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Current system
17538-3447
WFC 201 AB
HD 162678


Nearby doubles
3' : 17539-3445
B 1871

4' : 17536-3445
B 362

7' : 17533-3444
BU 1123

8' : 17535-3454
RST3986

8' : 17534-3454
SEE 342

9' : 17532-3444
B 361

14' : 17530-3458
B 1345

21' : 17522-3454
TDT 548

29' : 17519-3505
B 1343

35' : 17514-3506
VVV 2

39' : 17507-3444
BRT1741

40' : 17569-3445
JSP 935

46' : 17575-3448
JSP 755

48' : 17569-3514
BRT1744

48' : 17513-3411
OL 46

49' : 17574-3508
JSP 753

50' : 17504-3419
B 2419AB

50' : 17501-3509
B 2418

53' : 17565-3408
JSP 934

54' : 17535-3540
JSP 742

55' : 17510-3405
KPP1254

59' : 17565-3536
JSP 749

61' : 17533-3547
BRT3324AB

63' : 17487-3457
B 1340

65' : 17513-3350
B 1342

66' : 17485-3458
BRT3321



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.

17538-3447 WFC 201 AB (HD 162678)

 
 
17h 53m 45.50s -34° 47' 09.7" P.A. 209.00 sep 34.7 mag 6.27,6.98 Sp B9V
 
 
Coord 2000 17538-3447 Discov num WFC 201 Comp AB Coord arcsec 2000 17 53 45.50 -34 47 09.7
Date first 1911 Date last 2000 Obs 9
Pa first 209 Pa last 209 P.A. Now (θ) 209°
Sep first 34.5 Sep last 34.73 Sep. Now (ρ) 34.73"
Mag pri 6.27 Mag sec 6.98 delta mag (ΔM) 0.71 Spectral class B9V (blue-white)
Pri motion ra +002 Sec motion ra +004
Pri motion dec -005 Sec motion dec -005
Notes
rPM=0.312
Nature of this double is uncertain.
 
 
17538-3447 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 162678 209425 17 53 46 -34 47 10 WFC 201 AB 2000 9 209 34.7 6.27 6.98 0.71 <===
Show 17 53 44 -34 47 40 TDT 562 Ba,Bb 1991 1 157 0.5 7.49 7.81 0.32
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 162678 Constellation Scorpius SAO 209425 Tycho2 7386-00092-1
Gaia DR2 4040825358109531520 HD 162678 HR 6660 GC 24307
DM CD-3412219
 
 
WDS 17538-3447 WFC 201 AB (HD 162678) : NOTES
 
 
No records found.

 
 
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
17538-3447 WFC 201 AB 1998 5 209 34.3 6.27 6.98 D 175345.50-344709.7
17538-3447 WFC 201 AB 2000 9 209 34.9 6.27 6.98 D 175345.50-344709.7

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

 
 
WDS 17538-3447 WFC 201 AB (HD 162678) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17538-3447 WFC 201 AB (HD 162678) : MEASURES
 
 
No records found.

 
 
WDS 17538-3447 (HD 162678) : VIRTUAL EYEPIECE
 
 

17538-3447 WFC 201A mag 6.27 Sp B9V 17538-3447 TDT 562B sep 34.4 P.A. 209.40 mag 7.49 Sp B9V 17538-3447 TDT 562Bb sep 34.7 P.A. 208.80 mag 7.81 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 17538-3447 (HD 162678) : ALADIN DSS IMAGE @ 17h 53m 45.50s -34° 47' 09.7"
 
 
 
 
WDS 17538-3447 WFC 201 AB (HD 162678) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17538-3447 WFC 201AB distance=1' 17538-3447 TDT 562Ba,Bb distance=1' 17539-3445 B 1871 distance=3' 17536-3445 B 362 distance=4' 17533-3444 BU 1123 distance=7' 17535-3454 RST3986 distance=8' 17534-3454 SEE 342 distance=8' 17532-3444 B 361 distance=9' 17530-3458 B 1345 distance=14' 17522-3454 TDT 548 distance=21' 17519-3505 B 1343 distance=29' 17514-3506 VVV 2 distance=35' 17507-3444 BRT1741 distance=39' 17569-3445 JSP 935 distance=40' 17575-3448 JSP 755 distance=46' 17569-3514 BRT1744 distance=48' 17513-3411 OL 46 distance=48' 17574-3508 JSP 753 distance=49' 17504-3419 B 2419AB distance=50' 17504-3419 SIN 103AC distance=50' 17504-3419 SIN 103AD distance=50' 17501-3509 B 2418 distance=50' 17565-3408 JSP 934 distance=53' 17535-3540 JSP 742 distance=54' 17510-3405 KPP1254 distance=55' 17565-3536 JSP 749 distance=59' 17533-3547 BRT3325CD distance=61' 17533-3547 BRT3324AB distance=61' 17487-3457 B 1340 distance=63' 17513-3350 B 1342 distance=65' 17485-3458 BRT3321 distance=66' 17542-3553 B 1346 distance=67' 17485-3428 OL 45 distance=67' 17489-3418 B 1341AB distance=67' 17489-3418 B 1341BC distance=67' 17590-3514 BRT1746 distance=70' 17576-3352 B 1348 distance=73' 17482-3515 B 2415 distance=74' 17509-3342 HDO 280AB distance=75' 17509-3342 HDO 280AC distance=75' 17509-3342 I 9019AD distance=75' 17482-3413 TDT 512 distance=77' 17498-3347 RST3128 distance=77' 17483-3525 JSP 732 distance=78' 17480-3401 TDS 883 distance=86' 17585-3549 BRT1745 distance=86' 17590-3353 BRT1747 distance=86' 17577-3558 HDS2531 distance=86' 17472-3518 TDS 882 distance=86' 17535-3321 BRT1742 distance=87' 17587-3549 JSP 757 distance=87' 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 17538-3447 WFC 201 AB 209 34.7 1
Show 17538-3447 TDT 562 Ba,Bb 157 0.5 1
Show 17539-3445 B 1871 95 0.3 3
Show 17536-3445 B 362 227 5.2 4
Show 17533-3444 BU 1123 264 0.3 7
Show 17535-3454 RST3986 75 0.9 8
Show 17534-3454 SEE 342 202 0.4 8
Show 17532-3444 B 361 301 3.9 9
Show 17530-3458 B 1345 43 0.2 14
Show 17522-3454 TDT 548 140 2.5 21
Show 17519-3505 B 1343 167 3.4 29
Show 17514-3506 VVV 2 22 35.1 35
Show 17507-3444 BRT1741 308 3.6 39
Show 17569-3445 JSP 935 288 9.2 40
Show 17575-3448 JSP 755 157 3.4 46
Show 17569-3514 BRT1744 171 4.8 48
Show 17513-3411 OL 46 105 2.3 48
Show 17574-3508 JSP 753 147 2.1 49
Show 17504-3419 B 2419 AB 227 6.2 50
Show 17504-3419 SIN 103 AC 265 77.9 50
Show 17504-3419 SIN 103 AD 99 93.4 50
Show 17501-3509 B 2418 31 7.0 50
Show 17565-3408 JSP 934 334 2.8 53
Show 17535-3540 JSP 742 359 0.3 54
Show 17510-3405 KPP1254 191 9.6 55
Show 17565-3536 JSP 749 246 3.8 59
Show 17533-3547 BRT3325 CD 248 1.6 61
Show 17533-3547 BRT3324 AB 260 1.8 61
Show 17487-3457 B 1340 214 0.8 63
Show 17513-3350 B 1342 111 0.5 65
Show 17485-3458 BRT3321 270 1.4 66
Show 17542-3553 B 1346 158 0.6 67
Show 17485-3428 OL 45 39 2.2 67
Show 17489-3418 B 1341 AB 286 6.2 67
Show 17489-3418 B 1341 BC 358 5.4 67
Show 17590-3514 BRT1746 197 4.4 70
Show 17576-3352 B 1348 5 0.9 73
Show 17482-3515 B 2415 173 8.3 74
Show 17509-3342 HDO 280 AB 102 2.0 75
Show 17509-3342 HDO 280 AC 219 15.0 75
Show 17509-3342 I 9019 AD 198 33.7 75
Show 17482-3413 TDT 512 243 0.4 77
Show 17498-3347 RST3128 27 1.0 77
Show 17483-3525 JSP 732 230 3.8 78
Show 17480-3401 TDS 883 239 2.0 86
Show 17585-3549 BRT1745 295 5.3 86
Show 17590-3353 BRT1747 44 3.3 86
Show 17577-3558 HDS2531 211 0.6 86
Show 17472-3518 TDS 882 181 1.9 86
Show 17535-3321 BRT1742 206 3.5 87
Show 17587-3549 JSP 757 353 2.9 87

 
 
WDS 17538-3447 : COMPONENTS
 
 
  A B
B pa=209.4°
sep=34.42"
 
Bb pa=208.8°
sep=34.73"
pa=161.0°
sep=0.47"
 
 
17538-3447 A
 
 
Name HD 162678 Coord arcsec 2000 175345.50-344709.7 Mag 6.27 Spectral class B9V (blue-white)
PmRA 2.00 PmDE -5.0 SAO 209425 Tycho2 7386-00092-1
HD 162678 HR 6660 GC 24307 DM CD-3412219
Tycho2
Tycho2 7386-00092-1 Pflag RAmdeg 268.43958193 DEmdeg -34.78603235
PmRA 2.1 PmDE -4.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.39 EpDEm 1991.21
Num 14 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 6.291 E BTmag 0.015 VTmag 6.273
E VTmag 0.011 Prox 345 TYC HIP
CCDM RAdeg 268.43957639 DEdeg -34.78602194 EpRA 1990 1.69
EpDE 1990 1.65 E RAdeg 4.4 E DEdeg 5.0 Posflg
Corr 0.1
SAO
SAO 209425 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.003 Vmag 6.4 SpType A0
Double code Source 70 CatNum 24307 DM CD-3412219
DMcomp BDsup HD 162678 M HD 0
GC 24307 RA1950rad 4.6705987 DE1950rad -0.60696092 PmRA2000 0.0007
PmDE2000 -0.003
 
 
17538-3447 B
 
 
Coord arcsec 2000 175344.13-344739.7 Coord calc 175344.38-344740.1 Mag 7.49 Mag composta 6.98
Spectral class B9V (blue-white) PmRA 4.00 PmDE -5.0 Tycho2 7386-00463-1
HD 162679 Calc delta mag 1.22
Tycho2
Tycho2 7386-00463-1 Pflag RAmdeg 268.43391949 DEmdeg -34.79440452
PmRA 3.8 PmDE -5.3 E RAmdeg 5 E DEmdeg 6
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.36 EpDEm 1991.08
Num 6 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 6.987 E BTmag 0.016 VTmag 6.980
E VTmag 0.012 Prox 345 TYC HIP
CCDM RAdeg 268.43390861 DEdeg -34.79439222 EpRA 1990 1.72
EpDE 1990 1.58 E RAdeg 4.9 E DEdeg 6.0 Posflg
Corr 0.1
 
 
17538-3447 Bb
 
 
Coord arcsec 2000 175344.14-344740.1 Mag 7.81 PmRA 4.00 PmDE -5.0
Calc delta mag 1.54 Calc coord yes