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Current system
20191+3916
TRN 28 AB


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HO 126AB

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TDT2196

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SEI1101



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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20191+3916 TRN 28 AB

 
 
20h 19m 08.50s +39° 16' 24.3" P.A. 80.00 sep 4.9 mag 7.44,13.00 Sp O7Ib dist. 925.93 pc (3020.38 l.y.)
 
 
Coord 2000 20191+3916 Discov num TRN  28 Comp AB Coord arcsec 2000 20 19 08.50 +39 16 24.3
Date first 2001 Date last 2015 Obs 3
Pa first 78 Pa last 80.1 P.A. Now (θ) 80.1°
Sep first 4.8 Sep last 4.861 Sep. Now (ρ) 4.861"
Mag pri 7.44 Mag sec 13.00 delta mag (ΔM) 5.56 Spectral class O7Ib (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20191+3916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69826 20 19 08 +39 16 24 TRN 28 AB 2015 3 80 4.9 7.44 13.00 5.56 <===
Show 69826 20 19 08 +39 16 24 TRN 28 AC 2002 2 158 3.2 7.44 15.00 7.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69826 HIP 100173 Tycho2 3151-00549-1
Gaia DR2 2061457553312825600 HD 193514 BD BD+38 4006 Distance 925.93
Distance ly 3020.38
 
 
WDS 20191+3916 TRN 28 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Trn1999 Ac - Turner, N.H., ten Brummelaar, T.A., & Mason, B.D. 1999PASP..111..556T
Trn1999 PASP 111, 556, 1999
Trn2001 Ac j Turner, N.H., ten Brummelaar, T.A., McAlister, H.A., Mason, B.D., Hartkopf, W.I., 2001AJ....121.3254T
Trn2001 & Roberts, L.C.
Trn2001 AJ 121, 3254, 2001
Trn2008 Ac j Turner, N.H., ten Brummelaar, T.A., Roberts, L.C., Mason, B.D., Hartkopf, W.I., & 2008AJ....136..554T
Trn2008 +E2 Gies, D.R.
Trn2008 +A AJ 136, 554, 2008
Trn2008 (Note: For some observations the image derotator was in an unknown state. In these
Trn2008 cases the theta value is either left blank or two possible values are listed - one
Trn2008 for zenith up and one for north up. For unresolved objects, the listed rho value
Trn2008 is the FWHM of the corrected stellar PSF. Larger FWHM values are indicative of
Trn2008 poorer seeing and/or non-optimal AO system tuning.)
Trn2010 Ac - Turner, N.H. & Roberts, L.C., Jr. ...................
Trn2010 private communication, 2010
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20191+3916 TRN 28 AB 2002 2 79 4.8 7.44   201908.50+391624.3
20191+3916 TRN 28 AB 2015 3 80 4.9 7.44 13.00 O7Ib 201908.50+391624.3

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

 
 
WDS 20191+3916 TRN 28 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20191+3916 TRN 28 AB : MEASURES
 
 
No records found.

 
 
WDS 20191+3916 : VIRTUAL EYEPIECE
 
 

20191+3916 TRN 28A mag 7.44 Sp O7Ib 20191+3916 TRN 28B sep 3.8 P.A. 77.30 mag 13 20191+3916 TRN 28C sep 3.1 P.A. 162.60 mag 15 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20191+3916 : ALADIN DSS IMAGE @ 20h 19m 08.50s +39° 16' 24.3"
 
 
 
 
WDS 20191+3916 TRN 28 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20191+3916 TRN 28AB distance=0' 20185+3916 MLB 881 distance=8' 20188+3909 SEI1079 distance=9' 20188+3924 SEI1078 distance=10' 20200+3921 MLB 882 distance=12' 20201+3921 ES 2050AB distance=13' 20201+3921 ES 2050AC distance=13' 20203+3919 BKO 566 distance=14' 20203+3920 SEI1090 distance=14' 20203+3922 SEI1091 distance=15' 20203+3924 A 1427AB distance=16' 20203+3924 STF2668AB,C distance=16' 20190+3900 HO 125 distance=17' 20206+3917 BKO 567AB distance=17' 20206+3917 BKO 567AC distance=17' 20206+3919 TDS1061 distance=17' 20177+3914 COU2536 distance=18' 20177+3921 SEI1070 distance=18' 20192+3859 HO 126AB distance=18' 20192+3859 HO 126AC distance=18' 20199+3933 HO 593 distance=20' 20207+3922 SEI1094 distance=20' 20208+3919 TDT2196 distance=20' 20208+3922 BKO 568 distance=21' 20192+3938 ES 2051 distance=22' 20210+3919 SEI1097AB distance=23' 20210+3919 TOB 186BC distance=23' 20209+3928 HO 127 distance=24' 20198+3852 SLE1004 distance=26' 20189+3945 COU2537 distance=29' 20214+3900 GRV 334 distance=32' 20216+3902 SEI1101 distance=32' 20163+3924 SEI1051 distance=34' 20184+3950 A 1424 distance=35' 20179+3845 SLE 990 distance=35' 20167+3938 HO 590AB distance=36' 20167+3938 HO 590AC distance=36' 20168+3942 DAM1040FG distance=37' 20168+3942 STF2663AB distance=38' 20168+3942 CTT 21AC distance=38' 20168+3942 DAM1040AF distance=38' 20189+3839 SLE 996 distance=38' 20183+3953 BKO 822 distance=39' 20202+3840 SLE1006AB distance=39' 20202+3840 SLE1006AC distance=39' 20204+3840 SEI1088AB distance=40' 20204+3840 SEI1089AC distance=40' 20221+3855 SEI1104 distance=41' 20202+3838 ES 2052 distance=41' 20159+3859 BRT2230 distance=42' 20156+3910 SEI1046 distance=42' 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 20191+3916 TRN 28 AB 80 4.9
Show 20191+3916 TRN 28 AC 158 3.2
Show 20185+3916 MLB 881 145 10.3 8
Show 20188+3909 SEI1079 110 6.2 9
Show 20188+3924 SEI1078 45 17.7 10
Show 20200+3921 MLB 882 279 5.0 12
Show 20201+3921 ES 2050 AB 92 5.9 13
Show 20201+3921 ES 2050 AC 191 11.2 13
Show 20203+3919 BKO 566 159 5.9 14
Show 20203+3920 SEI1090 154 13.9 14
Show 20203+3922 SEI1091 180 27.7 15
Show 20203+3924 A 1427 AB 132 0.2 16
Show 20203+3924 STF2668 AB,C 280 3.5 16
Show 20190+3900 HO 125 196 3.5 17
Show 20206+3917 BKO 567 AB 284 5.6 17
Show 20206+3917 BKO 567 AC 87 5.2 17
Show 20206+3919 TDS1061 345 1.5 17
Show 20177+3914 COU2536 312 1.8 18
Show 20177+3921 SEI1070 143 27.9 18
Show 20192+3859 HO 126 AB 163 2.2 18
Show 20192+3859 HO 126 AC 247 37.0 18
Show 20199+3933 HO 593 313 5.0 20
Show 20207+3922 SEI1094 316 27.1 20
Show 20208+3919 TDT2196 192 0.4 20
Show 20208+3922 BKO 568 249 8.1 21
Show 20192+3938 ES 2051 306 4.9 22
Show 20210+3919 SEI1097 AB 44 27.2 23
Show 20210+3919 TOB 186 BC 51 16.2 23
Show 20209+3928 HO 127 94 1.9 24
Show 20198+3852 SLE1004 166 11.2 26
Show 20189+3945 COU2537 295 0.8 29
Show 20214+3900 GRV 334 275 31.1 32
Show 20216+3902 SEI1101 11 11.6 32
Show 20163+3924 SEI1051 148 22.3 34
Show 20184+3950 A 1424 46 1.1 35
Show 20179+3845 SLE 990 274 8.9 35
Show 20167+3938 HO 590 AB 207 3.5 36
Show 20167+3938 HO 590 AC 88 25.9 36
Show 20168+3942 DAM1040 FG 225 3.5 37
Show 20168+3942 STF2663 AB 322 5.4 38
Show 20168+3942 CTT 21 AC 188 103.0 38
Show 20168+3942 DAM1040 AF 123 22.3 38
Show 20189+3839 SLE 996 106 6.6 38
Show 20183+3953 BKO 822 60 7.1 39
Show 20202+3840 SLE1006 AB 156 16.0 39
Show 20202+3840 SLE1006 AC 90 18.7 39
Show 20204+3840 SEI1088 AB 238 4.3 40
Show 20204+3840 SEI1089 AC 17 28.2 40
Show 20221+3855 SEI1104 195 18.2 41
Show 20202+3838 ES 2052 144 2.5 41
Show 20159+3859 BRT2230 297 6.0 42

 
 
WDS 20191+3916 : COMPONENTS
 
 
  A B
B pa=77.3°
sep=3.80"
 
C pa=162.6°
sep=3.13"
pa=216.0°
sep=4.72"
 
 
20191+3916 A
 
 
Coord arcsec 2000 201908.50+391624.3 Mag 7.44 Spectral class O7Ib (blue) PmRA -2.00
PmDE -4.0 SAO 69826 HIP 100173 Tycho2 3151-00549-1
HD 193514 BD BD+38 4006
Tycho2
Tycho2 3151-00549-1 Pflag RAmdeg 304.78540670 DEmdeg 39.27339774
PmRA -4.1 PmDE -5.6 E RAmdeg 5 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.17 EpDEm 1991.38
Num 15 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 7.888 E BTmag 0.015 VTmag 7.469
E VTmag 0.011 Prox 999 TYC T HIP 100173
CCDM RAdeg 304.78541861 DEdeg 39.27341056 EpRA 1990 1.62
EpDE 1990 1.66 E RAdeg 4.5 E DEdeg 4.4 Posflg
Corr 0.0
SAO
SAO 69826 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.012 Vmag 7 SpType B2
Double code Source 5 CatNum 2102 DM BD+38 4006
DMcomp BDsup HD 193514 M HD 0
GC RA1950rad 5.31159259 DE1950rad 0.68269594 PmRA2000 0.0021
PmDE2000 -0.014
Hipparcos
Catalog H HIP 100173 Proxy RAhms 20 19 08.50
DEdms +39 16 24.3 Vmag 7.42 VarFlag R Vmag H
RAdeg 304.785 DEdeg 39.2734 AstroRef Plx 0.41
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 193514 BD BD+38 4006
CD CP Dm number +38 4006 VIred 0.46
SpType O7e R SpType Coord arcsec 2000 201908.50+391624.3
Hipparcos 2
HIP 100173 Sn 5 So 0 Nc 1
RArad 5.3195090805 DErad 0.6854503859 Plx -1.08 PmRA -2.56
PmDE -4.37 E RArad 0.39 E DErad 0.44 E Plx 0.54
E pmRA 0.42 E pmDE 0.47 Hpmag 7.5069 E Hpmag 0.0013
SHp 0.013 VA 0 BV 0.392 E BV 0.011
VI 0.46
 
 
20191+3916 B
 
 
Coord arcsec 2000 201908.82+391625.1 Mag 13 Calc delta mag 5.56 Calc coord yes
 
 
20191+3916 C
 
 
Coord arcsec 2000 201908.58+391621.3 Mag 15 Calc delta mag 7.56 Calc coord yes