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Current system
22434+6744
HJ 1807 AB
HD 215440


Nearby doubles
20' : 22427+6803
MLB 315

22' : 22455+6805
MLB 317

26' : 22394+6755
TDS1177

26' : 22450+6808
STT 529AB

43' : 22494+6810
STT 530

47' : 22510+6803
LDS5008

48' : 22477+6826
AZC 183

50' : 22403+6830
BU 845AB

50' : 22390+6828
CBL 544

51' : 22427+6835
MLB 316AB

55' : 22527+6759
STTA238AB

56' : 22400+6650
MLB 273

59' : 22490+6834
STF2947AB

62' : 22327+6737
MLB 272

63' : 22466+6644
DJU 8

67' : 22512+6835
TDT3750

69' : 22343+6830
BU 708

69' : 22331+6710
MLB1101

74' : 22307+6732
BU 704AB

74' : 22331+6830
BU 706AB

79' : 22325+6834
WHC 28

80' : 22496+6633
STF2948

80' : 22301+6812
BU 479

90' : 22463+6616
HU 984

92' : 22281+6719
MLB 314

93' : 22562+6649
HU 988



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22434+6744 HJ 1807 AB (HD 215440)

 
 
22h 43m 25.98s +67° 44' 19.7" P.A. 187.00 sep 23.9 mag 8.74,10.29 Sp A2
 
 
Coord 2000 22434+6744 Discov num HJ 1807 Comp AB Coord arcsec 2000 22 43 25.98 +67 44 19.7
Date first 1828 Date last 2015 Obs 19
Pa first 188 Pa last 187.3 P.A. Now (θ) 187.3°
Sep first 20.0 Sep last 23.889 Sep. Now (ρ) 23.889"
Mag pri 8.74 Mag sec 10.29 delta mag (ΔM) 1.55 Spectral class A2 (white)
Pri motion ra -051 Sec motion ra -051
Pri motion dec -007 Sec motion dec -008
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.019 (< 0.3, Physical double)
This double is physical.
 
 
22434+6744 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 215440 20218 22 43 26 +67 44 20 HJ 1807 AB 2015 19 187 23.9 8.74 10.29 1.55 <===
Show 22 43 25 +67 43 56 HU 92 BC 2015 11 345 1.4 10.29 10.36 0.07
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 215440 Constellation Cepheus SAO 20218 Tycho2 4476-01460-1
Gaia DR2 2224959433481165824 HD 215440
 
 
WDS 22434+6744 HJ 1807 AB (HD 215440) : NOTES
 
 
discov_num notes refcode
HJ 1807 AB: HJL 308. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22434+6744 HJ 1807 AB 1999 15 188 23.4 8.74 10.29 A2 DV 224325.98+674419.7
22434+6744 HJ 1807 AB 2010 17 188 23.5 8.74 10.29 A2 NVD 224325.98+674419.7
22434+6744 HJ 1807 AB 2015 19 187 23.9 8.74 10.29 A2 NV 224325.98+674419.7

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

 
 
WDS 22434+6744 HJ 1807 AB (HD 215440) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22434+6744 HJ 1807 AB (HD 215440) : MEASURES
 
 
No records found.

 
 
WDS 22434+6744 (HD 215440) : VIRTUAL EYEPIECE
 
 

22434+6744 HJ 1807A mag 8.74 Sp A2 22434+6744 HU 92B sep 23.4 P.A. 187.80 mag 10.29 22434+6744 HU 92C sep 22.1 P.A. 188.60 mag 10.36 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 22434+6744 (HD 215440) : ALADIN DSS IMAGE @ 22h 43m 25.98s +67° 44' 19.7"
 
 
 
 
WDS 22434+6744 HJ 1807 AB (HD 215440) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22434+6744 HJ 1807AB distance=0' 22434+6744 HU 92BC distance=1' 22427+6803 MLB 315 distance=20' 22455+6805 MLB 317 distance=22' 22394+6755 TDS1177 distance=26' 22450+6808 STT 529AB distance=26' 22450+6808 STT 529AC distance=26' 22494+6810 STT 530 distance=43' 22510+6803 LDS5008 distance=47' 22477+6826 AZC 183 distance=48' 22403+6830 BU 845AB distance=50' 22403+6830 BU 845AC distance=50' 22403+6830 FOX 269AD distance=50' 22390+6828 CBL 544 distance=50' 22427+6835 MLB 316AB distance=51' 22427+6835 MLB 316AC distance=51' 22527+6759 STTA238BC distance=54' 22527+6759 HDS3247Aa,Ab distance=55' 22527+6759 STTA238AB distance=55' 22400+6650 MLB 273 distance=56' 22490+6834 STF2947AB distance=59' 22490+6834 STF2947AC distance=59' 22490+6834 STF2947BC distance=59' 22327+6737 MLB 272 distance=62' 22466+6644 DJU 8 distance=63' 22512+6835 TDT3750 distance=67' 22343+6830 BU 708 distance=69' 22331+6710 MLB1101 distance=69' 22307+6732 BU 704AB distance=74' 22307+6732 BU 704AC distance=74' 22307+6732 FOX 268AD distance=74' 22331+6830 BU 706AB distance=74' 22331+6830 BU 706AC distance=74' 22325+6834 WHC 28 distance=79' 22496+6633 STF2948 distance=80' 22301+6812 BU 479 distance=80' 22463+6616 HU 984 distance=90' 22281+6719 MLB 314 distance=92' 22562+6649 HU 988 distance=93' 22478+6614 MLR 85 distance=95' 22373+6913 CHR 113 distance=95' 22585+6705 HJ 1838 distance=96' 22561+6643 BU 849 distance=96' 23003+6755 GIC 187 distance=97' 22497+6612 SHY 359 distance=100' 22344+6915 LDS4979 distance=104' 23017+6748 HU 993 distance=104' 22403+6930 TOI1516 distance=108' 22484+6600 MLB 274 distance=110' 22520+6925 HJ 1829 distance=112' 22535+6607 MLR 86Aa,Ab distance=115' 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 22434+6744 HJ 1807 AB 187 23.9
Show 22434+6744 HU 92 BC 345 1.4 1
Show 22427+6803 MLB 315 233 2.8 20
Show 22455+6805 MLB 317 13 5.8 22
Show 22394+6755 TDS1177 277 1.1 26
Show 22450+6808 STT 529 AB 203 3.7 26
Show 22450+6808 STT 529 AC 223 17.2 26
Show 22494+6810 STT 530 210 5.1 43
Show 22510+6803 LDS5008 284 35.0 47
Show 22477+6826 AZC 183 222 25.6 48
Show 22403+6830 BU 845 AB 205 7.3 50
Show 22403+6830 BU 845 AC 17 16.4 50
Show 22403+6830 FOX 269 AD 97 44.6 50
Show 22390+6828 CBL 544 38 72.5 50
Show 22427+6835 MLB 316 AB 122 3.0 51
Show 22427+6835 MLB 316 AC 347 13.3 51
Show 22527+6759 STTA238 BC 254 52.0 54
Show 22527+6759 HDS3247 Aa,Ab 324 0.2 55
Show 22527+6759 STTA238 AB 280 69.2 55
Show 22400+6650 MLB 273 203 8.4 56
Show 22490+6834 STF2947 AB 55 4.6 59
Show 22490+6834 STF2947 AC 208 122.6 59
Show 22490+6834 STF2947 BC 208 120.7 59
Show 22327+6737 MLB 272 273 4.1 62
Show 22466+6644 DJU 8 39 0.8 63
Show 22512+6835 TDT3750 227 1.2 67
Show 22343+6830 BU 708 312 7.8 69
Show 22331+6710 MLB1101 152 11.6 69
Show 22307+6732 BU 704 AB 205 2.4 74
Show 22307+6732 BU 704 AC 290 47.7 74
Show 22307+6732 FOX 268 AD 163 61.5 74
Show 22331+6830 BU 706 AB 19 2.8 74
Show 22331+6830 BU 706 AC 251 31.2 74
Show 22325+6834 WHC 28 153 13.5 79
Show 22496+6633 STF2948 3 2.6 80
Show 22301+6812 BU 479 27 2.4 80
Show 22463+6616 HU 984 8 0.8 90
Show 22281+6719 MLB 314 165 4.5 92
Show 22562+6649 HU 988 172 1.1 93
Show 22478+6614 MLR 85 37 1.0 95
Show 22373+6913 CHR 113 357 0.6 95
Show 22585+6705 HJ 1838 255 1.5 96
Show 22561+6643 BU 849 96 6.5 96
Show 23003+6755 GIC 187 29 12.1 97
Show 22497+6612 SHY 359 184 999.9 100
Show 22344+6915 LDS4979 100 50.4 104
Show 23017+6748 HU 993 215 2.1 104
Show 22403+6930 TOI1516 28 7.1 108
Show 22484+6600 MLB 274 2 4.6 110
Show 22520+6925 HJ 1829 354 12.8 112
Show 22535+6607 MLR 86 Aa,Ab 32 0.5 115

 
 
WDS 22434+6744 : COMPONENTS
 
 
  A B
B pa=187.8°
sep=23.42"
 
C pa=188.6°
sep=22.11"
pa=354.2°
sep=1.35"
 
 
22434+6744 A
 
 
Name HD 215440 Coord arcsec 2000 224325.98+674419.7 Mag 8.74 Spectral class A2 (white)
PmRA -51.00 PmDE -7.0 SAO 20218 Tycho2 4476-01460-1
HD 215440 DM BD+66 1539
Tycho2
Tycho2 4476-01460-1 Pflag RAmdeg 340.85828987 DEmdeg 67.73880731
PmRA -48.5 PmDE -8.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.16 EpDEm 1991.18
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.3 BTmag 9.053 E BTmag 0.017 VTmag 8.744
E VTmag 0.013 Prox 227 TYC T HIP
CCDM RAdeg 340.85858667 DEdeg 67.73882750 EpRA 1990 1.67
EpDE 1990 1.68 E RAdeg 6.9 E DEdeg 7.2 Posflg
Corr 0.0
SAO
SAO 20218 DelFlag RA1950 PmRA1950 -0.0191
DE1950 PmDE1950 -0.394 Vmag 8.6 SpType F8
Double code Source 2 CatNum 1032 DM BD+66 1539
DMcomp A BDsup HD 215440 M HD 0
GC RA1950rad 5.9418022 DE1950rad 1.17753226 PmRA2000 -0.0188
PmDE2000 -0.401
CCDM
Ccdm 22434+6744 RComp Comp A Note1
Note2 Discov num DRAs 1.77 DDEs 20.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.8 Sp A2 PmNote *
PmRA -65 PmDE 4 Dm number +66 1539 Cat1 BD
Name2 +67 1033 Cat2 AGK2/3 HD 215440 M HD
ADS BDS A16226 M ADS BDS N IDS IDS 22402N6712A
HIC
 
 
22434+6744 B
 
 
Coord arcsec 2000 224325.42+674356.5 Coord calc 224325.42+674356.5 Mag 10.29 PmRA -49.00
PmDE -11.0 Tycho2 4476-01474-1 Calc delta mag 1.55
Tycho2
Tycho2 4476-01474-1 Pflag P RAmdeg 340.85595071 DEmdeg 67.73238142
PmRA -49.2 PmDE -10.8 E RAmdeg 24 E DEmdeg 28
E pmRA 1.5 E pmDE 1.6 EpRAm 1989.01 EpDEm 1988.38
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.0 BTmag 10.772 E BTmag 0.042 VTmag 10.290
E VTmag 0.040 Prox 13 TYC T HIP
CCDM RAdeg 340.85638278 DEdeg 67.73223861 EpRA 1990 1.76
EpDE 1990 1.62 E RAdeg 23.7 E DEdeg 28.0 Posflg D
Corr 0.0
CCDM
Ccdm 22434+6744 RComp Comp B Note1
Note2 Discov num HJ 1807 DRAs 1.29 DDEs -3.1
R dRAs 10 Year 1899 Theta 188 Rho 23.6
Obs 3 Vmag 9.8 Sp PmNote *
PmRA -63 PmDE -4 Dm number Cat1
Name2 +67 1032 Cat2 AGK2/3 HD M HD
ADS BDS A16226 M ADS BDS N IDS IDS 22402N6712B
HIC
 
 
22434+6744 C
 
 
Coord arcsec 2000 224325.40+674357.8 Mag 10.36 PmRA -49.00 PmDE -11.0
Tycho2 4476-01474-2 Calc delta mag 1.62 Calc coord yes
Tycho2
Tycho2 4476-01474-2 Pflag P RAmdeg 340.85595071 DEmdeg 67.73238142
PmRA -49.2 PmDE -10.8 E RAmdeg 24 E DEmdeg 28
E pmRA 1.5 E pmDE 1.6 EpRAm 1989.01 EpDEm 1988.38
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.0 BTmag 10.815 E BTmag 0.045 VTmag 10.361
E VTmag 0.042 Prox 13 TYC HIP
CCDM RAdeg 340.85610000 DEdeg 67.73259056 EpRA 1990 1.76
EpDE 1990 1.63 E RAdeg 25.4 E DEdeg 30.2 Posflg D
Corr 0.0
CCDM
Ccdm 22434+6744 RComp B Comp C Note1
Note2 Discov num HU 92 DRAs DDEs
R dRAs Year 1899 Theta 351 Rho 1.0
Obs 4 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16226 M ADS BDS N IDS IDS 22402N6712C
HIC