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Current system
22518+3943
HO 298
HD 216354


Nearby doubles
16' : 22515+3958
TDT3755AB

22' : 22520+4004
TDT3759

26' : 22507+4005
MLB 966

31' : 22540+4000
ES 1701

34' : 22505+3912
MLB 965

37' : 22486+3938
ALI1176

42' : 22534+4020
ES 266

44' : 22505+4024
TDT3742

45' : 22551+3921
ALI 999

47' : 22554+4005
BRT2237

47' : 22492+3909
ALI 996

48' : 22499+3901
ALI 997

48' : 22479+3927
MLB 800AB

49' : 22501+4028
MLB1025

51' : 22501+4029
WLY 14

54' : 22497+4031
STF2946

55' : 22494+4030
GRV 610

57' : 22472+4004
ALI1175

58' : 22474+3917
MLB 799

58' : 22512+4041
J 3183

59' : 22522+3845
RAO 522

59' : 22534+4039
J 3329

59' : 22568+3958
ALI1180

60' : 22569+3945
MLB 801

60' : 22569+3935
COU1841AB

61' : 22553+4028
COU1840



Selections
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Binocular doubles
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22518+3943 HO 298 (HD 216354)

 
 
22h 51m 47.96s +39° 42' 52.4" P.A. 36.00 sep 0.2 mag 8.80,12.10 Sp A2 dist. 251.26 pc (819.61 l.y.)
 
 
Coord 2000 22518+3943 Discov num HO  298 Comp Coord arcsec 2000 22 51 47.96 +39 42 52.4
Date first 1888 Date last 2013 Obs 4
Pa first 182 Pa last 36.3 P.A. Now (θ) 36.3°
Sep first 0.7 Sep last 0.249 Sep. Now (ρ) 0.249"
Mag pri 8.80 Mag sec 12.10 delta mag (ΔM) 3.3 Spectral class A2 (white)
Pri motion ra +016 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 216354 Constellation Lacerta SAO 72792 HIP 112903
Tycho2 3219-00379-1 Gaia DR2 1929353052292081536 HD 216354 BD BD+38 4884
Distance 251.26 Distance ly 819.61
 
 
WDS 22518+3943 HO 298 (HD 216354) : NOTES
 
 
discov_num notes refcode
HO 298 Companion not seen 1944-1946, 1969.
 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22518+3943 HO 298 1935 3 186 0.9 8.80 12.10 A2 N 225147.96+394252.4
22518+3943 HO 298 2013 4 36 0.2 8.80 12.10 A2 N 225147.96+394252.4

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

 
 
WDS 22518+3943 HO 298 (HD 216354) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22518+3943 HO 298 (HD 216354) : MEASURES
 
 
No records found.

 
 
WDS 22518+3943 (HD 216354) : VIRTUAL EYEPIECE
 
 

22518+3943 HO 298A mag 8.8 Sp A2 22518+3943 HO 298B sep 0.2 P.A. 29.50 mag 12.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 22518+3943 (HD 216354) : ALADIN DSS IMAGE @ 22h 51m 47.96s +39° 42' 52.4"
 
 
 
 
WDS 22518+3943 HO 298 (HD 216354) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22518+3943 HO 298 distance=0' 22515+3958 TDT3755AB distance=16' 22520+4004 TDT3759 distance=22' 22507+4005 MLB 966 distance=26' 22540+4000 ES 1701 distance=31' 22505+3912 MLB 965 distance=34' 22486+3938 ALI1176 distance=37' 22534+4020 ES 266 distance=42' 22505+4024 TDT3742 distance=44' 22551+3921 ALI 999 distance=45' 22554+4005 BRT2237 distance=47' 22492+3909 ALI 996 distance=47' 22499+3901 ALI 997 distance=48' 22479+3927 MLB 800AB distance=48' 22479+3927 MLB 800AC distance=48' 22501+4028 MLB1025 distance=49' 22501+4029 WLY 14 distance=51' 22497+4031 STF2946 distance=54' 22494+4030 GRV 610 distance=55' 22472+4004 ALI1175 distance=57' 22474+3917 MLB 799 distance=58' 22512+4041 J 3183 distance=58' 22522+3845 RAO 522 distance=59' 22534+4039 J 3329 distance=59' 22568+3958 ALI1180 distance=59' 22569+3945 MLB 801 distance=60' 22569+3935 COU1841AB distance=60' 22569+3935 GII 89Aa,Ab distance=60' 22553+4028 COU1840 distance=61' 22545+3847 MLB 33 distance=64' 22576+3931 NSN 762 distance=69' 22469+3903 MLB 996 distance=70' 22557+3846 ALI1000 distance=73' 22491+4050 TDT3725 distance=74' 22455+4005 ES 1700 distance=75' 22476+4041 BWL 58 distance=76' 22576+3909 TDT3814 distance=76' 22453+4002 AG 287 distance=78' 22588+3935 TDT3823 distance=82' 22579+3856 TDT3817 distance=86' 22593+3946 ALI1181 distance=88' 22564+4054 ES 1702 distance=89' 22441+3928 STF2942AB distance=91' 22441+3928 BU 450AC distance=91' 22441+3928 ORL 8Aa,Ab distance=91' 22487+3818 AG 288 distance=93' 22578+3840 HJ 1832 distance=94' 22552+3818 UC 4845 distance=94' 22594+4017 HLD 55 distance=94' 22599+3933 TDT3829 distance=95' 22437+3929 CBL 104 distance=95' 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 22518+3943 HO 298 36 0.2
Show 22515+3958 TDT3755 AB 220 1.4 16
Show 22520+4004 TDT3759 112 0.7 22
Show 22507+4005 MLB 966 121 7.2 26
Show 22540+4000 ES 1701 65 8.3 31
Show 22505+3912 MLB 965 218 7.1 34
Show 22486+3938 ALI1176 5 11.3 37
Show 22534+4020 ES 266 80 10.5 42
Show 22505+4024 TDT3742 140 0.6 44
Show 22551+3921 ALI 999 319 13.9 45
Show 22554+4005 BRT2237 279 3.9 47
Show 22492+3909 ALI 996 196 13.3 47
Show 22499+3901 ALI 997 20 9.5 48
Show 22479+3927 MLB 800 AB 26 3.5 48
Show 22479+3927 MLB 800 AC 180 45.6 48
Show 22501+4028 MLB1025 164 7.9 49
Show 22501+4029 WLY 14 337 12.1 51
Show 22497+4031 STF2946 262 5.4 54
Show 22494+4030 GRV 610 62 27.6 55
Show 22472+4004 ALI1175 71 7.2 57
Show 22474+3917 MLB 799 295 3.7 58
Show 22512+4041 J 3183 211 4.8 58
Show 22522+3845 RAO 522 -1 0.2 59
Show 22534+4039 J 3329 354 4.6 59
Show 22568+3958 ALI1180 32 10.1 59
Show 22569+3945 MLB 801 178 6.0 60
Show 22569+3935 COU1841 AB 228 1.7 60
Show 22569+3935 GII 89 Aa,Ab 260 0.2 60
Show 22553+4028 COU1840 64 0.3 61
Show 22545+3847 MLB 33 299 6.2 64
Show 22576+3931 NSN 762 6 1.2 69
Show 22469+3903 MLB 996 156 0.6 70
Show 22557+3846 ALI1000 247 10.9 73
Show 22491+4050 TDT3725 243 0.7 74
Show 22455+4005 ES 1700 239 4.8 75
Show 22476+4041 BWL 58 290 3.7 76
Show 22576+3909 TDT3814 318 0.6 76
Show 22453+4002 AG 287 194 14.5 78
Show 22588+3935 TDT3823 54 0.5 82
Show 22579+3856 TDT3817 210 2.0 86
Show 22593+3946 ALI1181 150 13.1 88
Show 22564+4054 ES 1702 264 3.3 89
Show 22441+3928 STF2942 AB 277 2.8 91
Show 22441+3928 BU 450 AC 247 9.0 91
Show 22441+3928 ORL 8 Aa,Ab 65 0.2 91
Show 22487+3818 AG 288 186 18.7 93
Show 22578+3840 HJ 1832 73 11.4 94
Show 22552+3818 UC 4845 290 8.4 94
Show 22594+4017 HLD 55 201 1.5 94
Show 22599+3933 TDT3829 239 0.6 95
Show 22437+3929 CBL 104 9 62.7 95

 
 
WDS 22518+3943 : COMPONENTS
 
 
  A
B pa=29.5°
sep=0.23"
 
 
22518+3943 A
 
 
Componente originario normalizzato AB Name HD 216354 Coord arcsec 2000 225147.96+394252.4 Mag 8.8
Spectral class A2 (white) PmRA 16.00 PmDE 0.0 SAO 72792
HIP 112903 Tycho2 3219-00379-1 HD 216354 BD BD+38 4884
Tycho2
Tycho2 3219-00379-1 Pflag RAmdeg 342.94987011 DEmdeg 39.71455938
PmRA 12.8 PmDE 3.5 E RAmdeg 6 E DEmdeg 6
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.33 EpDEm 1991.31
Num 9 Q RAmdeg 1.0 Q DEmdeg 1.7 Q pmRA 1.1
Q pmDE 1.6 BTmag 8.832 E BTmag 0.016 VTmag 8.583
E VTmag 0.012 Prox 999 TYC T HIP 112903
CCDM RAdeg 342.94983222 DEdeg 39.71455139 EpRA 1990 1.74
EpDE 1990 1.72 E RAdeg 5.5 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 72792 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.005 Vmag 8.3 SpType A2
Double code Source 5 CatNum 2447 DM BD+38 4884
DMcomp BDsup HD 216354 M HD 0
GC RA1950rad 5.97561112 DE1950rad 0.68851195 PmRA2000 0.0005
PmDE2000 0.001
Hipparcos
Catalog H HIP 112903 Proxy RAhms 22 51 47.96
DEdms +39 42 52.4 Vmag 8.55 VarFlag R Vmag H
RAdeg 342.95 DEdeg 39.7146 AstroRef Plx 2.98
CCDM 22518+3943 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 216354 BD BD+38 4884
CD CP Dm number +38 4884 VIred 0.29
SpType A2 R SpType Coord arcsec 2000 225147.96+394252.4
Hipparcos 2
HIP 112903 Sn 5 So 0 Nc 1
RArad 5.9856036698 DErad 0.6931497001 Plx 3.98 PmRA 11.29
PmDE 3.47 E RArad 0.67 E DErad 0.47 E Plx 0.79
E pmRA 0.88 E pmDE 0.67 Hpmag 8.619 E Hpmag 0.0015
SHp 0.017 VA 0 BV 0.249 E BV 0.014
VI 0.28
CCDM
Ccdm 22518+3943 RComp Comp A Note1
Note2 Discov num DRAs 0.01 DDEs -7.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp A2 PmNote *
PmRA 25 PmDE 8 Dm number +38 4884 Cat1 BD
Name2 +39 2447 Cat2 AGK2/3 HD 216354 M HD
ADS BDS A16322 M ADS BDS N IDS IDS 22472N3911A
HIC 112903
 
 
22518+3943 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 225147.97+394252.6 Mag 12.1 Calc delta mag 3.3
Calc coord yes
CCDM
Ccdm 22518+3943 RComp Comp B Note1
Note2 Discov num HO 298 DRAs DDEs
R dRAs Year 1888 Theta 181 Rho 0.8
Obs 3 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16322 M ADS BDS N N IDS IDS 22472N3911B
HIC 112903