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Doubles in session


Current system
20178+3956
HJ 2951 AB
HD 193247


Nearby doubles
6' : 20183+3953
BKO 822

9' : 20184+3950
A 1424

17' : 20189+3945
COU2537

19' : 20168+3942
STF2663AB

22' : 20163+4007
MLB1013

23' : 20167+3938
HO 590AB

23' : 20198+3958
MLB1014

24' : 20170+4017
CNT 5

24' : 20199+4000
MLB1015

25' : 20176+4020
BRT2259

25' : 20192+3938
ES 2051

29' : 20169+4022
BU 661AB

29' : 20203+3958
BRT2260

30' : 20158+3937
ES 1974

33' : 20199+3933
HO 593

33' : 20188+3924
SEI1078

35' : 20177+3921
SEI1070

35' : 20177+4030
HDS2897

37' : 20158+4024
TDS1055

37' : 20163+3924
SEI1051

38' : 20184+4033
ARN 49

40' : 20204+4021
TDT2186

41' : 20151+3929
MLB 982AB

41' : 20185+3916
MLB 881

42' : 20177+3914
COU2536

43' : 20191+3916
TRN 28AB



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.

20178+3956 HJ 2951 AB (HD 193247)

 
 
20h 17m 49.63s +39° 55' 33.9" P.A. 125.00 sep 10.8 mag 8.80,9.54 Sp A2V
 
 
Coord 2000 20178+3956 Discov num HJ 2951 Comp AB Coord arcsec 2000 20 17 49.63 +39 55 33.9
Date first 1831 Date last 2015 Obs 32
Pa first 126 Pa last 125.1 P.A. Now (θ) 125.1°
Sep first 12.0 Sep last 10.775 Sep. Now (ρ) 10.775"
Mag pri 8.80 Mag sec 9.54 delta mag (ΔM) 0.74 Spectral class A2V (white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec -010 Sec motion dec -012
Notes N (See Notes)
rPM=0.133 (< 0.3, Physical double)
This double is physical.
 
 
20178+3956 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193247 69777 20 17 50 +39 55 34 HJ 2951 AB 2015 32 125 10.8 8.80 9.54 0.74 <===
Show 69777 20 17 50 +39 55 34 FOX 9014 AC 2015 8 61 24.4 8.80 13.50 4.70
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193247 Constellation Cygnus SAO 69777 Tycho2 3155-01860-1
Gaia DR2 2062253324850585472 HD 193247
 
 
WDS 20178+3956 HJ 2951 AB (HD 193247) : NOTES
 
 
discov_num notes refcode
HJ 2951 AB: SEI1074. Nsn2017d
 
 
REFERENCES
 
 
refcode metd author reference
Nsn2017d not - Nanson, J. ...................
Nsn2017d private communication, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 FOX Fox, P.
12 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+3956 HJ 2951 AB 2006 24 125 10.8 8.80 9.54 A2V D 201749.63+395533.9
20178+3956 HJ 2951 AB 2009 25 125 10.9 8.80 9.54 A2V D 201749.63+395533.9
20178+3956 HJ 2951 AB 2010 26 125 10.7 8.80 9.54 A2V D 201749.63+395533.9
20178+3956 HJ 2951 AB 2015 28 125 10.8 8.80 9.54 A2V N 201749.63+395533.9

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

 
 
WDS 20178+3956 HJ 2951 AB (HD 193247) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20178+3956 HJ 2951 AB (HD 193247) : MEASURES
 
 
No records found.

 
 
WDS 20178+3956 (HD 193247) : VIRTUAL EYEPIECE
 
 

20178+3956 HJ 2951A mag 8.8 Sp A2V 20178+3956 HJ 2951B sep 9.2 P.A. 132.50 mag 9.54 20178+3956 FOX9014C sep 20.1 P.A. 54.60 mag 13.5 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 20178+3956 (HD 193247) : ALADIN DSS IMAGE @ 20h 17m 49.63s +39° 55' 33.9"
 
 
 
 
WDS 20178+3956 HJ 2951 AB (HD 193247) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20178+3956 HJ 2951AB distance=0' 20183+3953 BKO 822 distance=6' 20184+3950 A 1424 distance=9' 20189+3945 COU2537 distance=17' 20168+3942 DAM1040FG distance=19' 20168+3942 STF2663AB distance=19' 20168+3942 CTT 21AC distance=19' 20168+3942 DAM1040AF distance=19' 20163+4007 MLB1013 distance=22' 20167+3938 HO 590AB distance=23' 20167+3938 HO 590AC distance=23' 20198+3958 MLB1014 distance=23' 20170+4017 CNT 5 distance=24' 20199+4000 MLB1015 distance=24' 20176+4020 BRT2259 distance=25' 20192+3938 ES 2051 distance=25' 20169+4022 BU 661AB distance=29' 20169+4022 BU 661AC distance=29' 20203+3958 BRT2260 distance=29' 20158+3937 ES 1974 distance=30' 20199+3933 HO 593 distance=33' 20188+3924 SEI1078 distance=33' 20177+3921 SEI1070 distance=35' 20177+4030 HDS2897 distance=35' 20158+4024 TDS1055 distance=37' 20163+3924 SEI1051 distance=37' 20184+4033 ARN 49 distance=38' 20204+4021 TDT2186 distance=40' 20151+3929 MLB 982AB distance=41' 20185+3916 MLB 881 distance=41' 20151+3929 MLB 982BC distance=41' 20177+3914 COU2536 distance=42' 20191+3916 TRN 28AB distance=43' 20191+3916 TRN 28AC distance=43' 20203+3924 A 1427AB distance=43' 20203+3924 STF2668AB,C distance=43' 20200+3921 MLB 882 distance=44' 20215+3950 SEI1103 distance=44' 20201+3921 ES 2050AB distance=44' 20201+3921 ES 2050AC distance=44' 20203+3922 SEI1091 distance=44' 20155+4030 A 390 distance=44' 20209+3928 HO 127 distance=45' 20203+3920 SEI1090 distance=46' 20203+3919 BKO 566 distance=47' 20207+3922 SEI1094 distance=48' 20188+3909 SEI1079 distance=48' 20181+4044 STF2666CD distance=48' 20207+4031 TDT2193 distance=49' 20206+3919 TDS1061 distance=49' 20181+4044 CHR 96Aa,Ab distance=49' 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 20178+3956 HJ 2951 AB 125 10.8
Show 20178+3956 FOX9014 AC 61 24.4
Show 20183+3953 BKO 822 60 7.1 6
Show 20184+3950 A 1424 46 1.1 9
Show 20189+3945 COU2537 295 0.8 17
Show 20168+3942 DAM1040 FG 225 3.5 19
Show 20168+3942 STF2663 AB 322 5.4 19
Show 20168+3942 CTT 21 AC 188 103.0 19
Show 20168+3942 DAM1040 AF 123 22.3 19
Show 20163+4007 MLB1013 160 4.0 22
Show 20167+3938 HO 590 AB 207 3.5 23
Show 20167+3938 HO 590 AC 88 25.9 23
Show 20198+3958 MLB1014 241 7.6 23
Show 20170+4017 CNT 5 331 5.9 24
Show 20199+4000 MLB1015 89 4.0 24
Show 20176+4020 BRT2259 29 1.4 25
Show 20192+3938 ES 2051 306 4.9 25
Show 20169+4022 BU 661 AB 69 12.3 29
Show 20169+4022 BU 661 AC 217 111.7 29
Show 20203+3958 BRT2260 9 3.2 29
Show 20158+3937 ES 1974 160 2.9 30
Show 20199+3933 HO 593 313 5.0 33
Show 20188+3924 SEI1078 45 17.7 33
Show 20177+3921 SEI1070 143 27.9 35
Show 20177+4030 HDS2897 273 0.3 35
Show 20158+4024 TDS1055 163 0.9 37
Show 20163+3924 SEI1051 148 22.3 37
Show 20184+4033 ARN 49 313 30.2 38
Show 20204+4021 TDT2186 349 0.5 40
Show 20151+3929 MLB 982 AB 183 30.8 41
Show 20185+3916 MLB 881 145 10.3 41
Show 20151+3929 MLB 982 BC 355 6.0 41
Show 20177+3914 COU2536 312 1.8 42
Show 20191+3916 TRN 28 AB 80 4.9 43
Show 20191+3916 TRN 28 AC 158 3.2 43
Show 20203+3924 A 1427 AB 132 0.2 43
Show 20203+3924 STF2668 AB,C 280 3.5 43
Show 20200+3921 MLB 882 279 5.0 44
Show 20215+3950 SEI1103 223 17.0 44
Show 20201+3921 ES 2050 AB 92 5.9 44
Show 20201+3921 ES 2050 AC 191 11.2 44
Show 20203+3922 SEI1091 180 27.7 44
Show 20155+4030 A 390 328 0.8 44
Show 20209+3928 HO 127 94 1.9 45
Show 20203+3920 SEI1090 154 13.9 46
Show 20203+3919 BKO 566 159 5.9 47
Show 20207+3922 SEI1094 316 27.1 48
Show 20188+3909 SEI1079 110 6.2 48
Show 20181+4044 STF2666 CD 142 24.1 48
Show 20207+4031 TDT2193 288 1.2 49
Show 20206+3919 TDS1061 345 1.5 49

 
 
WDS 20178+3956 : COMPONENTS
 
 
  A B
B pa=132.5°
sep=9.17"
 
C pa=54.6°
sep=20.14"
pa=28.4°
sep=20.31"
 
 
20178+3956 A
 
 
Name HD 193247 Coord arcsec 2000 201749.63+395533.9 Mag 8.8 Spectral class A2V (white)
PmRA -9.00 PmDE -10.0 SAO 69777 Tycho2 3155-01860-1
HD 193247 DM BD+39 4118
Tycho2
Tycho2 3155-01860-1 Pflag RAmdeg 304.45680776 DEmdeg 39.92610824
PmRA -8.5 PmDE -9.7 E RAmdeg 8 E DEmdeg 7
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.90 EpDEm 1991.22
Num 7 Q RAmdeg 0.6 Q DEmdeg 0.9 Q pmRA 0.6
Q pmDE 0.8 BTmag 8.934 E BTmag 0.017 VTmag 8.798
E VTmag 0.015 Prox 108 TYC T HIP
CCDM RAdeg 304.45683361 DEdeg 39.92613083 EpRA 1990 1.50
EpDE 1990 1.66 E RAdeg 8.1 E DEdeg 7.1 Posflg
Corr 0.0
SAO
SAO 69777 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.017 Vmag 8.6 SpType A0
Double code Source 5 CatNum 2090 DM BD+39 4118
DMcomp BDsup HD 193247 M HD 0
GC RA1950rad 5.30594855 DE1950rad 0.69411032 PmRA2000 0.0006
PmDE2000 -0.019
 
 
20178+3956 B
 
 
Coord arcsec 2000 201750.22+395527.7 Mag 9.54 PmRA -9.00 PmDE -12.0
Tycho2 3155-01860-2 Calc delta mag 0.74 Calc coord yes
Tycho2
Tycho2 3155-01860-2 Pflag RAmdeg 304.46002371 DEmdeg 39.92439288
PmRA -6.9 PmDE -8.5 E RAmdeg 13 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.98 EpDEm 1990.28
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 9.647 E BTmag 0.022 VTmag 9.542
E VTmag 0.023 Prox 108 TYC T HIP
CCDM RAdeg 304.46004556 DEdeg 39.92441278 EpRA 1990 1.49
EpDE 1990 1.58 E RAdeg 12.8 E DEdeg 12.1 Posflg
Corr -0.1
 
 
20178+3956 C
 
 
Coord arcsec 2000 201751.06+395545.6 Mag 13.5 PmRA 2.00 PmDE -7.0
Calc delta mag 4.7 Calc coord yes