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Doubles in session


Current system
00527+6852
STF 65
HD 4947


Nearby doubles
10' : 00516+6859
BU 781

14' : 00543+6903
AG 9

18' : 00536+6835
AG 8

24' : 00548+6831
KPP2614

33' : 00568+6828
MLR 290

39' : 00503+6928
KPP1256

50' : 00458+6820
KPP3430

54' : 01023+6838
TDS1736

56' : 01015+6922
A 2901

59' : 01030+6914
LAF 24AB

66' : 00453+6801
WFC 4

77' : 00581+6742
BLL 2AB

78' : 01066+6833
HDS 142

78' : 00514+7010
HJ 1999

89' : 00599+6732
TDS1709

92' : 00586+7018
TDS1693

92' : 00587+6726
HU 1019

93' : 00360+6838
TDS1540

93' : 00413+7003
LDS1513

97' : 00498+7027
ENG 2

98' : 01107+6847
H 4 16

102' : 00540+7033
LDS1517

104' : 01003+6717
HJ 1061

105' : 01078+7001
HJ 1069

106' : 00402+6733
MLB 380

107' : 00353+6944
HDS 77



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.

00527+6852 STF 65 (HD 4947)

 
 
00h 52m 45.61s +68° 51' 59.3" P.A. 221.00 sep 3.2 mag 8.00,8.02 Sp A2 dist. 255.75 pc (834.26 l.y.)
 
 
Coord 2000 00527+6852 Discov num STF  65 Comp Coord arcsec 2000 00 52 45.61 +68 51 59.3
Date first 1822 Date last 2020 Obs 87
Pa first 215 Pa last 220.7 P.A. Now (θ) 220.7°
Sep first 3.2 Sep last 3.192 Sep. Now (ρ) 3.192"
Mag pri 8.00 Mag sec 8.02 delta mag (ΔM) 0.02 Spectral class A2 (white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4947 Constellation Cassiopeia SAO 11440 HIP 4116
Tycho2 4296-00627-2 Gaia DR2 526880233958586112 HD 4947 GC 1038
BD BD+68 57 Distance 255.75 Distance ly 834.26
 
 
WDS 00527+6852 STF 65 (HD 4947) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00527+6852 STF 65 2007 73 220 3.1 8.00 8.02 A2 D 005245.61+685159.3
00527+6852 STF 65 2009 76 220 3.3 8.00 8.02 A2 D 005245.61+685159.3
00527+6852 STF 65 2015 82 220 3.2 8.00 8.02 A2 005245.61+685159.3
00527+6852 STF 65 2016 83 220 3.2 8.00 8.02 A2 005245.61+685159.3
00527+6852 STF 65 2017 85 220 3.2 8.00 8.02 A2 005245.61+685159.3
00527+6852 STF 65 2020 86 221 3.2 8.00 8.02 A2 005245.61+685159.3

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

 
 
WDS 00527+6852 STF 65 (HD 4947) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 24/11/07 daedalus1 mean difficulty separated 221   Very nice pair of white stars. Evenly matched and very close.
Show 22/10/12 daedalus1 mean difficulty separated 221   Seeing: Pickering 6, good. Measure: theta 221, rho 2.92 +/-0.083.

 
 
WDS 00527+6852 STF 65 (HD 4947) : MEASURES
 
 
Records found: 2
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 22/10/12 Daedalus1 mean difficulty 2.92 0.08 221.00 0.00 0.02 12 Pickering 6, good.
Show 24/11/07 daedalus1 mean difficulty 3.08 0.06 221.00 0.00 0.01 12 Seeing: Pickering 6, good
 
 
WDS 00527+6852 (HD 4947) : VIRTUAL EYEPIECE
 
 

00527+6852 STF 65A mag 8 Sp A2 00527+6852 STF 65B sep 2.5 P.A. 197.20 mag 8.02 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 00527+6852 (HD 4947) : ALADIN DSS IMAGE @ 00h 52m 45.61s +68° 51' 59.3"
 
 
 
 
WDS 00527+6852 STF 65 (HD 4947) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00527+6852 STF 65 distance=0' 00516+6859 BU 781 distance=10' 00543+6903 AG 9 distance=14' 00536+6835 AG 8 distance=18' 00548+6831 KPP2614 distance=24' 00568+6828 MLR 290 distance=33' 00503+6928 KPP1256 distance=39' 00458+6820 KPP3430 distance=50' 01023+6838 TDS1736 distance=54' 01015+6922 A 2901 distance=56' 01030+6914 LAF 24AB distance=59' 01030+6914 LAF 24AC distance=59' 01030+6914 LAF 24AD distance=59' 01030+6914 LAF 24AE distance=59' 01030+6914 LAF 24AF distance=59' 01030+6914 LAF 24AG distance=59' 01030+6914 LAF 24AH distance=59' 01030+6914 LAF 24AI distance=59' 01030+6914 LAF 24AJ distance=59' 01030+6914 LAF 24AK distance=59' 01030+6914 LAF 24AL distance=59' 01030+6914 LAF 24AM distance=59' 01030+6914 LAF 24AN distance=59' 01030+6914 LAF 24AO distance=59' 01030+6914 LAF 24AP distance=59' 01030+6914 LAF 24AQ distance=59' 01030+6914 LAF 24AR distance=59' 00453+6801 WFC 4 distance=66' 00581+6742 BLL 2AB distance=77' 00581+6742 AG 431AC distance=77' 01066+6833 HDS 142 distance=78' 00514+7010 HJ 1999 distance=78' 00599+6732 TDS1709 distance=89' 00586+7018 TDS1693 distance=92' 00587+6726 HU 1019 distance=92' 00360+6838 TDS1540 distance=93' 00413+7003 LDS1513 distance=93' 00498+7027 ENG 2 distance=97' 01107+6847 H 4 16 distance=98' 00540+7033 LDS1517 distance=102' 01003+6717 HJ 1061 distance=104' 01078+7001 HJ 1069 distance=105' 00402+6733 MLB 380 distance=106' 00353+6944 HDS 77 distance=107' 00464+7034 ALD 9 distance=109' 00333+6824 TDS1518 distance=110' 01092+7008 TDS 40 distance=115' 01108+6747 HDS 155 distance=120' 01083+6729 HU 1021AB distance=120' 01083+6729 HU 1021AC distance=120' 00561+6653 SKF2560 distance=121' 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 00527+6852 STF 65 221 3.2 0
Show 00516+6859 BU 781 22 1.0 10
Show 00543+6903 AG 9 71 6.5 14
Show 00536+6835 AG 8 35 17.4 18
Show 00548+6831 KPP2614 122 24.0 24
Show 00568+6828 MLR 290 356 0.1 33
Show 00503+6928 KPP1256 63 9.6 39
Show 00458+6820 KPP3430 339 1.6 50
Show 01023+6838 TDS1736 175 1.2 54
Show 01015+6922 A 2901 64 0.4 56
Show 01030+6914 LAF 24 AB 119 3.0 59
Show 01030+6914 LAF 24 AC 72 4.8 59
Show 01030+6914 LAF 24 AD 269 5.7 59
Show 01030+6914 LAF 24 AE 74 7.0 59
Show 01030+6914 LAF 24 AF 281 9.1 59
Show 01030+6914 LAF 24 AG 228 9.2 59
Show 01030+6914 LAF 24 AH 121 9.5 59
Show 01030+6914 LAF 24 AI 205 9.6 59
Show 01030+6914 LAF 24 AJ 356 9.9 59
Show 01030+6914 LAF 24 AK 222 10.3 59
Show 01030+6914 LAF 24 AL 320 10.5 59
Show 01030+6914 LAF 24 AM 297 10.6 59
Show 01030+6914 LAF 24 AN 219 11.2 59
Show 01030+6914 LAF 24 AO 216 13.1 59
Show 01030+6914 LAF 24 AP 141 14.1 59
Show 01030+6914 LAF 24 AQ 315 14.6 59
Show 01030+6914 LAF 24 AR 138 15.1 59
Show 00453+6801 WFC 4 334 4.5 66
Show 00581+6742 BLL 2 AB 226 68.4 77
Show 00581+6742 AG 431 AC 342 159.1 77
Show 01066+6833 HDS 142 23 0.4 78
Show 00514+7010 HJ 1999 16 25.6 78
Show 00599+6732 TDS1709 35 0.6 89
Show 00586+7018 TDS1693 300 0.5 92
Show 00587+6726 HU 1019 190 1.0 92
Show 00360+6838 TDS1540 297 6.9 93
Show 00413+7003 LDS1513 26 8.0 93
Show 00498+7027 ENG 2 275 94.2 97
Show 01107+6847 H 4 16 -1 25.0 98
Show 00540+7033 LDS1517 18 3.2 102
Show 01003+6717 HJ 1061 103 13.1 104
Show 01078+7001 HJ 1069 329 16.7 105
Show 00402+6733 MLB 380 199 1.6 106
Show 00353+6944 HDS 77 190 0.1 107
Show 00464+7034 ALD 9 25 4.8 109
Show 00333+6824 TDS1518 169 0.9 110
Show 01092+7008 TDS 40 163 0.9 115
Show 01108+6747 HDS 155 174 0.1 120
Show 01083+6729 HU 1021 AB 304 3.3 120
Show 01083+6729 HU 1021 AC 198 37.8 120
Show 00561+6653 SKF2560 287 13.9 121

 
 
WDS 00527+6852 : COMPONENTS
 
 
  A
B pa=197.2°
sep=2.53"
 
 
00527+6852 A
 
 
Name HD 4947 Coord arcsec 2000 005245.61+685159.3 Mag 8 Spectral class A2 (white)
PmRA 4.00 PmDE -4.0 SAO 11440 HIP 4116
Tycho2 4296-00627-2 HD 4947 GC 1038 BD BD+68 57
Tycho2
Tycho2 4296-00627-2 Pflag RAmdeg 13.19006200 DEmdeg 68.86647703
PmRA 15.5 PmDE -6.8 E RAmdeg 6 E DEmdeg 7
E pmRA 3.0 E pmDE 2.8 EpRAm 1991.72 EpDEm 1991.54
Num 3 Q RAmdeg 3.5 Q DEmdeg 0.4 Q pmRA 3.5
Q pmDE 0.4 BTmag 8.201 E BTmag 0.017 VTmag 8.004
E VTmag 0.013 Prox 32 TYC HIP 4116
CCDM B RAdeg 13.18996389 DEdeg 68.86649278 EpRA 1990 1.77
EpDE 1990 1.62 E RAdeg 5.5 E DEdeg 6.8 Posflg
Corr 0.6
SAO
SAO 11440 DelFlag RA1950 PmRA1950 0.0027
DE1950 PmDE1950 0.001 Vmag 7.1 SpType A2
Double code Source 70 CatNum 1038 DM BD+68 57
DMcomp BDsup HD 4947 M HD 0
GC 1038 RA1950rad 0.21624862 DE1950rad 1.19720484 PmRA2000 0.0026
PmDE2000 -0.006
Hipparcos
Catalog H HIP 4116 Proxy H RAhms 00 52 45.22
DEdms +68 51 56.9 Vmag 7.2 VarFlag R Vmag H
RAdeg 13.1884 DEdeg 68.8658 AstroRef A Plx 5.31
CCDM 00528+6852 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 39 Rho 3.153 HD 4947 BD BD+68 57
CD CP Dm number +68 57 VIred 0.21
SpType A2 R SpType Coord arcsec 2000 005245.22+685156.9
Hipparcos 2
HIP 4116 Sn 15 So 3 Nc 2
RArad 0.2301815506 DErad 1.2019351151 Plx 3.91 PmRA 4.35
PmDE -3.29 E RArad 0.83 E DErad 0.63 E Plx 0.81
E pmRA 0.86 E pmDE 0.66 Hpmag 7.2664 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.1 E BV 0.495
VI 0.21
 
 
00527+6852 B
 
 
Coord arcsec 2000 005245.47+685156.9 Mag 8.02 PmRA 4.00 PmDE -4.0
Tycho2 4296-00627-1 Calc delta mag 0.02 Calc coord yes
Tycho2
Tycho2 4296-00627-1 Pflag RAmdeg 13.18847995 DEmdeg 68.86579904
PmRA 7.0 PmDE -3.4 E RAmdeg 6 E DEmdeg 6
E pmRA 3.1 E pmDE 2.8 EpRAm 1991.71 EpDEm 1991.68
Num 3 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 8.227 E BTmag 0.016 VTmag 8.021
E VTmag 0.012 Prox 32 TYC HIP 4116
CCDM A RAdeg 13.18843583 DEdeg 68.86580694 EpRA 1990 1.76
EpDE 1990 1.74 E RAdeg 6.1 E DEdeg 6.0 Posflg
Corr 0.4