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Current system
08454-0013
A 2548


Nearby doubles
6' : 08453-0018
HEI 147

9' : 08458+0019
CVR 504

16' : 08463-0005
SHN 121

21' : 08459-0032
GWP1078

23' : 08468-0004
BAL1142

29' : 08466+0035
A 2549

30' : 08463+0039
HJ 3313

32' : 08437-0031
GWP1070

33' : 08447+0044
KPP3761

36' : 08476+0001
STF1281AB

37' : 08478-0009
BAL1143

39' : 08450-0051
BAL 855

46' : 08479-0040
BAL 857

48' : 08483+0033
STT 194

50' : 08448+0101
GWP1073

52' : 08488+0020
TDS6112

52' : 08445+0103
J 1067

60' : 08492+0030
KPP3764

66' : 08487+0057
A 2552

77' : 08504-0002
HJ 3314

80' : 08406+0047
A 2750

82' : 08453-0109
BAL 856

83' : 08435-0104
HDS1254

84' : 08414+0110
LDS3807

84' : 08448-0110
GWP1075

90' : 08446-0116
HDS1258



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

08454-0013 A 2548

 
 
08h 45m 24.62s -00° 13' 03.6" P.A. 246.00 sep 0.1 mag 9.10,9.30 Sp F
 
 
Coord 2000 08454-0013 Discov num A  2548 Comp Coord arcsec 2000 08 45 24.62 -00 13 03.6
Date first 1913 Date last 2019 Obs 9
Pa first 8 Pa last 246 P.A. Now (θ) 246°
Sep first 0.3 Sep last 0.11 Sep. Now (ρ) 0.11"
Mag pri 9.10 Mag sec 9.30 delta mag (ΔM) 0.2 Spectral class F (yellow-white)
Pri motion ra -006 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra ADS 6976
 
 
ORBITAL ELEMENTS
 
 
Period (P)1100y Periastron (T)1982.7y Semi-major axis (a)0.4974a
Eccentricity (e)0.575 Inclination (i)114.9° Longitude of periastron (ω)230.1°
Node (Ω)179.2° Notes ReferenceTok2019c
Equinox Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 301.4 0.105
2001 298.8 0.104
2002 296.2 0.102
2003 293.5 0.101
2004 290.7 0.099
2005 287.8 0.098
2006 284.9 0.098
2007 282.0 0.097
2008 279.0 0.097
2009 276.0 0.097
2010 273.0 0.097
2011 270.1 0.097
2012 267.1 0.098
2013 264.2 0.099
2014 261.4 0.100
2015 258.6 0.101
2016 255.9 0.102
2017 253.3 0.104
2018 250.7 0.106
2019 248.3 0.108
2020 245.9 0.110
2021 243.6 0.112
2022 241.5 0.114
2023 239.4 0.117
2024 237.4 0.120
2025 235.5 0.122
2026 233.7 0.125
2027 231.9 0.128
2028 230.3 0.131
2029 228.7 0.134
2030 227.2 0.138


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds08454-0013a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08454-0013 A 2548 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb AJ 158, 48, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08454-0013 A 2548 1996 7 130 0.1 9.10 9.30 F 084524.62-001303.6
08454-0013 A 2548 2018 8 251 0.1 9.10 9.30 F 084524.62-001303.6
08454-0013 A 2548 2019 9 246 0.1 9.10 9.30 F O 084524.62-001303.6

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

 
 
WDS 08454-0013 A 2548 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08454-0013 A 2548 : MEASURES
 
 
No records found.

 
 
WDS 08454-0013 : VIRTUAL EYEPIECE
 
 

08454-0013 A 2548A mag 9.1 Sp F 08454-0013 A 2548B sep 0.1 P.A. 246.00 mag 9.3 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 08454-0013 : ALADIN DSS IMAGE @ 08h 45m 24.62s -00° 13' 03.6"
 
 
 
 
WDS 08454-0013 A 2548 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08454-0013 A 2548 distance=0' 08453-0018 HEI 147 distance=6' 08458+0019 CVR 504 distance=9' 08463-0005 SHN 121 distance=16' 08459-0032 GWP1078 distance=21' 08468-0004 BAL1142 distance=23' 08466+0035 A 2549 distance=29' 08463+0039 HJ 3313 distance=30' 08437-0031 GWP1070 distance=32' 08447+0044 KPP3761 distance=33' 08476+0001 RST5306Ca,Cb distance=34' 08476+0001 STF1281AB distance=36' 08476+0001 STU 23AC distance=36' 08476+0001 TOK 521AD distance=36' 08478-0009 BAL1143 distance=37' 08450-0051 BAL 855 distance=39' 08479-0040 BAL 857 distance=46' 08483+0033 STT 194 distance=48' 08448+0101 GWP1073 distance=50' 08488+0020 TDS6112 distance=52' 08445+0103 J 1067 distance=52' 08492+0030 KPP3764 distance=60' 08487+0057 A 2552 distance=66' 08504-0002 HJ 3314 distance=77' 08406+0047 A 2750 distance=80' 08453-0109 BAL 856 distance=82' 08435-0104 HDS1254 distance=83' 08414+0110 LDS3807 distance=84' 08448-0110 GWP1075 distance=84' 08446-0116 HDS1258 distance=90' 08394-0017 J 1008 distance=91' 08392+0030 BAL1140 distance=95' 08511-0056 GWP1093 distance=95' 08420-0109 A 1751CD distance=96' 08420-0109 A 1750Ba,Bb distance=97' 08420-0109 A 1750AB distance=97' 08420-0109 ARY 82AC distance=97' 08503+0125 J 74 distance=104' 08415-0114 UC 1700 distance=106' 08449-0138 BAL 511 distance=112' 08401-0115 J 423 distance=118' 08395-0109 CVR1157 distance=121' 08518-0102 RST4899 distance=122' 08409+0156 DAM1430 distance=123' 08473+0216 CVR1164 distance=126' 08538-0035 STF1292AB distance=128' 08538-0035 UC 1728AC distance=128' 08369+0022 UC 1694 distance=128' 08540-0015 BAL1147 distance=129' 08426+0215 BAL1852 distance=129' 08406+0155 BAL1851 distance=129' 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 08454-0013 A 2548 246 0.1
Show 08453-0018 HEI 147 10 0.1 6
Show 08458+0019 CVR 504 17 14.8 9
Show 08463-0005 SHN 121 -1 0.0 16
Show 08459-0032 GWP1078 141 15.4 21
Show 08468-0004 BAL1142 105 12.7 23
Show 08466+0035 A 2549 43 4.3 29
Show 08463+0039 HJ 3313 64 34.9 30
Show 08437-0031 GWP1070 251 8.4 32
Show 08447+0044 KPP3761 118 3.2 33
Show 08476+0001 RST5306 Ca,Cb 194 0.1 34
Show 08476+0001 STF1281 AB 310 53.1 36
Show 08476+0001 STU 23 AC 351 219.8 36
Show 08476+0001 TOK 521 AD 157 119.6 36
Show 08478-0009 BAL1143 141 13.6 37
Show 08450-0051 BAL 855 150 8.8 39
Show 08479-0040 BAL 857 68 10.0 46
Show 08483+0033 STT 194 57 12.6 48
Show 08448+0101 GWP1073 315 11.2 50
Show 08488+0020 TDS6112 288 0.5 52
Show 08445+0103 J 1067 190 2.8 52
Show 08492+0030 KPP3764 19 2.4 60
Show 08487+0057 A 2552 208 0.3 66
Show 08504-0002 HJ 3314 134 16.1 77
Show 08406+0047 A 2750 336 0.5 80
Show 08453-0109 BAL 856 22 18.5 82
Show 08435-0104 HDS1254 28 0.7 83
Show 08414+0110 LDS3807 343 22.7 84
Show 08448-0110 GWP1075 344 36.8 84
Show 08446-0116 HDS1258 198 0.5 90
Show 08394-0017 J 1008 20 3.1 91
Show 08392+0030 BAL1140 130 17.2 95
Show 08511-0056 GWP1093 142 15.0 95
Show 08420-0109 A 1751 CD 141 0.5 96
Show 08420-0109 A 1750 Ba,Bb 68 0.1 97
Show 08420-0109 A 1750 AB 41 0.2 97
Show 08420-0109 ARY 82 AC 80 137.3 97
Show 08503+0125 J 74 126 9.3 104
Show 08415-0114 UC 1700 183 20.3 106
Show 08449-0138 BAL 511 346 5.0 112
Show 08401-0115 J 423 283 6.9 118
Show 08395-0109 CVR1157 251 3.6 121
Show 08518-0102 RST4899 309 0.3 122
Show 08409+0156 DAM1430 18 2.5 123
Show 08473+0216 CVR1164 319 3.7 126
Show 08538-0035 STF1292 AB 188 6.1 128
Show 08538-0035 UC 1728 AC 330 27.8 128
Show 08369+0022 UC 1694 252 23.9 128
Show 08540-0015 BAL1147 44 15.4 129
Show 08426+0215 BAL1852 6 14.3 129
Show 08406+0155 BAL1851 148 0.1 129

 
 
WDS 08454-0013 : COMPONENTS
 
 
  A
B pa=246.0°
sep=0.11"
 
 
08454-0013 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 084524.62-001303.6 Mag 9.1 Spectral class F (yellow-white)
PmRA -6.00 PmDE 8.0
CCDM
Ccdm 08454-0013 RComp Comp A Note1
Note2 Discov num DRAs 0.52 DDEs -4.6
R dRAs 65 Year Theta Rho
Obs 2 Vmag 9.1 Sp F PmNote
PmRA -26 PmDE -19 Dm number +00 2380 Cat1 BD
Name2 -00 1280 Cat2 AGK2/3 HD 74687 M HD
ADS BDS A 6976 M ADS BDS N IDS IDS 08403N0009A
HIC
 
 
08454-0013 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084524.61+001303.6 Mag 9.3 Calc delta mag 0.2
Calc coord yes
CCDM
Ccdm 08454-0013 RComp Comp B Note1
Note2 Discov num A 2548 DRAs DDEs
R dRAs Year 1913 Theta 6 Rho 0.3
Obs 4 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6976 M ADS BDS N IDS IDS 08403N0009B
HIC