20181+4044 TAR 5 AD

 
 
20h 18m 06.99s +40° 43' 55.6" P.A. 181.00 sep 49.6 mag 5.96,11.00 Sp O9V+B9V dist. 595.24 pc (1941.67 l.y.)
 
 
Coord 2000 20181+4044 Discov num TAR   5 Comp AD Coord arcsec 2000 20 18 06.99 +40 43 55.6
Date first 1887 Date last 2006 Obs 8
Pa first 182 Pa last 180.6 P.A. Now (θ) 180.6°
Sep first 49.4 Sep last 49.63 Sep. Now (ρ) 49.63"
Mag pri 5.96 Mag sec 11.00 delta mag (ΔM) 5.04 Spectral class O9V+B9V (blue/blue-white)
Pri motion ra -003 Sec motion ra -002
Pri motion dec -007 Sec motion dec -006
Notes N (See Notes)
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
20181+4044 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 49438 20 18 07 +40 43 56 CHR 96 Aa,Ab 2018 31 151 0.1 6.60 6.80 0.20 Y
Show HD 193322 49438 20 18 07 +40 43 56 STF 2666 AB 2018 86 245 2.8 5.96 8.24 2.28
Show 49438 20 18 07 +40 43 56 STF 2666 AC 2006 13 207 34.0 5.96 10.70 4.74
Show 49438 20 18 07 +40 43 56 TAR 5 AD 2006 8 181 49.6 5.96 11.00 5.04 <===
Show 20 18 06 +40 43 25 STF 2666 CD 2018 13 142 24.1 10.70 11.00 0.30
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 49438 HIP 100069 Tycho2 3155-02321-1
Gaia DR2 2062360626011542272 HD 193322 HR 7767 ADS 13672
BD BD+40 4103 Distance 595.24 Distance ly 1941.67
 
 
WDS 20181+4044 TAR 5 AD : NOTES
 
 
discov_num notes refcode
CHR 96 Aa,Ab: 1985.8396, 1988.6630, 1989.7061: These new observations were
found from reprocessing unpublished archival data. We are currently McA1993
undertaking a duplicity survey of all bright (V<8) galactic O stars;
this is one of four new binaries found by us so far in this survey. McA1987a
This system is also a known spectroscopic binary, and we are
reanalyzing archival radial velocity data in an attempt to derive
masses via a combined interferometric/spectroscopic orbit (see Gies et Gie1993
al. 1993 for a similar combined solution of the O star 15 Mon).
The estimated period of the speckle binary orbit (CHR 96 Aa) is 31 y.
The orbit quality rating in Table 1 is our own. The system is
currently unresolved with the Mt. Wilson Hooker telescope, but we
continue to observe this target. The brighter star of the speckle
pair is also a 311-day, single-lined spectroscopic binary (McKibben et Bgn1998
al. 1998). The classifications of the C and D components are from Hof1991
Hoffleit & Warren (1991). Msn1998a
Cluster/Main-Sequence fitting determines a cluster distance of Rbr2010b
741 +/- 36 pc.
CHR 96 ten Brummelaar et al. (2011) use a combination of spectroscopic and CIA2011b
CIA 6 astrometric data, including speckle and CHARA Array long-baseline
interferometry, to derive orbits for both the Aa,Ab and Ab1,Ab2 pairs.
Masses for Aa, Ab1, and Ab2 are 21, 23, and 9 Msun, respectively,
effective temperatures are 33, 32.5, and 20 kK.
Distance to Collinder 419 is 1006(+37-34) pc, yielding a mass sum of MzA2019b
76.1(+9.9-7.4) \msun.
 
 
REFERENCES
 
 
refcode metd author reference
Bgn1998 orb - McKibben, W.P., Bagnuolo, W.G., Gies, D.R., Hahula, M.E., Hartkopf, W.I., Roberts, 1998PASP..110..900M
Bgn1998 L.C., Bolton, C.T., Fullerton, A.W., et al.
Bgn1998 PASP 110, 900, 1998
CIA2011b Kf j ten Brummelaar, T.A., O'Brien, D.P., Mason, B.D., Farrington, C.D., 2011AJ....142...21T
CIA2011b +Xh Fullerton, A.W., Gies, D.R., Grundstrom, E.D., Hartkopf, W.I., et al.
CIA2011b +orb AJ 142, 21, 2011
Gie1993 Sc - Gies, D.R., Mason, B.D., Hartkopf, W.I., McAlister, H.A., Frazin, R.A., Hahula, 1993AJ....106.2072G
Gie1993 M.E., Penny, L.R., Thaller, M.L., et al.
Gie1993 AJ 106, 2072, 1993
Hof1991 - Hoffleit, D. & Jaschek, C. 1991bsc..book.....H
Hof1991 The Bright Star Catalogue, Fifth Revised Edition (preliminary version), 1991
McA1987a Sc j McAlister, H.A., Hartkopf, W., Hutter, D., Shara, M., & Franz, O. 1987AJ.....92..183M
McA1987a AJ 92, 183, 1987
McA1993 Sc j McAlister, H.A., Mason, B.D., Hartkopf, W.I., & Shara, M.M. 1993AJ....106.1639M
McA1993 +orb AJ 106, 1639, 1993
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
MzA2019b orb+- Maiz Apellaniz, J. 2019A&A...630A.119M
MzA2019b +not A&A 630, 119, 2019
Rbr2010b C - Roberts, L.C., Jr., Gies, D.R., Parks, J.R., Grundstrom, E.D., McSwain, M., 2010AJ....140..744R
Rbr2010b Berger, D., Mason, B., ten Brummelaar, T. & Turner, N.
Rbr2010b AJ 140, 744, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
3 STF Struve, F.G.W.
36 TAR Tarrant, K.J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181+4044 TAR 5 AD 2006 7 181 49.6 5.80 10.40 O9V D 201806.99+404355.6

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

 
 
WDS 20181+4044 TAR 5 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20181+4044 TAR 5 AD : MEASURES
 
 
No records found.

 
 
WDS 20181+4044 : VIRTUAL EYEPIECE
 
 

20181+4044 STF2666A mag 5.96 Sp O9IV 20181+4044 CHR  96Ab sep 0.1 P.A. 156.80 mag 6.8 20181+4044 STF2666B sep 2.2 P.A. 238.20 mag 8.24 Sp B1.5 20181+4044 STF2666C sep 34.4 P.A. 206.70 mag 10.7 Sp B8V 20181+4044 TAR   5D sep 49.6 P.A. 180.50 mag 11 Sp B9V virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20181+4044 : ALADIN DSS IMAGE @ 20h 18m 06.99s +40° 43' 55.6"
 
 
 
 
WDS 20181+4044 TAR 5 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20181+4044  TAR   5AD distance=0' 20181+4044  STF2666CD distance=1' 20184+4033  ARN  49 distance=12' 20177+4030  HDS2897 distance=15' 20176+4020  BRT2259 distance=26' 20169+4022  BU  661AB distance=26' 20169+4022  BU  661AC distance=26' 20170+4017  CNT   5 distance=30' 20187+4113  COU2640 distance=31' 20197+4108  STTA205 distance=31' 20207+4031  TDT2193 distance=33' 20158+4024  TDS1055 distance=33' 20155+4030  A   390 distance=34' 20210+4041  TDT2199 distance=34' 20204+4021  TDT2186 distance=35' 20181+4122  ES 1674 distance=39' 20148+4035  TDT2118 distance=39' 20185+4123  TDT2154 distance=40' 20163+4007  MLB1013 distance=43' 20144+4048  TDT2113 distance=43' 20171+4127  ARN  97 distance=45' 20221+4042  ES 1676 distance=46' 20205+4127  LI    4 distance=47' 20205+4122  LI    5AB distance=47' 20205+4122  FAB  15AC distance=47' 20151+4118  A   387CD distance=48' 20151+4118  A   387AB distance=48' 20151+4118  A   387AC distance=48' 20178+3956  HJ 2951AB distance=49' 20178+3956  FOX9014AC distance=49' 20199+4000  MLB1015 distance=49' 20138+4055  TDT2106 distance=50' 20137+4050  DOO  13 distance=51' 20198+3958  MLB1014 distance=51' 20144+4112  TDT2112 distance=51' 20183+3953  BKO 822 distance=51' 20136+4040  TDT2104 distance=52' 20186+4136  ES 1675 distance=52' 20203+3958  BRT2260 distance=53' 20143+4115  COU2639 distance=54' 20184+3950  A  1424 distance=55' 20222+4015  BU  665A,BC (Sadr) distance=55' 20133+4038  GRV 324 distance=55' 20222+4015  BU  665BC,D distance=56' 20222+4015  BU  665BC distance=56' 20212+4128  A   287 distance=56' 20231+4048  GRF  15 distance=57' 20231+4047  J   787AB distance=57' 20231+4047  J   787AC distance=57' 20231+4047  J   787AD distance=57' 20231+4037  TDT2228 distance=57' 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 20181+4044 CHR 96 Aa,Ab 151 0.1
Show 20181+4044 STF2666 AB 245 2.8
Show 20181+4044 STF2666 AC 207 34.0
Show 20181+4044 TAR 5 AD 181 49.6
Show 20181+4044 STF2666 CD 142 24.1 1
Show 20184+4033 ARN 49 313 30.2 12
Show 20177+4030 HDS2897 273 0.3 15
Show 20176+4020 BRT2259 29 1.4 26
Show 20169+4022 BU 661 AB 69 12.3 26
Show 20169+4022 BU 661 AC 217 111.7 26
Show 20170+4017 CNT 5 331 5.9 30
Show 20187+4113 COU2640 265 0.5 31
Show 20197+4108 STTA205 321 45.5 31
Show 20207+4031 TDT2193 288 1.2 33
Show 20158+4024 TDS1055 163 0.9 33
Show 20155+4030 A 390 328 0.8 34
Show 20210+4041 TDT2199 122 0.8 34
Show 20204+4021 TDT2186 349 0.5 35
Show 20181+4122 ES 1674 125 4.9 39
Show 20148+4035 TDT2118 312 0.4 39
Show 20185+4123 TDT2154 311 0.5 40
Show 20163+4007 MLB1013 160 4.0 43
Show 20144+4048 TDT2113 181 0.5 43
Show 20171+4127 ARN 97 220 12.8 45
Show 20221+4042 ES 1676 285 2.4 46
Show 20205+4127 LI 4 333 8.9 47
Show 20205+4122 LI 5 AB 145 8.8 47
Show 20205+4122 FAB 15 AC 203 19.5 47
Show 20151+4118 A 387 CD 19 9.0 48
Show 20151+4118 A 387 AB 151 5.1 48
Show 20151+4118 A 387 AC 222 21.6 48
Show 20178+3956 HJ 2951 AB 125 10.8 49
Show 20178+3956 FOX9014 AC 61 24.4 49
Show 20199+4000 MLB1015 89 4.0 49
Show 20138+4055 TDT2106 358 0.5 50
Show 20137+4050 DOO 13 258 3.0 51
Show 20198+3958 MLB1014 241 7.6 51
Show 20144+4112 TDT2112 64 0.6 51
Show 20183+3953 BKO 822 60 7.1 51
Show 20136+4040 TDT2104 161 0.9 52
Show 20186+4136 ES 1675 324 2.2 52
Show 20203+3958 BRT2260 9 3.2 53
Show 20143+4115 COU2639 244 0.4 54
Show 20184+3950 A 1424 46 1.1 55
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 55
Show 20133+4038 GRV 324 252 7.7 55
Show 20222+4015 BU 665 BC,D 131 41.0 56
Show 20222+4015 BU 665 BC 302 1.9 56
Show 20212+4128 A 287 132 1.5 56
Show 20231+4048 GRF 15 139 199.3 57
Show 20231+4047 J 787 AB 165 2.6 57

 
 
WDS 20181+4044 : COMPONENTS
 
 
  A Ab B C
Ab pa=156.8°
sep=0.06"
 
B pa=238.2°
sep=2.23"
pa=239.8°
sep=2.22"
 
C pa=206.7°
sep=34.37"
pa=206.8°
sep=34.33"
pa=204.7°
sep=32.49"
 
D pa=180.5°
sep=49.63"
pa=180.5°
sep=49.57"
pa=178.2°
sep=48.48"
pa=141.5°
sep=24.19"
 
 
20181+4044 A
 
 
Name HD 193322 Coord arcsec 2000 201806.99+404355.6 Mag 5.96 Spectral class O9IV (blue)
PmRA 1.00 PmDE -10.0 SAO 49438 HIP 100069
Tycho2 3155-02321-1 HD 193322 HR 7767 GC 28228
BD BD+40 4103
Tycho2
Tycho2 3155-02321-1 Pflag P RAmdeg 304.52907126 DEmdeg 40.73205465
PmRA 0.7 PmDE -9.6 E RAmdeg 3 E DEmdeg 3
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.61 EpDEm 1991.65
Num 4 Q RAmdeg 2.0 Q DEmdeg 3.0 Q pmRA 2.1
Q pmDE 2.8 BTmag 6.021 E BTmag 0.014 VTmag 5.964
E VTmag 0.009 Prox 27 TYC T HIP 100069
CCDM A RAdeg 304.52912361 DEdeg 40.73209500 EpRA 1990 1.65
EpDE 1990 1.70 E RAdeg 3.4 E DEdeg 3.4 Posflg D
Corr 0.0
SAO
SAO 49438 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.001 Vmag 5.8 SpType B2p
Double code Source 70 CatNum 28228 DM BD+40 4103
DMcomp BDsup HD 193322 M HD 0
GC 28228 RA1950rad 5.30730018 DE1950rad 0.70817226 PmRA2000 0.0001
PmDE2000 -0.003
Hipparcos
Catalog H HIP 100069 Proxy H RAhms 20 18 06.99
DEdms +40 43 55.6 Vmag 5.83 VarFlag R Vmag H
RAdeg 304.529 DEdeg 40.7321 AstroRef A Plx 2.1
CCDM 20181+4044 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 245 Rho 2.744 HD 193322 BD BD+40 4103
CD CP Dm number +40 4103 VIred 0.05
SpType O9V R SpType Coord arcsec 2000 201806.99+404355.6
Hipparcos 2
HIP 100069 Sn 15 So 3 Nc 2
RArad 5.3150358988 DErad 0.7109092273 Plx 1.68 PmRA -2.33
PmDE -6.16 E RArad 0.26 E DErad 0.3 E Plx 0.35
E pmRA 0.29 E pmDE 0.34 Hpmag 5.8637 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.073 E BV 0.005
VI 0.08
CCDM
Ccdm 20181+4044 RComp Comp A Note1
Note2 Discov num DRAs 1.01 DDEs -4.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.9 Sp B2 PmNote *
PmRA -3 PmDE -1 Dm number +40 4103 Cat1 BD
Name2 49438 Cat2 SAO HD 193322 M HD
ADS BDS A13672 M ADS BDS N IDS IDS 20146N4025A
HIC 100069
 
 
20181+4044 Ab
 
 
Coord arcsec 2000 201806.99+404355.5 Mag 6.8 Calc delta mag 0.2 Calc coord yes
 
 
20181+4044 B
 
 
Coord arcsec 2000 201806.82+404354.4 Mag 8.24 Spectral class B1.5 (blue-white) PmRA 1.00
PmDE -10.0 Tycho2 3155-02321-2 Calc delta mag 1.64 Calc coord yes
Tycho2
Tycho2 3155-02321-2 Pflag P RAmdeg 304.52907126 DEmdeg 40.73205465
PmRA 0.7 PmDE -9.6 E RAmdeg 3 E DEmdeg 3
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.61 EpDEm 1991.65
Num 4 Q RAmdeg 2.0 Q DEmdeg 3.0 Q pmRA 2.1
Q pmDE 2.8 BTmag 8.340 E BTmag 0.016 VTmag 8.243
E VTmag 0.013 Prox 27 TYC T HIP 100069
CCDM B RAdeg 304.52820778 DEdeg 40.73178639 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 9.4 E DEdeg 10.3 Posflg D
Corr -0.1
CCDM
Ccdm 20181+4044 RComp Comp B Note1
Note2 Discov num STF2666 DRAs DDEs
R dRAs Year 1831 Theta 245 Rho 2.7
Obs 25 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13672 M ADS BDS N IDS IDS 20146N4025B
HIC 100069
 
 
20181+4044 C
 
 
Coord arcsec 2000 201805.63+404324.9 Coord calc 201805.63+404324.9 Mag 10.7 Spectral class B8V (blue-white)
PmRA -2.00 PmDE -7.0 Calc delta mag 4.1
CCDM
Ccdm 20181+4044 RComp Comp C Note1
Note2 Discov num STF2666 DRAs DDEs
R dRAs Year 1887 Theta 208 Rho 34.1
Obs 3 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13672 M ADS BDS N IDS IDS 20146N4025C
HIC
 
 
20181+4044 D
 
 
Coord arcsec 2000 201806.96+404306.0 Mag 11 Spectral class B9V (blue-white) PmRA -2.00
PmDE -6.0 Calc delta mag 4.4 Calc coord yes