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Current system
23012+8047
STT 487
HD 217992


Nearby doubles
20' : 22573+8104
LOC 533

20' : 23049+8030
LOC 544

21' : 22578+8028
LDS2020

27' : 22592+8021
BU 1522

31' : 23114+8030
TDT3925

33' : 23022+8014
KIR 24AB

34' : 22550+8117
HDS3259

37' : 22556+8121
LOC 534

38' : 22455+8046
LOC 535

39' : 22487+8111
LDS2011

42' : 23112+8121
HU 786

47' : 22573+8133
TDT3812

48' : 22429+8105
LOC 532

48' : 22537+8130
LDS2014

54' : 23038+8140
LOC 543

55' : 22524+8137
KPP3387

55' : 23175+8126
BU 9030

57' : 22445+8009
MLR 265

61' : 23207+8127
HJ 3191

61' : 22462+8138
LDS2009

63' : 23135+7953
HU 789

66' : 23109+8149
STF2996

69' : 22523+7943
LOC 531

79' : 23201+7945
SKF1256

81' : 22484+7933
TDS1185

86' : 23154+7929
LDS2032



Selections
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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23012+8047 STT 487 (HD 217992)

 
 
23h 01m 14.77s +80° 46' 54.2" P.A. 199.00 sep 0.5 mag 7.04,8.31 Sp A3 dist. 135.5 pc (442 l.y.)
 
 
Coord 2000 23012+8047 Discov num STT 487 Comp Coord arcsec 2000 23 01 14.77 +80 46 54.2
Date first 1889 Date last 2020 Obs 24
Pa first 206 Pa last 198.9 P.A. Now (θ) 198.9°
Sep first 0.2 Sep last 0.47 Sep. Now (ρ) 0.47"
Mag pri 7.04 Mag sec 8.31 delta mag (ΔM) 1.27 Spectral class A3 (white)
Pri motion ra +020 Sec motion ra
Pri motion dec +026 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 217992 Constellation Cepheus SAO 3830 HIP 113664
Tycho2 4613-01169-1 Gaia DR2 2286068915360948736 HD 217992 GC 32113
BD BD+79 761 Distance 135.5 Distance ly 442
 
 
WDS 23012+8047 STT 487 (HD 217992) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STT (O. Struve DD - Appendix list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
23012+8047 STT 487 2007 23 14 0.3 7.04 8.31 A3 +79 761 230114.77+804654.2
23012+8047 STT 487 2020 24 199 0.5 7.04 8.31 A3 +79 761 230114.77+804654.2

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

 
 
WDS 23012+8047 STT 487 (HD 217992) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23012+8047 STT 487 (HD 217992) : MEASURES
 
 
No records found.

 
 
WDS 23012+8047 (HD 217992) : VIRTUAL EYEPIECE
 
 

23012+8047 STT 487A mag 7.04 Sp A3 23012+8047 STT 487B sep 0.5 P.A. 198.90 mag 8.31 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 23012+8047 (HD 217992) : ALADIN DSS IMAGE @ 23h 01m 14.77s +80° 46' 54.2"
 
 
 
 
WDS 23012+8047 STT 487 (HD 217992) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23012+8047 STT 487 distance=0' 22573+8104 LOC 533 distance=20' 23049+8030 LOC 544 distance=20' 22578+8028 LDS2020 distance=21' 22592+8021 BU 1522 distance=27' 23114+8030 TDT3925 distance=31' 23022+8014 KIR 24AB distance=33' 23022+8014 KIR 24AC distance=33' 22550+8117 HDS3259 distance=34' 22556+8121 LOC 534 distance=37' 22455+8046 LOC 535 distance=38' 22487+8111 LDS2011 distance=39' 23112+8121 HU 786 distance=42' 22573+8133 TDT3812 distance=47' 22429+8105 LOC 532 distance=48' 22537+8130 LDS2014 distance=48' 23038+8140 LOC 543 distance=54' 22524+8137 KPP3387 distance=55' 23175+8126 BU 9030 distance=55' 22445+8009 MLR 265 distance=57' 23207+8127 HJ 3191 distance=61' 22462+8138 LDS2009 distance=61' 23135+7953 HU 789 distance=63' 23109+8149 STF2996 distance=66' 22523+7943 LOC 531 distance=69' 23201+7945 SKF1256 distance=79' 22484+7933 TDS1185 distance=81' 23154+7929 LDS2032 distance=86' 23210+7926 LDS2036 distance=96' 22482+7916 TDT3710 distance=98' 23123+7902 HU 787 distance=109' 22442+7907 TDS1182 distance=109' 23089+8235 STT 492 distance=110' 23194+7900 LDS2035AB distance=117' 23194+7900 MKR 1AC distance=117' 23194+7900 LAF 72AD distance=117' 23194+7900 LAF 72AE distance=117' 22429+7847 LOC 528 distance=130' 23071+7835 MLR 269 distance=134' 22567+7830 STF2971 distance=138' 22497+7828 LOC 530 distance=143' 22438+7831 STT 481 distance=144' 22475+8309 STT 482AB distance=146' 22475+8309 GUI 37AC distance=146' 22593+7821 LOC 529 distance=146' 22527+8319 LOC 536 distance=154' 23151+8327 STF3003 distance=163' 22496+7802 LDS2012 distance=169' 23087+7755 TDT3901Aa,Ab distance=174' 23087+7755 LOC 538AB distance=174' 23058+7754 LOC 542 distance=174' 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 23012+8047 STT 487 199 0.5 0
Show 22573+8104 LOC 533 56 2.3 20
Show 23049+8030 LOC 544 100 1.6 20
Show 22578+8028 LDS2020 356 10.9 21
Show 22592+8021 BU 1522 6 46.6 27
Show 23114+8030 TDT3925 31 0.4 31
Show 23022+8014 KIR 24 AB 161 95.5 33
Show 23022+8014 KIR 24 AC 283 1.2 33
Show 22550+8117 HDS3259 20 0.1 34
Show 22556+8121 LOC 534 136 1.2 37
Show 22455+8046 LOC 535 217 1.6 38
Show 22487+8111 LDS2011 148 8.1 39
Show 23112+8121 HU 786 343 0.5 42
Show 22573+8133 TDT3812 289 0.6 47
Show 22429+8105 LOC 532 288 1.2 48
Show 22537+8130 LDS2014 130 8.2 48
Show 23038+8140 LOC 543 176 7.4 54
Show 22524+8137 KPP3387 263 1.7 55
Show 23175+8126 BU 9030 41 42.3 55
Show 22445+8009 MLR 265 118 0.3 57
Show 23207+8127 HJ 3191 46 23.2 61
Show 22462+8138 LDS2009 65 3.2 61
Show 23135+7953 HU 789 182 1.9 63
Show 23109+8149 STF2996 106 5.1 66
Show 22523+7943 LOC 531 258 2.3 69
Show 23201+7945 SKF1256 189 6.0 79
Show 22484+7933 TDS1185 129 1.4 81
Show 23154+7929 LDS2032 174 76.0 86
Show 23210+7926 LDS2036 228 14.7 96
Show 22482+7916 TDT3710 222 0.8 98
Show 23123+7902 HU 787 199 0.9 109
Show 22442+7907 TDS1182 49 1.0 109
Show 23089+8235 STT 492 229 9.0 110
Show 23194+7900 LDS2035 AB 214 10.9 117
Show 23194+7900 MKR 1 AC 142 962.8 117
Show 23194+7900 LAF 72 AD 359 6.1 117
Show 23194+7900 LAF 72 AE 50 15.2 117
Show 22429+7847 LOC 528 284 6.3 130
Show 23071+7835 MLR 269 139 1.4 134
Show 22567+7830 STF2971 5 5.6 138
Show 22497+7828 LOC 530 305 7.1 143
Show 22438+7831 STT 481 277 2.2 144
Show 22475+8309 STT 482 AB 39 3.9 146
Show 22475+8309 GUI 37 AC 355 340.6 146
Show 22593+7821 LOC 529 91 1.5 146
Show 22527+8319 LOC 536 335 38.7 154
Show 23151+8327 STF3003 266 21.9 163
Show 22496+7802 LDS2012 295 6.2 169
Show 23087+7755 TDT3901 Aa,Ab 73 0.5 174
Show 23087+7755 LOC 538 AB 236 9.1 174
Show 23058+7754 LOC 542 225 1.5 174

 
 
WDS 23012+8047 : COMPONENTS
 
 
  A
B pa=198.9°
sep=0.47"
 
 
23012+8047 A
 
 
Name HD 217992 Coord arcsec 2000 230114.77+804654.2 Mag 7.04 Spectral class A3 (white)
PmRA 20.00 PmDE 26.0 SAO 3830 HIP 113664
Tycho2 4613-01169-1 HD 217992 GC 32113 BD BD+79 761
Tycho2
Tycho2 4613-01169-1 Pflag RAmdeg 345.31196427 DEmdeg 80.78179221
PmRA 28.5 PmDE 26.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.55 EpDEm 1991.50
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.8 Q pmRA 1.0
Q pmDE 1.9 BTmag 6.966 E BTmag 0.015 VTmag 6.717
E VTmag 0.010 Prox 999 TYC T HIP 113664
CCDM AB RAdeg 345.31155417 DEdeg 80.78173194 EpRA 1990 1.70
EpDE 1990 1.64 E RAdeg 3.6 E DEdeg 3.8 Posflg P
Corr 0.0
SAO
SAO 3830 DelFlag RA1950 PmRA1950 0.0139
DE1950 PmDE1950 0.027 Vmag 6.7 SpType A3
Double code Source 70 CatNum 32113 DM BD+79 761
DMcomp BDsup HD 217992 M HD 0
GC 32113 RA1950rad 6.02314256 DE1950rad 1.40520424 PmRA2000 0.014
PmDE2000 0.021
Hipparcos
Catalog H HIP 113664 Proxy H RAhms 23 01 14.77
DEdms +80 46 54.2 Vmag 6.68 VarFlag R Vmag H
RAdeg 345.312 DEdeg 80.7817 AstroRef * Plx 7.26
CCDM 29.53 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 21 Rho 0.294 HD BD BD+79 761
CD CP Dm number +79 761 VIred 0.24
SpType A3 R SpType Coord arcsec 2000 230114.77+804654.2
Hipparcos 2
HIP 113664 Sn 55 So 3 Nc 2
RArad 6.0268233444 DErad 1.4099071576 Plx 7.38 PmRA 29.84
PmDE 24.68 E RArad 0.35 E DErad 0.33 E Plx 0.38
E pmRA 0.43 E pmDE 0.37 Hpmag E Hpmag 0.0006
SHp 0.009 VA 0 BV 0.241 E BV 0.007
VI 0.27
CCDM
Ccdm 23012+8047 RComp Comp A Note1
Note2 Discov num DRAs 2.50 DDEs -5.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp A3 PmNote *
PmRA 12 PmDE 27 Dm number +79 761 Cat1 BD
Name2 +80 483 Cat2 AGK2/3 HD 217992 M HD
ADS BDS A16469 M ADS BDS N IDS IDS 22595N8014A
HIC 113664
 
 
23012+8047 B
 
 
Coord arcsec 2000 230114.71+804653.8 Mag 8.31 Delta magnitude 1.27 Coordinate calculated yes
CCDM
Ccdm 23012+8047 RComp Comp B Note1
Note2 Discov num STT 487 DRAs DDEs
R dRAs Year 1955 Theta 162 Rho 0.1
Obs 14 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16469 M ADS BDS N N IDS IDS 22595N8014B
HIC 113664