18258-2220 ARA 1887

 
 
18h 25m 50.47s -22° 19' 25.6" P.A. 187.00 sep 6.0 mag 12.27,12.66
 
 
Coord 2000 18258-2220 Discov num ARA1887 Comp Coord arcsec 2000 18 25 50.47 -22 19 25.6
Date first 1920 Date last 2016 Obs 6
Pa first 188 Pa last 187.4 P.A. Now (θ) 187.4°
Sep first 5.9 Sep last 6.004 Sep. Now (ρ) 6.004"
Mag pri 12.27 Mag sec 12.66 delta mag (ΔM) 0.39 Spectral class
Pri motion ra +001 Sec motion ra -011
Pri motion dec -016 Sec motion dec -063
Notes B (Blue magnitudes)
rPM=0.758
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4090127150221037696
 
 
WDS 18258-2220 ARA 1887 : 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
18258-2220 ARA1887 1928 2 180 5.6 12.27 12.66 B 182550.46-221924.2
18258-2220 ARA1887 1999 3 187 6.0 12.27 12.66 B 182550.47-221925.6
18258-2220 ARA1887 2010 5 190 6.6 12.27 12.66 B 182550.47-221925.6
18258-2220 ARA1887 2015 5 187 6.0 12.27 12.66 B 182550.47-221925.6
18258-2220 ARA1887 2016 6 187 6.0 12.27 12.66 B 182550.47-221925.6

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WDS 18258-2220 ARA 1887 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18258-2220 ARA 1887 : MEASURES
 
 
No records found.

 
 
WDS 18258-2220 : VIRTUAL EYEPIECE
 
 

18258-2220 ARA1887A mag 12.27 18258-2220 ARA1887B sep 6.0 P.A. 186.90 mag 12.66 virtual eyepiece
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Radius:
Components only
 
 
WDS 18258-2220 : ALADIN DSS IMAGE @ 18h 25m 50.47s -22° 19' 25.6"
 
 
 
 
WDS 18258-2220 ARA 1887 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18258-2220  ARA1887 distance=0' 18237-2209  BRT1534 distance=31' 18273-2154  ARA1535 distance=33' 18281-2228  ARA1888 distance=34' 18254-2146  ARA1533 distance=35' 18282-2227  ARA1889 distance=35' 18241-2248  ARA1886AB distance=38' 18241-2248  ARA1886AC distance=38' 18236-2245  ARA1884 distance=41' 18233-2245  BRT1533 distance=45' 18273-2140  HU  239 distance=45' 18228-2235  ARA1880 distance=46' 18226-2213  BRT1532 distance=46' 18235-2252  ARA1883 distance=46' 18284-2249  OCC  44 distance=47' 18239-2139  BRT1536 distance=49' 18234-2143  ARA1530 distance=50' 18231-2252  ARA1881 distance=50' 18224-2201  ARA1878 distance=51' 18224-2202  ARA1877 distance=51' 18281-2300  OCC  45 distance=52' 18280-2135  HU  240 distance=54' 18220-2233  J  2208 distance=55' 18236-2133  RST5112 distance=56' 18239-2129  BRT1535 distance=58' 18297-2241  RST3183 distance=58' 18223-2248  ARA1876 distance=58' 18288-2138  HU  242 distance=59' 18217-2203  ARA1874 distance=60' 18294-2258  BRT1538 distance=63' 18220-2143  ARA1528 distance=65' 18296-2138  ARA1536 distance=68' 18209-2216  ARA1873 distance=68' 18264-2111  ARA1534 distance=70' 18289-2122  HU  241AB distance=72' 18289-2122  HU  241AC distance=72' 18282-2114  HJ 2832 distance=73' 18280-2328  LEO  18 distance=76' 18218-2309  ARA2228 distance=76' 18230-2115  ARA1529 distance=76' 18302-2135  ARA1537 distance=76' 18257-2102  HLD 144AB distance=78' 18257-2102  HLD 144AC distance=78' 18257-2102  HLD 144CD distance=78' 18208-2257  ARA1872 distance=81' 18306-2133  ARA1538 distance=82' 18227-2328  BRT3067 distance=82' 18199-2222  DON 891 distance=83' 18317-2211  ARA1890 distance=83' 18259-2053  BRT1537 distance=85' 18305-2315  RST4013 distance=85' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18258-2220 ARA1887 187 6.0
Show 18237-2209 BRT1534 117 4.7 31
Show 18273-2154 ARA1535 38 11.4 33
Show 18281-2228 ARA1888 250 13.7 34
Show 18254-2146 ARA1533 336 13.3 35
Show 18282-2227 ARA1889 9 9.0 35
Show 18241-2248 ARA1886 AB 64 15.2 38
Show 18241-2248 ARA1886 AC 152 7.9 38
Show 18236-2245 ARA1884 338 13.8 41
Show 18233-2245 BRT1533 65 1.9 45
Show 18273-2140 HU 239 185 3.1 45
Show 18228-2235 ARA1880 244 10.3 46
Show 18226-2213 BRT1532 245 5.8 46
Show 18235-2252 ARA1883 216 6.5 46
Show 18284-2249 OCC 44 -1 0.1 47
Show 18239-2139 BRT1536 71 3.5 49
Show 18234-2143 ARA1530 101 14.5 50
Show 18231-2252 ARA1881 134 13.3 50
Show 18224-2201 ARA1878 264 12.4 51
Show 18224-2202 ARA1877 255 9.0 51
Show 18281-2300 OCC 45 -1 0.1 52
Show 18280-2135 HU 240 35 4.7 54
Show 18220-2233 J 2208 170 6.4 55
Show 18236-2133 RST5112 25 0.3 56
Show 18239-2129 BRT1535 307 4.5 58
Show 18297-2241 RST3183 207 0.5 58
Show 18223-2248 ARA1876 84 10.8 58
Show 18288-2138 HU 242 279 1.2 59
Show 18217-2203 ARA1874 288 9.6 60
Show 18294-2258 BRT1538 290 4.1 63
Show 18220-2143 ARA1528 298 16.6 65
Show 18296-2138 ARA1536 147 15.5 68
Show 18209-2216 ARA1873 97 14.1 68
Show 18264-2111 ARA1534 270 13.2 70
Show 18289-2122 HU 241 AB 34 4.1 72
Show 18289-2122 HU 241 AC 301 63.0 72
Show 18282-2114 HJ 2832 21 23.1 73
Show 18280-2328 LEO 18 295 2.8 76
Show 18218-2309 ARA2228 195 14.0 76
Show 18230-2115 ARA1529 307 11.8 76
Show 18302-2135 ARA1537 77 13.4 76
Show 18257-2102 HLD 144 AB 42 2.8 78
Show 18257-2102 HLD 144 AC 281 68.8 78
Show 18257-2102 HLD 144 CD 159 7.5 78
Show 18208-2257 ARA1872 77 6.9 81
Show 18306-2133 ARA1538 255 9.4 82
Show 18227-2328 BRT3067 29 3.3 82
Show 18199-2222 DON 891 78 4.8 83
Show 18317-2211 ARA1890 289 11.5 83
Show 18259-2053 BRT1537 284 3.4 85
Show 18305-2315 RST4013 264 1.3 85

 
 
WDS 18258-2220 : COMPONENTS
 
 
  A
B pa=186.9°
sep=6.00"
 
 
18258-2220 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182550.47-221925.6 Mag 12.27 PmRA 1.00
PmDE -16.0
 
 
18258-2220 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182550.42-221931.6 Mag 12.66 PmRA -11.00
PmDE -63.0 Calc delta mag 0.39 Calc coord yes