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Doubles in session


Current system
12283-1548
MEL 7


Nearby doubles
9' : 12277-1546
TOK 558AB

10' : 12280-1539
TDS 664

16' : 12272-1551
KPP1558

36' : 12284-1512
TDS8399

50' : 12299-1631
SHJ 145AB
Algorab

56' : 12260-1632
UC 2335

61' : 12321-1612
LAF 47

61' : 12260-1457
BU 606

74' : 12332-1605
UC 2357

79' : 12334-1520
GWP1826

80' : 12248-1650
GWP1803

89' : 12254-1705
LDS5751

93' : 12346-1550
LDS4229

97' : 12226-1639
UC 2326

107' : 12327-1713
GWP1825

109' : 12339-1659
GWP1827

125' : 12357-1650
HJ 1218AB

125' : 12366-1623
RST3800

129' : 12314-1748
HU 467

132' : 12345-1413
UC 2361

135' : 12266-1336
HJ 2611

136' : 12230-1739
LDS4204

140' : 12303-1331
RST3795

147' : 12301-1324
BU 28AB

151' : 12373-1703
LDS 414AB

153' : 12254-1320
RST3788AB



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12283-1548 MEL 7

 
 
12h 28m 15.23s -15° 47' 34.2" P.A. 279.00 sep 0.3 mag 20.52,21.05
 
 
Coord 2000 12283-1548 Discov num MEL   7 Comp Coord arcsec 2000 12 28 15.23 -15 47 34.2
Date first 1998 Date last 2013 Obs 20
Pa first 45 Pa last 279.4 P.A. Now (θ) 279.4°
Sep first 0.3 Sep last 0.274 Sep. Now (ρ) 0.274"
Mag pri 20.52 Mag sec 21.05 delta mag (ΔM) 0.53 Spectral class
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corvus
 
 
ORBITAL ELEMENTS
 
 
Period (P)47y± 7 Periastron (T)83000d (2086.122y)± 8000 Semi-major axis (a)297m± 11
Eccentricity (e)0.075± 0.035 Inclination (i)140°± 4 Longitude of periastron (ω)-30°± 50
Node (Ω)60.4°± 2.5 Notes ReferenceDup2017
Equinox Last observation2013 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 29.4 0.264
2001 21.8 0.257
2002 13.7 0.250
2003 5.3 0.244
2004 356.4 0.239
2005 347.2 0.235
2006 337.8 0.234
2007 328.4 0.236
2008 319.3 0.239
2009 310.4 0.245
2010 302.1 0.253
2011 294.3 0.261
2012 287.0 0.271
2013 280.2 0.280
2014 273.8 0.289
2015 267.8 0.298
2016 262.1 0.305
2017 256.7 0.310
2018 251.4 0.314
2019 246.2 0.316
2020 241.1 0.316
2021 235.9 0.314
2022 230.6 0.309
2023 225.1 0.303
2024 219.3 0.295
2025 213.1 0.285
2026 206.5 0.274
2027 199.4 0.263
2028 191.5 0.251
2029 183.0 0.240
2030 173.6 0.230


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


 
  


wds12283-1548b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12283-1548 MEL 7 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Dup2017 A j Dupuy, T.J. & Liu, M.C. 2017ApJS..231...15D
Dup2017 +orb ApJS 231, 15, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 MEL Martin, E.L., Basri, G., Brandner, W., Bouvier, J., Zapatero Osorio, M.R.,
1 MEL Rebolo, R., Stauffer, J., Allard, F., et al.
6 MEL Martin, E.L., Brandner, W., Bouvier, J., Luhman, K.L., Stauffer, J., Basri, G.,
6 MEL Zapatero Osorio, M.R., & Barrado y Navascues, D.
11 MEL Martin, E.L., Brandner, W., Bouy, H., Basri, G., Davis, J., Deshpande, R., &
11 MEL Montgomery, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12283-1548 MEL 7 2003 16 357 0.2 20.52 21.05 D 122815.23-154734.2
12283-1548 MEL 7 2013 20 279 0.3 20.52 21.05 O 122815.23-154734.2

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

 
 
WDS 12283-1548 MEL 7 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12283-1548 MEL 7 : MEASURES
 
 
No records found.

 
 
WDS 12283-1548 : VIRTUAL EYEPIECE
 
 

12283-1548 MEL 7A mag 20.52 12283-1548 MEL 7B sep 0.3 P.A. 279.80 mag 21.05 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 12283-1548 : ALADIN DSS IMAGE @ 12h 28m 15.23s -15° 47' 34.2"
 
 
 
 
WDS 12283-1548 MEL 7 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12283-1548 MEL 7 distance=0' 12277-1546 TOK 558AB distance=9' 12280-1539 TDS 664 distance=10' 12272-1551 KPP1558 distance=16' 12284-1512 TDS8399 distance=36' 12299-1631 SHJ 145AB (Algorab) distance=50' 12299-1631 LAF 46BC distance=50' 12299-1631 LAF 46BD distance=50' 12299-1631 LAF 46BE distance=50' 12260-1632 UC 2335 distance=56' 12321-1612 LAF 47 distance=61' 12260-1457 BU 606 distance=61' 12332-1605 UC 2357 distance=74' 12334-1520 GWP1826 distance=79' 12248-1650 GWP1803 distance=80' 12254-1705 LDS5751 distance=89' 12346-1550 LDS4229 distance=93' 12226-1639 UC 2326 distance=97' 12327-1713 GWP1825 distance=107' 12339-1659 GWP1827 distance=109' 12357-1650 FIN 368Aa,Ab distance=125' 12357-1650 HJ 1218AB distance=125' 12366-1623 RST3800 distance=125' 12314-1748 HU 467 distance=129' 12345-1413 UC 2361 distance=132' 12266-1336 HJ 2611 distance=135' 12230-1739 LDS4204 distance=136' 12303-1331 RST3795 distance=140' 12301-1324 BU 28AB distance=147' 12301-1324 LV 19AC distance=147' 12301-1324 LV 19AD distance=147' 12373-1703 LDS 414Ba,Bb distance=151' 12373-1703 LDS 414AB distance=151' 12254-1320 RST3788AB distance=153' 12254-1320 TOK 557AC distance=153' 12202-1408 STF1631AB distance=155' 12180-1456 RST3783 distance=157' 12392-1541 UC 2378 distance=159' 12216-1341 GWP1795 distance=160' 12194-1727 GWP1788 distance=162' 12170-1549 RST3782 distance=163' 12186-1424 YSC 44 distance=163' 12335-1814 RST2804 distance=166' 12342-1812 LV 5 distance=168' 12276-1836 HU 466 distance=170' 12251-1304 UC 2333 distance=171' 12209-1334 BUP 142 distance=171' 12222-1815 UC 2325 distance=172' 12376-1353 HJ 2615 distance=179' 12385-1742 TDS8467 distance=187' 12201-1813 TSN 158 distance=187' 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 12283-1548 MEL 7 279 0.3
Show 12277-1546 TOK 558 AB 200 999.9 9
Show 12280-1539 TDS 664 118 2.0 10
Show 12272-1551 KPP1558 338 11.8 16
Show 12284-1512 TDS8399 113 0.5 36
Show Algorab 12299-1631 SHJ 145 AB 216 24.2 50
Show 12299-1631 LAF 46 BC 88 6.7 50
Show 12299-1631 LAF 46 BD 100 8.3 50
Show 12299-1631 LAF 46 BE 124 10.2 50
Show 12260-1632 UC 2335 190 32.0 56
Show 12321-1612 LAF 47 256 12.9 61
Show 12260-1457 BU 606 289 0.6 61
Show 12332-1605 UC 2357 303 62.1 74
Show 12334-1520 GWP1826 82 31.9 79
Show 12248-1650 GWP1803 325 22.9 80
Show 12254-1705 LDS5751 318 28.5 89
Show 12346-1550 LDS4229 340 15.3 93
Show 12226-1639 UC 2326 158 10.0 97
Show 12327-1713 GWP1825 108 210.1 107
Show 12339-1659 GWP1827 354 69.2 109
Show 12357-1650 FIN 368 Aa,Ab 111 0.1 125
Show 12357-1650 HJ 1218 AB 260 11.5 125
Show 12366-1623 RST3800 215 5.1 125
Show 12314-1748 HU 467 127 1.0 129
Show 12345-1413 UC 2361 115 20.7 132
Show 12266-1336 HJ 2611 221 13.5 135
Show 12230-1739 LDS4204 15 175.2 136
Show 12303-1331 RST3795 201 1.7 140
Show 12301-1324 BU 28 AB 349 2.1 147
Show 12301-1324 LV 19 AC 303 71.3 147
Show 12301-1324 LV 19 AD 166 71.2 147
Show 12373-1703 LDS 414 Ba,Bb 36 0.9 151
Show 12373-1703 LDS 414 AB 212 78.8 151
Show 12254-1320 RST3788 AB 310 2.7 153
Show 12254-1320 TOK 557 AC 33 403.8 153
Show 12202-1408 STF1631 AB 305 14.8 155
Show 12180-1456 RST3783 141 15.4 157
Show 12392-1541 UC 2378 40 37.7 159
Show 12216-1341 GWP1795 22 219.3 160
Show 12194-1727 GWP1788 193 12.4 162
Show 12170-1549 RST3782 290 0.8 163
Show 12186-1424 YSC 44 72 0.1 163
Show 12335-1814 RST2804 309 0.5 166
Show 12342-1812 LV 5 303 0.9 168
Show 12276-1836 HU 466 212 2.8 170
Show 12251-1304 UC 2333 248 26.3 171
Show 12209-1334 BUP 142 310 46.0 171
Show 12222-1815 UC 2325 272 42.9 172
Show 12376-1353 HJ 2615 293 10.8 179
Show 12385-1742 TDS8467 75 0.6 187
Show 12201-1813 TSN 158 311 0.1 187

 
 
WDS 12283-1548 : COMPONENTS
 
 
  A
B pa=279.8°
sep=0.26"
 
 
12283-1548 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 122815.23-154734.2 Mag 20.52
 
 
12283-1548 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 122815.21-154734.2 Mag 21.05 Calc delta mag 0.53
Calc coord yes