  55Bb sep 41.1 P.A. 220.70 mag 5.9 08095-4720 DUN  65C sep 62.3 P.A. 152.20 mag 7.26 Sp O9I 08095-4720 I  1175D sep 93.5 P.A. 142.00 mag 9.4 Sp O9I 08095-4720 I  1175E sep 94.9 P.A. 142.20 mag 12.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 08095-4720 (Suhail al muhlif) : ALADIN DSS IMAGE @ 08h 09m 29.32s -47° 20' 43.0"
 
 
 
 
WDS 08095-4720 DUN 65 BD (Suhail al muhlif) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


08095-4720  DUN  65BD (Suhail al muhlif) distance=0' 08095-4720  TOK   2Aa,Ab distance=1' 08095-4720  DUN  65AB distance=1' 08095-4720  DUN  65AC distance=1' 08095-4720  DUN  65AD distance=1' 08095-4720  DUN  65CD distance=2' 08095-4720  I  1175DE distance=2' 08107-4700  BRT 731 distance=25' 08112-4654  KPP3740 distance=33' 08140-4725  TDS5635 distance=47' 08136-4700  GLI  87 distance=48' 08050-4705  RST4875 distance=49' 08069-4638  TDS5542 distance=51' 08091-4631  BRT 730 distance=51' 08142-4659  BRT 733 distance=54' 08050-4652  TDS5508 distance=55' 08147-4708  RST4881 distance=55' 08071-4811  RST5285AB distance=57' 08114-4628  CPO 196 distance=57' 08063-4809  SKF  75CD distance=58' 08043-4747  HU 1433 distance=59' 08147-4654  RST 311 distance=60' 08142-4641  KPP 172 distance=62' 08113-4621  TDS5607 distance=63' 08037-4658  TDS5490 distance=63' 08115-4619  DON 230 distance=65' 08040-4648  CPO 189 distance=66' 08145-4806  KPP1698 distance=68' 08118-4824  RST5286 distance=68' 08053-4626  CPO 192 distance=70' 08119-4614  WFC  64AB distance=72' 08125-4616  CHR 143Aa,Ab distance=72' 08125-4616  SEE  96AB distance=72' 08121-4613  CPO  37 distance=74' 08037-4634  HJ 4043 distance=76' 08171-4721  TDS5678 distance=78' 08112-4604  RST4879 distance=80' 08124-4607  TOI 580 distance=81' 08094-4559  TDS5578 distance=82' 08137-4831  RST 308 distance=82' 08017-4650  BRT 726 distance=86' 08104-4553  TDS5595 distance=88' 08029-4820  HDS1145 distance=89' 08150-4613  DON 231 distance=89' 08164-4626  TOI 666 distance=90' 08095-4550  DON1070 distance=91' 08066-4847  SKF  76 distance=91' 08183-4708  HJ 4080 distance=91' 08008-4749  HJ 4033 distance=93' 08108-4852  SKF 476 distance=93' 08136-4558  COO  69AB distance=94' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 08095-4720 WSI 55 Ba,Bb 307 0.0
Show Suhail al muhlif 08095-4720 DUN 65 BC 113 60.9
Show Suhail al muhlif 08095-4720 DUN 65 BD 117 94.4
Show 08095-4720 TOK 2 Aa,Ab 13 4.7 1
Show 08095-4720 DUN 65 AB 221 41.2 1
Show 08095-4720 DUN 65 AC 152 62.4 1
Show 08095-4720 DUN 65 AD 142 93.9 1
Show 08095-4720 DUN 65 CD 123 33.9 2
Show 08095-4720 I 1175 DE 147 1.6 2
Show 08107-4700 BRT 731 25 3.8 25
Show 08112-4654 KPP3740 278 1.6 33
Show 08140-4725 TDS5635 59 1.7 47
Show 08136-4700 GLI 87 344 34.8 48
Show 08050-4705 RST4875 270 2.4 49
Show 08069-4638 TDS5542 96 0.8 51
Show 08091-4631 BRT 730 93 4.1 51
Show 08142-4659 BRT 733 56 4.6 54
Show 08050-4652 TDS5508 335 0.7 55
Show 08147-4708 RST4881 337 0.2 55
Show 08071-4811 RST5285 AB 279 0.9 57
Show 08114-4628 CPO 196 76 4.1 57
Show 08063-4809 SKF 75 CD 190 18.3 58
Show 08043-4747 HU 1433 221 2.3 59
Show 08147-4654 RST 311 156 0.9 60
Show 08142-4641 KPP 172 147 3.4 62
Show 08113-4621 TDS5607 80 0.4 63
Show 08037-4658 TDS5490 322 0.5 63
Show 08115-4619 DON 230 150 2.6 65
Show 08040-4648 CPO 189 34 4.0 66
Show 08145-4806 KPP1698 205 13.1 68
Show 08118-4824 RST5286 193 7.8 68
Show 08053-4626 CPO 192 37 3.9 70
Show 08119-4614 WFC 64 AB 67 8.7 72
Show 08125-4616 CHR 143 Aa,Ab 160 0.0 72
Show 08125-4616 SEE 96 AB 270 0.6 72
Show 08121-4613 CPO 37 325 4.2 74
Show 08037-4634 HJ 4043 227 18.2 76
Show 08171-4721 TDS5678 328 0.5 78
Show 08112-4604 RST4879 31 1.2 80
Show 08124-4607 TOI 580 303 4.9 81
Show 08094-4559 TDS5578 28 0.7 82
Show 08137-4831 RST 308 197 1.5 82
Show 08017-4650 BRT 726 247 3.2 86
Show 08104-4553 TDS5595 169 1.8 88
Show 08029-4820 HDS1145 352 0.4 89
Show 08150-4613 DON 231 298 0.7 89
Show 08164-4626 TOI 666 257 0.2 90
Show 08095-4550 DON1070 81 6.1 91
Show 08066-4847 SKF 76 327 30.7 91
Show 08183-4708 HJ 4080 221 5.8 91
Show 08008-4749 HJ 4033 70 13.2 93

 
 
WDS 08095-4720 : COMPONENTS
 
 
  A Ab B Bb C D
Ab pa=9.1°
sep=4.65"
 
B pa=220.7°
sep=41.15"
pa=217.6°
sep=45.18"
 
Bb pa=220.7°
sep=41.15"
pa=217.6°
sep=45.18"
pa=317.5°
sep=0.03"
 
C pa=152.2°
sep=62.30"
pa=154.6°
sep=66.08"
pa=113.1°
sep=60.79"
pa=113.2°
sep=60.82"
 
D pa=142.0°
sep=93.49"
pa=144.0°
sep=96.72"
pa=116.7°
sep=94.45"
pa=116.7°
sep=94.48"
pa=123.2°
sep=33.99"
 
E pa=142.2°
sep=94.91"
pa=144.2°
sep=98.15"
pa=117.3°
sep=95.58"
pa=117.3°
sep=95.61"
pa=124.5°
sep=35.22"
pa=156.4°
sep=1.46"
 
 
08095-4720 A
 
 
Name Gam2 Vel Coord arcsec 2000 080931.96-472011.8 Mag 1.79 Spectral class WC8 (Wolf-Rayet)
PmRA -6.00 PmDE 10.0 HIP 39953 Tycho2 8140-06533-1
HD 68273 HR 3207 GC 11105 CD CD-46 3847
CP CP-46 2202 Bayer Gamma 2 Velorum Bayer name Gam2 Vel FK5 309
Hipparcos
Catalog H HIP 39953 Proxy RAhms 08 09 31.96
DEdms -47 20 11.8 Vmag 1.75 VarFlag 1 R Vmag H
RAdeg 122.383 DEdeg -47.3366 AstroRef Plx 3.88
CCDM 08095-4721 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 68273 BD
CD CD-46 3847 CP CP-46 2202 Dm number -46 3847 VIred -0.14
SpType WC8 + O9I R SpType Coord arcsec 2000 080931.96-472011.8
Hipparcos 2
HIP 39953 Sn 7 So 0 Nc 1
RArad 2.1359888699 DErad -0.8261797305 Plx 2.92 PmRA -6.07
PmDE 10.43 E RArad 0.25 E DErad 0.25 E Plx 0.3
E pmRA 0.3 E pmDE 0.32 Hpmag 1.7034 E Hpmag 0.0016
SHp 0.012 VA 2 BV -0.145 E BV 0.008
VI -0.14
 
 
08095-4720 Ab
 
 
Coord arcsec 2000 080932.03-472007.2 Mag 13.4 Spectral class O9I (blue) Calc delta mag 11.3
Calc coord yes
 
 
08095-4720 B
 
 
Common name Suhail al muhlif Meaning smooth top, horizontal Other names Regor Coord arcsec 2000 080929.32-472043.0
Coord calc 080929.32-472043.0 Mag 4.14 Spectral class B1IV (blue-white) PmRA -1.00
PmDE 10.0 SAO 219504 Tycho2 8140-06534-1 HD 68243
HR 3206 DM CD-46 3846 Bayer Gamma 1 Velorum Bayer name Gam1 Vel
Calc delta mag 2.04
Tycho2
Tycho2 8140-06534-1 Pflag RAmdeg 122.37218000 DEmdeg -47.34527805
PmRA -0.6 PmDE 9.7 E RAmdeg 3 E DEmdeg 3
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.65 EpDEm 1991.57
Num 12 Q RAmdeg 1.7 Q DEmdeg 1.3 Q pmRA 1.8
Q pmDE 1.2 BTmag 3.944 E BTmag 0.014 VTmag 4.143
E VTmag 0.009 Prox 412 TYC T HIP
CCDM RAdeg 122.37218194 DEdeg -47.34530056 EpRA 1990 1.75
EpDE 1990 1.67 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.1
SAO
SAO 219504 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 0.004 Vmag 1.9 SpType Oap
Double code Source 74 CatNum 309 DM CD-46 3847
DMcomp BDsup HD 68273 M HD 0
GC 11105 RA1950rad 2.12926277 DE1950rad -0.82359327 PmRA2000 -0.0001
PmDE2000 0.005
 
 
08095-4720 Bb
 
 
Coord arcsec 2000 080929.32-472043.0 Mag 5.9 Calc delta mag 3.8 Calc coord yes
 
 
08095-4720 C
 
 
Coord arcsec 2000 080934.82-472106.9 Coord calc 080934.82-472106.9 Mag 7.26 Spectral class O9I (blue)
PmRA -4.00 PmDE 5.0 Tycho2 8140-06535-1 DM CD-46 3848
Calc delta mag 5.16
Tycho2
Tycho2 8140-06535-1 Pflag RAmdeg 122.39510223 DEmdeg -47.35194221
PmRA -6.2 PmDE 8.6 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.0 EpRAm 1990.88 EpDEm 1990.99
Num 11 Q RAmdeg 1.7 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.8 BTmag 7.221 E BTmag 0.015 VTmag 7.262
E VTmag 0.011 Prox 609 TYC T HIP
CCDM RAdeg 122.39512333 DEdeg -47.35196167 EpRA 1990 1.67
EpDE 1990 1.77 E RAdeg 6.4 E DEdeg 6.1 Posflg
Corr -0.2
 
 
08095-4720 D
 
 
Coord arcsec 2000 080937.62-472125.5 Coord calc 080937.62-472125.5 Mag 9.4 Spectral class O9I (blue)
PmRA -6.00 PmDE 10.0 DM CD-46 3849 Calc delta mag 7.3
 
 
08095-4720 E
 
 
Coord arcsec 2000 080937.68-472126.8 Mag 12.8 Calc delta mag 10.7 Calc coord yes