18314-2259 ARA 2234 (HD 170621)

 
 
18h 31m 22.27s -22° 58' 46.6" P.A. 326.00 sep 13.2 mag 10.00,11.43 Sp A1/2III:
 
 
Coord 2000 18314-2259 Discov num ARA2234 Comp Coord arcsec 2000 18 31 22.27 -22 58 46.6
Date first 1910 Date last 2020 Obs 10
Pa first 321 Pa last 325.8 P.A. Now (θ) 325.8°
Sep first 11.7 Sep last 13.203 Sep. Now (ρ) 13.203"
Mag pri 10.00 Mag sec 11.43 delta mag (ΔM) 1.43 Spectral class A1/2III: (white)
Pri motion ra +005 Sec motion ra +000
Pri motion dec -028 Sec motion dec -003
Notes
rPM=0.896
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170621 Constellation Sagittarius SAO 186913 Tycho2 6857-02468-1
Gaia DR2 4077847666944985472 HD 170621
 
 
WDS 18314-2259 ARA 2234 (HD 170621) : 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
18314-2259 ARA2234 1999 5 324 12.8 10.00 11.43 A1/2III: D 183122.27-225846.6
18314-2259 ARA2234 2010 7 325 12.6 10.00 11.43 A1/2III: 183122.27-225846.6
18314-2259 ARA2234 2015 8 325 13.1 10.00 11.43 A1/2III: 183122.27-225846.6
18314-2259 ARA2234 2020 10 326 13.2 10.00 11.43 A1/2III: 183122.27-225846.6

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WDS 18314-2259 ARA 2234 (HD 170621) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18314-2259 ARA 2234 (HD 170621) : MEASURES
 
 
No records found.

 
 
WDS 18314-2259 (HD 170621) : VIRTUAL EYEPIECE
 
 

18314-2259 ARA2234A mag 10 Sp A1/2III: 18314-2259 ARA2234B sep 12.9 P.A. 328.00 mag 11.43 virtual eyepiece
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Radius:
Components only
 
 
WDS 18314-2259 (HD 170621) : ALADIN DSS IMAGE @ 18h 31m 22.27s -22° 58' 46.6"
 
 
 
 
WDS 18314-2259 ARA 2234 (HD 170621) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18314-2259  ARA2234 distance=0' 18313-2307  LEO  39AB distance=9' 18313-2307  LEO  39AC distance=9' 18311-2315  DON 906 distance=17' 18305-2315  RST4013 distance=21' 18294-2258  BRT1538 distance=29' 18335-2256  BRT1540 distance=29' 18297-2241  RST3183 distance=30' 18306-2329  ARA2233 distance=32' 18325-2330  BRT1539 distance=34' 18284-2249  OCC  44 distance=42' 18281-2300  OCC  45 distance=45' 18349-2256  ARA2236 distance=48' 18317-2211  ARA1890 distance=49' 18282-2227  ARA1889 distance=53' 18281-2228  ARA1888 distance=54' 18280-2328  LEO  18 distance=55' 18349-2326  HDS2636 distance=57' 18294-2353  B   393 distance=61' 18281-2349  ARA2231 distance=69' 18353-2205  WNO  22 distance=77' 18315-2138  ARA1540 distance=82' 18324-2138  ARA1541 distance=83' 18296-2138  ARA1536 distance=85' 18302-2135  ARA1537 distance=86' 18258-2220  ARA1887 distance=87' 18273-2154  ARA1535 distance=87' 18306-2133  ARA1538 distance=87' 18363-2355  ARA2237 distance=88' 18367-2348  KPP 420 distance=88' 18364-2353  ARA2238 distance=88' 18288-2138  HU  242 distance=89' 18365-2353  ARA2239 distance=89' 18377-2244  ARA1893 distance=89' 18377-2243  ARA1894 distance=90' 18365-2354  ARA2240BC distance=90' 18365-2354  ARA2240AB distance=90' 18289-2422  LEO  38 distance=90' 18365-2355  ARA2319 distance=91' 18374-2337  B  2456 distance=92' 18361-2154  ARA1546 distance=92' 18337-2132  ARA1542 distance=94' 18352-2140  HU  246 distance=95' 18314-2124  ARA1539 distance=96' 18280-2135  HU  240 distance=96' 18362-2409  J  2219 distance=98' 18273-2140  HU  239 distance=98' 18360-2146  ARA1545 distance=98' 18274-2420  KPP 412 distance=99' 18241-2248  ARA1886AB distance=102' 18241-2248  ARA1886AC distance=102' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18314-2259 ARA2234 326 13.2
Show 18313-2307 LEO 39 AB 156 2.1 9
Show 18313-2307 LEO 39 AC 115 20.3 9
Show 18311-2315 DON 906 145 2.0 17
Show 18305-2315 RST4013 264 1.3 21
Show 18294-2258 BRT1538 290 4.1 29
Show 18335-2256 BRT1540 313 5.1 29
Show 18297-2241 RST3183 207 0.5 30
Show 18306-2329 ARA2233 262 7.5 32
Show 18325-2330 BRT1539 230 4.1 34
Show 18284-2249 OCC 44 -1 0.1 42
Show 18281-2300 OCC 45 -1 0.1 45
Show 18349-2256 ARA2236 38 7.3 48
Show 18317-2211 ARA1890 289 11.5 49
Show 18282-2227 ARA1889 9 9.0 53
Show 18281-2228 ARA1888 250 13.7 54
Show 18280-2328 LEO 18 295 2.8 55
Show 18349-2326 HDS2636 57 0.3 57
Show 18294-2353 B 393 135 1.7 61
Show 18281-2349 ARA2231 250 12.0 69
Show 18353-2205 WNO 22 269 11.4 77
Show 18315-2138 ARA1540 10 14.8 82
Show 18324-2138 ARA1541 349 7.1 83
Show 18296-2138 ARA1536 147 15.5 85
Show 18302-2135 ARA1537 77 13.4 86
Show 18258-2220 ARA1887 187 6.0 87
Show 18273-2154 ARA1535 38 11.4 87
Show 18306-2133 ARA1538 255 9.4 87
Show 18363-2355 ARA2237 133 9.7 88
Show 18367-2348 KPP 420 93 3.8 88
Show 18364-2353 ARA2238 341 13.6 88
Show 18288-2138 HU 242 279 1.2 89
Show 18365-2353 ARA2239 249 8.8 89
Show 18377-2244 ARA1893 137 12.5 89
Show 18377-2243 ARA1894 270 7.3 90
Show 18365-2354 ARA2240 BC 3 12.6 90
Show 18365-2354 ARA2240 AB 317 10.4 90
Show 18289-2422 LEO 38 217 3.0 90
Show 18365-2355 ARA2319 3 11.4 91
Show 18374-2337 B 2456 225 8.0 92
Show 18361-2154 ARA1546 173 10.4 92
Show 18337-2132 ARA1542 114 11.6 94
Show 18352-2140 HU 246 68 2.6 95
Show 18314-2124 ARA1539 4 5.0 96
Show 18280-2135 HU 240 35 4.7 96
Show 18362-2409 J 2219 313 4.6 98
Show 18273-2140 HU 239 185 3.1 98
Show 18360-2146 ARA1545 203 12.9 98
Show 18274-2420 KPP 412 199 4.8 99
Show 18241-2248 ARA1886 AB 64 15.2 102
Show 18241-2248 ARA1886 AC 152 7.9 102

 
 
WDS 18314-2259 : COMPONENTS
 
 
  A
B pa=328.0°
sep=12.88"
 
 
18314-2259 A
 
 
Componente originario normalizzato AB Name HD 170621 Coord arcsec 2000 183122.27-225846.6 Mag 10
Spectral class A1/2III: (white) PmRA 5.00 PmDE -28.0 SAO 186913
Tycho2 6857-02468-1 HD 170621 DM CD-2314450
Tycho2
Tycho2 6857-02468-1 Pflag RAmdeg 277.84278792 DEmdeg -22.97961275
PmRA 0.0 PmDE -30.0 E RAmdeg 24 E DEmdeg 29
E pmRA 2.2 E pmDE 2.1 EpRAm 1989.99 EpDEm 1988.79
Num 4 Q RAmdeg 1.5 Q DEmdeg 2.1 Q pmRA 1.5
Q pmDE 2.1 BTmag 10.429 E BTmag 0.041 VTmag 9.999
E VTmag 0.042 Prox 127 TYC T HIP
CCDM RAdeg 277.84278806 DEdeg -22.97954194 EpRA 1990 1.60
EpDE 1990 1.49 E RAdeg 24.2 E DEdeg 29.6 Posflg
Corr 0.0
SAO
SAO 186913 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 -0.017 Vmag 9.4 SpType A2
Double code Source 25 CatNum 12835 DM CD-2314450
DMcomp BDsup HD 170621 M HD 0
GC RA1950rad 4.83604005 DE1950rad -0.40169297 PmRA2000 -0.0018
PmDE2000 -0.017
CCDM
Ccdm 18314-2259 RComp Comp A Note1
Note2 Discov num DRAs -1.88 DDEs 14.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp A2 PmNote *
PmRA -25 PmDE -17 Dm number -2314450 Cat1 CD
Name2 186913 Cat2 SAO HD 170621 M HD
ADS BDS M ADS BDS N IDS IDS 18253S2303A
HIC
 
 
18314-2259 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183121.78-225835.7 Mag 11.43 PmRA 0.00
PmDE -3.0 Tycho2 6857-02896-1 Calc delta mag 1.43 Calc coord yes
Tycho2
Tycho2 6857-02896-1 Pflag RAmdeg 277.84052167 DEmdeg -22.97672827
PmRA 2.8 PmDE -5.5 E RAmdeg 65 E DEmdeg 75
E pmRA 2.5 E pmDE 2.5 EpRAm 1981.00 EpDEm 1976.23
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.5 Q pmRA 0.6
Q pmDE 1.6 BTmag 11.584 E BTmag 0.101 VTmag 11.434
E VTmag 0.153 Prox 127 TYC T HIP
CCDM RAdeg 277.84051361 DEdeg -22.97671278 EpRA 1990 1.58
EpDE 1990 1.47 E RAdeg 69.8 E DEdeg 85.4 Posflg
Corr 0.0
CCDM
Ccdm 18314-2259 RComp Comp B Note1
Note2 Discov num ARA2234 DRAs DDEs
R dRAs Year 1924 Theta 317 Rho 11.3
Obs 2 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18253S2303B
HIC