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Doubles in session


Current system
18179-1750
ARA 275 AB
HD 167861


Nearby doubles
17' : 18183-1733
J 2206

18' : 18167-1755
ARA 274

21' : 18192-1757
ARA 276

21' : 18181-1810
NSN 136

23' : 18169-1734
SKF 98

24' : 18195-1754
ARA 277

27' : 18188-1804
OL 104

29' : 18166-1812
ARA 467

30' : 18177-1820
ARA 472

31' : 18190-1724
TVB 301

31' : 18174-1819
ARA 471

31' : 18160-1736
OCC9064

33' : 18198-1809
RST3175

33' : 18197-1730
TDT 796

33' : 18193-1817
BRT1527

37' : 18155-1738
ARA 271

38' : 18171-1826
ARA 469

39' : 18175-1828
RST3170AB

41' : 18152-1738
ARA 270

42' : 18191-1828
ARA 474

44' : 18180-1834
ARA 473

45' : 18166-1830
DBR 311

45' : 18165-1830
DBR 310

45' : 18206-1811
SKF 100

46' : 18160-1713
ARA 273

47' : 18146-1750
ARA 269



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

18179-1750 ARA 275 AB (HD 167861)

 
 
18h 17m 54.51s -17° 49' 45.2" P.A. 349.00 sep 10.4 mag 9.08,12.50 Sp M1
 
 
Coord 2000 18179-1750 Discov num ARA 275 Comp AB Coord arcsec 2000 18 17 54.51 -17 49 45.2
Date first 1916 Date last 1999 Obs 2
Pa first 350 Pa last 349 P.A. Now (θ) 349°
Sep first 10.2 Sep last 10.371 Sep. Now (ρ) 10.371"
Mag pri 9.08 Mag sec 12.50 delta mag (ΔM) 3.42 Spectral class M1 (red)
Pri motion ra +000 Sec motion ra -005
Pri motion dec +001 Sec motion dec +005
Notes
rPM=0.906
This double is not physical.
 
 
18179-1750 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 161282 18 17 55 -17 49 45 TDT 781 Aa,Ab 1991 1 130 0.4 9.48 10.12 0.64
Show HD 167861 161282 18 17 55 -17 49 45 ARA 275 AB 1999 2 349 10.4 9.08 12.50 3.42 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167861 Constellation Sagittarius SAO 161282 Tycho2 6269-00352-1
Gaia DR2 4097162925076717568 HD 167861 DM BD-17 5117
 
 
WDS 18179-1750 ARA 275 AB (HD 167861) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ara1961 Pa - Aravamudan, S. 1961PASP...73..266A
Ara1961 PASP 73, 266, 1961
Ara1963 Pa - Aravamudan, S. .
Ara1963 Pub. Nizamiah Obs. 13, Pt.3, 1963
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18179-1750 ARA 275 AB 1916 1 350 10.2 9.08 11.80 181754.51-174945.2
18179-1750 ARA 275 AB 1999 2 349 10.4 9.08 12.50 181754.51-174945.2

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

 
 
WDS 18179-1750 ARA 275 AB (HD 167861) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18179-1750 ARA 275 AB (HD 167861) : MEASURES
 
 
No records found.

 
 
WDS 18179-1750 (HD 167861) : VIRTUAL EYEPIECE
 
 

18179-1750 ARA 275A mag 9.08 Sp M1 18179-1750 TDT 781Ab sep 0.4 P.A. 131.80 mag 10.12 18179-1750 ARA 275B sep 10.3 P.A. 349.50 mag 12.5 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 18179-1750 (HD 167861) : ALADIN DSS IMAGE @ 18h 17m 54.51s -17° 49' 45.2"
 
 
 
 
WDS 18179-1750 ARA 275 AB (HD 167861) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18179-1750 TDT 781Aa,Ab distance=1' 18179-1750 ARA 275AB distance=1' 18183-1733 J 2206 distance=17' 18167-1755 ARA 274 distance=18' 18192-1757 ARA 276 distance=21' 18181-1810 NSN 136 distance=21' 18169-1734 SKF 98 distance=23' 18195-1754 ARA 277 distance=24' 18188-1804 OL 104 distance=27' 18166-1812 ARA 467 distance=29' 18177-1820 ARA 472 distance=30' 18190-1724 TVB 301 distance=31' 18174-1819 ARA 471 distance=31' 18160-1736 OCC9064 distance=31' 18198-1809 RST3175 distance=33' 18197-1730 TDT 796 distance=33' 18193-1817 BRT1527 distance=33' 18155-1738 ARA 271 distance=37' 18171-1826 ARA 469 distance=38' 18175-1828 OCC 12Aa,Ab distance=39' 18175-1828 RST3170AB distance=39' 18152-1738 ARA 270 distance=41' 18191-1828 ARA 474 distance=42' 18180-1834 ARA 473 distance=44' 18166-1830 DBR 311 distance=45' 18165-1830 DBR 310 distance=45' 18206-1811 SKF 100 distance=45' 18160-1713 ARA 273 distance=46' 18146-1750 ARA 269 distance=47' 18210-1805 DON 893 distance=48' 18146-1742 SKF 96 distance=49' 18187-1837 BU 300CD distance=49' 18212-1800 DON 894 distance=49' 18187-1837 BU 639AB distance=49' 18187-1837 SHJ 264AB,C distance=49' 18187-1837 FOX 225AB,E distance=49' 18166-1835 DBR 312 distance=50' 18146-1808 TDT 759 distance=51' 18170-1700 ADP 2 distance=52' 18171-1700 WSI 143 distance=52' 18159-1706 FOX 224 distance=52' 18199-1704 SMY9003 distance=54' 18202-1707 TDT 803 distance=54' 18172-1656 ADP 3 distance=55' 18166-1842 ARA 468 distance=56' 18169-1656 ADP 1 distance=56' 18156-1835 ARA 465 distance=56' 18180-1842 HWE 42 distance=57' 18210-1714 J 1627 distance=58' 18140-1801 TDT 754 distance=58' 18179-1848 BU 299BR distance=58' 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 18179-1750 TDT 781 Aa,Ab 130 0.4 1
Show 18179-1750 ARA 275 AB 349 10.4 1
Show 18183-1733 J 2206 83 2.3 17
Show 18167-1755 ARA 274 147 10.8 18
Show 18192-1757 ARA 276 40 12.6 21
Show 18181-1810 NSN 136 76 32.9 21
Show 18169-1734 SKF 98 243 4.0 23
Show 18195-1754 ARA 277 117 15.1 24
Show 18188-1804 OL 104 213 3.6 27
Show 18166-1812 ARA 467 81 13.6 29
Show 18177-1820 ARA 472 183 14.8 30
Show 18190-1724 TVB 301 184 7.2 31
Show 18174-1819 ARA 471 54 11.8 31
Show 18160-1736 OCC9064 295 0.0 31
Show 18198-1809 RST3175 127 0.6 33
Show 18197-1730 TDT 796 93 0.4 33
Show 18193-1817 BRT1527 359 5.0 33
Show 18155-1738 ARA 271 255 8.9 37
Show 18171-1826 ARA 469 355 6.5 38
Show 18175-1828 OCC 12 Aa,Ab -1 0.1 39
Show 18175-1828 RST3170 AB 169 8.6 39
Show 18152-1738 ARA 270 333 15.0 41
Show 18191-1828 ARA 474 222 12.6 42
Show 18180-1834 ARA 473 334 14.2 44
Show 18166-1830 DBR 311 101 3.1 45
Show 18165-1830 DBR 310 63 2.1 45
Show 18206-1811 SKF 100 140 3.8 45
Show 18160-1713 ARA 273 271 8.7 46
Show 18146-1750 ARA 269 68 14.6 47
Show 18210-1805 DON 893 220 2.8 48
Show 18146-1742 SKF 96 50 3.3 49
Show 18187-1837 BU 300 CD 329 6.3 49
Show 18212-1800 DON 894 342 1.2 49
Show 18187-1837 BU 639 AB 136 0.5 49
Show 18187-1837 SHJ 264 AB,C 50 17.2 49
Show 18187-1837 FOX 225 AB,E 328 145.6 49
Show 18166-1835 DBR 312 37 4.4 50
Show 18146-1808 TDT 759 250 1.3 51
Show 18170-1700 ADP 2 298 5.3 52
Show 18171-1700 WSI 143 75 25.8 52
Show 18159-1706 FOX 224 42 6.5 52
Show 18199-1704 SMY9003 134 24.8 54
Show 18202-1707 TDT 803 195 0.7 54
Show 18172-1656 ADP 3 180 3.4 55
Show 18166-1842 ARA 468 131 5.9 56
Show 18169-1656 ADP 1 47 4.5 56
Show 18156-1835 ARA 465 258 15.2 56
Show 18180-1842 HWE 42 189 21.5 57
Show 18210-1714 J 1627 239 4.9 58
Show 18140-1801 TDT 754 91 0.5 58
Show 18179-1848 BU 299 BR 133 10.2 58

 
 
WDS 18179-1750 : COMPONENTS
 
 
  A Ab
Ab pa=131.8°
sep=0.42"
 
B pa=349.5°
sep=10.35"
pa=348.1°
sep=10.69"
 
 
18179-1750 A
 
 
Name HD 167861 Coord arcsec 2000 181754.51-174945.2 Mag 9.08 Spectral class M1 (red)
PmRA 0.00 PmDE 1.0 SAO 161282 Tycho2 6269-00352-1
HD 167861 DM BD-17 5117
Tycho2
Tycho2 6269-00352-1 Pflag RAmdeg 274.47716298 DEmdeg -17.82924248
PmRA -1.1 PmDE 0.5 E RAmdeg 13 E DEmdeg 17
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.94 EpDEm 1988.10
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.7 BTmag 11.121 E BTmag 0.062 VTmag 9.076
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 274.47716583 DEdeg -17.82924417 EpRA 1990 1.79
EpDE 1990 1.83 E RAdeg 13.8 E DEdeg 18.4 Posflg
Corr 0.1
SAO
SAO 161282 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 0.02 Vmag 8.9 SpType M2
Double code Source 22 CatNum 7604 DM BD-17 5117
DMcomp BDsup HD 167861 M HD 0
GC RA1950rad 4.7777895 DE1950rad -0.31152505 PmRA2000 0.0005
PmDE2000 0.021
 
 
18179-1750 Ab
 
 
Coord arcsec 2000 181754.53-174945.5 Mag 10.12 PmRA -1.00 PmDE 1.0
Calc delta mag 0.64 Calc coord yes
 
 
18179-1750 B
 
 
Coord arcsec 2000 181754.38-174935.0 Mag 12.5 PmRA -5.00 PmDE 5.0
Calc delta mag 3.02 Calc coord yes