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Current system
18204+2048
WFC 206
HD 348310


Nearby doubles
8' : 18205+2055
COU 202

17' : 18203+2104
HDS2592

25' : 18218+3038
L 21

26' : 18216+2030
HO 430

31' : 18223+2036
L 20

31' : 18225+2056
AZC 104

32' : 18218+2023
DAM 281

33' : 18200+2120
AG 221AB

33' : 18227+2053
DAM 283

34' : 18218+2115
FUR 4

35' : 18225+2030
DAM 282

35' : 18208+2114
FUR 3

38' : 18206+2126
UC 3554

40' : 18183+2114
LDS4784

47' : 18218+2130
BU 641

49' : 18173+2025
J 759

57' : 18241+2027
HO 652

57' : 18240+2023
CLZ 74

60' : 18166+2022
KPP3329

62' : 18245+2028
BU 1325

65' : 18163+2016
HO 269

70' : 18172+1955
TDT 775

71' : 18155+2030
RAO 385

75' : 18237+2146
STT 587AB

75' : 18253+2116
TDT 850AB

80' : 18153+2012
J 2124



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.

18204+2048 WFC 206 (HD 348310)

 
 
18h 20m 23.00s +20° 48' 11.3" P.A. 45.00 sep 9.4 mag 10.97,11.42
 
 
Coord 2000 18204+2048 Discov num WFC 206 Comp Coord arcsec 2000 18 20 23.00 +20 48 11.3
Date first 1894 Date last 2018 Obs 14
Pa first 46 Pa last 44.6 P.A. Now (θ) 44.6°
Sep first 8.9 Sep last 9.422 Sep. Now (ρ) 9.422"
Mag pri 10.97 Mag sec 11.42 delta mag (ΔM) 0.45 Spectral class
Pri motion ra +016 Sec motion ra +016
Pri motion dec -020 Sec motion dec -022
Notes V (Proper motion indicates physical)
rPM=0.074 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 348310 Constellation Hercules Tycho2 1580-02124-1 Gaia DR2 4528710759267376128
HD 348310
 
 
WDS 18204+2048 WFC 206 (HD 348310) : 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
18204+2048 WFC 206 2000 5 44 9.1 10.97 11.42 D 182023.00+204811.3
18204+2048 WFC 206 2011 6 44 9.2 10.97 11.42 D 182023.00+204811.3
18204+2048 WFC 206 2015 9 44 9.2 10.97 11.42 182023.00+204811.3
18204+2048 WFC 206 2018 14 45 9.4 10.97 11.42 182023.00+204811.3

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

 
 
WDS 18204+2048 WFC 206 (HD 348310) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18204+2048 WFC 206 (HD 348310) : MEASURES
 
 
No records found.

 
 
WDS 18204+2048 (HD 348310) : VIRTUAL EYEPIECE
 
 

18204+2048 WFC 206A mag 10.97 18204+2048 WFC 206B sep 9.1 P.A. 42.70 mag 11.42 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18204+2048 (HD 348310) : ALADIN DSS IMAGE @ 18h 20m 23.00s +20° 48' 11.3"
 
 
 
 
WDS 18204+2048 WFC 206 (HD 348310) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18204+2048 WFC 206 distance=1' 18205+2055 COU 202 distance=8' 18203+2104 HDS2592 distance=17' 18218+3038 L 21 distance=25' 18216+2030 HO 430 distance=26' 18223+2036 L 20 distance=31' 18225+2056 AZC 104 distance=31' 18218+2023 DAM 281 distance=32' 18200+2120 AG 221AB distance=33' 18200+2120 AG 221AC distance=33' 18227+2053 DAM 283 distance=33' 18218+2115 FUR 4 distance=34' 18225+2030 DAM 282 distance=35' 18208+2114 FUR 3 distance=35' 18206+2126 UC 3554 distance=38' 18183+2114 LDS4784 distance=40' 18218+2130 BU 641 distance=47' 18173+2025 J 759 distance=49' 18241+2027 HO 652 distance=57' 18240+2023 CLZ 74 distance=57' 18166+2022 KPP3329 distance=60' 18245+2028 BU 1325 distance=62' 18163+2016 HO 269 distance=65' 18172+1955 TDT 775 distance=70' 18155+2030 RAO 385 distance=71' 18237+2146 STT 587AB distance=75' 18237+2146 STG 7AC distance=75' 18237+2146 TOK 60Aa,Ab distance=75' 18253+2116 TDT 850AB distance=75' 18153+2012 J 2124 distance=80' 18151+2136 LDS4780 distance=88' 18248+2156 BRT2445 distance=92' 18144+2127 HJ 2828 distance=93' 18154+1946 STT 346 distance=94' 18142+2127 BIG 2 distance=95' 18258+1952 BRT2446AB distance=95' 18258+1952 BRT2446AC distance=95' 18140+2017 HO 268 distance=96' 18210+1913 TDT 812 distance=96' 18249+1932 TDT 845 distance=100' 18144+1953 HDS2576 distance=101' 18162+2211 TDT 766 distance=102' 18250+1928 VAT 3 distance=104' 18273+2012 TDS 922 distance=104' 18133+2118 TDT 743 distance=105' 18254+1932 TDT 851 distance=105' 18135+2142 TDS 909 distance=110' 18274+2152 CBL 170 distance=118' 18225+1854 GWP2773 distance=119' 18134+1941 GWP2769 distance=119' 18206+2248 STF2310 distance=120' 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 18204+2048 WFC 206 45 9.4 1
Show 18205+2055 COU 202 294 0.2 8
Show 18203+2104 HDS2592 184 0.2 17
Show 18218+3038 L 21 91 7.1 25
Show 18216+2030 HO 430 194 2.5 26
Show 18223+2036 L 20 337 2.2 31
Show 18225+2056 AZC 104 274 33.6 31
Show 18218+2023 DAM 281 75 10.5 32
Show 18200+2120 AG 221 AB 12 1.8 33
Show 18200+2120 AG 221 AC 9 9.7 33
Show 18227+2053 DAM 283 253 7.8 33
Show 18218+2115 FUR 4 32 3.1 34
Show 18225+2030 DAM 282 245 8.0 35
Show 18208+2114 FUR 3 324 2.4 35
Show 18206+2126 UC 3554 172 16.8 38
Show 18183+2114 LDS4784 61 121.3 40
Show 18218+2130 BU 641 341 0.8 47
Show 18173+2025 J 759 82 2.5 49
Show 18241+2027 HO 652 352 33.2 57
Show 18240+2023 CLZ 74 51 87.8 57
Show 18166+2022 KPP3329 203 1.5 60
Show 18245+2028 BU 1325 353 5.6 62
Show 18163+2016 HO 269 152 8.9 65
Show 18172+1955 TDT 775 156 0.9 70
Show 18155+2030 RAO 385 87 0.8 71
Show 18237+2146 STT 587 AB 323 238.0 75
Show 18237+2146 STG 7 AC 84 129.1 75
Show 18237+2146 TOK 60 Aa,Ab 280 0.0 75
Show 18253+2116 TDT 850 AB 199 0.5 75
Show 18153+2012 J 2124 348 3.9 80
Show 18151+2136 LDS4780 206 124.5 88
Show 18248+2156 BRT2445 21 2.4 92
Show 18144+2127 HJ 2828 109 16.4 93
Show 18154+1946 STT 346 329 5.3 94
Show 18142+2127 BIG 2 140 34.5 95
Show 18258+1952 BRT2446 AB 323 3.4 95
Show 18258+1952 BRT2446 AC 256 8.0 95
Show 18140+2017 HO 268 180 1.0 96
Show 18210+1913 TDT 812 71 0.6 96
Show 18249+1932 TDT 845 118 0.4 100
Show 18144+1953 HDS2576 68 1.0 101
Show 18162+2211 TDT 766 213 2.4 102
Show 18250+1928 VAT 3 177 8.6 104
Show 18273+2012 TDS 922 206 2.4 104
Show 18133+2118 TDT 743 68 1.0 105
Show 18254+1932 TDT 851 4 0.6 105
Show 18135+2142 TDS 909 21 1.6 110
Show 18274+2152 CBL 170 160 26.6 118
Show 18225+1854 GWP2773 285 13.8 119
Show 18134+1941 GWP2769 117 92.1 119
Show 18206+2248 STF2310 235 5.1 120

 
 
WDS 18204+2048 : COMPONENTS
 
 
  A
B pa=42.7°
sep=9.12"
 
 
18204+2048 A
 
 
Componente originario normalizzato AB Name HD 348310 Coord arcsec 2000 182023.00+204811.3 Mag 10.97
PmRA 16.00 PmDE -20.0 Tycho2 1580-02124-1 HD 348310
Tycho2
Tycho2 1580-02124-1 Pflag RAmdeg 275.09583405 DEmdeg 20.80313042
PmRA 14.3 PmDE -20.1 E RAmdeg 36 E DEmdeg 31
E pmRA 1.3 E pmDE 1.2 EpRAm 1982.18 EpDEm 1984.79
Num 4 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 11.756 E BTmag 0.059 VTmag 10.967
E VTmag 0.050 Prox 92 TYC T HIP
CCDM RAdeg 275.09579722 DEdeg 20.80317722 EpRA 1990 1.33
EpDE 1990 1.60 E RAdeg 37.5 E DEdeg 31.5 Posflg
Corr -0.1
 
 
18204+2048 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182023.44+204818.0 Mag 11.42 PmRA 16.00
PmDE -22.0 Tycho2 1580-02124-2 Calc delta mag 0.45 Calc coord yes
Tycho2
Tycho2 1580-02124-2 Pflag RAmdeg 275.09774324 DEmdeg 20.80496388
PmRA 15.7 PmDE -18.9 E RAmdeg 44 E DEmdeg 38
E pmRA 1.3 E pmDE 1.3 EpRAm 1977.52 EpDEm 1981.36
Num 4 Q RAmdeg 0.9 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.4 BTmag 11.873 E BTmag 0.069 VTmag 11.416
E VTmag 0.073 Prox 92 TYC T HIP
CCDM RAdeg 275.09770278 DEdeg 20.80500806 EpRA 1990 1.33
EpDE 1990 1.60 E RAdeg 48.0 E DEdeg 39.8 Posflg
Corr -0.1