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Doubles in session


Current system
18375-2130
ARA 1548


Nearby doubles
9' : 18379-2124
OCC 33

14' : 18365-2128
ARA1547

24' : 18387-2114
ARA1551

24' : 18385-2110
B 1888

26' : 18386-2149
J 1633AB

27' : 18360-2146
ARA1545

28' : 18378-2103
ARA1549

28' : 18381-2156
ARA1895

31' : 18354-2118
ARA1544

32' : 18361-2154
ARA1546

34' : 18389-2103
WSI 90AB

34' : 18352-2140
HU 246

41' : 18395-2101
RST5121AB

47' : 18353-2205
WNO 22

47' : 18407-2139
RST5122

47' : 18406-2115
ARA1552

51' : 18398-2052
OCC1078

52' : 18372-2039
DON 914

53' : 18337-2132
ARA1542

53' : 18338-2119
ARA1543

58' : 18393-2038
ARA1156

62' : 18416-2108
KPP 422

66' : 18405-2040
OCC1079

68' : 18337-2048
ARA1154

69' : 18391-2025
ARA1155

71' : 18324-2138
ARA1541



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

18375-2130 ARA 1548

 
 
18h 37m 27.71s -21° 29' 45.7" P.A. 336.00 sep 14.8 mag 8.52,12.80 Sp Ap dist. 310.56 pc (1013.05 l.y.)
 
 
Coord 2000 18375-2130 Discov num ARA1548 Comp Coord arcsec 2000 18 37 27.71 -21 29 45.7
Date first 1921 Date last 2015 Obs 9
Pa first 338 Pa last 336.1 P.A. Now (θ) 336.1°
Sep first 13.4 Sep last 14.843 Sep. Now (ρ) 14.843"
Mag pri 8.52 Mag sec 12.80 delta mag (ΔM) 4.28 Spectral class Ap (white)
Pri motion ra +006 Sec motion ra -006
Pri motion dec -006 Sec motion dec +010
Notes
rPM=1.715
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 187061 HIP 91304 Tycho2 6279-01122-1
Gaia DR2 4079646090009821696 HD 171771 BD BD-21 5070 Distance 310.56
Distance ly 1013.05
 
 
WDS 18375-2130 ARA 1548 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ARA Aravamudan, S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18375-2130 ARA1548 1998 4 337 14.7 8.40 12.80 Ap -21 5070 D 183727.71-212945.7
18375-2130 ARA1548 1999 5 336 14.6 8.40 12.80 Ap -21 5070 D 183727.71-212945.7
18375-2130 ARA1548 2010 6 337 14.4 8.52 12.80 Ap -21 5070 183727.71-212945.7
18375-2130 ARA1548 2015 7 336 14.8 8.52 12.80 Ap -21 5070 183727.71-212945.7

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

 
 
WDS 18375-2130 ARA 1548 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18375-2130 ARA 1548 : MEASURES
 
 
No records found.

 
 
WDS 18375-2130 : VIRTUAL EYEPIECE
 
 

18375-2130 ARA1548A mag 8.52 Sp Ap 18375-2130 ARA1548B sep 14.8 P.A. 336.10 mag 12.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18375-2130 : ALADIN DSS IMAGE @ 18h 37m 27.71s -21° 29' 45.7"
 
 
 
 
WDS 18375-2130 ARA 1548 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18375-2130 ARA1548 distance=0' 18379-2124 OCC 33 distance=9' 18365-2128 ARA1547 distance=14' 18387-2114 ARA1551 distance=24' 18385-2110 B 1888 distance=24' 18386-2149 J 1633AB distance=26' 18386-2149 J 1633BC distance=26' 18360-2146 ARA1545 distance=27' 18378-2103 ARA1549 distance=28' 18381-2156 ARA1895 distance=28' 18354-2118 ARA1544 distance=31' 18361-2154 ARA1546 distance=32' 18389-2103 WSI 90AB distance=34' 18389-2103 TNN 11AC distance=34' 18389-2103 TNN 11AD distance=34' 18352-2140 HU 246 distance=34' 18395-2101 RST5121AB distance=41' 18395-2101 HJ 2833AC distance=41' 18353-2205 WNO 22 distance=47' 18407-2139 RST5122 distance=47' 18406-2115 ARA1552 distance=47' 18398-2052 OCC1078 distance=51' 18372-2039 DON 914 distance=52' 18337-2132 ARA1542 distance=53' 18338-2119 ARA1543 distance=53' 18393-2038 ARA1156 distance=58' 18416-2108 KPP 422 distance=62' 18405-2040 OCC1079 distance=66' 18337-2048 ARA1154 distance=68' 18391-2025 ARA1155 distance=69' 18324-2138 ARA1541 distance=71' 18406-2034 OCC1080 distance=71' 18386-2020 DON 917 distance=72' 18367-2019 HO 567 distance=72' 18377-2243 ARA1894 distance=74' 18377-2244 ARA1893 distance=75' 18336-2030 DON 911 distance=81' 18315-2138 ARA1540 distance=84' 18411-2236 ARA1896 distance=85' 18314-2124 ARA1539 distance=85' 18397-2249 SHN 231 distance=85' 18406-2016 ARA1157 distance=87' 18431-2051 ARA1159 distance=88' 18317-2211 ARA1890 distance=90' 18439-2130 KPP4118 distance=91' 18321-2040 ARA1152 distance=91' 18390-2259 ARA2241 distance=92' 18349-2256 ARA2236 distance=94' 18328-2022 KPP 416 distance=95' 18306-2133 ARA1538 distance=96' 18433-2225 I 1381 distance=99' 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 18375-2130 ARA1548 336 14.8 0
Show 18379-2124 OCC 33 -1 0.1 9
Show 18365-2128 ARA1547 230 11.0 14
Show 18387-2114 ARA1551 137 6.1 24
Show 18385-2110 B 1888 302 4.8 24
Show 18386-2149 J 1633 AB 143 36.8 26
Show 18386-2149 J 1633 BC 149 7.5 26
Show 18360-2146 ARA1545 203 12.9 27
Show 18378-2103 ARA1549 188 14.1 28
Show 18381-2156 ARA1895 26 16.0 28
Show 18354-2118 ARA1544 180 6.1 31
Show 18361-2154 ARA1546 173 10.4 32
Show 18389-2103 WSI 90 AB 138 0.0 34
Show 18389-2103 TNN 11 AC 340 5.0 34
Show 18389-2103 TNN 11 AD 30 6.4 34
Show 18352-2140 HU 246 68 2.6 34
Show 18395-2101 RST5121 AB 21 4.2 41
Show 18395-2101 HJ 2833 AC 314 21.8 41
Show 18353-2205 WNO 22 269 11.4 47
Show 18407-2139 RST5122 189 2.1 47
Show 18406-2115 ARA1552 287 12.6 47
Show 18398-2052 OCC1078 -1 0.7 51
Show 18372-2039 DON 914 174 0.4 52
Show 18337-2132 ARA1542 114 11.6 53
Show 18338-2119 ARA1543 253 8.5 53
Show 18393-2038 ARA1156 16 15.8 58
Show 18416-2108 KPP 422 299 4.7 62
Show 18405-2040 OCC1079 -1 0.0 66
Show 18337-2048 ARA1154 288 7.2 68
Show 18391-2025 ARA1155 238 11.6 69
Show 18324-2138 ARA1541 349 7.1 71
Show 18406-2034 OCC1080 -1 0.0 71
Show 18386-2020 DON 917 51 1.1 72
Show 18367-2019 HO 567 165 1.3 72
Show 18377-2243 ARA1894 270 7.3 74
Show 18377-2244 ARA1893 137 12.5 75
Show 18336-2030 DON 911 348 2.1 81
Show 18315-2138 ARA1540 10 14.8 84
Show 18411-2236 ARA1896 327 12.3 85
Show 18314-2124 ARA1539 4 5.0 85
Show 18397-2249 SHN 231 -1 0.1 85
Show 18406-2016 ARA1157 356 9.5 87
Show 18431-2051 ARA1159 84 11.7 88
Show 18317-2211 ARA1890 289 11.5 90
Show 18439-2130 KPP4118 341 3.9 91
Show 18321-2040 ARA1152 134 14.5 91
Show 18390-2259 ARA2241 114 7.3 92
Show 18349-2256 ARA2236 38 7.3 94
Show 18328-2022 KPP 416 159 4.9 95
Show 18306-2133 ARA1538 255 9.4 96
Show 18433-2225 I 1381 37 1.3 99

 
 
WDS 18375-2130 : COMPONENTS
 
 
  A
B pa=336.1°
sep=14.84"
 
 
18375-2130 A
 
 
Coord arcsec 2000 183727.71-212945.7 Mag 8.52 Spectral class Ap (white) PmRA 6.00
PmDE -6.0 SAO 187061 HIP 91304 Tycho2 6279-01122-1
HD 171771 BD BD-21 5070
Tycho2
Tycho2 6279-01122-1 Pflag RAmdeg 279.36549633 DEmdeg -21.49603589
PmRA 7.7 PmDE -6.4 E RAmdeg 9 E DEmdeg 12
E pmRA 1.3 E pmDE 1.4 EpRAm 1990.33 EpDEm 1989.08
Num 11 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.9 BTmag 8.939 E BTmag 0.022 VTmag 8.521
E VTmag 0.019 Prox 999 TYC T HIP 91304
CCDM RAdeg 279.36547750 DEdeg -21.49602139 EpRA 1990 1.84
EpDE 1990 1.72 E RAdeg 9.3 E DEdeg 12.6 Posflg
Corr 0.3
SAO
SAO 187061 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.007 Vmag 8.8 SpType A3
Double code Source 23 CatNum 7801 DM BD-21 5070
DMcomp BDsup HD 171771 M HD 0
GC RA1950rad 4.8627685 DE1950rad -0.37593295 PmRA2000 -0.0003
PmDE2000 0.007
Hipparcos
Catalog H HIP 91304 Proxy RAhms 18 37 27.71
DEdms -21 29 45.7 Vmag 8.48 VarFlag R Vmag H
RAdeg 279.365 DEdeg -21.496 AstroRef Plx 3.63
CCDM 8.41 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 171771 BD BD-21 5070
CD CP Dm number -21 5070 VIred 0.67
SpType Ap R SpType Coord arcsec 2000 183727.71-212945.7
Hipparcos 2
HIP 91304 Sn 5 So 0 Nc 1
RArad 4.8758472459 DErad -0.3751762443 Plx 3.22 PmRA 9.57
PmDE -9.46 E RArad 1.03 E DErad 0.7 E Plx 1.17
E pmRA 1.37 E pmDE 1.03 Hpmag E Hpmag 0.0021
SHp 0.013 VA 0 BV 0.38 E BV 0.027
VI 0.44
CCDM
Ccdm 18375-2130 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs 14.2
R dRAs 41 Year Theta Rho
Obs 2 Vmag 8.4 Sp A3 PmNote *
PmRA -4 PmDE 7 Dm number -21 5070 Cat1 BD
Name2 187061 Cat2 SAO HD 171771 M HD
ADS BDS M ADS BDS N IDS IDS 18315S2135A
HIC 91304
 
 
18375-2130 B
 
 
Coord arcsec 2000 183727.28-212932.1 Mag 12.8 PmRA -6.00 PmDE 10.0
Delta magnitude 4.28 Coordinate calculated yes
CCDM
Ccdm 18375-2130 RComp Comp B Note1
Note2 Discov num ARA1548 DRAs -2.76 DDEs 27.8
R dRAs 41 Year 1922 Theta 339 Rho 13.1
Obs 3 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18315S2135B
HIC