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Current system
18331-4852
RST 990


Nearby doubles
2' : 18330-4850
UC 3608

4' : 18329-4848
UC 3607

11' : 18341-4850
UC 3613

20' : 18336-4833
CPO 590

24' : 18350-4838
I 635

29' : 18340-4825
BRT1063

35' : 18318-4819
KPP 578

35' : 18313-4821
HJ 5046

36' : 18329-4927
BRT1062

38' : 18326-4814
UC 3605

39' : 18361-4915
UC 3624

42' : 18354-4816
BRT1066

45' : 18326-4936
RST9007

48' : 18308-4934
CPO 588

54' : 18360-4807
UC 3623

54' : 18339-4759
UC 3611

54' : 18349-4801
HJ 5047

54' : 18310-4802
ARY 75AB

55' : 18309-4801
HJ 5045

58' : 18275-4840
BRT1056

63' : 18387-4922
HDS2642

65' : 18268-4910
ALD 70

67' : 18266-4909
UC 3584

67' : 18297-4949
HDS2620

68' : 18349-4746
UC 3617

70' : 18364-4952
CPO 592



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

18331-4852 RST 990

 
 
18h 33m 03.38s -48° 51' 16.4" P.A. 336.00 sep 2.3 mag 10.77,13.50
 
 
Coord 2000 18331-4852 Discov num RST 990 Comp Coord arcsec 2000 18 33 03.38 -48 51 16.4
Date first 1930 Date last 2016 Obs 3
Pa first 335 Pa last 335.9 P.A. Now (θ) 335.9°
Sep first 2.0 Sep last 2.317 Sep. Now (ρ) 2.317"
Mag pri 10.77 Mag sec 13.50 delta mag (ΔM) 2.73 Spectral class
Pri motion ra +013 Sec motion ra
Pri motion dec -025 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Telescopium Tycho2 8367-00636-1 Gaia DR2 6704874927555002112
 
 
WDS 18331-4852 RST 990 : 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
18331-4852 RST 990 1948 2 335 2.0 10.77 13.50 183303.38-485116.4
18331-4852 RST 990 2016 3 336 2.3 10.77 13.50 183303.38-485116.4

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

 
 
WDS 18331-4852 RST 990 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18331-4852 RST 990 : MEASURES
 
 
No records found.

 
 
WDS 18331-4852 : VIRTUAL EYEPIECE
 
 

18331-4852 RST 990A mag 10.77 18331-4852 RST 990B sep 2.2 P.A. 343.60 mag 13.5 virtual eyepiece
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Radius:
Components only
 
 
WDS 18331-4852 : ALADIN DSS IMAGE @ 18h 33m 03.38s -48° 51' 16.4"
 
 
 
 
WDS 18331-4852 RST 990 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18331-4852 RST 990 distance=1' 18330-4850 UC 3608 distance=2' 18329-4848 UC 3607 distance=4' 18341-4850 UC 3613 distance=11' 18336-4833 CPO 590 distance=20' 18350-4838 I 635 distance=24' 18340-4825 BRT1063 distance=29' 18318-4819 KPP 578 distance=35' 18313-4821 HJ 5046 distance=35' 18329-4927 BRT1062 distance=36' 18326-4814 UC 3605 distance=38' 18361-4915 UC 3624 distance=39' 18354-4816 BRT1066 distance=42' 18326-4936 RST9007 distance=45' 18308-4934 CPO 588 distance=48' 18360-4807 UC 3623 distance=54' 18339-4759 UC 3611 distance=54' 18349-4801 HJ 5047 distance=54' 18310-4802 ARY 75AB distance=54' 18310-4802 ARY 75AC distance=54' 18309-4801 HJ 5045 distance=55' 18275-4840 BRT1056 distance=58' 18387-4922 HDS2642 distance=63' 18268-4910 ALD 70 distance=65' 18266-4909 UC 3584 distance=67' 18297-4949 HDS2620 distance=67' 18349-4746 UC 3617 distance=68' 18364-4952 CPO 592 distance=70' 18382-4804 BRT1070 distance=70' 18294-4752 TDT 907 distance=70' 18339-4732 UC 3610 distance=80' 18315-5011 SKF1147 distance=82' 18357-5010 BRT1067 distance=83' 18375-4736 UC 3627 distance=88' 18267-4957 BRT1053 distance=91' 18269-4745 I 632 distance=91' 18245-4932 UC 3574 distance=93' 18417-4815 UC 3639 distance=93' 18238-4816 HJ 5040AB distance=99' 18238-4816 HJ 5040A,BC distance=99' 18238-4816 DAW 222BC distance=99' 18241-4809 DAW9010AB distance=99' 18241-4809 DAW9010AC distance=99' 18242-4942 UC 3572 distance=101' 18410-4750 KPP4115 distance=101' 18234-4819 B 938 distance=101' 18231-4923 UC 3568 distance=103' 18340-4708 UC 3612 distance=105' 18258-4735 BRT1051 distance=106' 18291-4713 CPO 585 distance=106' 18379-5028 UC 3629 distance=108' 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 18331-4852 RST 990 336 2.3 1
Show 18330-4850 UC 3608 344 73.6 2
Show 18329-4848 UC 3607 224 48.1 4
Show 18341-4850 UC 3613 100 21.6 11
Show 18336-4833 CPO 590 287 5.9 20
Show 18350-4838 I 635 358 3.0 24
Show 18340-4825 BRT1063 116 4.8 29
Show 18318-4819 KPP 578 260 5.4 35
Show 18313-4821 HJ 5046 76 7.4 35
Show 18329-4927 BRT1062 179 5.3 36
Show 18326-4814 UC 3605 178 8.2 38
Show 18361-4915 UC 3624 287 9.2 39
Show 18354-4816 BRT1066 1 4.3 42
Show 18326-4936 RST9007 42 4.1 45
Show 18308-4934 CPO 588 275 3.3 48
Show 18360-4807 UC 3623 84 38.0 54
Show 18339-4759 UC 3611 283 20.9 54
Show 18349-4801 HJ 5047 171 45.2 54
Show 18310-4802 ARY 75 AB 170 12.5 54
Show 18310-4802 ARY 75 AC 47 17.7 54
Show 18309-4801 HJ 5045 20 7.9 55
Show 18275-4840 BRT1056 171 3.4 58
Show 18387-4922 HDS2642 176 1.4 63
Show 18268-4910 ALD 70 338 1.4 65
Show 18266-4909 UC 3584 281 10.2 67
Show 18297-4949 HDS2620 162 0.4 67
Show 18349-4746 UC 3617 138 36.6 68
Show 18364-4952 CPO 592 295 3.8 70
Show 18382-4804 BRT1070 157 5.2 70
Show 18294-4752 TDT 907 247 1.5 70
Show 18339-4732 UC 3610 157 41.8 80
Show 18315-5011 SKF1147 172 85.5 82
Show 18357-5010 BRT1067 46 3.9 83
Show 18375-4736 UC 3627 151 52.7 88
Show 18267-4957 BRT1053 268 5.1 91
Show 18269-4745 I 632 111 2.1 91
Show 18245-4932 UC 3574 277 34.8 93
Show 18417-4815 UC 3639 96 32.1 93
Show 18238-4816 HJ 5040 AB 291 9.7 99
Show 18238-4816 HJ 5040 A,BC 313 11.8 99
Show 18238-4816 DAW 222 BC 359 4.6 99
Show 18241-4809 DAW9010 AB 82 7.7 99
Show 18241-4809 DAW9010 AC 17 8.7 99
Show 18242-4942 UC 3572 156 74.0 101
Show 18410-4750 KPP4115 1 1.8 101
Show 18234-4819 B 938 339 7.0 101
Show 18231-4923 UC 3568 271 36.6 103
Show 18340-4708 UC 3612 155 151.5 105
Show 18258-4735 BRT1051 141 3.8 106
Show 18291-4713 CPO 585 342 5.8 106
Show 18379-5028 UC 3629 66 55.4 108

 
 
WDS 18331-4852 : COMPONENTS
 
 
  A
B pa=343.6°
sep=2.20"
 
 
18331-4852 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183303.38-485116.4 Mag 10.77 PmRA 13.00
PmDE -25.0 Tycho2 8367-00636-1
Tycho2
Tycho2 8367-00636-1 Pflag RAmdeg 278.26413998 DEmdeg -48.85457164
PmRA 13.0 PmDE -24.5 E RAmdeg 41 E DEmdeg 45
E pmRA 1.8 E pmDE 1.7 EpRAm 1985.08 EpDEm 1982.79
Num 4 Q RAmdeg 0.9 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.2 BTmag 11.297 E BTmag 0.071 VTmag 10.769
E VTmag 0.072 Prox 844 TYC T HIP
CCDM RAdeg 278.26409417 DEdeg -48.85451556 EpRA 1990 1.72
EpDE 1990 1.77 E RAdeg 42.6 E DEdeg 47.3 Posflg
Corr 0.0
 
 
18331-4852 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183303.32-485114.3 Mag 13.5 Calc delta mag 2.73
Calc coord yes