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Current system
02278-4847
WFC 9


Nearby doubles
35' : 02246-4901
RST5563AB

37' : 02251-4822
SPM 7

38' : 02240-4850
BRT 648

46' : 02317-4821
HU 1349

48' : 02326-4844
UC 756

53' : 02316-4924
KPP1751

59' : 02317-4931
UC 750

63' : 02279-4949
RST5496

63' : 02337-4823
RST 53

69' : 02216-4819
I 147

70' : 02293-4954
NSN 184

84' : 02360-4825
HJ 3516

85' : 02230-4957
UC 729

92' : 02306-5013
BRT 649

95' : 02297-4714
RST2281AB

96' : 02183-4902
UC 714

100' : 02347-5000
SKF 948

101' : 02223-5011
HDS 309

106' : 02225-4715
TDS2232

108' : 02366-4744
KPP1377

114' : 02221-4709
HDS 308

119' : 02397-4900
HJ 3521

120' : 02299-5044
HDS 324

120' : 02166-4934
HJ 3493

122' : 02170-4752
UC 709

123' : 02399-4821
UC 769



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.

02278-4847 WFC 9

 
 
02h 27m 48.81s -48° 46' 37.7" P.A. 230.00 sep 7.3 mag 11.33,11.46 Sp F7+F7
 
 
Coord 2000 02278-4847 Discov num WFC   9 Comp Coord arcsec 2000 02 27 48.81 -48 46 37.7
Date first 1903 Date last 2016 Obs 11
Pa first 231 Pa last 230 P.A. Now (θ) 230°
Sep first 7.6 Sep last 7.323 Sep. Now (ρ) 7.323"
Mag pri 11.33 Mag sec 11.46 delta mag (ΔM) 0.13 Spectral class F7+F7 (yellow-white/yellow-white)
Pri motion ra +015 Sec motion ra +016
Pri motion dec -004 Sec motion dec -003
Notes V (Proper motion indicates physical)
rPM=0.087 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus Tycho2 8052-01276-1 Gaia DR2 4938867903959720448
 
 
WDS 02278-4847 WFC 9 : 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
02278-4847 WFC 9 1999 4 230 7.4 11.33 11.46 D 022748.81-484637.7
02278-4847 WFC 9 2015 8 230 7.3 11.33 11.46 V 022748.81-484637.7
02278-4847 WFC 9 2016 11 230 7.3 11.33 11.46 F7+F7 V 022748.81-484637.7

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

 
 
WDS 02278-4847 WFC 9 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02278-4847 WFC 9 : MEASURES
 
 
No records found.

 
 
WDS 02278-4847 : VIRTUAL EYEPIECE
 
 

02278-4847 WFC 9A mag 11.33 Sp F7 02278-4847 WFC 9B sep 6.0 P.A. 218.10 mag 11.46 Sp F7 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 02278-4847 : ALADIN DSS IMAGE @ 02h 27m 48.81s -48° 46' 37.7"
 
 
 
 
WDS 02278-4847 WFC 9 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02278-4847 WFC 9 distance=0' 02246-4901 RST5563AB distance=35' 02251-4822 SPM 7 distance=37' 02240-4850 BRT 648 distance=38' 02317-4821 HU 1349 distance=46' 02326-4844 UC 756 distance=48' 02316-4924 KPP1751 distance=53' 02317-4931 UC 750 distance=59' 02279-4949 RST5496 distance=63' 02337-4823 RST 53 distance=63' 02216-4819 I 147 distance=69' 02293-4954 NSN 184 distance=70' 02360-4825 HJ 3516 distance=84' 02230-4957 UC 729 distance=85' 02306-5013 BRT 649 distance=92' 02297-4714 RST2281AB distance=95' 02183-4902 UC 714 distance=96' 02347-5000 SKF 948 distance=100' 02223-5011 HDS 309 distance=101' 02225-4715 TDS2232 distance=106' 02366-4744 KPP1377 distance=108' 02221-4709 HDS 308 distance=114' 02397-4900 HJ 3521 distance=119' 02299-5044 HDS 324 distance=120' 02166-4934 HJ 3493 distance=120' 02170-4752 UC 709 distance=122' 02399-4821 UC 769 distance=123' 02192-5026 KPP2843 distance=131' 02361-4705 TDS 88BC distance=131' 02361-4705 DAM1291A,BC distance=132' 02329-4633 UC 757 distance=143' 02417-4939 RST5497 distance=146' 02229-5106 EHR 1 distance=147' 02143-4952 TOK 815 distance=148' 02166-5026 TOK 185 distance=148' 02288-4613 LDS 76 distance=154' 02261-5124 SKF 947 distance=159' 02115-4920 HJ 3485 distance=164' 02401-5040 UC 772 distance=165' 02129-5035 KPP3482 distance=181' 02135-4655 BRG 9 distance=183' 02122-5031 KPP1975 distance=184' 02464-4935 TSN 18 distance=189' 02267-5156 TDS2254 distance=190' 02277-5201 BRT2019 distance=195' 02462-5002 UC 803 distance=195' 02080-4907 I 1140 distance=197' 02332-5156 HDS 333 distance=197' 02165-5131 DUN 6AB distance=197' 02165-5131 SHY 137AC distance=197' 02165-5131 SHY 137AD distance=197' 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 02278-4847 WFC 9 230 7.3
Show 02246-4901 RST5563 AB 118 3.7 35
Show 02251-4822 SPM 7 351 8.6 37
Show 02240-4850 BRT 648 119 3.9 38
Show 02317-4821 HU 1349 331 8.5 46
Show 02326-4844 UC 756 348 26.2 48
Show 02316-4924 KPP1751 254 13.6 53
Show 02317-4931 UC 750 38 93.6 59
Show 02279-4949 RST5496 214 0.2 63
Show 02337-4823 RST 53 183 8.8 63
Show 02216-4819 I 147 335 1.5 69
Show 02293-4954 NSN 184 8 9.0 70
Show 02360-4825 HJ 3516 359 21.8 84
Show 02230-4957 UC 729 145 77.0 85
Show 02306-5013 BRT 649 330 3.4 92
Show 02297-4714 RST2281 AB 269 1.4 95
Show 02183-4902 UC 714 321 14.5 96
Show 02347-5000 SKF 948 325 27.1 100
Show 02223-5011 HDS 309 270 0.8 101
Show 02225-4715 TDS2232 174 0.8 106
Show 02366-4744 KPP1377 27 10.3 108
Show 02221-4709 HDS 308 106 0.3 114
Show 02397-4900 HJ 3521 262 15.1 119
Show 02299-5044 HDS 324 42 0.4 120
Show 02166-4934 HJ 3493 243 8.5 120
Show 02170-4752 UC 709 15 10.0 122
Show 02399-4821 UC 769 94 21.4 123
Show 02192-5026 KPP2843 35 1.6 131
Show 02361-4705 TDS 88 BC 338 1.8 131
Show 02361-4705 DAM1291 A,BC 176 31.1 132
Show 02329-4633 UC 757 205 45.4 143
Show 02417-4939 RST5497 180 2.1 146
Show 02229-5106 EHR 1 154 2.3 147
Show 02143-4952 TOK 815 238 0.1 148
Show 02166-5026 TOK 185 200 0.1 148
Show 02288-4613 LDS 76 21 5.7 154
Show 02261-5124 SKF 947 301 43.0 159
Show 02115-4920 HJ 3485 137 4.5 164
Show 02401-5040 UC 772 101 7.9 165
Show 02129-5035 KPP3482 90 20.6 181
Show 02135-4655 BRG 9 71 0.2 183
Show 02122-5031 KPP1975 354 15.6 184
Show 02464-4935 TSN 18 143 8.3 189
Show 02267-5156 TDS2254 330 0.5 190
Show 02277-5201 BRT2019 220 5.1 195
Show 02462-5002 UC 803 354 10.7 195
Show 02080-4907 I 1140 32 1.3 197
Show 02332-5156 HDS 333 262 0.5 197
Show 02165-5131 DUN 6 AB 224 89.1 197
Show 02165-5131 SHY 137 AC 208 999.9 197
Show 02165-5131 SHY 137 AD 228 999.9 197

 
 
WDS 02278-4847 : COMPONENTS
 
 
  A
B pa=218.1°
sep=5.99"
 
 
02278-4847 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 022748.81-484637.7 Mag 11.33 Spectral class F7 (yellow-white)
PmRA 15.00 PmDE -4.0 Tycho2 8052-01276-1
Tycho2
Tycho2 8052-01276-1 Pflag RAmdeg 36.95338565 DEmdeg -48.77714616
PmRA 16.6 PmDE -6.0 E RAmdeg 55 E DEmdeg 48
E pmRA 2.2 E pmDE 2.1 EpRAm 1984.25 EpDEm 1985.05
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.3 Q pmRA 0.2
Q pmDE 1.3 BTmag 11.822 E BTmag 0.082 VTmag 11.326
E VTmag 0.086 Prox 72 TYC T HIP
CCDM RAdeg 36.95332722 DEdeg -48.77713222 EpRA 1990 1.64
EpDE 1990 1.71 E RAdeg 56.6 E DEdeg 49.9 Posflg
Corr 0.1
 
 
02278-4847 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 022748.44-484642.4 Mag 11.46 Spectral class F7 (yellow-white)
PmRA 16.00 PmDE -3.0 Tycho2 8052-01276-2 Calc delta mag 0.13
Calc coord yes
Tycho2
Tycho2 8052-01276-2 Pflag RAmdeg 36.95108334 DEmdeg -48.77844385
PmRA 20.1 PmDE -7.5 E RAmdeg 53 E DEmdeg 48
E pmRA 2.2 E pmDE 2.0 EpRAm 1984.43 EpDEm 1984.75
Num 3 Q RAmdeg 0.6 Q DEmdeg 2.6 Q pmRA 0.6
Q pmDE 2.7 BTmag 11.740 E BTmag 0.074 VTmag 11.463
E VTmag 0.094 Prox 72 TYC T HIP
CCDM RAdeg 36.95101250 DEdeg -48.77842667 EpRA 1990 1.65
EpDE 1990 1.72 E RAdeg 54.5 E DEdeg 50.4 Posflg
Corr 0.1