18280-2525 WFC 208 (Kaus Borealis)

 
 
18h 27m 58.24s -25° 25' 18.1" P.A. 184.00 sep 82.5 mag 2.92,9.87 Sp K0IV dist. 23.97 pc (78.19 l.y.)
 
 
Coord 2000 18280-2525 Discov num WFC 208 Comp Coord arcsec 2000 18 27 58.24 -25 25 18.1
Date first 1911 Date last 2019 Obs 9
Pa first 188 Pa last 184.1 P.A. Now (θ) 184.1°
Sep first 101.4 Sep last 82.511 Sep. Now (ρ) 82.511"
Mag pri 2.92 Mag sec 9.87 delta mag (ΔM) 6.95 Spectral class K0IV (yellow-orange)
Pri motion ra -045 Sec motion ra +000
Pri motion dec -186 Sec motion dec -017
Notes N (See Notes)
rPM=0.914
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Kaus Borealis Constellation Sagittarius SAO 186841 HIP 90496
Tycho2 6861-03180-1 Gaia DR2 4076915349748285952 HD 169916 HR 6913
GC 25180 GL Gl 713.1 CD CD-2513149 CP CP-25 6523
Bayer Lambda Sagittarii Bayer name Lam Sgr Flamsteed 22 Sagittarii Flamsteed name 22 Sgr
FK5 692 Distance 23.97 Distance ly 78.19 Bayer greek λ Sgr
 
 
WDS 18280-2525 WFC 208 (Kaus Borealis) : NOTES
 
 
discov_num notes refcode
WFC 208 lam Sgr = Kaus Borealis.
 
 
REFERENCES
 
 
refcode metd author reference
WFC (Washington Fundamental Cat. - astrographs)
WFC1939 Pa - Schlesinger, F. & Barney, I. 1939TOYal..11....1S
WFC1939 Trans. Astron. Obs. Yale Univ., 11, 1, 1939 (-10 to -14 deg zones)
WFC1940a Pa - Schlesinger, F. & Barney, I. 1940TOYal..12a...1S
WFC1940a Trans. Astron. Obs. Yale Univ., 12a, 1, 1940 (-14 to -18 deg zones)
WFC1940b Pa - Schlesinger, F. & Barney, I. 1940TOYal..12b...1S
WFC1940b Trans. Astron. Obs. Yale Univ., 12b, 1, 1940 (-18 to -20 deg zones)
WFC1943a Pa - Schlesinger, F. & Barney, I. 1943TOYal..13a...1S
WFC1943a Trans. Astron. Obs. Yale Univ., 13a, 1, 1943 (-20 to -22 deg zones)
WFC1943b Pa - Schlesinger, F. & Barney, I. 1943TOYal..13b...1S
WFC1943b Trans. Astron. Obs. Yale Univ., 13b, 1, 1943 (-27 to -30 deg zones)
WFC1943c Pa - Schlesinger, F. & Barney, I. 1943TOYal..14....1S
WFC1943c Trans. Astron. Obs. Yale Univ., 14, 1, 1943 (-22 to -27 deg zones)
WFC1945a Pa - Barney, I. 1945TOYal..16....1B
WFC1945a Trans. Astron. Obs. Yale Univ., 16, 1, 1945 (-06 to -10 deg zones)
WFC1945b Pa - Barney, I. 1945TOYal..17....1B
WFC1945b Trans. Astron. Obs. Yale Univ., 17, 1, 1945 (-02 to -06 deg zones)
WFC1947 Pa - Barney, I. 1947TOYal..18....1B
WFC1947 Trans. Astron. Obs. Yale Univ., 18, 1, 1947 (+15 to +20 deg zones)
WFC1948 Pa - Barney, I. 1948TOYal..19....1B
WFC1948 Trans. Astron. Obs. Yale Univ., 19, 1, 1948 (+09 to +15 deg zones)
WFC1949 Pa - Barney, I. 1949TOYal..20....1B
WFC1949 Trans. Astron. Obs. Yale Univ., 20, 1, 1949 (+01 to +05 deg zones)
WFC1950a Pa - Baillaud, J. .
WFC1950a Paris Obs., 1950 (+17 to +25 deg zones)
WFC1950b Pa - Barney, I. 1950TOYal..21....1B
WFC1950b Trans. Astron. Obs. Yale Univ., 21, 1, 1950 (+01 to -02 deg zones)
WFC1950c Pa - Barney, I. 1950TOYal..22A...1B
WFC1950c Trans. Astron. Obs. Yale Univ., 22, 1, 1950 (+05 to +09 deg zones)
WFC1953 Pa - Barney, I. 1953TOYal..24....1B
WFC1953 Trans. Astron. Obs. Yale Univ., 24, 1, 1954 (+25 to +30 deg zones)
WFC1954a Pa - Jackson, J. & Stoy R.H. 1954AnCap..17.....J
WFC1954a Ann. Cape Obs. London 17, 1954
WFC1954a Cape Photographic Catalogue for 1950.0., Vol. 17: Zone -30 deg to -35 deg
WFC1954b Pa - Jackson, J. & Stoy R.H. 1954AnCap..18.....J
WFC1954b Ann. Cape Obs. London 18, 1954
WFC1954b Cape Photographic Catalogue for 1950.0., Vol. 18: Zone -35 deg to -40 deg
WFC1954c Pa - Barney, I. 1954TOYal..25....1B
WFC1954c Trans. Astron. Obs. Yale Univ., 25, 1, 1954 (+20 to +25 deg zones)
WFC1954d Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1954TOYal..26....1B
WFC1954d Trans. Astron. Obs. Yale Univ., 26, 1, 1954 (+85 to +90 deg zones)
WFC1955 Pa - Jackson, J. & Stoy R.H. 1955AnCap..19.....J
WFC1955 Ann. Cape Obs. London 19, 1955
WFC1955 Cape Photographic Catalogue for 1950.0., Vol. 19: Zone -52 deg to -56 deg
WFC1958a Pa - Schorr, R. & Kohlschuetter, A. .
WFC1958a AGK2 Cat. North of -2.5 deg, Vol. 1-15, 1958 (Bergedorf)
WFC1958b Pa - Schorr, R. & Kohlschuetter, A. .
WFC1958b AGK2 Cat. North of -2.5 deg, Vol. 1-15, 1958 (Bonn)
WFC1958c Pa - Jackson, J. & Stoy R.H. 1958AnCap..20..155J
WFC1958c Ann. Cape Obs. London, 20, 155, 1958
WFC1958c Cape Photographic Catalogue for 1950.0. Vol. 20: Zones -56 to -60 deg
WFC1958d Pa - Jackson, J. & Stoy R.H. 1958AnCap..20..155J
WFC1958d Ann. Cape Obs., London, 20, 155, 1958
WFC1958d Cape Photographic Catalogue for 1950.0. Vol. 20: Zones -60 to -64 deg
WFC1959a Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1959TOYal..26....1B
WFC1959a Trans. Astron. Obs. Yale Univ., 26, 1, 1959 (+50 to +55 deg zones)
WFC1959b Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1959TOYal..27....1B
WFC1959b Trans. Astron. Obs. Yale Univ., 27, 1, 1959 (+55 to +60 deg zones)
WFC1966a Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966a Ann. Cape Obs. London, 21, 1966
WFC1966a Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -64 to -68 deg
WFC1966b Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966b Ann. Cape Obs. London, 21, 1966
WFC1966b Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -68 to -72 deg
WFC1966c Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966c Ann. Cape Obs. London, 21, 1966
WFC1966c Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -72 to -76 deg
WFC1966d Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966d Ann. Cape Obs. London, 21, 1966
WFC1966d Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -76 to -80 deg
WFC1967 Pa - Hoffleit, D. 1967TOYal..28....1H
WFC1967 Trans. Astron. Obs. Yale Univ., 28, 1, 1967 (-30 to -35 deg zones)
WFC1968a Pa - Stoy R.H. 1968AnCap..22..125S
WFC1968a Ann. Cape Obs., London, 22, 125, 1968
WFC1968a Cape Photographic Catalogue for 1950.0. Vol. 22: Zones -80 to -89 deg
WFC1968b Pa - Hoffleit, D. 1968TOYal..29....1H
WFC1968b Trans. Astron. Obs. Yale Univ., 29, 1, 1968 (-35 to -40 deg zones)
WFC1970 Pa - Hoffleit, D., Eckert, D., Lu, P., & Paranya, K. 1970TOYal..30....1H
WFC1970 Trans. Astron. Obs. Yale Univ., 30, 1, 1970 (-40 to -50 deg zones)
WFC1971 Pa - Lu, P.K. 1971TOYal..31....1L
WFC1971 Trans. Astron. Obs. Yale Univ., 31, 1, 1971 (-70 to -90 deg zones)
WFC1975 Pa - Dieckvoss, W. .
WFC1975 AGK3 Cat. North of -2.5 deg dec, Vol. 1-8, 1975
WFC1983a Pa - Eichhorn, H., Googe, W.D., Lukac, C.F., & Murphy, J.K. 1983AJ.....88..546E
WFC1983a AJ 88, 546, 1983 (Sydney Obs. -48 to -54 deg zones)
WFC1983b Pa - King, D.S. & Lomb, N.R. 1983RSNSW.116...53K
WFC1983b Journal & Proc., Royal Soc. New South Wales 116, 53-70, 1983
WFC1983b (Sydney Obs. -51 to -63.5 deg zones)
WFC1983c Pa - Fallon, F.W. & Hoffleit, D. 1983TrAOY..32....1F
WFC1983c Trans. Astron. Obs. Yale Univ., 32, 1, 1983 (-60 to -70 deg zones)
WFC1992 Pa - Zacharias, N., de Vegt, C., Nicholson, W., & Penston, M.J. 1992A&A...254..397Z
WFC1992 A&A 254, 397, 1992 (CPC2)
WFC1994 Pa - Bystrov, N.F., Polojentsev, D.D, Potter, H.I., Yagudin, L.I., & Zallez, R.F. 1994BICDS..44....3B
WFC1994 Bull. Inf. CDS 44, 3, 1994 (FOKAT)
WFC1998 Pa j Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S., 1998AJ....115.1212U
WFC1998 Zacharias, M.I., & Hall, D.M.
WFC1998 AJ 115, 1212, 1998 (Astrographic Cat. 2000)
WFC1999 Pa - Zacharias, N. & Zacharias, M.I. 1999AJ....118.2503Z
WFC1999 AJ 118, 2503, 1999
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18280-2525 WFC 208 1998 4 186 86.6 2.92 9.87 D 182758.24-252518.1
18280-2525 WFC 208 1999 7 186 87.4 2.92 9.87 D 182758.24-252518.1
18280-2525 WFC 208 2010 8 186 84.2 2.92 9.87 K0IV 182758.24-252518.1
18280-2525 WFC 208 2019 9 184 82.5 2.92 9.87 K0IV N 182758.24-252518.1

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WDS 18280-2525 WFC 208 (Kaus Borealis) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18280-2525 WFC 208 (Kaus Borealis) : MEASURES
 
 
No records found.

 
 
WDS 18280-2525 (Kaus Borealis) : VIRTUAL EYEPIECE
 
 

18280-2525 WFC 208A mag 2.92 Sp K0IV 18280-2525 WFC 208B sep 82.5 P.A. 183.70 mag 9.87 virtual eyepiece
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Radius:
Components only
 
 
WDS 18280-2525 (Kaus Borealis) : ALADIN DSS IMAGE @ 18h 27m 58.24s -25° 25' 18.1"
 
 
 
 
WDS 18280-2525 WFC 208 (Kaus Borealis) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18280-2525  WFC 208 (Kaus Borealis) distance=0' 18273-2503  LDS 639 distance=23' 18289-2503  H N 125AB distance=27' 18264-2509  J  1742 distance=28' 18303-2533  B   394 distance=33' 18266-2600  J  2213 distance=39' 18265-2601  J  2212 distance=39' 18292-2436  B   392 distance=52' 18317-2541  OCC 264 distance=53' 18253-2434  RST4010 distance=63' 18289-2422  LEO  38 distance=65' 18274-2420  KPP 412 distance=66' 18229-2524  B   389 distance=69' 18290-2635  WNO   6 distance=71' 18277-2638  BU  133 distance=73' 18236-2610  HO  566 distance=75' 18292-2640  B   391 distance=77' 18281-2645  HDS2615AB distance=81' 18281-2645  ARY 126AC distance=81' 18337-2502  VVV  57 distance=81' 18280-2651  I  1366 distance=86' 18322-2630  SKF2066 distance=87' 18294-2353  B   393 distance=95' 18281-2349  ARA2231 distance=96' 18307-2700  RST2059 distance=102' 18213-2433  RST4008 distance=104' 18350-2441  J  1746 distance=105' 18354-2607  TDT 949 distance=110' 18289-2716  OCC 185 distance=112' 18259-2713  RST2050 distance=112' 18286-2717  J  2214 distance=113' 18225-2651  JKS  21AB distance=113' 18225-2651  JKS  21AC distance=113' 18352-2427  J  1654 distance=115' 18356-2617  OCC9050Ba,Bb distance=115' 18356-2617  B   396AB distance=115' 18229-2352  ARA2230 distance=117' 18280-2328  LEO  18 distance=118' 18275-2725  FIN 267 distance=120' 18306-2329  ARA2233 distance=122' 18216-2359  B   388 distance=123' 18210-2408  RST4007 distance=123' 18216-2358  ARA2318 distance=123' 18256-2724  COO 225AB distance=124' 18256-2724  SIN 109AC distance=124' 18257-2726  OCC 186 distance=125' 18185-2535  J  1738 distance=129' 18200-2417  RST3176 distance=129' 18220-2344  ARA2229 distance=130' 18368-2617  RST3187AB distance=131' 18368-2617  RST3187AC distance=131' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show Kaus Borealis 18280-2525 WFC 208 184 82.5
Show 18273-2503 LDS 639 353 21.1 23
Show 18289-2503 H N 125 AB 107 2.5 27
Show 18264-2509 J 1742 233 4.6 28
Show 18303-2533 B 394 197 0.2 33
Show 18266-2600 J 2213 90 6.5 39
Show 18265-2601 J 2212 302 5.3 39
Show 18292-2436 B 392 208 5.2 52
Show 18317-2541 OCC 264 -1 0.1 53
Show 18253-2434 RST4010 116 0.7 63
Show 18289-2422 LEO 38 217 3.0 65
Show 18274-2420 KPP 412 199 4.8 66
Show 18229-2524 B 389 223 0.3 69
Show 18290-2635 WNO 6 182 41.8 71
Show 18277-2638 BU 133 230 0.6 73
Show 18236-2610 HO 566 143 0.5 75
Show 18292-2640 B 391 65 0.2 77
Show 18281-2645 HDS2615 AB 186 0.3 81
Show 18281-2645 ARY 126 AC 135 54.1 81
Show 18337-2502 VVV 57 162 8.0 81
Show 18280-2651 I 1366 225 0.4 86
Show 18322-2630 SKF2066 282 17.5 87
Show 18294-2353 B 393 135 1.7 95
Show 18281-2349 ARA2231 250 12.0 96
Show 18307-2700 RST2059 5 1.9 102
Show 18213-2433 RST4008 194 0.5 104
Show 18350-2441 J 1746 165 3.9 105
Show 18354-2607 TDT 949 91 0.7 110
Show 18289-2716 OCC 185 -1 0.1 112
Show 18259-2713 RST2050 77 2.0 112
Show 18286-2717 J 2214 119 5.3 113
Show 18225-2651 JKS 21 AB 326 22.9 113
Show 18225-2651 JKS 21 AC 48 26.4 113
Show 18352-2427 J 1654 78 3.5 115
Show 18356-2617 OCC9050 Ba,Bb -1 0.0 115
Show 18356-2617 B 396 AB 218 1.7 115
Show 18229-2352 ARA2230 346 18.4 117
Show 18280-2328 LEO 18 295 2.8 118
Show 18275-2725 FIN 267 343 4.9 120
Show 18306-2329 ARA2233 262 7.5 122
Show 18216-2359 B 388 199 1.6 123
Show 18210-2408 RST4007 121 0.2 123
Show 18216-2358 ARA2318 122 8.5 123
Show 18256-2724 COO 225 AB 359 5.9 124
Show 18256-2724 SIN 109 AC 89 69.0 124
Show 18257-2726 OCC 186 -1 0.1 125
Show 18185-2535 J 1738 208 7.6 129
Show 18200-2417 RST3176 73 0.6 129
Show 18220-2344 ARA2229 246 13.5 130
Show 18368-2617 RST3187 AB 201 0.1 131
Show 18368-2617 RST3187 AC 41 12.7 131

 
 
WDS 18280-2525 : COMPONENTS
 
 
  A
B pa=183.7°
sep=82.47"
 
 
18280-2525 A
 
 
Componente originario normalizzato AB Common name Kaus Borealis Coord arcsec 2000 182758.24-252518.1 Mag 2.92
Spectral class K0IV (yellow-orange) PmRA -45.00 PmDE -186.0 SAO 186841
HIP 90496 Tycho2 6861-03180-1 HD 169916 HR 6913
GC 25180 CD CD-2513149 CP CP-25 6523 Bayer Lambda Sagittarii
Bayer name Lam Sgr Flamsteed 22 Sagittarii Flamsteed name 22 Sgr FK5 692
Tycho2
Tycho2 6861-03180-1 Pflag RAmdeg 276.99266925 DEmdeg -25.42170006
PmRA -45.4 PmDE -186.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.3 E pmDE 0.3 EpRAm 1990.21 EpDEm 1990.59
Num 31 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.0 BTmag 4.153 E BTmag 0.014 VTmag 2.924
E VTmag 0.009 Prox 877 TYC T HIP 90496
CCDM RAdeg 276.99278306 DEdeg -25.42127611 EpRA 1990 1.86
EpDE 1990 1.83 E RAdeg 3.1 E DEdeg 3.4 Posflg
Corr -0.2
SAO
SAO 186841 DelFlag RA1950 PmRA1950 -0.0032
DE1950 PmDE1950 -0.185 Vmag 2.9 SpType K0
Double code Source 74 CatNum 692 DM CD-2513149
DMcomp BDsup HD 169916 M HD 0
GC 25180 RA1950rad 4.82096727 DE1950rad -0.44420658 PmRA2000 -0.0032
PmDE2000 -0.185
Hipparcos
Catalog H HIP 90496 Proxy RAhms 18 27 58.27
DEdms -25 25 16.5 Vmag 2.82 VarFlag R Vmag G
RAdeg 276.993 DEdeg -25.4212 AstroRef Plx 42.2
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 169916 BD
CD CD-2513149 CP CP-25 6523 Dm number -2513149 VIred 1.04
SpType K1IIIb R SpType Coord arcsec 2000 182758.27-252516.5
Hipparcos 2
HIP 90496 Sn 5 So 0 Nc 1
RArad 4.8344361918 DErad -0.4436844643 Plx 41.72 PmRA -44.76
PmDE -185.66 E RArad 0.14 E DErad 0.09 E Plx 0.16
E pmRA 0.17 E pmDE 0.11 Hpmag 2.9838 E Hpmag 0.0005
SHp 0.005 VA 0 BV 1.025 E BV 0.038
VI 1.04
 
 
18280-2525 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182757.85-252640.4 Mag 9.87 PmRA 0.00
PmDE -17.0 Tycho2 6861-02017-1 Calc delta mag 6.95 Calc coord yes
Tycho2
Tycho2 6861-02017-1 Pflag RAmdeg 276.99001277 DEmdeg -25.44552283
PmRA 0.5 PmDE -15.2 E RAmdeg 23 E DEmdeg 33
E pmRA 2.6 E pmDE 2.3 EpRAm 1990.86 EpDEm 1988.99
Num 3 Q RAmdeg 1.9 Q DEmdeg 1.6 Q pmRA 1.8
Q pmDE 1.6 BTmag 10.456 E BTmag 0.040 VTmag 9.873
E VTmag 0.037 Prox 877 TYC T HIP
CCDM RAdeg 276.99001139 DEdeg -25.44548806 EpRA 1990 1.87
EpDE 1990 1.77 E RAdeg 22.8 E DEdeg 34.2 Posflg
Corr -0.2