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Current system
23017+6748
HU 993
HD 217781


Nearby doubles
12' : 23003+6755
GIC 187

40' : 23068+6721
AZC 185

47' : 22585+6705
HJ 1838

53' : 22527+6759
STTA238AB

57' : 23096+6822
KPP4303

58' : 23095+6826
FAL 75

60' : 23119+6736
HU 996AB

63' : 22510+6803
LDS5008

67' : 22562+6649
HU 988

73' : 22561+6643
BU 849

73' : 22494+6810
STT 530

76' : 22512+6835
TDT3750

76' : 22589+6902
GIC 186

78' : 23153+6746
HJ 1865

82' : 23101+6642
AZC 186

85' : 23016+6912
OL 224

85' : 22490+6834
STF2947AB

87' : 22477+6826
AZC 183

93' : 22455+6805
MLB 317

96' : 22450+6808
STT 529AB

98' : 23186+6807
STF3001AB

102' : 23138+6904
A 787

103' : 22496+6633
STF2948

104' : 22434+6744
HJ 1807AB

109' : 22427+6803
MLB 315

111' : 22466+6644
DJU 8



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.

23017+6748 HU 993 (HD 217781)

 
 
23h 01m 42.54s +67° 47' 43.0" P.A. 215.00 sep 2.1 mag 8.85,10.29 Sp F8 dist. 124.69 pc (406.74 l.y.)
 
 
Coord 2000 23017+6748 Discov num HU  993 Comp Coord arcsec 2000 23 01 42.54 +67 47 43.0
Date first 1904 Date last 2016 Obs 14
Pa first 221 Pa last 214.9 P.A. Now (θ) 214.9°
Sep first 2.0 Sep last 2.104 Sep. Now (ρ) 2.104"
Mag pri 8.85 Mag sec 10.29 delta mag (ΔM) 1.44 Spectral class F8 (yellow-white)
Pri motion ra +072 Sec motion ra +072
Pri motion dec +055 Sec motion dec +055
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 217781 Constellation Cepheus SAO 20376 HIP 113703
Tycho2 4477-00968-1 Gaia DR2 2213173592246397696 HD 217781 BD BD+67 1493
Distance 124.69 Distance ly 406.74
 
 
WDS 23017+6748 HU 993 (HD 217781) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23017+6748 HU 993 2005 12 215 2.0 8.85 10.29 F8 D 230142.54+674743.0
23017+6748 HU 993 2015 13 215 2.1 8.85 10.29 F8 230142.54+674743.0
23017+6748 HU 993 2016 14 215 2.1 8.85 10.29 F8 230142.54+674743.0

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

 
 
WDS 23017+6748 HU 993 (HD 217781) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23017+6748 HU 993 (HD 217781) : MEASURES
 
 
No records found.

 
 
WDS 23017+6748 (HD 217781) : VIRTUAL EYEPIECE
 
 

23017+6748 HU 993A mag 8.85 Sp F8 23017+6748 HU 993B sep 1.8 P.A. 194.80 mag 10.29 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 23017+6748 (HD 217781) : ALADIN DSS IMAGE @ 23h 01m 42.54s +67° 47' 43.0"
 
 
 
 
WDS 23017+6748 HU 993 (HD 217781) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23017+6748 HU 993 distance=0' 23003+6755 GIC 187 distance=12' 23068+6721 AZC 185 distance=40' 22585+6705 HJ 1838 distance=47' 22527+6759 HDS3247Aa,Ab distance=53' 22527+6759 STTA238AB distance=53' 22527+6759 STTA238BC distance=54' 23096+6822 KPP4303 distance=57' 23095+6826 FAL 75 distance=58' 23119+6736 HU 996AB distance=60' 23119+6736 HU 996AC distance=60' 22510+6803 LDS5008 distance=63' 22562+6649 HU 988 distance=67' 22561+6643 BU 849 distance=73' 22494+6810 STT 530 distance=73' 22512+6835 TDT3750 distance=76' 22589+6902 GIC 186 distance=76' 23153+6746 HJ 1865 distance=78' 23101+6642 AZC 186 distance=82' 23016+6912 OL 224 distance=85' 22490+6834 STF2947BC distance=85' 22490+6834 STF2947AB distance=85' 22490+6834 STF2947AC distance=85' 22477+6826 AZC 183 distance=87' 22455+6805 MLB 317 distance=93' 22450+6808 STT 529AB distance=96' 22450+6808 STT 529AC distance=96' 23186+6807 STF3001AB distance=98' 23186+6807 STF3001AC distance=98' 23138+6904 A 787 distance=102' 22496+6633 STF2948 distance=103' 22434+6744 HJ 1807AB distance=104' 22434+6744 HU 92BC distance=104' 22427+6803 MLB 315 distance=109' 22466+6644 DJU 8 distance=111' 22520+6925 HJ 1829 distance=111' 23212+6737 OSO 194 distance=112' 22535+6607 MLR 86Aa,Ab distance=112' 22535+6607 MLB 275AB distance=112' 22427+6835 MLB 316AB distance=117' 22427+6835 MLB 316AC distance=117' 22497+6612 SHY 359 distance=119' 22586+6950 A 785 distance=124' 22478+6614 MLR 85 distance=125' 22560+6547 AZC 184 distance=126' 23110+6555 AG 290 distance=126' 22463+6616 HU 984 distance=129' 22484+6600 MLB 274 distance=134' 23115+6543 SKF2616 distance=138' 23181+6609 MLB1103 distance=139' 23066+6529 STI1143 distance=142' 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 23017+6748 HU 993 215 2.1
Show 23003+6755 GIC 187 29 12.1 12
Show 23068+6721 AZC 185 14 17.4 40
Show 22585+6705 HJ 1838 255 1.5 47
Show 22527+6759 HDS3247 Aa,Ab 324 0.2 53
Show 22527+6759 STTA238 AB 280 69.2 53
Show 22527+6759 STTA238 BC 254 52.0 54
Show 23096+6822 KPP4303 339 16.7 57
Show 23095+6826 FAL 75 307 8.7 58
Show 23119+6736 HU 996 AB 208 2.3 60
Show 23119+6736 HU 996 AC 185 18.8 60
Show 22510+6803 LDS5008 284 35.0 63
Show 22562+6649 HU 988 172 1.1 67
Show 22561+6643 BU 849 96 6.5 73
Show 22494+6810 STT 530 210 5.1 73
Show 22512+6835 TDT3750 227 1.2 76
Show 22589+6902 GIC 186 233 21.5 76
Show 23153+6746 HJ 1865 214 7.3 78
Show 23101+6642 AZC 186 14 17.1 82
Show 23016+6912 OL 224 48 6.9 85
Show 22490+6834 STF2947 BC 208 120.7 85
Show 22490+6834 STF2947 AB 55 4.6 85
Show 22490+6834 STF2947 AC 208 122.6 85
Show 22477+6826 AZC 183 222 25.6 87
Show 22455+6805 MLB 317 13 5.8 93
Show 22450+6808 STT 529 AB 203 3.7 96
Show 22450+6808 STT 529 AC 223 17.2 96
Show 23186+6807 STF3001 AB 224 3.4 98
Show 23186+6807 STF3001 AC 356 44.0 98
Show 23138+6904 A 787 17 2.8 102
Show 22496+6633 STF2948 3 2.6 103
Show 22434+6744 HJ 1807 AB 187 23.9 104
Show 22434+6744 HU 92 BC 345 1.4 104
Show 22427+6803 MLB 315 233 2.8 109
Show 22466+6644 DJU 8 39 0.8 111
Show 22520+6925 HJ 1829 354 12.8 111
Show 23212+6737 OSO 194 354 17.5 112
Show 22535+6607 MLR 86 Aa,Ab 32 0.5 112
Show 22535+6607 MLB 275 AB 281 7.0 112
Show 22427+6835 MLB 316 AB 122 3.0 117
Show 22427+6835 MLB 316 AC 347 13.3 117
Show 22497+6612 SHY 359 184 999.9 119
Show 22586+6950 A 785 29 1.3 124
Show 22478+6614 MLR 85 37 1.0 125
Show 22560+6547 AZC 184 124 17.4 126
Show 23110+6555 AG 290 265 14.7 126
Show 22463+6616 HU 984 8 0.8 129
Show 22484+6600 MLB 274 2 4.6 134
Show 23115+6543 SKF2616 324 11.3 138
Show 23181+6609 MLB1103 201 9.3 139
Show 23066+6529 STI1143 246 5.3 142

 
 
WDS 23017+6748 : COMPONENTS
 
 
  A
B pa=194.8°
sep=1.78"
 
 
23017+6748 A
 
 
Componente originario normalizzato AB Name HD 217781 Coord arcsec 2000 230142.54+674743.0 Mag 8.85
Spectral class F8 (yellow-white) PmRA 72.00 PmDE 55.0 SAO 20376
HIP 113703 Tycho2 4477-00968-1 HD 217781 BD BD+67 1493
Tycho2
Tycho2 4477-00968-1 Pflag P RAmdeg 345.42726761 DEmdeg 67.79528076
PmRA 72.1 PmDE 55.4 E RAmdeg 8 E DEmdeg 8
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.30 EpDEm 1991.39
Num 5 Q RAmdeg 1.9 Q DEmdeg 0.8 Q pmRA 1.9
Q pmDE 0.8 BTmag 9.321 E BTmag 0.018 VTmag 8.845
E VTmag 0.014 Prox 20 TYC T HIP 113703
CCDM A RAdeg 345.42692000 DEdeg 67.79520472 EpRA 1990 1.57
EpDE 1990 1.67 E RAdeg 8.0 E DEdeg 7.8 Posflg D
Corr 0.1
SAO
SAO 20376 DelFlag RA1950 PmRA1950 0.013
DE1950 PmDE1950 0.04 Vmag 8.3 SpType F8
Double code Source 2 CatNum 1050 DM BD+67 1493
DMcomp BDsup HD 217781 M HD 0
GC RA1950rad 6.02063732 DE1950rad 1.17854017 PmRA2000 0.0133
PmDE2000 0.034
Hipparcos
Catalog H HIP 113703 Proxy H RAhms 23 01 42.46
DEdms +67 47 42.7 Vmag 8.55 VarFlag R Vmag H
RAdeg 345.427 DEdeg 67.7952 AstroRef A Plx 9.21
CCDM 23017+6748 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 216 Rho 2.055 HD 217781 BD BD+67 1493
CD CP Dm number +67 1493 VIred 0.55
SpType F8 R SpType Coord arcsec 2000 230142.46+674742.7
Hipparcos 2
HIP 113703 Sn 15 So 3 Nc 2
RArad 6.0288369512 DErad 1.1832494935 Plx 8.02 PmRA 70.77
PmDE 50.11 E RArad 0.88 E DErad 0.75 E Plx 0.91
E pmRA 1.04 E pmDE 1 Hpmag 8.6547 E Hpmag 0.0018
SHp 0.016 VA 0 BV 0.467 E BV 0.023
VI 0.54
CCDM
Ccdm 23017+6748 RComp Comp A Note1
Note2 Discov num DRAs 0.61 DDEs -17.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote *
PmRA 75 PmDE 48 Dm number +67 1493 Cat1 BD
Name2 +67 1050 Cat2 AGK2/3 HD 217781 M HD
ADS BDS A16459 M ADS BDS N IDS IDS 22579N6714A
HIC 113703
 
 
23017+6748 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 230142.46+674741.3 Mag 10.29 PmRA 72.00
PmDE 55.0 Tycho2 4477-00968-2 Calc delta mag 1.44 Calc coord yes
Tycho2
Tycho2 4477-00968-2 Pflag P RAmdeg 345.42726761 DEmdeg 67.79528076
PmRA 72.1 PmDE 55.4 E RAmdeg 8 E DEmdeg 8
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.30 EpDEm 1991.39
Num 5 Q RAmdeg 1.9 Q DEmdeg 0.8 Q pmRA 1.9
Q pmDE 0.8 BTmag 10.933 E BTmag 0.046 VTmag 10.287
E VTmag 0.037 Prox 20 TYC T HIP 113703
CCDM B RAdeg 345.42604889 DEdeg 67.79474722 EpRA 1990 1.56
EpDE 1990 1.65 E RAdeg 26.0 E DEdeg 25.4 Posflg D
Corr 0.1
CCDM
Ccdm 23017+6748 RComp Comp B Note1
Note2 Discov num HU 993 DRAs DDEs
R dRAs Year 1904 Theta 220 Rho 1.9
Obs 4 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16459 M ADS BDS N IDS IDS 22579N6714B
HIC 113703