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Current system
18494-1740
TDT 1072


Nearby doubles
10' : 18494-1750
HJ 2840

24' : 18510-1747
HJ 2842

34' : 18503-1812
TDT1080

37' : 18506-1813
RST3200

39' : 18516-1719
HU 255

40' : 18487-1702
J 2235AB

40' : 18480-1814
RST3198

42' : 18505-1818
TDT1081

43' : 18480-1817
WSI 36

43' : 18482-1820
J 1636

46' : 18498-1655
TDT4316

46' : 18496-1654
HWE 44AB

47' : 18500-1826
J 1658

51' : 18528-1725
HU 257

56' : 18509-1646
HLD 148

57' : 18498-1836
TDT1075

57' : 18488-1836
KUI 88

58' : 18480-1647
HJ 2838

59' : 18488-1838
RSS 491

65' : 18528-1658
J 2238

72' : 18477-1633
RST4020

74' : 18442-1733
HLD 146

75' : 18496-1854
OCC 454

79' : 18549-1733
RST3205AB

79' : 18531-1838
HO 569AB

85' : 18553-1738
HJ 2844



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

18494-1740 TDT 1072

 
 
18h 49m 24.96s -17° 40' 11.3" P.A. 310.00 sep 0.7 mag 11.56,11.76
 
 
Coord 2000 18494-1740 Discov num TDT1072 Comp Coord arcsec 2000 18 49 24.96 -17 40 11.3
Date first 1991 Date last 2016 Obs 2
Pa first 302 Pa last 310 P.A. Now (θ) 310°
Sep first 0.9 Sep last 0.7 Sep. Now (ρ) 0.7"
Mag pri 11.56 Mag sec 11.76 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -001 Sec motion ra -001
Pri motion dec +002 Sec motion dec +002
Notes T (Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6285-02936-1 Gaia DR2 4098916233827358464
 
 
WDS 18494-1740 TDT 1072 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18494-1740 TDT1072 1991 1 302 0.9 11.56 11.76 184924.96-174011.3
18494-1740 TDT1072 2016 2 310 0.7 11.56 11.76 T 184924.96-174011.3

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

 
 
WDS 18494-1740 TDT 1072 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18494-1740 TDT 1072 : MEASURES
 
 
No records found.

 
 
WDS 18494-1740 : VIRTUAL EYEPIECE
 
 

18494-1740 TDT1072A mag 11.56 18494-1740 TDT1072B sep 0.7 P.A. 311.40 mag 11.76 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18494-1740 : ALADIN DSS IMAGE @ 18h 49m 24.96s -17° 40' 11.3"
 
 
 
 
WDS 18494-1740 TDT 1072 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18494-1740 TDT1072 distance=0' 18494-1750 HJ 2840 distance=10' 18510-1747 HJ 2842 distance=24' 18503-1812 TDT1080 distance=34' 18506-1813 RST3200 distance=37' 18487-1702 J 2235BC distance=39' 18516-1719 HU 255 distance=39' 18487-1702 J 2235AB distance=40' 18480-1814 RST3198 distance=40' 18505-1818 TDT1081 distance=42' 18480-1817 WSI 36 distance=43' 18482-1820 J 1636 distance=43' 18498-1655 TDT4316 distance=46' 18496-1654 HWE 44AB distance=46' 18496-1654 HWE 44AC distance=46' 18496-1654 KNP 3AD distance=46' 18500-1826 J 1658 distance=47' 18528-1725 HU 257 distance=51' 18509-1646 HLD 148 distance=56' 18498-1836 TDT1075 distance=57' 18488-1836 KUI 88 distance=57' 18480-1647 HJ 2838 distance=58' 18488-1838 RSS 491 distance=59' 18528-1658 J 2238 distance=65' 18477-1633 RST4020 distance=72' 18442-1733 HLD 146 distance=74' 18496-1854 OCC 454 distance=75' 18549-1733 RST3205AB distance=79' 18549-1733 HJ 2843AB,C distance=79' 18531-1838 HO 569AB distance=79' 18531-1838 OCC9186Aa,Ab distance=79' 18553-1738 HJ 2844 distance=85' 18435-1725 RST3194 distance=86' 18496-1909 OCC 455AB distance=89' 18529-1625 RST4021 distance=91' 18457-1624 J 1656 distance=93' 18559-1735 HJ 2845 distance=93' 18530-1623 RST4022 distance=93' 18470-1912 HJ 2837 distance=98' 18526-1909 ARA 764 distance=101' 18557-1646 J 1661 distance=104' 18444-1623 HJ 2835 distance=106' 18429-1829 ARA 488 distance=107' 18500-1933 KPP4124 distance=114' 18555-1626 ARA 112 distance=115' 18562-1843 OCC 964 distance=116' 18560-1637 J 1662 distance=117' 18483-1935 B 2461 distance=117' 18555-1623 SOZ 18 distance=117' 18412-1731 FEN 34 distance=119' 18479-1936 J 1657 distance=119' 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 18494-1740 TDT1072 310 0.7
Show 18494-1750 HJ 2840 173 15.2 10
Show 18510-1747 HJ 2842 338 29.9 24
Show 18503-1812 TDT1080 134 0.9 34
Show 18506-1813 RST3200 0.7 37
Show 18487-1702 J 2235 BC 5 6.6 39
Show 18516-1719 HU 255 166 1.4 39
Show 18487-1702 J 2235 AB 203 90.0 40
Show 18480-1814 RST3198 154 0.4 40
Show 18505-1818 TDT1081 75 0.5 42
Show 18480-1817 WSI 36 262 15.8 43
Show 18482-1820 J 1636 78 7.1 43
Show 18498-1655 TDT4316 333 45.1 46
Show 18496-1654 HWE 44 AB 298 2.0 46
Show 18496-1654 HWE 44 AC 308 36.4 46
Show 18496-1654 KNP 3 AD 200 22.2 46
Show 18500-1826 J 1658 59 8.4 47
Show 18528-1725 HU 257 341 2.1 51
Show 18509-1646 HLD 148 30 5.0 56
Show 18498-1836 TDT1075 97 0.5 57
Show 18488-1836 KUI 88 153 0.5 57
Show 18480-1647 HJ 2838 335 33.4 58
Show 18488-1838 RSS 491 334 10.8 59
Show 18528-1658 J 2238 182 4.8 65
Show 18477-1633 RST4020 26 3.5 72
Show 18442-1733 HLD 146 194 2.2 74
Show 18496-1854 OCC 454 -1 0.1 75
Show 18549-1733 RST3205 AB 300 0.5 79
Show 18549-1733 HJ 2843 AB,C 339 22.0 79
Show 18531-1838 HO 569 AB 38 15.6 79
Show 18531-1838 OCC9186 Aa,Ab -1 -1.0 79
Show 18553-1738 HJ 2844 105 23.7 85
Show 18435-1725 RST3194 87 4.0 86
Show 18496-1909 OCC 455 AB -1 0.2 89
Show 18529-1625 RST4021 118 0.2 91
Show 18457-1624 J 1656 287 7.6 93
Show 18559-1735 HJ 2845 6 3.9 93
Show 18530-1623 RST4022 312 0.4 93
Show 18470-1912 HJ 2837 89 11.2 98
Show 18526-1909 ARA 764 221 10.8 101
Show 18557-1646 J 1661 98 4.5 104
Show 18444-1623 HJ 2835 303 15.3 106
Show 18429-1829 ARA 488 167 20.8 107
Show 18500-1933 KPP4124 15 1.5 114
Show 18555-1626 ARA 112 176 10.7 115
Show 18562-1843 OCC 964 -1 0.0 116
Show 18560-1637 J 1662 191 4.5 117
Show 18483-1935 B 2461 197 6.7 117
Show 18555-1623 SOZ 18 142 17.7 117
Show 18412-1731 FEN 34 325 3.8 119
Show 18479-1936 J 1657 28 3.6 119

 
 
WDS 18494-1740 : COMPONENTS
 
 
  A
B pa=311.4°
sep=0.68"
 
 
18494-1740 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184924.96-174011.3 Mag 11.56 PmRA -1.00
PmDE 2.0 Tycho2 6285-02936-1
Tycho2
Tycho2 6285-02936-1 Pflag RAmdeg 282.35387864 DEmdeg -17.66973168
PmRA -0.6 PmDE 1.6 E RAmdeg 49 E DEmdeg 53
E pmRA 2.3 E pmDE 2.4 EpRAm 1984.33 EpDEm 1981.73
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.4 Q pmRA 0.9
Q pmDE 0.4 BTmag 11.662 E BTmag 0.088 VTmag 11.091
E VTmag 0.092 Prox 999 TYC HIP
CCDM RAdeg 282.35387694 DEdeg -17.66973250 EpRA 1990 1.78
EpDE 1990 1.70 E RAdeg 53.2 E DEdeg 65.2 Posflg
Corr -0.1
 
 
18494-1740 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184924.92-174010.9 Mag 11.76 PmRA -1.00
PmDE 2.0 Calc delta mag 0.2 Calc coord yes