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Doubles in session


Current system
18174-0717
HJ 857


Nearby doubles
34' : 18193-0735
LDT 15

58' : 18201-0759
STF2303

70' : 18131-0747
RST4001

98' : 18108-0710
RST3999

98' : 18154-0850
BRT 476

99' : 18180-0539
LDS6325

107' : 18245-0704
BRT 477

111' : 18120-0601
A 37AB

117' : 18247-0636
STF2313

118' : 18099-0755
HDS2561

122' : 18096-0755
NSN 142

124' : 18181-0920
TDT 782

125' : 18248-0621
TOK 320AB

126' : 18198-0917
SHN 230

127' : 18131-0528
RST4582

131' : 18257-0816
BRT 478

132' : 18214-0915
BWE 1

134' : 18188-0929
RST4585

136' : 18092-0817
RST3998AB

138' : 18081-0707
RST3997

145' : 18198-0458
SCJ 16

145' : 18201-0936
MOC 14AB

147' : 18181-0943
RST4584

149' : 18174-0946
HDS2584

153' : 18224-0505
RST4586

153' : 18114-0512
HO 267



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.

18174-0717 HJ 857

 
 
18h 17m 22.56s -07° 17' 11.0" P.A. 18.00 sep 21.3 mag 8.43,13.50 Sp A0 dist. 208.77 pc (681.01 l.y.)
 
 
Coord 2000 18174-0717 Discov num HJ  857 Comp Coord arcsec 2000 18 17 22.56 -07 17 11.0
Date first 1827 Date last 2015 Obs 10
Pa first 23 Pa last 18.4 P.A. Now (θ) 18.4°
Sep first 16.5 Sep last 21.255 Sep. Now (ρ) 21.255"
Mag pri 8.43 Mag sec 13.50 delta mag (ΔM) 5.07 Spectral class A0 (white)
Pri motion ra +016 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens SAO 142193 HIP 89619 Tycho2 5110-00146-1
Gaia DR2 4160429953717220352 HD 167832 BD BD-07 4582 Distance 208.77
Distance ly 681.01
 
 
WDS 18174-0717 HJ 857 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18174-0717 HJ 857 2006 3 19 21.2 8.20 11.20 A0 D 181722.56-071711.0
18174-0717 HJ 857 2010 6 19 21.0 8.43 13.50 A0 181722.56-071711.0
18174-0717 HJ 857 2015 7 18 21.3 8.43 13.50 A0 181722.56-071711.0

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

 
 
WDS 18174-0717 HJ 857 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18174-0717 HJ 857 : MEASURES
 
 
No records found.

 
 
WDS 18174-0717 : VIRTUAL EYEPIECE
 
 

18174-0717 HJ 857A mag 8.43 Sp A0 18174-0717 HJ 857B sep 21.2 P.A. 18.30 mag 13.5 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 18174-0717 : ALADIN DSS IMAGE @ 18h 17m 22.56s -07° 17' 11.0"
 
 
 
 
WDS 18174-0717 HJ 857 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18174-0717 HJ 857 distance=1' 18193-0735 LDT 15 distance=34' 18201-0759 STF2303 distance=58' 18131-0747 RST4001 distance=70' 18124-0718 A 36BC distance=74' 18124-0718 A 36A,BC distance=75' 18108-0710 RST3999 distance=98' 18154-0850 BRT 476 distance=98' 18180-0539 LDS6325 distance=99' 18245-0704 BRT 477 distance=107' 18120-0601 A 37AB distance=111' 18247-0636 STF2313 distance=117' 18099-0755 HDS2561 distance=118' 18096-0755 NSN 142 distance=122' 18181-0920 TDT 782 distance=124' 18248-0621 TOK 320Ba,Bb distance=125' 18248-0621 TOK 320AB distance=125' 18248-0621 LSC 155Aa,Ab distance=125' 18198-0917 SHN 230 distance=126' 18131-0528 RST4582 distance=127' 18257-0816 BRT 478 distance=131' 18214-0915 BWE 1 distance=132' 18188-0929 RST4585 distance=134' 18092-0817 RST3998AB distance=136' 18092-0817 B 2856AB,C distance=136' 18081-0707 RST3997 distance=138' 18198-0458 SCJ 16 distance=145' 18201-0936 MOC 14AB distance=145' 18201-0936 MOC 14AC distance=145' 18201-0936 MOC 14AD distance=145' 18181-0943 RST4584 distance=147' 18174-0946 HDS2584 distance=149' 18224-0505 RST4586 distance=153' 18114-0512 HO 267 distance=153' 18148-0441 HJ 856 distance=161' 18274-0616 A 86 distance=162' 18250-0517 RST4587 distance=166' 18160-1006 HU 58 distance=170' 18271-0853 HDS2608 distance=174' 18060-0807 A 2595 distance=176' 18061-0819 HDS2551 distance=179' 18204-1011 HER 2 distance=180' 18267-0521 GWP2777 distance=182' 18226-0428 LDS5862 distance=191' 18086-0948 HDS2557 distance=200' 18057-0537 J 3269 distance=202' 18053-0823 J 1645 distance=204' 18294-0533 J 2517 distance=209' 18299-0536 NSN 150 distance=212' 18243-0405 YSC 67AB distance=218' 18243-0405 TOK 420Aa,Ab distance=218' 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 18174-0717 HJ 857 18 21.3 1
Show 18193-0735 LDT 15 133 0.5 34
Show 18201-0759 STF2303 253 1.5 58
Show 18131-0747 RST4001 278 1.9 70
Show 18124-0718 A 36 BC 207 1.3 74
Show 18124-0718 A 36 A,BC 40 70.1 75
Show 18108-0710 RST3999 176 0.2 98
Show 18154-0850 BRT 476 135 4.0 98
Show 18180-0539 LDS6325 217 4.4 99
Show 18245-0704 BRT 477 291 4.0 107
Show 18120-0601 A 37 AB 33 2.4 111
Show 18247-0636 STF2313 196 5.8 117
Show 18099-0755 HDS2561 16 0.9 118
Show 18096-0755 NSN 142 44 25.1 122
Show 18181-0920 TDT 782 85 0.4 124
Show 18248-0621 TOK 320 Ba,Bb 259 0.1 125
Show 18248-0621 TOK 320 AB 321 55.2 125
Show 18248-0621 LSC 155 Aa,Ab 261 0.3 125
Show 18198-0917 SHN 230 -1 0.4 126
Show 18131-0528 RST4582 325 0.6 127
Show 18257-0816 BRT 478 155 7.7 131
Show 18214-0915 BWE 1 71 1.8 132
Show 18188-0929 RST4585 17 0.7 134
Show 18092-0817 RST3998 AB 161 0.4 136
Show 18092-0817 B 2856 AB,C 123 11.9 136
Show 18081-0707 RST3997 82 1.3 138
Show 18198-0458 SCJ 16 209 3.3 145
Show 18201-0936 MOC 14 AB 269 1.2 145
Show 18201-0936 MOC 14 AC 214 2.1 145
Show 18201-0936 MOC 14 AD 95 2.2 145
Show 18181-0943 RST4584 118 1.1 147
Show 18174-0946 HDS2584 352 0.7 149
Show 18224-0505 RST4586 70 0.2 153
Show 18114-0512 HO 267 353 14.5 153
Show 18148-0441 HJ 856 235 22.2 161
Show 18274-0616 A 86 288 2.8 162
Show 18250-0517 RST4587 332 0.4 166
Show 18160-1006 HU 58 127 0.7 170
Show 18271-0853 HDS2608 344 0.1 174
Show 18060-0807 A 2595 45 2.9 176
Show 18061-0819 HDS2551 91 0.1 179
Show 18204-1011 HER 2 18 1.0 180
Show 18267-0521 GWP2777 266 72.2 182
Show 18226-0428 LDS5862 356 4.3 191
Show 18086-0948 HDS2557 252 0.6 200
Show 18057-0537 J 3269 65 6.4 202
Show 18053-0823 J 1645 4 5.5 204
Show 18294-0533 J 2517 320 3.6 209
Show 18299-0536 NSN 150 262 2.7 212
Show 18243-0405 YSC 67 AB 356 0.4 218
Show 18243-0405 TOK 420 Aa,Ab 91 0.0 218

 
 
WDS 18174-0717 : COMPONENTS
 
 
  A
B pa=18.3°
sep=21.24"
 
 
18174-0717 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181722.56-071711.0 Mag 8.43 Spectral class A0 (white)
PmRA 16.00 PmDE 1.0 SAO 142193 HIP 89619
Tycho2 5110-00146-1 HD 167832 BD BD-07 4582
Tycho2
Tycho2 5110-00146-1 Pflag RAmdeg 274.34403841 DEmdeg -7.28637429
PmRA 15.8 PmDE 0.6 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.21 EpDEm 1990.73
Num 13 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.8 BTmag 8.775 E BTmag 0.018 VTmag 8.428
E VTmag 0.013 Prox 999 TYC T HIP 89619
CCDM RAdeg 274.34400194 DEdeg -7.28637583 EpRA 1990 1.84
EpDE 1990 1.74 E RAdeg 5.6 E DEdeg 7.2 Posflg
Corr -0.1
SAO
SAO 142193 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.006 Vmag 8 SpType A0
Double code Source 26 CatNum 6137 DM BD-07 4582
DMcomp BDsup HD 167832 M HD 0
GC RA1950rad 4.77639927 DE1950rad -0.12751193 PmRA2000 0.0016
PmDE2000 -0.005
Hipparcos
Catalog H HIP 89619 Proxy RAhms 18 17 22.56
DEdms -07 17 11.0 Vmag 8.37 VarFlag R Vmag H
RAdeg 274.344 DEdeg -7.28638 AstroRef Plx 3.17
CCDM 18174-0717 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 167832 BD BD-07 4582
CD CP Dm number -07 4582 VIred 0.33
SpType A0 R SpType Coord arcsec 2000 181722.56-071711.0
Hipparcos 2
HIP 89619 Sn 5 So 0 Nc 1
RArad 4.7882061155 DErad -0.1271712647 Plx 4.79 PmRA 17.01
PmDE 1.51 E RArad 0.77 E DErad 0.49 E Plx 0.85
E pmRA 1.06 E pmDE 0.58 Hpmag 8.4551 E Hpmag 0.0017
SHp 0.015 VA 0 BV 0.333 E BV 0.015
VI 0.39
CCDM
Ccdm 18174-0717 RComp Comp A Note1
Note2 Discov num DRAs -1.41 DDEs -11.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp A0 PmNote *
PmRA 21 PmDE -6 Dm number -07 4582 Cat1 BD
Name2 142193 Cat2 SAO HD 167832 M HD
ADS BDS B 8461 M ADS BDS N IDS IDS 18120S0720A
HIC 89619
 
 
18174-0717 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181723.01-071650.8 Mag 13.5 Calc delta mag 5.07
Calc coord yes
CCDM
Ccdm 18174-0717 RComp Comp B Note1
Note2 Discov num HJ 857 DRAs DDEs
R dRAs Year 1901 Theta 020 Rho 21.2
Obs 1 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8461 M ADS BDS N IDS IDS 18120S0720B
HIC