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Doubles in session


Current system
18146-1113
HLD 142
HD 167220


Nearby doubles
22' : 18132-1114
TDT 741

22' : 18161-1111
HDS2579

51' : 18181-1118
SNA 86

64' : 18189-1101
HU 60

67' : 18164-1214
BRT2747

67' : 18181-1155
TDT 783

69' : 18175-1206
WRS 12

70' : 18182-1159
SKF1505

71' : 18183-1157
BRT2750

71' : 18160-1006
HU 58

80' : 18181-1215
TRN 27AB

80' : 18187-1206
SNA 90AB

81' : 18181-1214
LNV 7

84' : 18099-1027
TSN 186

86' : 18202-1137
BRT2751

87' : 18103-1211
KPP4088

93' : 18207-1138
SKF2802

97' : 18174-0946
HDS2584

97' : 18188-1227
SZA 5

98' : 18166-1247
TSN 45

103' : 18184-1239
TDT 785

104' : 18181-0943
RST4584

105' : 18204-1011
HER 2

107' : 18101-1235
GWP2765AB

109' : 18218-1139
HU 62

114' : 18143-1306
RST4003



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.

18146-1113 HLD 142 (HD 167220)

 
 
18h 14m 38.36s -11° 13' 00.0" P.A. 253.00 sep 1.3 mag 9.51,9.83 Sp B9
 
 
Coord 2000 18146-1113 Discov num HLD 142 Comp Coord arcsec 2000 18 14 38.36 -11 13 00.0
Date first 1888 Date last 2018 Obs 8
Pa first 243 Pa last 252.9 P.A. Now (θ) 252.9°
Sep first 1.2 Sep last 1.27 Sep. Now (ρ) 1.27"
Mag pri 9.51 Mag sec 9.83 delta mag (ΔM) 0.32 Spectral class B9 (blue-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -003 Sec motion dec -003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167220 Constellation Serpens SAO 161210 Tycho2 5680-00019-1
Gaia DR2 4156972333242338816 HD 167220
 
 
WDS 18146-1113 HLD 142 (HD 167220) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hld1874 Ma - Holden, E.S. .
Hld1874 Washington Observations, 1874
Hld1875 Ma - Holden, E.S. .
Hld1875 Washington Observations, 1875
Hld1875b Ma j Holden, E.S. & Newcomb, S. 1875AN.....86..321H
Hld1875b AN 86, 321, 1875
Hld1875c Ma j Holden, E.S. 1875AN.....86..321H
Hld1875c AN 86, 321, 1875
Hld1876 Ma - Holden, E.S. .
Hld1876 Washington Observations, 1876
Hld1876b Ma j Holden, E.S. 1876AN.....88..131H
Hld1876b AN 88, 131, 1876
Hld1877 Ma - Holden, E.S. 1877AN.....90..161H
Hld1877 AN 90, 161, 1877
Hld1877b Ma j Holden, E.S. 1877AN.....90..161H
Hld1877b AN 90, 161, 1877
Hld1878 Ma - Holden, E.S. .
Hld1878 Washington Observations, 1878
Hld1878b Ma j Holden, E.S. 1878AN.....93...65H
Hld1878b AN 93, 65, 1878 (data also in Hld1878)
Hld1879 Ma - Holden, E.S. .
Hld1879 Washington Observations, 1879
Hld1879b Ma j Holden, E.S. 1879AN.....95..329H
Hld1879b AN 95, 329, 1879 (data also in Hld1879)
Hld1880 Ma - Holden, E.S. .
Hld1880 Washington Observations, 1880
Hld1880b Ma j Holden, E.S. 1880AN.....97..319H
Hld1880b AN 97, 319, 1880 (data also in Hld1880)
Hld1881 Ma - Holden, E.S. .
Hld1881 Washington Observations, 1881
Hld1881b Ma j Holden, E.S. 1881MNRAS..41..416.
Hld1881b MNRAS 41, 416, 1881
Hld1882 Ma - Holden, E.S. 1882PWasO...1...77H
Hld1882 Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894) 1894PLicO...2.....B
Hld1884 Ma - Holden, E.S. 1884PWasO...2...97H
Hld1884 Pub. Washburn Obs. 2, 97, 1884
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18146-1113 HLD 142 1991 7 253 1.2 9.51 9.83 B9 181438.36-111300.0
18146-1113 HLD 142 2016 8 254 1.2 9.51 9.83 B9 181438.36-111300.0
18146-1113 HLD 142 2018 8 253 1.3 9.51 9.83 B9 181438.36-111300.0

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

 
 
WDS 18146-1113 HLD 142 (HD 167220) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18146-1113 HLD 142 (HD 167220) : MEASURES
 
 
No records found.

 
 
WDS 18146-1113 (HD 167220) : VIRTUAL EYEPIECE
 
 

18146-1113 HLD 142A mag 9.51 Sp B9 18146-1113 HLD 142B sep 1.2 P.A. 252.60 mag 9.83 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 18146-1113 (HD 167220) : ALADIN DSS IMAGE @ 18h 14m 38.36s -11° 13' 00.0"
 
 
 
 
WDS 18146-1113 HLD 142 (HD 167220) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18146-1113 HLD 142 distance=0' 18132-1114 TDT 741 distance=22' 18161-1111 HDS2579 distance=22' 18181-1118 SNA 86 distance=51' 18189-1101 HU 60 distance=64' 18164-1214 BRT2747 distance=67' 18181-1155 TDT 783 distance=67' 18175-1206 WRS 12 distance=69' 18182-1159 SKF1505 distance=70' 18183-1157 BRT2750 distance=71' 18160-1006 HU 58 distance=71' 18181-1215 BRT2749KJ distance=80' 18181-1215 DBK 1Aa,Ab distance=80' 18181-1215 TRN 27AB distance=80' 18181-1215 SS 7AC distance=80' 18181-1215 SS 7AD distance=80' 18181-1215 SS 7AE distance=80' 18181-1215 SS 7AF distance=80' 18181-1215 SS 7AG distance=80' 18181-1215 SS 7AH distance=80' 18181-1215 SS 7AI distance=80' 18181-1215 SS 7AJ distance=80' 18181-1215 SS 7AK distance=80' 18181-1215 SS 7AL distance=80' 18181-1215 SS 7AM distance=80' 18181-1215 SS 7AN distance=80' 18181-1215 SS 7AO distance=80' 18181-1215 SS 7AP distance=80' 18181-1215 SS 7AQ distance=80' 18187-1206 SNA 90Aa,Ab distance=80' 18187-1206 SNA 90AB distance=80' 18187-1206 SNA 90AC distance=80' 18181-1214 LNV 7 distance=81' 18099-1027 TSN 186 distance=84' 18202-1137 BRT2751 distance=86' 18103-1211 KPP4088 distance=87' 18207-1138 SKF2802 distance=93' 18174-0946 HDS2584 distance=97' 18188-1227 SZA 5 distance=97' 18166-1247 TSN 45 distance=98' 18184-1239 TDT 785 distance=103' 18181-0943 RST4584 distance=104' 18204-1011 HER 2 distance=105' 18101-1235 GWP2765AB distance=107' 18218-1139 HU 62 distance=109' 18143-1306 RST4003 distance=114' 18195-1242 RST4006 distance=114' 18218-1155 EGN 22AB (Alasia) distance=114' 18218-1155 EGN 22AC (Alasia) distance=114' 18218-1155 EGN 22AD (Alasia) distance=114' 18218-1155 EGN 22AE (Alasia) distance=114' 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 18146-1113 HLD 142 253 1.3
Show 18132-1114 TDT 741 99 0.6 22
Show 18161-1111 HDS2579 78 7.8 22
Show 18181-1118 SNA 86 68 7.2 51
Show 18189-1101 HU 60 260 1.4 64
Show 18164-1214 BRT2747 4 3.9 67
Show 18181-1155 TDT 783 67 0.5 67
Show 18175-1206 WRS 12 134 8.8 69
Show 18182-1159 SKF1505 3 3.1 70
Show 18183-1157 BRT2750 40 1.5 71
Show 18160-1006 HU 58 127 0.7 71
Show 18181-1215 BRT2749 KJ 121 4.3 80
Show 18181-1215 DBK 1 Aa,Ab 262 0.0 80
Show 18181-1215 TRN 27 AB 40 4.8 80
Show 18181-1215 SS 7 AC 191 14.4 80
Show 18181-1215 SS 7 AD 260 18.1 80
Show 18181-1215 SS 7 AE 217 18.1 80
Show 18181-1215 SS 7 AF 16 30.1 80
Show 18181-1215 SS 7 AG 9 39.4 80
Show 18181-1215 SS 7 AH 268 40.8 80
Show 18181-1215 SS 7 AI 299 45.7 80
Show 18181-1215 SS 7 AJ 258 45.4 80
Show 18181-1215 SS 7 AK 262 48.6 80
Show 18181-1215 SS 7 AL 348 51.8 80
Show 18181-1215 SS 7 AM 255 64.4 80
Show 18181-1215 SS 7 AN 280 71.3 80
Show 18181-1215 SS 7 AO 305 72.1 80
Show 18181-1215 SS 7 AP 285 72.5 80
Show 18181-1215 SS 7 AQ 291 84.9 80
Show 18187-1206 SNA 90 Aa,Ab 303 0.0 80
Show 18187-1206 SNA 90 AB 34 3.0 80
Show 18187-1206 SNA 90 AC 267 7.6 80
Show 18181-1214 LNV 7 51 4.3 81
Show 18099-1027 TSN 186 38 0.8 84
Show 18202-1137 BRT2751 24 3.9 86
Show 18103-1211 KPP4088 200 1.9 87
Show 18207-1138 SKF2802 344 5.6 93
Show 18174-0946 HDS2584 352 0.7 97
Show 18188-1227 SZA 5 136 5.9 97
Show 18166-1247 TSN 45 315 15.7 98
Show 18184-1239 TDT 785 252 1.0 103
Show 18181-0943 RST4584 118 1.1 104
Show 18204-1011 HER 2 18 1.0 105
Show 18101-1235 GWP2765 AB 281 344.7 107
Show 18218-1139 HU 62 25 0.5 109
Show 18143-1306 RST4003 81 0.4 114
Show 18195-1242 RST4006 243 1.3 114
Show Alasia 18218-1155 EGN 22 AB 141 3.3 114
Show Alasia 18218-1155 EGN 22 AC 47 3.7 114
Show Alasia 18218-1155 EGN 22 AD 243 5.6 114
Show Alasia 18218-1155 EGN 22 AE 354 5.9 114

 
 
WDS 18146-1113 : COMPONENTS
 
 
  A
B pa=252.6°
sep=1.25"
 
 
18146-1113 A
 
 
Componente originario normalizzato AB Name HD 167220 Coord arcsec 2000 181438.36-111300.0 Mag 9.51
Spectral class B9 (blue-white) PmRA 4.00 PmDE -3.0 SAO 161210
Tycho2 5680-00019-1 HD 167220 DM BD-11 4566
Tycho2
Tycho2 5680-00019-1 Pflag P RAmdeg 273.65983394 DEmdeg -11.21667076
PmRA 4.0 PmDE -2.5 E RAmdeg 14 E DEmdeg 18
E pmRA 2.4 E pmDE 2.3 EpRAm 1991.31 EpDEm 1990.94
Num 5 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 10.039 E BTmag 0.029 VTmag 9.509
E VTmag 0.024 Prox 12 TYC T HIP
CCDM RAdeg 273.65994194 DEdeg -11.21663167 EpRA 1990 1.93
EpDE 1990 1.95 E RAdeg 13.9 E DEdeg 17.7 Posflg D
Corr -0.1
SAO
SAO 161210 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.019 Vmag 8.5 SpType B9
Double code Source 20 CatNum 6201 DM BD-11 4566
DMcomp BDsup HD 167220 M HD 0
GC RA1950rad 4.76411657 DE1950rad -0.19604503 PmRA2000 -0.0003
PmDE2000 0.021
CCDM
Ccdm 18146-1113 RComp Comp A Note1
Note2 Discov num DRAs 2.30 DDEs 1.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp B9 PmNote *
PmRA -7 PmDE 19 Dm number -11 4566 Cat1 BD
Name2 161210 Cat2 SAO HD 167220 M HD
ADS BDS A11184 M ADS BDS N IDS IDS 18091S1114A
HIC
 
 
18146-1113 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181438.28-111300.4 Mag 9.83 PmRA 4.00
PmDE -3.0 Tycho2 5680-00019-2 Calc delta mag 0.32 Calc coord yes
Tycho2
Tycho2 5680-00019-2 Pflag P RAmdeg 273.65983394 DEmdeg -11.21667076
PmRA 4.0 PmDE -2.5 E RAmdeg 14 E DEmdeg 18
E pmRA 2.4 E pmDE 2.3 EpRAm 1991.31 EpDEm 1990.94
Num 5 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 10.370 E BTmag 0.035 VTmag 9.828
E VTmag 0.031 Prox 12 TYC HIP
CCDM RAdeg 273.65962583 DEdeg -11.21672417 EpRA 1990 1.93
EpDE 1990 1.96 E RAdeg 18.2 E DEdeg 23.3 Posflg D
Corr -0.1
CCDM
Ccdm 18146-1113 RComp Comp B Note1
Note2 Discov num HLD 142 DRAs DDEs
R dRAs Year 1888 Theta 246 Rho 1.1
Obs 4 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11184 M ADS BDS N IDS IDS 18091S1114B
HIC