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Current system
16138-1835
PRA 4


Nearby doubles
11' : 16137-1846
TOK 760

13' : 16146-1832
OCC 517

24' : 16141-1812
OCC 519

30' : 16127-1859
KSA 96AB

30' : 16134-1806
CHR 233

30' : 16140-1805
RST3008

31' : 16132-1904
PRA 2

33' : 16116-1839
HER 25AB

37' : 16163-1836
HDS2299

38' : 16113-1821
IRE 11AB

41' : 16120-1907
KOH 78AB

48' : 16111-1905
MSR 7

52' : 16113-1757
LAF 126AB

52' : 16127-1924
PRA 1

52' : 16137-1927
PRA 3

56' : 16105-1905
KOH 77

57' : 16104-1904
KOH 76AB

59' : 16099-1817
RST3006

59' : 16120-1928
BU 120AB
Jabbah

60' : 16105-1913
KSA 93AB

61' : 16096-1848
KSA 91

62' : 16107-1917
KSA 94AB

64' : 16124-1935
KOU 57

64' : 16095-1853
TOK 752

65' : 16100-1800
LAF 121AB

65' : 16142-1940
CVN 96



Selections
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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.

16138-1835 PRA 4

 
 
16h 13m 47.50s -18° 35' 00.4" P.A. 356.00 sep 7.5 mag 9.91,12.61 Sp M1.5
 
 
Coord 2000 16138-1835 Discov num PRA   4 Comp Coord arcsec 2000 16 13 47.50 -18 35 00.4
Date first 1999 Date last 2015 Obs 4
Pa first 355 Pa last 355.8 P.A. Now (θ) 355.8°
Sep first 7.3 Sep last 7.497 Sep. Now (ρ) 7.497"
Mag pri 9.91 Mag sec 12.61 delta mag (ΔM) 2.7 Spectral class M1.5 (red)
Pri motion ra -003 Sec motion ra
Pri motion dec -041 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius Gaia DR2 6245905067214867968
 
 
WDS 16138-1835 PRA 4 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Pra2001 Ci - Prato, L., Ghez, A.M., Pina, R.K., Telesco, C.M., Fisher, R.S., Wizinowich, P., 2001ApJ...549..590P
Pra2001 +Si Lai, O., Acton, D.S., & Stomski, P.
Pra2001 +A ApJ 549, 590, 2001
Pra2003 Xr - Prato, L., Greene, T.P., & Simon, M. 2003ApJ...584..853P
Pra2003 +Ci ApJ 584, 853, 2003
Pra2007 Xr - Prato, L. 2007ApJ...657..338P
Pra2007 +Ci ApJ 657, 338, 2007
Pra2017 A j Allen, T.S., Prato, L., Wright-Garba, N., Schaefer, G., Biddle, L.I., Skiff, B., 2017ApJ...845..161A
Pra2017 +Zc Avilez, I., Muzzio, R., & Simon, M.
Pra2017 +orb ApJ 845, 161, 2017 (see paper for additional system BVI photometry, etc.)
Pra2019 A j Prato, L.
Pra2019 preliminary result from http://jumar.lowell.edu/BinaryStars/
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16138-1835 PRA 4 2003 2 0 7.3 9.91   M1.5 K 161347.50-183500.4
16138-1835 PRA 4 2010 4 0 7.8 9.91 12.61 M1.5 K 161347.50-183500.4
16138-1835 PRA 4 2015 4 356 7.5 9.91 12.61 M1.5 K 161347.50-183500.4

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

 
 
WDS 16138-1835 PRA 4 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16138-1835 PRA 4 : MEASURES
 
 
No records found.

 
 
WDS 16138-1835 : VIRTUAL EYEPIECE
 
 

16138-1835 PRA 4A mag 9.91 Sp M1.5 16138-1835 PRA 4B sep 7.5 P.A. 356.00 mag 12.61 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 16138-1835 : ALADIN DSS IMAGE @ 16h 13m 47.50s -18° 35' 00.4"
 
 
 
 
WDS 16138-1835 PRA 4 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16138-1835 PRA 4 distance=0' 16137-1846 TOK 760 distance=11' 16146-1832 OCC 517 distance=13' 16141-1812 OCC 519 distance=24' 16127-1859 GHE 20Aa,Ab distance=30' 16127-1859 KSA 96AB distance=30' 16134-1806 CHR 233 distance=30' 16140-1805 RST3008 distance=30' 16132-1904 PRA 2 distance=31' 16116-1839 HER 25AB distance=33' 16116-1839 KRS 4Ba,Bb distance=33' 16163-1836 HDS2299 distance=37' 16113-1821 IRE 11AB distance=38' 16113-1821 IRE 11AC distance=38' 16120-1907 KOH 78AB distance=41' 16120-1907 MSR 8AC distance=41' 16120-1907 MSR 8AD distance=41' 16120-1907 MSR 8AE distance=41' 16111-1905 MSR 7 distance=48' 16113-1757 LAF 126AB distance=52' 16113-1757 LAF 126AC distance=52' 16127-1924 PRA 1 distance=52' 16137-1927 PRA 3 distance=52' 16105-1905 KOH 77 distance=56' 16104-1904 KOH 76AB distance=57' 16104-1904 KOH 76AC distance=57' 16104-1904 KSA 133AD distance=57' 16104-1904 KSA 133AE distance=57' 16104-1904 KSA 133AF distance=57' 16120-1928 MTL 2CD distance=59' 16099-1817 RST3006 distance=59' 16120-1928 CHR 146Aa,Ab (Jabbah) distance=59' 16120-1928 BU 120AB (Jabbah) distance=59' 16120-1928 H 5 6AC (Jabbah) distance=59' 16120-1928 LAF 127AE (Jabbah) distance=59' 16105-1913 KSA 93AB distance=60' 16105-1913 KSA 93Aa,Ab distance=60' 16105-1913 LAF 124AC distance=60' 16096-1848 KSA 91 distance=61' 16107-1917 KSA 94AB distance=62' 16107-1917 USD 820Aa,Ab distance=62' 16124-1935 KOU 57 distance=64' 16095-1853 TOK 752 distance=64' 16100-1800 LAF 121AB distance=65' 16100-1800 LAF 121AC distance=65' 16142-1940 CVN 96 distance=65' 16107-1924 OCC 463 distance=66' 16117-1935 GWP2607 distance=68' 16090-1900 KOU 54AB distance=72' 16090-1900 LAF 120AC distance=72' 16090-1900 HNK 6Aa,Ab distance=72' 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 16138-1835 PRA 4 356 7.5
Show 16137-1846 TOK 760 63 0.2 11
Show 16146-1832 OCC 517 -1 0.0 13
Show 16141-1812 OCC 519 -1 0.4 24
Show 16127-1859 GHE 20 Aa,Ab 156 0.1 30
Show 16127-1859 KSA 96 AB 269 19.1 30
Show 16134-1806 CHR 233 212 0.4 30
Show 16140-1805 RST3008 10 1.3 30
Show 16132-1904 PRA 2 18 0.4 31
Show 16116-1839 HER 25 AB 218 1.3 33
Show 16116-1839 KRS 4 Ba,Bb 101 0.0 33
Show 16163-1836 HDS2299 312 0.1 37
Show 16113-1821 IRE 11 AB 190 6.8 38
Show 16113-1821 IRE 11 AC 173 11.1 38
Show 16120-1907 KOH 78 AB 192 3.4 41
Show 16120-1907 MSR 8 AC 336 7.2 41
Show 16120-1907 MSR 8 AD 209 10.0 41
Show 16120-1907 MSR 8 AE 73 14.3 41
Show 16111-1905 MSR 7 204 10.0 48
Show 16113-1757 LAF 126 AB 203 0.1 52
Show 16113-1757 LAF 126 AC 38 14.1 52
Show 16127-1924 PRA 1 103 0.7 52
Show 16137-1927 PRA 3 346 0.6 52
Show 16105-1905 KOH 77 57 0.3 56
Show 16104-1904 KOH 76 AB 7 4.6 57
Show 16104-1904 KOH 76 AC -1 -1.0 57
Show 16104-1904 KSA 133 AD 104 3.0 57
Show 16104-1904 KSA 133 AE 333 4.4 57
Show 16104-1904 KSA 133 AF 334 4.5 57
Show 16120-1928 MTL 2 CD 55 2.4 59
Show 16099-1817 RST3006 22 2.1 59
Show Jabbah 16120-1928 CHR 146 Aa,Ab 344 0.1 59
Show Jabbah 16120-1928 BU 120 AB 1 1.4 59
Show Jabbah 16120-1928 H 5 6 AC 336 41.3 59
Show Jabbah 16120-1928 LAF 127 AE 318 5.3 59
Show 16105-1913 KSA 93 AB 114 5.7 60
Show 16105-1913 KSA 93 Aa,Ab 91 0.2 60
Show 16105-1913 LAF 124 AC 77 8.1 60
Show 16096-1848 KSA 91 4 20.2 61
Show 16107-1917 KSA 94 AB 186 16.7 62
Show 16107-1917 USD 820 Aa,Ab 168 1.1 62
Show 16124-1935 KOU 57 340 3.2 64
Show 16095-1853 TOK 752 166 0.2 64
Show 16100-1800 LAF 121 AB 151 3.8 65
Show 16100-1800 LAF 121 AC 131 8.5 65
Show 16142-1940 CVN 96 199 5.5 65
Show 16107-1924 OCC 463 -1 0.3 66
Show 16117-1935 GWP2607 50 24.0 68
Show 16090-1900 KOU 54 AB 100 1.0 72
Show 16090-1900 LAF 120 AC 134 6.0 72
Show 16090-1900 HNK 6 Aa,Ab 253 0.2 72

 
 
WDS 16138-1835 : COMPONENTS
 
 
  A
B pa=356.0°
sep=7.49"
 
 
16138-1835 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 161347.50-183500.4 Mag 9.91 Spectral class M1.5 (red)
PmRA -3.00 PmDE -41.0
 
 
16138-1835 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 161347.46-183452.9 Mag 12.61 Calc delta mag 2.7
Calc coord yes