stampa
Login

Keep tracks of you favourite doubles.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18018-2805
RST 2020


Nearby doubles
16' : 18021-2820
BRT3055

22' : 18029-2750
B 2428AB

23' : 18007-2823
OCC9173

25' : 18034-2754
BRT3056

26' : 18016-2740
TDT 641AB

27' : 17598-2801
RST2015

35' : 18020-2731
STN 40AB

36' : 18004-2735
RST2016

36' : 18035-2738
TDT 660

42' : 18009-2726
RST2018

42' : 17587-2808
TDT 608

43' : 18050-2806
J 1593

43' : 18005-2844
BRT3054

43' : 17597-2839
B 370

50' : 17581-2816
BRT3052

51' : 17592-2842
SKF2547

52' : 18045-2729
SKF2549

53' : 18042-2846
BRT3058AB

58' : 17589-2850
B 2848

59' : 18053-2841
B 374

62' : 18032-2707
J 1592AB

62' : 18028-2705
HLD 32AB

65' : 17596-2903
SKF2548

67' : 18014-2911
RST2019

68' : 17592-2708
B 368AB

68' : 17567-2804
OCC 109



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18018-2805 RST 2020

 
 
18h 01m 48.33s -28° 05' 12.9" P.A. 171.00 sep 3.4 mag 9.99,14.20 Sp K5
 
 
Coord 2000 18018-2805 Discov num RST2020 Comp Coord arcsec 2000 18 01 48.33 -28 05 12.9
Date first 1934 Date last 1996 Obs 3
Pa first 172 Pa last 170.9 P.A. Now (θ) 170.9°
Sep first 3.3 Sep last 3.43 Sep. Now (ρ) 3.43"
Mag pri 9.99 Mag sec 14.20 delta mag (ΔM) 4.21 Spectral class K5 (yellow-orange)
Pri motion ra +002 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6850-03271-1 Gaia DR2 4062708315183302784 HD 316967
 
 
WDS 18018-2805 RST 2020 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18018-2805 RST2020 1940 2 171 3.3 9.99 14.20 180148.33-280512.9
18018-2805 RST2020 1996 3 171 3.4 9.99 14.20 K5 180148.33-280512.9
18018-2805 RST2020 2000 3 171 3.6 9.99 14.20 180148.33-280512.9

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

 
 
WDS 18018-2805 RST 2020 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18018-2805 RST 2020 : MEASURES
 
 
No records found.

 
 
WDS 18018-2805 : VIRTUAL EYEPIECE
 
 

18018-2805 RST2020A mag 9.99 Sp K5 18018-2805 RST2020B sep 3.4 P.A. 172.00 mag 14.2 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 18018-2805 : ALADIN DSS IMAGE @ 18h 01m 48.33s -28° 05' 12.9"
 
 
 
 
WDS 18018-2805 RST 2020 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18018-2805 RST2020 distance=0' 18021-2820 BRT3055 distance=16' 18029-2750 HDS2541Aa,Ab distance=22' 18029-2750 B 2428AB distance=22' 18007-2823 OCC9173 distance=23' 18034-2754 BRT3056 distance=25' 18016-2740 TDT 641AB distance=26' 18016-2740 STN 38AC distance=26' 17598-2801 RST2015 distance=27' 18020-2731 STN 40AB distance=35' 18020-2731 B 2850AC distance=35' 18004-2735 RST2016 distance=36' 18035-2738 TDT 660 distance=36' 18009-2726 RST2018 distance=42' 17587-2808 TDT 608 distance=42' 18050-2806 J 1593 distance=43' 18005-2844 BRT3054 distance=43' 17597-2839 B 370 distance=43' 17581-2816 BRT3052 distance=50' 17592-2842 SKF2547 distance=51' 18045-2729 SKF2549 distance=52' 18042-2846 BRT3058AB distance=53' 18042-2846 AAQ 4AC distance=53' 17589-2850 B 2848 distance=58' 18053-2841 B 374 distance=59' 18032-2707 J 1592AB distance=62' 18032-2707 J 1592AC distance=62' 18028-2705 HLD 32AB distance=62' 18028-2705 FOX 218AC distance=62' 17596-2903 SKF2548 distance=65' 18014-2911 RST2019 distance=67' 17592-2708 OCC 703Aa,Ab distance=68' 17592-2708 B 368AB distance=68' 17567-2804 OCC 109 distance=68' 18051-2707 OCC 90 distance=73' 18050-2705 OCC 89 distance=74' 17586-2909 RST2011 distance=77' 17557-2805 I 109 distance=81' 18035-2643 BRT3057 distance=86' 17570-2708 OCC 801 distance=87' 18060-2659 I 1017 distance=87' 18068-2902 RST2031 distance=88' 17574-2910 TDT 596 distance=88' 17557-2733 KPP2761 distance=88' 17566-2903 I 1347 distance=90' 17556-2841 OCC9172 distance=90' 17594-2929 RST2014 distance=90' 18069-2905 RSS 472 distance=90' 17562-2714 I 1346 distance=91' 18086-2752 BU 244Ba,Bb distance=91' 18086-2752 BU 244AB distance=91' 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 18018-2805 RST2020 171 3.4
Show 18021-2820 BRT3055 48 4.9 16
Show 18029-2750 HDS2541 Aa,Ab 38 0.3 22
Show 18029-2750 B 2428 AB 42 9.6 22
Show 18007-2823 OCC9173 -1 0.0 23
Show 18034-2754 BRT3056 171 4.5 25
Show 18016-2740 TDT 641 AB 130 1.9 26
Show 18016-2740 STN 38 AC 87 6.3 26
Show 17598-2801 RST2015 197 0.8 27
Show 18020-2731 STN 40 AB 161 2.4 35
Show 18020-2731 B 2850 AC 50 5.8 35
Show 18004-2735 RST2016 121 0.9 36
Show 18035-2738 TDT 660 208 0.7 36
Show 18009-2726 RST2018 343 1.8 42
Show 17587-2808 TDT 608 245 1.3 42
Show 18050-2806 J 1593 149 9.1 43
Show 18005-2844 BRT3054 184 3.0 43
Show 17597-2839 B 370 70 2.2 43
Show 17581-2816 BRT3052 77 5.2 50
Show 17592-2842 SKF2547 93 5.6 51
Show 18045-2729 SKF2549 239 5.5 52
Show 18042-2846 BRT3058 AB 63 4.8 53
Show 18042-2846 AAQ 4 AC 37 5.8 53
Show 17589-2850 B 2848 227 4.9 58
Show 18053-2841 B 374 159 3.7 59
Show 18032-2707 J 1592 AB 351 8.0 62
Show 18032-2707 J 1592 AC 12 21.2 62
Show 18028-2705 HLD 32 AB 101 5.2 62
Show 18028-2705 FOX 218 AC 67 41.9 62
Show 17596-2903 SKF2548 74 7.7 65
Show 18014-2911 RST2019 165 0.5 67
Show 17592-2708 OCC 703 Aa,Ab -1 0.1 68
Show 17592-2708 B 368 AB 81 3.6 68
Show 17567-2804 OCC 109 -1 0.1 68
Show 18051-2707 OCC 90 -1 0.1 73
Show 18050-2705 OCC 89 -1 0.1 74
Show 17586-2909 RST2011 189 4.1 77
Show 17557-2805 I 109 240 5.4 81
Show 18035-2643 BRT3057 184 4.3 86
Show 17570-2708 OCC 801 -1 0.1 87
Show 18060-2659 I 1017 84 2.1 87
Show 18068-2902 RST2031 130 6.8 88
Show 17574-2910 TDT 596 124 0.6 88
Show 17557-2733 KPP2761 9 3.4 88
Show 17566-2903 I 1347 22 0.1 90
Show 17556-2841 OCC9172 -1 0.0 90
Show 17594-2929 RST2014 271 6.4 90
Show 18069-2905 RSS 472 147 11.3 90
Show 17562-2714 I 1346 204 0.8 91
Show 18086-2752 BU 244 Ba,Bb 154 0.1 91
Show 18086-2752 BU 244 AB 270 2.2 91

 
 
WDS 18018-2805 : COMPONENTS
 
 
  A
B pa=172.0°
sep=3.42"
 
 
18018-2805 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180148.33-280512.9 Mag 9.99 Spectral class K5 (yellow-orange)
PmRA 2.00 PmDE -1.0 Tycho2 6850-03271-1 HD 316967
DM CD-2814030
Tycho2
Tycho2 6850-03271-1 Pflag RAmdeg 270.45137136 DEmdeg -28.08692822
PmRA 1.5 PmDE -0.7 E RAmdeg 27 E DEmdeg 39
E pmRA 2.8 E pmDE 2.5 EpRAm 1990.67 EpDEm 1988.52
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.0
Q pmDE 0.7 BTmag 11.366 E BTmag 0.077 VTmag 9.989
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 270.45136750 DEdeg -28.08692667 EpRA 1990 1.86
EpDE 1990 1.88 E RAdeg 27.3 E DEdeg 39.8 Posflg
Corr 0.0
 
 
18018-2805 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180148.37-280516.3 Mag 14.2 Calc delta mag 4.21
Calc coord yes