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Doubles in session


Current system
18015-2221
ARA 1836


Nearby doubles
14' : 18018-2208
ARA1837

18' : 18003-2224
TDT 627

21' : 18004-2235
DON 877

25' : 18030-2233
ARA1838AB

27' : 18019-2247
BU 283AB

30' : 17594-2228
SNA 76AB

31' : 18030-2243
RSS 468

31' : 18034-2237
ARA1839

32' : 18011-2252
ARA1835

34' : 17591-2218
ARA1833

36' : 18033-2156
TDT 656

37' : 18030-2252
TDS 898

37' : 18041-2230
ARA1841

37' : 17590-2231
SNA 75AB

39' : 18042-2230
S 698AB

40' : 18042-2231
ARA1843

40' : 17587-2232
B 367

40' : 18004-2258
ARA1834

41' : 18039-2247
ARA1840

43' : 18024-2302
H N 40AB

43' : 18043-2239
LYS 32

45' : 18039-2250
B 2430

48' : 18027-2306
RST3151

56' : 17581-2249
ARA1832

58' : 18022-2318
B 2851

59' : 17573-2223
BRT1510



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18015-2221 ARA 1836

 
 
18h 01m 31.56s -22° 21' 17.8" P.A. 20.00 sep 8.4 mag 11.40,12.40
 
 
Coord 2000 18015-2221 Discov num ARA1836 Comp Coord arcsec 2000 18 01 31.56 -22 21 17.8
Date first 1920 Date last 2016 Obs 9
Pa first 23 Pa last 19.6 P.A. Now (θ) 19.6°
Sep first 8.0 Sep last 8.4 Sep. Now (ρ) 8.4"
Mag pri 11.40 Mag sec 12.40 delta mag (ΔM) 1 Spectral class
Pri motion ra +002 Sec motion ra +005
Pri motion dec -008 Sec motion dec +004
Notes
rPM=1.5
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6263-00114-1 Gaia DR2 4069870052883172096
 
 
WDS 18015-2221 ARA 1836 : 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
18015-2221 ARA1836 1998 5 21 8.8 11.40 12.40 D 180131.56-222117.8
18015-2221 ARA1836 1999 6 21 8.8 11.40 12.40 D 180131.56-222117.8
18015-2221 ARA1836 2016 8 20 8.4 11.40 12.40 180131.56-222117.8

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

 
 
WDS 18015-2221 ARA 1836 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18015-2221 ARA 1836 : MEASURES
 
 
No records found.

 
 
WDS 18015-2221 : VIRTUAL EYEPIECE
 
 

18015-2221 ARA1836A mag 11.4 18015-2221 ARA1836B sep 8.3 P.A. 18.20 mag 12.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18015-2221 : ALADIN DSS IMAGE @ 18h 01m 31.56s -22° 21' 17.8"
 
 
 
 
WDS 18015-2221 ARA 1836 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18015-2221 ARA1836 distance=0' 18018-2208 ARA1837 distance=14' 18003-2224 TDT 627 distance=18' 18004-2235 DON 877 distance=21' 18030-2233 ARA1838AB distance=25' 18030-2233 ABH 93AD distance=25' 18030-2233 ABH 93AE distance=25' 18030-2233 ABH 93AF distance=25' 18030-2233 ABH 93AG distance=25' 18030-2233 ABH 93AH distance=25' 18030-2233 ABH 93AI distance=25' 18030-2233 ABH 93AJ distance=25' 18030-2233 ARA1838BC distance=25' 18019-2247 BU 283AB distance=27' 18019-2247 BU 283AC distance=27' 18019-2247 FOX9030AD distance=27' 17594-2228 SNA 76AB distance=30' 17594-2228 SNA 76AC distance=30' 17594-2228 SNA 76AD distance=30' 17594-2228 SNA 76AE distance=30' 18030-2243 RSS 468 distance=31' 18034-2237 ARA1839 distance=31' 18011-2252 ARA1835 distance=32' 17591-2218 ARA1833 distance=34' 18033-2156 TDT 656 distance=36' 18030-2252 TDS 898 distance=37' 18041-2230 ARA1841 distance=37' 17590-2231 SNA 75AB distance=37' 17590-2231 SNA 75AC distance=37' 17590-2231 SNA 75AD distance=37' 17590-2231 SNA 75AE distance=37' 18042-2230 B 1875BC distance=38' 18042-2230 S 698AB distance=39' 18042-2230 WFC 289AD distance=39' 18042-2230 ARA1842DE distance=39' 18042-2231 ARA1843 distance=40' 17587-2232 B 367 distance=40' 18004-2258 ARA1834 distance=40' 18039-2247 ARA1840 distance=41' 18024-2302 H N 40AB distance=43' 18024-2302 H N 6AC distance=43' 18024-2302 TRN 26AH distance=43' 18024-2302 H N 6AE distance=43' 18024-2302 HLD 175AF distance=43' 18024-2302 H N 6AG distance=43' 18024-2302 SNA 77Aa,Ab distance=43' 18024-2302 SNA 77AI distance=43' 18024-2302 SNA 77AJ distance=43' 18024-2302 H N 6CD distance=43' 18024-2302 H N 6CE distance=43' 18024-2302 H N 6CF distance=43' 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 18015-2221 ARA1836 20 8.4
Show 18018-2208 ARA1837 289 12.8 14
Show 18003-2224 TDT 627 278 0.6 18
Show 18004-2235 DON 877 96 2.7 21
Show 18030-2233 ARA1838 AB 138 8.3 25
Show 18030-2233 ABH 93 AD 354 34.1 25
Show 18030-2233 ABH 93 AE 159 40.7 25
Show 18030-2233 ABH 93 AF 186 66.0 25
Show 18030-2233 ABH 93 AG 222 24.9 25
Show 18030-2233 ABH 93 AH 255 28.4 25
Show 18030-2233 ABH 93 AI 234 73.3 25
Show 18030-2233 ABH 93 AJ 284 104.1 25
Show 18030-2233 ARA1838 BC 121 8.6 25
Show 18019-2247 BU 283 AB 238 8.3 27
Show 18019-2247 BU 283 AC 33 13.6 27
Show 18019-2247 FOX9030 AD 265 24.5 27
Show 17594-2228 SNA 76 AB 92 2.0 30
Show 17594-2228 SNA 76 AC 265 2.5 30
Show 17594-2228 SNA 76 AD 84 6.5 30
Show 17594-2228 SNA 76 AE 63 6.5 30
Show 18030-2243 RSS 468 288 11.4 31
Show 18034-2237 ARA1839 42 12.4 31
Show 18011-2252 ARA1835 304 9.8 32
Show 17591-2218 ARA1833 99 14.1 34
Show 18033-2156 TDT 656 268 1.0 36
Show 18030-2252 TDS 898 116 2.0 37
Show 18041-2230 ARA1841 33 7.5 37
Show 17590-2231 SNA 75 AB 221 3.9 37
Show 17590-2231 SNA 75 AC 46 6.2 37
Show 17590-2231 SNA 75 AD 302 6.9 37
Show 17590-2231 SNA 75 AE 349 7.9 37
Show 18042-2230 B 1875 BC 236 0.5 38
Show 18042-2230 S 698 AB 316 29.7 39
Show 18042-2230 WFC 289 AD 13 39.2 39
Show 18042-2230 ARA1842 DE 110 12.6 39
Show 18042-2231 ARA1843 338 11.3 40
Show 17587-2232 B 367 217 1.8 40
Show 18004-2258 ARA1834 224 15.1 40
Show 18039-2247 ARA1840 267 8.0 41
Show 18024-2302 H N 40 AB 20 6.2 43
Show 18024-2302 H N 6 AC 212 10.7 43
Show 18024-2302 TRN 26 AH 345 1.5 43
Show 18024-2302 H N 6 AE 205 16.2 43
Show 18024-2302 HLD 175 AF 108 22.1 43
Show 18024-2302 H N 6 AG 212 40.7 43
Show 18024-2302 SNA 77 Aa,Ab 248 0.0 43
Show 18024-2302 SNA 77 AI 43 3.1 43
Show 18024-2302 SNA 77 AJ 165 6.5 43
Show 18024-2302 H N 6 CD 280 2.4 43
Show 18024-2302 H N 6 CE 191 6.0 43
Show 18024-2302 H N 6 CF 85 26.8 43

 
 
WDS 18015-2221 : COMPONENTS
 
 
  A
B pa=18.2°
sep=8.33"
 
 
18015-2221 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180131.56-222117.8 Mag 11.4 PmRA 2.00
PmDE -8.0 Tycho2 6263-00114-1
Tycho2
Tycho2 6263-00114-1 Pflag RAmdeg 270.38153536 DEmdeg -22.35495182
PmRA 2.9 PmDE -7.3 E RAmdeg 58 E DEmdeg 79
E pmRA 2.6 E pmDE 2.9 EpRAm 1984.35 EpDEm 1979.05
Num 4 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.6 BTmag 11.957 E BTmag 0.125 VTmag 11.401
E VTmag 0.120 Prox 999 TYC HIP
CCDM RAdeg 270.38152833 DEdeg -22.35493528 EpRA 1990 1.89
EpDE 1990 1.89 E RAdeg 61.1 E DEdeg 87.2 Posflg
Corr 0.0
CCDM
Ccdm 18015-2221 RComp Comp A Note1
Note2 Discov num DRAs 1.57 DDEs -17.5
R dRAs 43 Year Theta Rho
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17555S2221A
HIC
 
 
18015-2221 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180131.75-222109.9 Mag 12.4 PmRA 5.00
PmDE 4.0 Calc delta mag 1 Calc coord yes
CCDM
Ccdm 18015-2221 RComp Comp B Note1
Note2 Discov num ARA1836 DRAs 1.79 DDEs -9.0
R dRAs 43 Year 1921 Theta 22 Rho 8.3
Obs 3 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17555S2221B
HIC