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Doubles in session


Current system
18388-1853
FEN 33


Nearby doubles
10' : 18393-1859
ARA 760

31' : 18371-1913
SEE 355

32' : 18365-1847
OCC 970

32' : 18374-1917
ARA 758

33' : 18369-1833
LEO 19

36' : 18388-1928
BRT1541

37' : 18386-1816
ARA 486

46' : 18418-1909
J 2221AB

49' : 18356-1833
RBR 10

51' : 18412-1928
OCC9183

63' : 18429-1829
ARA 488

64' : 18349-1925
ARA 755

65' : 18429-1917
OCC9184

69' : 18362-1950
ARA 756

71' : 18407-1957
ARA1158

72' : 18377-1742
FEN 32

74' : 18425-1943
ARA 761

77' : 18340-1929
B 1887

85' : 18331-1918
J 2215

88' : 18406-2016
ARA1157

88' : 18386-2020
DON 917

89' : 18412-1731
FEN 34

89' : 18325-1858
ARN 52AB

91' : 18325-1906
RST5116

92' : 18367-2019
HO 567

93' : 18391-2025
ARA1155



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

18388-1853 FEN 33

 
 
18h 38m 44.03s -18° 52' 18.2" P.A. 248.00 sep 2.6 mag 13.28,13.46
 
 
Coord 2000 18388-1853 Discov num FEN  33 Comp Coord arcsec 2000 18 38 44.03 -18 52 18.2
Date first 1916 Date last 2016 Obs 4
Pa first 244 Pa last 248.2 P.A. Now (θ) 248.2°
Sep first 2.8 Sep last 2.646 Sep. Now (ρ) 2.646"
Mag pri 13.28 Mag sec 13.46 delta mag (ΔM) 0.18 Spectral class
Pri motion ra +023 Sec motion ra +005
Pri motion dec +001 Sec motion dec -009
Notes B (Blue magnitudes)
rPM=0.894
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4092586478530070016
 
 
WDS 18388-1853 FEN 33 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Fen1929 Pa - Fender, F.G. 1929AN....235..421F
Fen1929 AN 235, 421, 1929
Fen1932 Ma j Fender, F.G. 1932PUPFA...5a...1O
Fen1932 Pub. Univ. Penn. 5, Pt.1, Sec.3, 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18388-1853 FEN 33 1916 1 244 2.8 13.28 13.46 B 183844.03-185218.2
18388-1853 FEN 33 1999 2 248 2.6 13.28 13.46 B 183844.03-185218.2
18388-1853 FEN 33 2015 3 248 2.6 13.28 13.46 B 183844.03-185218.2
18388-1853 FEN 33 2016 4 248 2.6 13.28 13.46 B 183844.03-185218.2

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

 
 
WDS 18388-1853 FEN 33 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18388-1853 FEN 33 : MEASURES
 
 
No records found.

 
 
WDS 18388-1853 : VIRTUAL EYEPIECE
 
 

18388-1853 FEN 33A mag 13.28 18388-1853 FEN 33B sep 2.5 P.A. 247.10 mag 13.46 virtual eyepiece
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Radius:
Components only
 
 
WDS 18388-1853 : ALADIN DSS IMAGE @ 18h 38m 44.03s -18° 52' 18.2"
 
 
 
 
WDS 18388-1853 FEN 33 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18388-1853 FEN 33 distance=0' 18393-1859 ARA 760 distance=10' 18371-1913 SEE 355 distance=31' 18365-1847 OCC 970 distance=32' 18374-1917 ARA 758 distance=32' 18369-1833 LEO 19 distance=33' 18388-1928 BRT1541 distance=36' 18386-1816 ARA 486 distance=37' 18418-1909 J 2221AB distance=46' 18418-1909 J 2221AC distance=46' 18356-1833 RBR 10 distance=49' 18412-1928 OCC9183 distance=51' 18429-1829 ARA 488 distance=63' 18349-1925 ARA 755 distance=64' 18429-1917 OCC9184 distance=65' 18362-1950 ARA 756 distance=69' 18407-1957 ARA1158 distance=71' 18377-1742 FEN 32 distance=72' 18425-1943 ARA 761 distance=74' 18340-1929 B 1887 distance=77' 18331-1918 J 2215 distance=85' 18406-2016 ARA1157 distance=88' 18386-2020 DON 917 distance=88' 18412-1731 FEN 34 distance=89' 18325-1858 ARN 52AB distance=89' 18325-1858 ANT 10AC distance=89' 18325-1858 ANT 10BC distance=91' 18325-1906 RST5116 distance=91' 18367-2019 HO 567 distance=92' 18391-2025 ARA1155 distance=93' 18342-1741 ARA 284 distance=96' 18439-1954 STN 44 distance=96' 18321-1906 RST3186 distance=96' 18441-1954 ARA1160 distance=98' 18319-1908 BU 966AI distance=99' 18319-1908 BU 966AR distance=99' 18319-1908 BU 966AH distance=99' 18319-1908 BU 966AG distance=99' 18319-1908 BU 966AB distance=99' 18319-1908 BU 966AE distance=99' 18319-1908 EVS 36AU distance=99' 18319-1908 EVS 36AV distance=99' 18319-1908 EVS 36AW distance=99' 18319-1908 KRV 17AN distance=99' 18319-1908 KRV 17AO distance=99' 18319-1908 BU 966HJ distance=100' 18319-1908 BU 966IC distance=100' 18319-1908 BU 966IB distance=100' 18319-1908 BU 966IQ distance=100' 18319-1908 BU 966Ba,Bb distance=100' 18319-1908 BU 966BC distance=100' 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 18388-1853 FEN 33 248 2.6
Show 18393-1859 ARA 760 60 5.6 10
Show 18371-1913 SEE 355 241 11.1 31
Show 18365-1847 OCC 970 -1 0.1 32
Show 18374-1917 ARA 758 270 9.1 32
Show 18369-1833 LEO 19 251 3.2 33
Show 18388-1928 BRT1541 34 4.2 36
Show 18386-1816 ARA 486 20 14.6 37
Show 18418-1909 J 2221 AB 254 7.5 46
Show 18418-1909 J 2221 AC 346 17.9 46
Show 18356-1833 RBR 10 320 4.9 49
Show 18412-1928 OCC9183 -1 0.2 51
Show 18429-1829 ARA 488 167 20.8 63
Show 18349-1925 ARA 755 77 13.1 64
Show 18429-1917 OCC9184 -1 0.1 65
Show 18362-1950 ARA 756 325 9.5 69
Show 18407-1957 ARA1158 68 6.6 71
Show 18377-1742 FEN 32 119 4.2 72
Show 18425-1943 ARA 761 242 6.9 74
Show 18340-1929 B 1887 283 2.2 77
Show 18331-1918 J 2215 267 6.0 85
Show 18406-2016 ARA1157 356 9.5 88
Show 18386-2020 DON 917 51 1.1 88
Show 18412-1731 FEN 34 325 3.8 89
Show 18325-1858 ARN 52 AB 262 70.0 89
Show 18325-1858 ANT 10 AC 256 65.8 89
Show 18325-1858 ANT 10 BC 138 8.2 91
Show 18325-1906 RST5116 67 3.0 91
Show 18367-2019 HO 567 165 1.3 92
Show 18391-2025 ARA1155 238 11.6 93
Show 18342-1741 ARA 284 69 5.4 96
Show 18439-1954 STN 44 316 1.6 96
Show 18321-1906 RST3186 187 0.7 96
Show 18441-1954 ARA1160 184 8.4 98
Show 18319-1908 BU 966 AI 194 165.0 99
Show 18319-1908 BU 966 AR 90 77.0 99
Show 18319-1908 BU 966 AH 295 72.0 99
Show 18319-1908 BU 966 AG 254 429.6 99
Show 18319-1908 BU 966 AB 252 66.2 99
Show 18319-1908 BU 966 AE 281 144.8 99
Show 18319-1908 EVS 36 AU 127 14.0 99
Show 18319-1908 EVS 36 AV 164 17.3 99
Show 18319-1908 EVS 36 AW 19 19.6 99
Show 18319-1908 KRV 17 AN 178 66.8 99
Show 18319-1908 KRV 17 AO 175 35.4 99
Show 18319-1908 BU 966 HJ 310 44.4 100
Show 18319-1908 BU 966 IC 264 93.6 100
Show 18319-1908 BU 966 IB 351 141.3 100
Show 18319-1908 BU 966 IQ 301 69.5 100
Show 18319-1908 BU 966 Ba,Bb 95 0.9 100
Show 18319-1908 BU 966 BC 205 164.9 100

 
 
WDS 18388-1853 : COMPONENTS
 
 
  A
B pa=247.1°
sep=2.52"
 
 
18388-1853 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183844.03-185218.2 Mag 13.28 PmRA 23.00
PmDE 1.0
 
 
18388-1853 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183843.87-185219.2 Mag 13.46 PmRA 5.00
PmDE -9.0 Calc delta mag 0.18 Calc coord yes