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Doubles in session


Current system
18048-3554
HDO 283
HD 164870


Nearby doubles
20' : 18061-3541
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BRT1751

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TOK 613

41' : 18059-3632
ARY 127

43' : 18033-3516
BRT1753

44' : 18057-3511
VVV 51

45' : 18015-3612
BRT1750

45' : 18053-3510
TDT 669

48' : 18073-3517
BRT1756AB

48' : 18085-3612
BRT1757

54' : 18065-3504
TDT 687

56' : 18090-3617
SHY 738AB

57' : 18094-3544
B 1351

61' : 18002-3614
TDT 626

65' : 18002-3624
JSP 760

66' : 17595-3601
TRN 25

66' : 18074-3652
RSS 473

66' : 18100-3535
R 307

66' : 18101-3538
B 2857

67' : 17594-3601
BRT1749

68' : 18026-3453
TDT 649

68' : 17593-3600
RST5445

70' : 17591-3559
JSP 758

71' : 18101-3524
BRT1759

74' : 18067-3444
BRT1755



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

18048-3554 HDO 283 (HD 164870)

 
 
18h 04m 50.39s -35° 54' 04.9" P.A. 305.00 sep 12.4 mag 6.00,11.00 Sp K1III: dist. 105.6 pc (344.47 l.y.)
 
 
Coord 2000 18048-3554 Discov num HDO 283 Comp Coord arcsec 2000 18 04 50.39 -35 54 04.9
Date first 1891 Date last 1999 Obs 5
Pa first 275 Pa last 304.8 P.A. Now (θ) 304.8°
Sep first 12.0 Sep last 12.44 Sep. Now (ρ) 12.44"
Mag pri 6.00 Mag sec 11.00 delta mag (ΔM) 5 Spectral class K1III: (yellow-orange)
Pri motion ra -016 Sec motion ra
Pri motion dec -035 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164870 Constellation Sagittarius SAO 209671 HIP 88550
Tycho2 7403-06940-1 Gaia DR2 4038734739866855168 HD 164870 HR 6739
GC 24597 CD CD-3512229 FK5 3435 Distance 105.6
Distance ly 344.47
 
 
WDS 18048-3554 HDO 283 (HD 164870) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HdO1882a Mb - Harvard Obs. 1882AnHar..13...17.
HdO1882a Harvard Ann. 13, 17, 1882
HdO1882b Ma j Harvard Obs. (measure by Alden, G.I.) 1882AnHar..13...17.
HdO1882b Harvard Ann. 13, 17, 1882
HdO1882c Ma - Harvard Obs. (measure by Davis, W.M.) 1882AnHar..13...17.
HdO1882c Harvard Ann. 13, 17, 1882
HdO1906A Ma - Harvard Obs. 1906QB821.B972.....
HdO1906A cited in BDS (Burnham Double Star Cat., 1906)
HdO9999 Ma - Harvard Obs. ...................
HdO9999 Unpublished, manuscript or reference not found.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
18048-3554 HDO 283 1999 5 305 12.4 6.00 11.00 K1III: D 180450.39-355404.9

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

 
 
WDS 18048-3554 HDO 283 (HD 164870) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18048-3554 HDO 283 (HD 164870) : MEASURES
 
 
No records found.

 
 
WDS 18048-3554 (HD 164870) : VIRTUAL EYEPIECE
 
 

18048-3554 HDO 283A mag 6 Sp K1III: 18048-3554 HDO 283B sep 10.9 P.A. 310.60 mag 11 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18048-3554 (HD 164870) : ALADIN DSS IMAGE @ 18h 04m 50.39s -35° 54' 04.9"
 
 
 
 
WDS 18048-3554 HDO 283 (HD 164870) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18048-3554 HDO 283 distance=0' 18061-3541 TDT 682 distance=20' 18064-3601 SKF2032AB distance=21' 18064-3601 AMM 8AC distance=21' 18064-3601 AMM 8AD distance=21' 18064-3601 AMM 8AE distance=21' 18064-3601 AMM 8AF distance=21' 18064-3601 AMM 8AG distance=21' 18064-3601 AMM 8AH distance=21' 18064-3601 AMM 8AI distance=21' 18064-3601 AMM 8AJ distance=21' 18064-3601 AMM 8AK distance=21' 18064-3601 AMM 8AL distance=21' 18064-3601 AMM 8AM distance=21' 18064-3601 AMM 8AN distance=21' 18064-3601 AMM 8AO distance=21' 18064-3601 AMM 8AP distance=21' 18064-3601 AMM 8AQ distance=21' 18064-3601 AMM 8AR distance=21' 18064-3601 AMM 8AS distance=21' 18064-3601 AMM 8A,Ta distance=21' 18064-3601 AMM 8A,Tb distance=21' 18064-3601 AMM 8A,Tc distance=21' 18064-3601 AMM 8A,Td distance=21' 18064-3601 AMM 8A,Te distance=21' 18064-3601 AMM 8A,Tf distance=21' 18064-3601 AMM 8A,Tg distance=21' 18064-3601 AMM 8A,Th distance=21' 18064-3601 AMM 8A,Ti distance=21' 18064-3601 AMM 8A,Tj distance=21' 18064-3601 AMM 8A,Tk distance=21' 18064-3601 AMM 8A,Tl distance=21' 18064-3601 AMM 8A,Tm distance=21' 18064-3601 AMM 8A,Tn distance=21' 18064-3601 AMM 8A,To distance=21' 18064-3601 AMM 8A,Tp distance=21' 18064-3601 AMM 8A,Tq distance=21' 18064-3601 AMM 8A,Tr distance=21' 18064-3601 AMM 8A,Ts distance=21' 18064-3601 AMM 8A,Tt distance=21' 18064-3601 AMM 8A,Tu distance=21' 18064-3601 AMM 8A,Tv distance=21' 18064-3601 AMM 8A,Tw distance=21' 18064-3601 AMM 8A,Tx distance=21' 18064-3601 AMM 8A,Ty distance=21' 18064-3601 AMM 8A,Tz distance=21' 18064-3601 AMM 8A,Ua distance=21' 18064-3601 AMM 8A,Ub distance=21' 18064-3601 AMM 8A,Uc distance=21' 18064-3601 AMM 8A,Ud distance=21' 18064-3601 AMM 8A,Ue distance=21' 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 18048-3554 HDO 283 305 12.4
Show 18061-3541 TDT 682 206 0.7 20
Show 18064-3601 SKF2032 AB 180 12.3 21
Show 18064-3601 AMM 8 AC 105 3.2 21
Show 18064-3601 AMM 8 AD 174 3.3 21
Show 18064-3601 AMM 8 AE 306 5.0 21
Show 18064-3601 AMM 8 AF 20 4.9 21
Show 18064-3601 AMM 8 AG 91 4.8 21
Show 18064-3601 AMM 8 AH 15 5.2 21
Show 18064-3601 AMM 8 AI 10 5.2 21
Show 18064-3601 AMM 8 AJ 18 5.2 21
Show 18064-3601 AMM 8 AK 117 5.4 21
Show 18064-3601 AMM 8 AL 319 5.8 21
Show 18064-3601 AMM 8 AM 308 5.9 21
Show 18064-3601 AMM 8 AN 12 5.8 21
Show 18064-3601 AMM 8 AO 181 6.0 21
Show 18064-3601 AMM 8 AP 47 5.8 21
Show 18064-3601 AMM 8 AQ 344 6.1 21
Show 18064-3601 AMM 8 AR 304 6.3 21
Show 18064-3601 AMM 8 AS 305 6.5 21
Show 18064-3601 AMM 8 A,Ta 76 6.1 21
Show 18064-3601 AMM 8 A,Tb 233 6.6 21
Show 18064-3601 AMM 8 A,Tc 172 6.7 21
Show 18064-3601 AMM 8 A,Td 209 6.9 21
Show 18064-3601 AMM 8 A,Te 170 6.9 21
Show 18064-3601 AMM 8 A,Tf 232 7.2 21
Show 18064-3601 AMM 8 A,Tg 215 7.4 21
Show 18064-3601 AMM 8 A,Th 310 7.5 21
Show 18064-3601 AMM 8 A,Ti 252 7.7 21
Show 18064-3601 AMM 8 A,Tj 346 7.5 21
Show 18064-3601 AMM 8 A,Tk 194 7.6 21
Show 18064-3601 AMM 8 A,Tl 322 7.7 21
Show 18064-3601 AMM 8 A,Tm 258 7.8 21
Show 18064-3601 AMM 8 A,Tn 203 7.8 21
Show 18064-3601 AMM 8 A,To 225 8.0 21
Show 18064-3601 AMM 8 A,Tp 55 7.6 21
Show 18064-3601 AMM 8 A,Tq 218 8.0 21
Show 18064-3601 AMM 8 A,Tr 351 7.9 21
Show 18064-3601 AMM 8 A,Ts 101 7.7 21
Show 18064-3601 AMM 8 A,Tt 325 8.1 21
Show 18064-3601 AMM 8 A,Tu 1 8.0 21
Show 18064-3601 AMM 8 A,Tv 131 8.0 21
Show 18064-3601 AMM 8 A,Tw 51 8.0 21
Show 18064-3601 AMM 8 A,Tx 79 8.3 21
Show 18064-3601 AMM 8 A,Ty 198 8.8 21
Show 18064-3601 AMM 8 A,Tz 147 8.6 21
Show 18064-3601 AMM 8 A,Ua 230 9.0 21
Show 18064-3601 AMM 8 A,Ub 218 9.0 21
Show 18064-3601 AMM 8 A,Uc 27 8.9 21
Show 18064-3601 AMM 8 A,Ud 68 8.8 21
Show 18064-3601 AMM 8 A,Ue 348 9.2 21

 
 
WDS 18048-3554 : COMPONENTS
 
 
  A
B pa=310.6°
sep=10.90"
 
 
18048-3554 A
 
 
Componente originario normalizzato AB Name HD 164870 Coord arcsec 2000 180450.39-355404.9 Mag 6
Spectral class K1III: (yellow-orange) PmRA -16.00 PmDE -35.0 SAO 209671
HIP 88550 Tycho2 7403-06940-1 HD 164870 HR 6739
GC 24597 CD CD-3512229 FK5 3435
Tycho2
Tycho2 7403-06940-1 Pflag RAmdeg 271.20991308 DEmdeg -35.90144467
PmRA -14.9 PmDE -34.3 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.50 EpDEm 1991.37
Num 18 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.7 BTmag 7.490 E BTmag 0.016 VTmag 6.104
E VTmag 0.010 Prox 929 TYC T HIP 88550
CCDM RAdeg 271.20995444 DEdeg -35.90136806 EpRA 1990 1.90
EpDE 1990 1.93 E RAdeg 3.6 E DEdeg 4.6 Posflg
Corr 0.0
SAO
SAO 209671 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 -0.04 Vmag 5.8 SpType K0
Double code Source 70 CatNum 24597 DM CD-3512229
DMcomp BDsup HD 164870 M HD 0
GC 24597 RA1950rad 4.71880857 DE1950rad -0.62665871 PmRA2000 -0.0016
PmDE2000 -0.04
Hipparcos
Catalog H HIP 88550 Proxy RAhms 18 04 50.39
DEdms -35 54 04.9 Vmag 5.98 VarFlag R Vmag H
RAdeg 271.21 DEdeg -35.9014 AstroRef Plx 9.18
CCDM 18048-3554 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 164870 BD
CD CD-3512229 CP Dm number -3512229 VIred 1.12
SpType K2III R SpType Coord arcsec 2000 180450.39-355404.9
Hipparcos 2
HIP 88550 Sn 5 So 0 Nc 1
RArad 4.7335067229 DErad -0.6265969408 Plx 9.47 PmRA -15.33
PmDE -33.97 E RArad 0.43 E DErad 0.31 E Plx 0.54
E pmRA 0.67 E pmDE 0.36 Hpmag 6.1471 E Hpmag 0.0006
SHp 0.006 VA 0 BV 1.16 E BV 0.015
VI 1.12
CCDM
Ccdm 18048-3554 RComp Comp A Note1
Note2 Discov num DRAs 2.33 DDEs -5.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.8 Sp K0 PmNote *
PmRA -24 PmDE -35 Dm number -3512229 Cat1 CD
Name2 209671 Cat2 SAO HD 164870 M HD
ADS BDS M ADS BDS N IDS IDS 17581S3554A
HIC 88550
 
 
18048-3554 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180449.71-355357.8 Mag 11 Calc delta mag 5
Calc coord yes
CCDM
Ccdm 18048-3554 RComp Comp B Note1
Note2 Discov num HDO 283 DRAs DDEs
R dRAs Year 1900 Theta 290 Rho 12.5
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17581S3554B
HIC