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Doubles in session


Current system
20161+3854
CHR 95
HD 192934


Nearby doubles
3' : 20160+3856
ALI 926

6' : 20159+3859
BRT2230

17' : 20146+3855
ES 2047AB

17' : 20156+3910
SEI1046

17' : 20161+3837
SEI1049

21' : 20150+3837
SLE 976

23' : 20173+3837
TDT2141

24' : 20179+3845
SLE 990

25' : 20173+3834
MLB 951

25' : 20163+3829
SLE 981

26' : 20176+3835
ALI 927

27' : 20177+3836
SEI1069

28' : 20177+3914
COU2536

30' : 20163+3924
SEI1051

31' : 20148+3827
A 1421

32' : 20143+3829
SLE 970

33' : 20134+3844
BLL 47AB

33' : 20144+3920
SEI1039AB

34' : 20177+3921
SEI1070

35' : 20133+3905
SEI1017

35' : 20190+3900
HO 125

35' : 20135+3912
SEI1025AB

36' : 20188+3909
SEI1079

36' : 20151+3820
SLE 977

36' : 20149+3821
SLE 973

36' : 20134+3835
SLE 966



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

20161+3854 CHR 95 (HD 192934)

 
 
20h 16m 03.43s +38° 53' 53.1" P.A. 56.00 sep 0.2 mag 6.27, Sp A1V dist. 130.89 pc (426.96 l.y.)
 
 
Coord 2000 20161+3854 Discov num CHR  95 Comp Coord arcsec 2000 20 16 03.43 +38 53 53.1
Date first 1985 Date last 1985 Obs 1
Pa first 56 Pa last 56.4 P.A. Now (θ) 56.4°
Sep first 0.2 Sep last 0.182 Sep. Now (ρ) 0.182"
Mag pri 6.27 Mag sec delta mag (ΔM) Spectral class A1V (white)
Pri motion ra -005 Sec motion ra
Pri motion dec -035 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192934 Constellation Cygnus SAO 69720 HIP 99893
Tycho2 3151-01328-1 Gaia DR2 2061344097469904384 HD 192934 HR 7752
GC 28169 BD BD+38 3977 Distance 130.89 Distance ly 426.96
 
 
WDS 20161+3854 CHR 95 (HD 192934) : NOTES
 
 
discov_num notes refcode
CHR 95 Hipparcos Acceleration Double Solution.
This system, first announced by McAlister and recalled in a later McA1984b
McAlister paper after repeated attempts at confirmation, has been McA1993
restored. While perhaps still spurious, the subsequent confirmation or
suspected duplicity (by another technique) makes the discovery
measurement somewhat more probable.
 
 
REFERENCES
 
 
refcode metd author reference
McA1984b Sc j McAlister, H.A. & Hartkopf, W.I. ...................
McA1984b Catalog of Interferometric Measurements of Binary Stars, CHARA Contrib. #1, 1984
McA1984b (previously unpublished KPNO 2.1m and 3.8m data)
McA1993 Sc j McAlister, H.A., Mason, B.D., Hartkopf, W.I., & Shara, M.M. 1993AJ....106.1639M
McA1993 +orb AJ 106, 1639, 1993
 
 
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
20161+3854 CHR 95 1985 1 56 0.2 6.27   A1V N 201603.43+385353.1

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

 
 
WDS 20161+3854 CHR 95 (HD 192934) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20161+3854 CHR 95 (HD 192934) : MEASURES
 
 
No records found.

 
 
WDS 20161+3854 (HD 192934) : VIRTUAL EYEPIECE
 
 

20161+3854 CHR 95A mag 6.27 Sp A1V 20161+3854 CHR 95B sep 0.2 P.A. 49.50 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 20161+3854 (HD 192934) : ALADIN DSS IMAGE @ 20h 16m 03.43s +38° 53' 53.1"
 
 
 
 
WDS 20161+3854 CHR 95 (HD 192934) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20161+3854 CHR 95 distance=0' 20160+3856 ALI 926 distance=3' 20159+3859 BRT2230 distance=6' 20146+3855 ES 2047BC distance=17' 20146+3855 ES 2047AB distance=17' 20146+3855 ES 2047AD distance=17' 20146+3855 ES 2047AE distance=17' 20156+3910 SEI1046 distance=17' 20161+3837 SEI1049 distance=17' 20150+3837 SLE 976 distance=21' 20173+3837 TDT2141 distance=23' 20179+3845 SLE 990 distance=24' 20173+3834 MLB 951 distance=25' 20163+3829 SLE 981 distance=25' 20176+3835 ALI 927 distance=26' 20177+3836 SEI1069 distance=27' 20177+3914 COU2536 distance=28' 20163+3924 SEI1051 distance=30' 20148+3827 A 1421 distance=31' 20143+3829 SLE 970 distance=32' 20134+3844 BLL 47AB distance=33' 20134+3844 BLL 47AC distance=33' 20144+3920 SEI1039AB distance=33' 20144+3920 TOB 182AC distance=33' 20177+3921 SEI1070 distance=34' 20133+3905 SEI1017 distance=35' 20190+3900 HO 125 distance=35' 20135+3912 SEI1025AB distance=35' 20135+3912 SEI1025AC distance=35' 20188+3909 SEI1079 distance=36' 20151+3820 SLE 977 distance=36' 20149+3821 SLE 973 distance=36' 20134+3835 SLE 966 distance=36' 20189+3839 SLE 996 distance=37' 20185+3916 MLB 881 distance=37' 20144+3822 SEI1038 distance=38' 20147+3820 SLE 972 distance=38' 20151+3929 MLB 982BC distance=38' 20192+3859 HO 126AB distance=39' 20192+3859 HO 126AC distance=39' 20183+3825 ES 2049 distance=39' 20151+3929 MLB 982AB distance=39' 20135+3828 TDT2103AB distance=39' 20135+3828 ES 2121AC distance=39' 20183+3822 SLE 992 distance=42' 20191+3916 TRN 28AB distance=43' 20191+3916 TRN 28AC distance=43' 20183+3820 CRB 10 distance=44' 20198+3852 SLE1004 distance=44' 20188+3924 SEI1078 distance=44' 20128+3916 SEI1013 distance=44' 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 20161+3854 CHR 95 56 0.2
Show 20160+3856 ALI 926 282 8.6 3
Show 20159+3859 BRT2230 297 6.0 6
Show 20146+3855 ES 2047 BC 197 4.7 17
Show 20146+3855 ES 2047 AB 174 33.2 17
Show 20146+3855 ES 2047 AD 103 10.6 17
Show 20146+3855 ES 2047 AE 106 27.6 17
Show 20156+3910 SEI1046 249 1.5 17
Show 20161+3837 SEI1049 23 17.0 17
Show 20150+3837 SLE 976 90 6.8 21
Show 20173+3837 TDT2141 96 1.3 23
Show 20179+3845 SLE 990 274 8.9 24
Show 20173+3834 MLB 951 321 4.9 25
Show 20163+3829 SLE 981 260 11.3 25
Show 20176+3835 ALI 927 67 5.7 26
Show 20177+3836 SEI1069 247 14.6 27
Show 20177+3914 COU2536 312 1.8 28
Show 20163+3924 SEI1051 148 22.3 30
Show 20148+3827 A 1421 8 1.8 31
Show 20143+3829 SLE 970 234 11.9 32
Show 20134+3844 BLL 47 AB 354 131.7 33
Show 20134+3844 BLL 47 AC 106 154.0 33
Show 20144+3920 SEI1039 AB 135 10.7 33
Show 20144+3920 TOB 182 AC 194 43.2 33
Show 20177+3921 SEI1070 143 27.9 34
Show 20133+3905 SEI1017 259 28.3 35
Show 20190+3900 HO 125 196 3.5 35
Show 20135+3912 SEI1025 AB 168 5.7 35
Show 20135+3912 SEI1025 AC 256 26.6 35
Show 20188+3909 SEI1079 110 6.2 36
Show 20151+3820 SLE 977 279 7.3 36
Show 20149+3821 SLE 973 131 8.7 36
Show 20134+3835 SLE 966 262 11.3 36
Show 20189+3839 SLE 996 106 6.6 37
Show 20185+3916 MLB 881 145 10.3 37
Show 20144+3822 SEI1038 197 3.1 38
Show 20147+3820 SLE 972 114 11.1 38
Show 20151+3929 MLB 982 BC 355 6.0 38
Show 20192+3859 HO 126 AB 163 2.2 39
Show 20192+3859 HO 126 AC 247 37.0 39
Show 20183+3825 ES 2049 267 3.2 39
Show 20151+3929 MLB 982 AB 183 30.8 39
Show 20135+3828 TDT2103 AB 181 1.1 39
Show 20135+3828 ES 2121 AC 233 3.5 39
Show 20183+3822 SLE 992 282 10.3 42
Show 20191+3916 TRN 28 AB 80 4.9 43
Show 20191+3916 TRN 28 AC 158 3.2 43
Show 20183+3820 CRB 10 39 5.0 44
Show 20198+3852 SLE1004 166 11.2 44
Show 20188+3924 SEI1078 45 17.7 44
Show 20128+3916 SEI1013 330 20.6 44

 
 
WDS 20161+3854 : COMPONENTS
 
 
  A
B pa=49.5°
sep=0.16"
 
 
20161+3854 A
 
 
Componente originario normalizzato AB Name HD 192934 Coord arcsec 2000 201603.43+385353.1 Mag 6.27
Spectral class A1V (white) PmRA -5.00 PmDE -35.0 SAO 69720
HIP 99893 Tycho2 3151-01328-1 HD 192934 HR 7752
GC 28169 BD BD+38 3977
Tycho2
Tycho2 3151-01328-1 Pflag RAmdeg 304.01429163 DEmdeg 38.89802162
PmRA -0.8 PmDE -26.4 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.32 EpDEm 1991.41
Num 16 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.2 BTmag 6.283 E BTmag 0.014 VTmag 6.275
E VTmag 0.010 Prox 999 TYC T HIP 99893
CCDM RAdeg 304.01429361 DEdeg 38.89808250 EpRA 1990 1.65
EpDE 1990 1.69 E RAdeg 3.6 E DEdeg 3.6 Posflg
Corr 0.1
SAO
SAO 69720 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.035 Vmag 6.1 SpType A0
Double code Source 70 CatNum 28169 DM BD+38 3977
DMcomp BDsup HD 192934 M HD 0
GC 28169 RA1950rad 5.29811564 DE1950rad 0.67620066 PmRA2000 -0.0001
PmDE2000 -0.037
Hipparcos
Catalog H HIP 99893 Proxy RAhms 20 16 03.43
DEdms +38 53 53.1 Vmag 6.28 VarFlag R Vmag H
RAdeg 304.014 DEdeg 38.8981 AstroRef Plx 7.96
CCDM N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 192934 BD BD+38 3977
CD CP Dm number +38 3977 VIred 0.03
SpType A1V R SpType Coord arcsec 2000 201603.43+385353.1
Hipparcos 2
HIP 99893 Sn 1 So 1 Nc 1
RArad 5.3060503991 DErad 0.6788996823 Plx 7.64 PmRA -2.63
PmDE -30.45 E RArad 0.36 E DErad 0.35 E Plx 0.46
E pmRA 0.45 E pmDE 0.37 Hpmag 6.2953 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.006 E BV 0.003
VI 0.03
 
 
20161+3854 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201603.44+385353.2 Calc delta mag 6.27 Calc coord yes