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Doubles in session


Current system
18307-1639
ARA 104


Nearby doubles
20' : 18320-1641
ARA 105

25' : 18317-1658
HU 243

33' : 18326-1657
ARA 283AB

35' : 18328-1656
ARA 106

37' : 18295-1606
TDT 909

40' : 18307-1559
ARA 103

41' : 18284-1702
ARA 282

42' : 18332-1620
ARA 107

43' : 18318-1718
KPP4112

52' : 18282-1602
RST4012

53' : 18311-1730
J 1744

54' : 18338-1710
J 2216

57' : 18275-1711
RST3181

59' : 18347-1632
ARA 108

61' : 18344-1707
J 2217

64' : 18326-1542
RBR 9

64' : 18269-1712
BU 965

66' : 18266-1612
J 461

66' : 18271-1719
HDS2609

68' : 18351-1659
MCA 52

70' : 18307-1530
J 1653

77' : 18254-1631
HU 64AB

78' : 18299-1522
BRT 632

78' : 18360-1625
TDT 954

78' : 18280-1747
RST3182

79' : 18284-1527
FOX 82



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

18307-1639 ARA 104

 
 
18h 30m 40.64s -16° 38' 36.4" P.A. 205.00 sep 11.1 mag 11.31,11.45
 
 
Coord 2000 18307-1639 Discov num ARA 104 Comp Coord arcsec 2000 18 30 40.64 -16 38 36.4
Date first 1916 Date last 2019 Obs 7
Pa first 205 Pa last 204.6 P.A. Now (θ) 204.6°
Sep first 11.4 Sep last 11.149 Sep. Now (ρ) 11.149"
Mag pri 11.31 Mag sec 11.45 delta mag (ΔM) 0.14 Spectral class
Pri motion ra -006 Sec motion ra -014
Pri motion dec -009 Sec motion dec -027
Notes
rPM=0.648
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6266-02547-1 Gaia DR2 4096853820583314688
 
 
WDS 18307-1639 ARA 104 : 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
18307-1639 ARA 104 1998 3 205 11.3 11.31 11.45 D 183040.64-163836.4
18307-1639 ARA 104 1999 4 205 11.3 11.31 11.45 D 183040.64-163836.4
18307-1639 ARA 104 2017 5 206 11.3 11.31 11.45 183040.64-163836.4
18307-1639 ARA 104 2019 7 205 11.1 11.31 11.45 183040.64-163836.4

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

 
 
WDS 18307-1639 ARA 104 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18307-1639 ARA 104 : MEASURES
 
 
No records found.

 
 
WDS 18307-1639 : VIRTUAL EYEPIECE
 
 

18307-1639 ARA 104A mag 11.31 18307-1639 ARA 104B sep 11.1 P.A. 203.70 mag 11.45 virtual eyepiece
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Radius:
Components only
 
 
WDS 18307-1639 : ALADIN DSS IMAGE @ 18h 30m 40.64s -16° 38' 36.4"
 
 
 
 
WDS 18307-1639 ARA 104 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18307-1639 ARA 104 distance=0' 18320-1641 ARA 105 distance=20' 18317-1658 HU 243 distance=25' 18326-1657 ARA 283AB distance=33' 18326-1657 ARA 283AC distance=33' 18328-1656 ARA 106 distance=35' 18295-1606 TDT 909 distance=37' 18307-1559 ARA 103 distance=40' 18284-1702 ARA 282 distance=41' 18332-1620 ARA 107 distance=42' 18318-1718 KPP4112 distance=43' 18282-1602 RST4012 distance=52' 18311-1730 J 1744 distance=53' 18338-1710 J 2216 distance=54' 18275-1711 RST3181 distance=57' 18347-1632 ARA 108 distance=59' 18344-1707 J 2217 distance=61' 18326-1542 RBR 9 distance=64' 18269-1712 BU 965 distance=64' 18266-1612 J 461 distance=66' 18271-1719 HDS2609 distance=66' 18351-1659 MCA 52 distance=68' 18307-1530 J 1653 distance=70' 18254-1631 HU 64AB distance=77' 18254-1631 HU 64AC distance=77' 18254-1631 HU 64AD distance=77' 18299-1522 BRT 632 distance=78' 18360-1625 TDT 954 distance=78' 18280-1747 RST3182 distance=78' 18284-1527 FOX 82 distance=79' 18342-1741 ARA 284 distance=81' 18363-1649 ARA 109 distance=82' 18293-1517 HU 67 distance=85' 18247-1648 KRV 49 distance=86' 18275-1522 FOX 229C,DE distance=87' 18275-1522 FOX 229DE distance=87' 18275-1522 J 1631AB distance=89' 18275-1522 J 1631AC distance=89' 18275-1522 J 1631AF distance=89' 18269-1753 ARA 281 distance=92' 18369-1617 ARA 110 distance=93' 18375-1619 ARA 111 distance=101' 18315-1456 J 2132 distance=101' 18309-1456 FOX 231 distance=103' 18234-1635 WRH 11 distance=106' 18241-1734 J 2127 distance=106' 18260-1801 ARA 479 distance=106' 18264-1805 OCC9065 distance=106' 18314-1824 OCC 22Aa,Ab distance=107' 18314-1824 SEE 354AB distance=107' 18241-1735 J 2128 distance=107' 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 18307-1639 ARA 104 205 11.1
Show 18320-1641 ARA 105 144 14.5 20
Show 18317-1658 HU 243 346 1.4 25
Show 18326-1657 ARA 283 AB 34 11.9 33
Show 18326-1657 ARA 283 AC 143 13.8 33
Show 18328-1656 ARA 106 160 10.1 35
Show 18295-1606 TDT 909 85 1.7 37
Show 18307-1559 ARA 103 189 13.9 40
Show 18284-1702 ARA 282 265 12.9 41
Show 18332-1620 ARA 107 221 8.3 42
Show 18318-1718 KPP4112 250 1.5 43
Show 18282-1602 RST4012 113 0.2 52
Show 18311-1730 J 1744 249 2.9 53
Show 18338-1710 J 2216 19 3.6 54
Show 18275-1711 RST3181 110 1.4 57
Show 18347-1632 ARA 108 17 16.2 59
Show 18344-1707 J 2217 300 5.8 61
Show 18326-1542 RBR 9 250 7.3 64
Show 18269-1712 BU 965 109 1.5 64
Show 18266-1612 J 461 350 2.8 66
Show 18271-1719 HDS2609 105 1.7 66
Show 18351-1659 MCA 52 145 0.2 68
Show 18307-1530 J 1653 237 6.7 70
Show 18254-1631 HU 64 AB 12 3.7 77
Show 18254-1631 HU 64 AC 18 15.6 77
Show 18254-1631 HU 64 AD 349 24.7 77
Show 18299-1522 BRT 632 321 4.9 78
Show 18360-1625 TDT 954 204 2.0 78
Show 18280-1747 RST3182 4 2.7 78
Show 18284-1527 FOX 82 73 4.4 79
Show 18342-1741 ARA 284 69 5.4 81
Show 18363-1649 ARA 109 32 12.6 82
Show 18293-1517 HU 67 322 1.7 85
Show 18247-1648 KRV 49 331 7.9 86
Show 18275-1522 FOX 229 C,DE 243 6.7 87
Show 18275-1522 FOX 229 DE 328 2.7 87
Show 18275-1522 J 1631 AB 264 27.5 89
Show 18275-1522 J 1631 AC 157 118.0 89
Show 18275-1522 J 1631 AF 309 126.4 89
Show 18269-1753 ARA 281 102 13.8 92
Show 18369-1617 ARA 110 279 15.0 93
Show 18375-1619 ARA 111 197 9.2 101
Show 18315-1456 J 2132 322 3.7 101
Show 18309-1456 FOX 231 8 8.9 103
Show 18234-1635 WRH 11 92 2.5 106
Show 18241-1734 J 2127 48 5.0 106
Show 18260-1801 ARA 479 136 8.1 106
Show 18264-1805 OCC9065 306 0.2 106
Show 18314-1824 OCC 22 Aa,Ab -1 0.1 107
Show 18314-1824 SEE 354 AB 182 23.2 107
Show 18241-1735 J 2128 35 3.4 107

 
 
WDS 18307-1639 : COMPONENTS
 
 
  A
B pa=203.7°
sep=11.07"
 
 
18307-1639 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183040.64-163836.4 Mag 11.31 PmRA -6.00
PmDE -9.0 Tycho2 6266-02547-1
Tycho2
Tycho2 6266-02547-1 Pflag RAmdeg 277.66934576 DEmdeg -16.64345215
PmRA -3.2 PmDE -8.0 E RAmdeg 73 E DEmdeg 92
E pmRA 2.5 E pmDE 2.6 EpRAm 1979.47 EpDEm 1972.28
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.1 Q pmRA 0.2
Q pmDE 1.1 BTmag 11.803 E BTmag 0.133 VTmag 11.308
E VTmag 0.148 Prox 115 TYC HIP
CCDM RAdeg 277.66935389 DEdeg -16.64343250 EpRA 1990 1.71
EpDE 1990 1.66 E RAdeg 78.6 E DEdeg 104.5 Posflg
Corr 0.1
 
 
18307-1639 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183040.33-163846.5 Mag 11.45 PmRA -14.00
PmDE -27.0 Tycho2 6266-02910-1 Calc delta mag 0.14 Calc coord yes
Tycho2
Tycho2 6266-02910-1 Pflag RAmdeg 277.66781695 DEmdeg -16.64628103
PmRA -10.1 PmDE -2.1 E RAmdeg 97 E DEmdeg 123
E pmRA 4.5 E pmDE 4.8 EpRAm 1984.81 EpDEm 1981.54
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.414 E BTmag 0.288 VTmag 11.447
E VTmag 0.168 Prox 115 TYC HIP
CCDM RAdeg 277.66784111 DEdeg -16.64627611 EpRA 1990 1.68
EpDE 1990 1.60 E RAdeg 101.6 E DEdeg 131.8 Posflg
Corr 0.1