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Doubles in session


Current system
18289-2122
HU 241 AC


Nearby doubles
13' : 18282-2114
HJ 2832

17' : 18288-2138
HU 242

18' : 18280-2135
HU 240

20' : 18296-2138
ARA1536

24' : 18302-2135
ARA1537

28' : 18306-2133
ARA1538

28' : 18273-2140
HU 239

33' : 18278-2052
ARA1151

36' : 18281-2048
RSS 32

37' : 18314-2124
ARA1539

37' : 18264-2111
ARA1534

39' : 18273-2154
ARA1535

41' : 18315-2138
ARA1540

49' : 18257-2102
HLD 144AB

50' : 18259-2053
BRT1537

53' : 18324-2138
ARA1541

54' : 18254-2146
ARA1533

62' : 18321-2040
ARA1152

64' : 18317-2211
ARA1890

66' : 18282-2227
ARA1889

67' : 18281-2228
ARA1888

69' : 18337-2132
ARA1542

69' : 18338-2119
ARA1543

70' : 18254-2033
JC 6

70' : 18239-2129
BRT1535

72' : 18258-2220
ARA1887



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.

18289-2122 HU 241 AC

 
 
18h 28m 51.32s -21° 22' 02.3" P.A. 301.00 sep 63.0 mag 9.09,11.75 Sp B9III
 
 
Coord 2000 18289-2122 Discov num HU  241 Comp AC Coord arcsec 2000 18 28 51.32 -21 22 02.3
Date first 1911 Date last 2015 Obs 6
Pa first 301 Pa last 300.8 P.A. Now (θ) 300.8°
Sep first 63.0 Sep last 62.958 Sep. Now (ρ) 62.958"
Mag pri 9.09 Mag sec 11.75 delta mag (ΔM) 2.66 Spectral class B9III (blue-white)
Pri motion ra -014 Sec motion ra -003
Pri motion dec -023 Sec motion dec -002
Notes
rPM=0.88
This double is not physical.
 
 
18289-2122 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170163 18 28 51 -21 22 02 HU 241 AB 2015 10 34 4.1 9.10 10.60 1.50
Show 18 28 51 -21 22 02 HU 241 AC 2015 6 301 63.0 9.09 11.75 2.66 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6278-02302-1 Gaia DR2 4090313032062286848 HD 170163
 
 
WDS 18289-2122 HU 241 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
18289-2122 HU 241 AC 1998 4 301 62.9 8.90   B9III D 182851.32-212202.3
18289-2122 HU 241 AC 1999 5 297 63.3 9.09 11.75 B9III D 182851.32-212202.3
18289-2122 HU 241 AC 2015 6 301 63.0 9.09 11.75 B9III 182851.32-212202.3

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

 
 
WDS 18289-2122 HU 241 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18289-2122 HU 241 AC : MEASURES
 
 
No records found.

 
 
WDS 18289-2122 : VIRTUAL EYEPIECE
 
 

18289-2122 HU 241A mag 9.1 Sp B9III 18289-2122 HU 241B sep 4.1 P.A. 32.40 mag 10.6 18289-2122 HU 241C sep 59.8 P.A. 302.60 mag 11.75 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 18289-2122 : ALADIN DSS IMAGE @ 18h 28m 51.32s -21° 22' 02.3"
 
 
 
 
WDS 18289-2122 HU 241 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18289-2122 HU 241AC distance=0' 18282-2114 HJ 2832 distance=13' 18288-2138 HU 242 distance=17' 18280-2135 HU 240 distance=18' 18296-2138 ARA1536 distance=20' 18302-2135 ARA1537 distance=24' 18306-2133 ARA1538 distance=28' 18273-2140 HU 239 distance=28' 18278-2052 ARA1151 distance=33' 18281-2048 RSS 32 distance=36' 18314-2124 ARA1539 distance=37' 18264-2111 ARA1534 distance=37' 18273-2154 ARA1535 distance=39' 18315-2138 ARA1540 distance=41' 18257-2102 HLD 144AB distance=49' 18257-2102 HLD 144AC distance=49' 18259-2053 BRT1537 distance=50' 18257-2102 HLD 144CD distance=51' 18324-2138 ARA1541 distance=53' 18254-2146 ARA1533 distance=54' 18321-2040 ARA1152 distance=62' 18317-2211 ARA1890 distance=64' 18282-2227 ARA1889 distance=66' 18281-2228 ARA1888 distance=67' 18337-2132 ARA1542 distance=69' 18338-2119 ARA1543 distance=69' 18254-2033 JC 6 distance=70' 18239-2129 BRT1535 distance=70' 18258-2220 ARA1887 distance=72' 18239-2139 BRT1536 distance=72' 18236-2133 RST5112 distance=74' 18261-2019 SKF 101 distance=74' 18337-2048 ARA1154 distance=76' 18234-2143 ARA1530 distance=79' 18297-2241 RST3183 distance=80' 18328-2022 KPP 416 distance=82' 18230-2115 ARA1529 distance=83' 18336-2030 DON 911 distance=85' 18237-2209 BRT1534 distance=86' 18284-2249 OCC 44 distance=88' 18352-2140 HU 246 distance=90' 18247-2012 OCC 409 distance=92' 18354-2118 ARA1544 distance=93' 18294-2258 BRT1538 distance=97' 18224-2201 ARA1878 distance=98' 18224-2202 ARA1877 distance=98' 18220-2143 ARA1528 distance=99' 18281-2300 OCC 45 distance=99' 18258-1953 ARA 750 distance=99' 18353-2205 WNO 22 distance=101' 18333-2003 ARA1153 distance=101' 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 18289-2122 HU 241 AB 34 4.1
Show 18289-2122 HU 241 AC 301 63.0
Show 18282-2114 HJ 2832 21 23.1 13
Show 18288-2138 HU 242 279 1.2 17
Show 18280-2135 HU 240 35 4.7 18
Show 18296-2138 ARA1536 147 15.5 20
Show 18302-2135 ARA1537 77 13.4 24
Show 18306-2133 ARA1538 255 9.4 28
Show 18273-2140 HU 239 185 3.1 28
Show 18278-2052 ARA1151 40 16.1 33
Show 18281-2048 RSS 32 223 45.7 36
Show 18314-2124 ARA1539 4 5.0 37
Show 18264-2111 ARA1534 270 13.2 37
Show 18273-2154 ARA1535 38 11.4 39
Show 18315-2138 ARA1540 10 14.8 41
Show 18257-2102 HLD 144 AB 42 2.8 49
Show 18257-2102 HLD 144 AC 281 68.8 49
Show 18259-2053 BRT1537 284 3.4 50
Show 18257-2102 HLD 144 CD 159 7.5 51
Show 18324-2138 ARA1541 349 7.1 53
Show 18254-2146 ARA1533 336 13.3 54
Show 18321-2040 ARA1152 134 14.5 62
Show 18317-2211 ARA1890 289 11.5 64
Show 18282-2227 ARA1889 9 9.0 66
Show 18281-2228 ARA1888 250 13.7 67
Show 18337-2132 ARA1542 114 11.6 69
Show 18338-2119 ARA1543 253 8.5 69
Show 18254-2033 JC 6 280 1.7 70
Show 18239-2129 BRT1535 307 4.5 70
Show 18258-2220 ARA1887 187 6.0 72
Show 18239-2139 BRT1536 71 3.5 72
Show 18236-2133 RST5112 25 0.3 74
Show 18261-2019 SKF 101 35 2.9 74
Show 18337-2048 ARA1154 288 7.2 76
Show 18234-2143 ARA1530 101 14.5 79
Show 18297-2241 RST3183 207 0.5 80
Show 18328-2022 KPP 416 159 4.9 82
Show 18230-2115 ARA1529 307 11.8 83
Show 18336-2030 DON 911 348 2.1 85
Show 18237-2209 BRT1534 117 4.7 86
Show 18284-2249 OCC 44 -1 0.1 88
Show 18352-2140 HU 246 68 2.6 90
Show 18247-2012 OCC 409 -1 0.0 92
Show 18354-2118 ARA1544 180 6.1 93
Show 18294-2258 BRT1538 290 4.1 97
Show 18224-2201 ARA1878 264 12.4 98
Show 18224-2202 ARA1877 255 9.0 98
Show 18220-2143 ARA1528 298 16.6 99
Show 18281-2300 OCC 45 -1 0.1 99
Show 18258-1953 ARA 750 112 3.6 99
Show 18353-2205 WNO 22 269 11.4 101

 
 
WDS 18289-2122 : COMPONENTS
 
 
  A B
B pa=32.4°
sep=4.06"
 
C pa=302.6°
sep=59.80"
pa=298.7°
sep=59.92"
 
 
18289-2122 A
 
 
Name HD 170163 Coord arcsec 2000 182851.32-212202.3 Mag 9.1 Spectral class B9III (blue-white)
PmRA -14.00 PmDE -23.0 Tycho2 6278-02302-1 HD 170163
Tycho2
Tycho2 6278-02302-1 Pflag RAmdeg 277.21387087 DEmdeg -21.36733176
PmRA -4.7 PmDE -18.3 E RAmdeg 12 E DEmdeg 14
E pmRA 2.7 E pmDE 2.7 EpRAm 1991.49 EpDEm 1991.31
Num 3 Q RAmdeg 1.8 Q DEmdeg 0.1 Q pmRA 1.7
Q pmDE 0.1 BTmag 9.031 E BTmag 0.023 VTmag 8.897
E VTmag 0.023 Prox 999 TYC T HIP
CCDM RAdeg 277.21388250 DEdeg -21.36728944 EpRA 1990 1.78
EpDE 1990 1.68 E RAdeg 11.6 E DEdeg 14.4 Posflg
Corr -0.1
 
 
18289-2122 B
 
 
Coord arcsec 2000 182851.48-212158.9 Mag 10.6 PmRA 30.00 PmDE 13.0
Calc delta mag 1.5 Calc coord yes
 
 
18289-2122 C
 
 
Coord arcsec 2000 182847.71-212130.1 Mag 11.75 PmRA -3.00 PmDE -2.0
Calc delta mag 2.65 Calc coord yes