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Current system
20478+0007
SKF 2612


Nearby doubles
8' : 20472-0006
BAL 924

12' : 20485+0012
UC 4295

17' : 20472+0021
CBL 529

28' : 20495-0006
BAL 925

39' : 20454+0023
A 876

44' : 20506+0001
TDT2572

47' : 20481+0053
CVR 873

48' : 20508-0020
BAL 926

50' : 20486-0055
BAL 616

54' : 20445+0029
BAL1219

58' : 20475+0105
BAL1220

59' : 20510-0038
J 1711

65' : 20435+0011
GRV1233

65' : 20514-0041
SKF1771

66' : 20434-0012
J 3346

66' : 20441+0044
BAL1218

72' : 20509+0101
RST5472AB

73' : 20523-0030
BAL 927

80' : 20440+0049
HJ 923

80' : 20452-0103
LEO 56

85' : 20433+0059
SLN 39

88' : 20420+0021
UC 4262

94' : 20416+0017
UC 4258AB

95' : 20425+0100
TDT2487

97' : 20485+0143
RST5471

99' : 20531+0104
TDT2604



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20478+0007 SKF 2612

 
 
20h 47m 46.17s +00° 06' 59.3" P.A. 63.00 sep 1.0 mag 20.00,20.00 Sp DA+M
 
 
Coord 2000 20478+0007 Discov num SKF2612 Comp Coord arcsec 2000 20 47 46.17 +00 06 59.3
Date first 2001 Date last 2015 Obs 3
Pa first 62 Pa last 63 P.A. Now (θ) 63°
Sep first 0.9 Sep last 0.953 Sep. Now (ρ) 0.953"
Mag pri 20.00 Mag sec 20.00 delta mag (ΔM) 0 Spectral class DA+M (white dwarf/red)
Pri motion ra -008 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Gaia DR2 4227958899876464384
 
 
WDS 20478+0007 SKF 2612 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
SKF Skiff, B.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20478+0007 SKF2612 2005 2 60 0.9 20.00 20.00 DA+M 204746.17+000659.3
20478+0007 SKF2612 2015 3 63 1.0 20.00 20.00 DA+M 204746.17+000659.3

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

 
 
WDS 20478+0007 SKF 2612 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20478+0007 SKF 2612 : MEASURES
 
 
No records found.

 
 
WDS 20478+0007 : VIRTUAL EYEPIECE
 
 

20478+0007 SKF2612A mag 20 Sp DA 20478+0007 SKF2612B sep 0.9 P.A. 63.00 mag 20 Sp M virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20478+0007 : ALADIN DSS IMAGE @ 20h 47m 46.17s +00° 06' 59.3"
 
 
 
 
WDS 20478+0007 SKF 2612 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20478+0007 SKF2612 distance=0' 20472-0006 BAL 924 distance=8' 20485+0012 UC 4295 distance=12' 20472+0021 CBL 529 distance=17' 20495-0006 BAL 925 distance=28' 20454+0023 A 876 distance=39' 20506+0001 TDT2572 distance=44' 20481+0053 CVR 873 distance=47' 20508-0020 BAL 926 distance=48' 20486-0055 BAL 616 distance=50' 20445+0029 BAL1219 distance=54' 20475+0105 BAL1220 distance=58' 20510-0038 J 1711 distance=59' 20435+0011 GRV1233 distance=65' 20514-0041 SKF1771 distance=65' 20434-0012 J 3346 distance=66' 20441+0044 BAL1218 distance=66' 20509+0101 TDT2577Aa,Ab distance=72' 20509+0101 RST5472AB distance=72' 20523-0030 BAL 927 distance=73' 20440+0049 HJ 923 distance=80' 20452-0103 LEO 56 distance=80' 20433+0059 SLN 39 distance=85' 20420+0021 UC 4262 distance=88' 20416+0017 UC 4258AB distance=94' 20425+0100 TDT2487 distance=95' 20485+0143 RST5471 distance=97' 20531+0104 TDT2604 distance=99' 20539-0035 J 2328 distance=99' 20441-0116 GWP2991 distance=100' 20499-0131 RST4684 distance=103' 20409-0036 A 874 distance=108' 20406-0002 SLW1226 distance=108' 20525+0130 BAL1575 distance=109' 20546-0042 A 877 distance=109' 20405-0023 SKF1768 distance=110' 20551-0018 UC 4325 distance=111' 20493+0156 OSO 136 distance=112' 20414+0105 GWP2985 distance=112' 20511-0135 LDS 727 distance=113' 20401-0009 GRV1232 distance=116' 20450-0140 LDS 722 distance=116' 20549+0051 SKF1772 distance=117' 20498-0146 TDT2566 distance=118' 20403+0041 A 2284 distance=118' 20544+0112 LDS4860 distance=118' 20455+0201 BAL1571 distance=119' 20412-0105 STF2706AB distance=123' 20412-0105 STF2706AC distance=123' 20396+0025 UC 4246 distance=125' 20562-0014 TDT2643 distance=127' 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 20478+0007 SKF2612 63 1.0 0
Show 20472-0006 BAL 924 128 15.4 8
Show 20485+0012 UC 4295 196 69.5 12
Show 20472+0021 CBL 529 43 49.8 17
Show 20495-0006 BAL 925 175 19.7 28
Show 20454+0023 A 876 68 0.6 39
Show 20506+0001 TDT2572 89 0.5 44
Show 20481+0053 CVR 873 324 12.3 47
Show 20508-0020 BAL 926 239 2.4 48
Show 20486-0055 BAL 616 206 2.4 50
Show 20445+0029 BAL1219 214 17.3 54
Show 20475+0105 BAL1220 193 21.1 58
Show 20510-0038 J 1711 222 8.4 59
Show 20435+0011 GRV1233 104 10.5 65
Show 20514-0041 SKF1771 13 1.2 65
Show 20434-0012 J 3346 106 1.8 66
Show 20441+0044 BAL1218 229 3.4 66
Show 20509+0101 TDT2577 Aa,Ab 104 0.5 72
Show 20509+0101 RST5472 AB 77 3.7 72
Show 20523-0030 BAL 927 285 4.5 73
Show 20440+0049 HJ 923 62 7.0 80
Show 20452-0103 LEO 56 278 0.5 80
Show 20433+0059 SLN 39 233 19.0 85
Show 20420+0021 UC 4262 221 44.1 88
Show 20416+0017 UC 4258 AB 3 46.5 94
Show 20425+0100 TDT2487 302 1.1 95
Show 20485+0143 RST5471 14 0.6 97
Show 20531+0104 TDT2604 87 0.7 99
Show 20539-0035 J 2328 351 3.2 99
Show 20441-0116 GWP2991 16 13.8 100
Show 20499-0131 RST4684 3 0.3 103
Show 20409-0036 A 874 345 1.9 108
Show 20406-0002 SLW1226 226 166.7 108
Show 20525+0130 BAL1575 175 16.6 109
Show 20546-0042 A 877 9 0.6 109
Show 20405-0023 SKF1768 18 1.5 110
Show 20551-0018 UC 4325 271 61.6 111
Show 20493+0156 OSO 136 109 12.8 112
Show 20414+0105 GWP2985 352 30.4 112
Show 20511-0135 LDS 727 348 15.7 113
Show 20401-0009 GRV1232 144 24.2 116
Show 20450-0140 LDS 722 266 25.1 116
Show 20549+0051 SKF1772 334 2.5 117
Show 20498-0146 TDT2566 247 0.8 118
Show 20403+0041 A 2284 287 4.8 118
Show 20544+0112 LDS4860 138 3.4 118
Show 20455+0201 BAL1571 307 6.8 119
Show 20412-0105 STF2706 AB 37 11.1 123
Show 20412-0105 STF2706 AC 318 189.6 123
Show 20396+0025 UC 4246 52 20.8 125
Show 20562-0014 TDT2643 250 0.5 127

 
 
WDS 20478+0007 : COMPONENTS
 
 
  A
B pa=63.0°
sep=0.95"
 
 
20478+0007 A
 
 
Coord arcsec 2000 204746.17+000659.3 Mag 20 Spectral class DA (white dwarf) PmRA -8.00
PmDE -8.0
 
 
20478+0007 B
 
 
Coord arcsec 2000 204746.23+000659.7 Mag 20 Spectral class M (red) Coordinate calculated yes