13581+1928 BU 30 (HD 121906)

 
 
13h 58m 07.43s +19° 27' 29.8" P.A. 199.00 sep 8.1 mag 8.82,11.78 Sp F5 dist. 154.08 pc (502.61 l.y.)
 
 
Coord 2000 13581+1928 Discov num BU   30 Comp Coord arcsec 2000 13 58 07.43 +19 27 29.8
Date first 1872 Date last 2019 Obs 37
Pa first 220 Pa last 199.4 P.A. Now (θ) 199.4°
Sep first 5.0 Sep last 8.08 Sep. Now (ρ) 8.08"
Mag pri 8.82 Mag sec 11.78 delta mag (ΔM) 2.96 Spectral class F5 (yellow-white)
Pri motion ra -007 Sec motion ra -029
Pri motion dec -063 Sec motion dec -026
Notes
rPM=0.679
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 121906 Constellation Bootes SAO 100797 HIP 68237
Tycho2 1470-00737-1 Gaia DR2 1246511904299380992 HD 121906 BD BD+20 2904
Distance 154.08 Distance ly 502.61
 
 
WDS 13581+1928 BU 30 (HD 121906) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bu_1873a Ma - Burnham, S.W. (BU 1 - 81) 1873MNRAS..33..351B
Bu_1873a MNRAS 33, 351, 1873
Bu_1873b Ma - Burnham, S.W. (BU 82 - 106) 1873MNRAS..33..437B
Bu_1873b MNRAS 33, 437, 1873
Bu_1873c - Burnham, S.W. 1873MNRAS..33..567B
Bu_1873c MNRAS 33, 567, 1873
Bu_1873d Ma - Burnham, S.W. (BU 107 - 182) 1873MNRAS..34...59B
Bu_1873d MNRAS 34, 59, 1873
Bu_1874a Ma - Burnham, S.W. (BU 183 - 229) 1874MNRAS..34..382B
Bu_1874a MNRAS 34, 382, 1874
Bu_1874b Ma - Burnham, S.W. (BU 230 - 300) 1874MNRAS..35...31B
Bu_1874b MNRAS 35, 31, 1874
Bu_1874c - Burnham, S.W. 1874MNRAS..34..370B
Bu_1874c MNRAS 34, 370, 1874
Bu_1874d Ma - Burnham, S.W. 1874MNRAS..34..393B
Bu_1874d MNRAS 34, 393, 1874
Bu_1874e Ma - Burnham, S.W. 1874MNRAS..35...28B
Bu_1874e MNRAS 35, 28, 1874
Bu_1875 Ma - Burnham, S.W. (BU 301 - 390) 1875AN.....86..337B
Bu_1875 AN 86, 337, 1875
Bu_1876 Ma - Burnham, S.W. (BU 391 - 436) 1876AN.....88..225B
Bu_1876 AN 88, 225, 1876
Bu_1876b - Burnham, S.W. 1876MNRAS..36...99B
Bu_1876b MNRAS 36, 99, 1876
Bu_1876c - Burnham, S.W. 1876MNRAS..36..331B
Bu_1876c MNRAS 36, 331, 1876 (no new data)
Bu_1877 Ma - Burnham, S.W. (BU 453 - 482) 1877MNRAS..38...78B
Bu_1877 MNRAS 38, 78, 1877
Bu_1878a Ma - Burnham, S.W. 1878MNRAS..38..408B
Bu_1878a MNRAS 38, 408, 1878
Bu_1878b - Burnham, S.W. 1878MNRAS..38..476B
Bu_1878b MNRAS 38, 476, 1878
Bu_1878c - Burnham, S.W. 1878MNRAS..38..478B
Bu_1878c MNRAS 38, 478, 1878
Bu_1878d Ma j Burnham, S.W. 1878AN.....92..235B
Bu_1878d AN 92, 235, 1878
Bu_1879 Ma j Burnham, S.W. 1879MmRAS..44..141B
Bu_1879 MemRAS 44, 141, 1879
Bu_1879B Ma - Burnham, S.W. 1879Obs.....3...20G
Bu_1879B cited by Gledhill (Obs 3, 20, 1879)
Bu_1879C Ma - Burnham, S.W. 1879Obs.....3..142G
Bu_1879C cited by Gledhill (Obs 3, 142, 1879)
Bu_1879d Ma - Burnham, S.W. 1879Obs.....3...92B
Bu_1879d Obs 3, 92, 1879
Bu_1879e Ma - Burnham, S.W. 1879MNRAS..40...99B
Bu_1879e MNRAS 40, 99, 1879
Bu_1880A Ma - Burnham, S.W. 1880Obs.....3..508G
Bu_1880A cited by Gledhill (Obs 3, 508, 1880)
Bu_1880C Ma - Burnham, S.W. 1880Obs.....3..314G
Bu_1880C cited by Gledhill (Obs 3, 314, 1880)
Bu_1880D Ma - Burnham, S.W. 1880Obs.....3..352G
Bu_1880D cited by Gledhill (Obs 3, 352, 1880)
Bu_1880e Ma - Burnham, S.W. 1880Obs.....3..408B
Bu_1880e Obs 3, 408, 1880
Bu_1880f Ma - Burnham, S.W. 1880MNRAS..40..497B
Bu_1880f MNRAS 40, 497, 1880
Bu_1880g Ma - Burnham, S.W. 1880MNRAS..41...33B
Bu_1880g MNRAS 41, 33, 1880
Bu_1881 Ma j Burnham, S.W. 1881Obs.....4...19G
Bu_1881 cited by Gledhill (Obs 4, 19, 1881)
Bu_1882a Ma - Burnham, S.W. (BU 776 - 863) 1882PWasO...1...91B
Bu_1882a Pub. Washburn Obs. 1, 91, 1882
Bu_1882b Ma - Burnham, S.W. 1882PWasO...1..113B
Bu_1882b Pub. Washburn Obs. 1, 113, 1882
Bu_1883 Ma j Burnham, S.W. (BU 864 - 1025) 1883MmRAS..47..167B
Bu_1883 MemRAS 47, 167, 1883
Bu_1883b Ma - Burnham, S.W. 1883MNRAS..43..318B
Bu_1883b MNRAS 43, 318, 1883
Bu_1884 Ma j Burnham, S.W. 1884MNRAS..44..365H
Bu_1884 MNRAS 44, 365, 1884
Bu_1884b Ma - Burnham, S.W. 1884AN....110..133B
Bu_1884b AN 110, 133, 1884
Bu_1884C Ma - Burnham, S.W. 1884AReg...22..216S
Bu_1884C cited by Sadler (Astr. Register 22, 216, 1884)
Bu_1887 Ma - Burnham, S.W. (BU 734 - 775) 1887PLicO...1...24B
Bu_1887 Pub. Lick Obs. 1, 24,45, 1887
Bu_1889a Ma - Burnham, S.W. 1889AN....122..159B
Bu_1889a AN 122, 159, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889b Ma - Burnham, S.W. (BU 1026 - 1038) 1889AN....123....1B
Bu_1889b AN 123, 1, 1889 (measures also in Bu_1894a) 1894PLicO...2..185B
Bu_1889c Ma - Burnham, S.W. 1889AN....123...75B
Bu_1889c AN 123, 75, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889d Ma - Burnham, S.W. 1889PASP....1...36B
Bu_1889d PASP 1, 36, 1889 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1889e Ma j Burnham, S.W. 1889AN....121...63B
Bu_1889e AN 121, 63, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889f Ma j Bunham, S.W. 1889MNRAS..49..418B
Bu_1889f MNRAS 49, 418, 1889
Bu_1890a Ma - Burnham, S.W. (BU 1093 - 1154) 1889AN....124...49B
Bu_1890a AN 124, 49, 1890 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1890b Ma - Burnham, S.W. 1890AN....125...41B
Bu_1890b AN 125, 41, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1890c Ma - Burnham, S.W. 1890PASP....2..138B
Bu_1890c PASP 2, 138, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1891a orb - Burnham, S.W. 1891SidM...10..273B
Bu_1891a Sidereal Messenger 10, 273, 1891
Bu_1891b orb - Burnham, S.W. 1891Obs....14..263B
Bu_1891b Observatory 14, 263, 1891
Bu_1891c Ma j Burnham, S.W. 1891AN....127..289B
Bu_1891c AN 127, 289, 1891
Bu_1892 Ma - Burnham, S.W. (BU 1225 - 1266) 1892AN....130..257B
Bu_1892 AN 130, 257, 1892 (measures also in Bu_1894e) 1894PLicO...2..221B
Bu_1892b Ma - Burnham, S.W. 1892AN....130...77B
Bu_1892b AN 130, 77, 1892
Bu_1893a Ma - Burnham, S.W. 1893AN....131..329B
Bu_1893a AN 131, 329, 1893 (most measures also in Bu_1894) 1894PLicO...2.....B
Bu_1893b orb - Burnham, S.W. 1893MNRAS..53..478B
Bu_1893b MNRAS 53, 478, 1893
Bu_1893c orb - Burnham, S.W. 1893MNRAS..54..119B
Bu_1893c MNRAS 54, 119, 1893
Bu_1893d orb - Burnham, S.W. 1893AstAp..12..494B
Bu_1893d AstAp 12, 494, 1893
Bu_1893e orb - Burnham, S.W. 1893AstAp..12..585B
Bu_1893e AstAp 12, 585, 1893
Bu_1893f Ma - Burnham, S.W. (BU 1267 - 1274) 1893MNRAS..53..273B
Bu_1893f MNRAS 53, 273, 1893 (most measures also in Bu_1893a) 1893AN....131..329B
Bu_1893g orb - Burnham, S.W. 1893MNRAS..53..482B
Bu_1893g MNRAS 53, 482, 1893
Bu_1894 Ma j Burnham, S.W. 1894PLicO...2....3B
Bu_1894 Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a) 1893AN....131..329B
Bu_1894a Ma j Burnham, S.W. (BU 1026 - 1038) 1894PLicO...2..185B
Bu_1894a Pub. Lick Obs. 2, 185, 1894
Bu_1894b Ma j Burnham, S.W. (BU 1039 - 1092) 1894PLicO...2..188B
Bu_1894b Pub. Lick Obs. 2, 188, 1894
Bu_1894c Ma - Burnham, S.W. (BU 1093 - 1154) 1894PLicO...2..197B
Bu_1894c Pub. Lick Obs. 2, 197, 1894
Bu_1894d Ma - Burnham, S.W. (BU 1155 - 1224) 1894PLicO...2..206B
Bu_1894d Pub. Lick Obs. 2, 206, 1894
Bu_1894e Ma - Burnham, S.W. (BU 1225 - 1266) 1894PLicO...2..221B
Bu_1894e Pub. Lick Obs. 2, 221, 1894
Bu_1894f Ma - Burnham, S.W. (BU 1267 - 1274) 1894PLicO...2..229B
Bu_1894f Pub. Lick Obs. 2, 229, 1894 (all measures also in Bu_1893f) 1893MNRAS..53..273B
Bu_1894g Ma - Burnham, S.W. 1894PLicO...2..159B
Bu_1894g Pub. Lick Obs. 2, 159, 1894
Bu_1898 orb - Burnham, S.W. 1898MNRAS..59...59B
Bu_1898 MNRAS 58, 59, 1898
Bu_1900 Ma - Burnham, S.W. 1900PYerO...1....1B
Bu_1900 Pub. Yerkes Obs. 1, 1, 1900
Bu_1902A Ma j Burnham, S.W. 1902AN....158..241E
Bu_1902A cited by Espin (AN 158, 241, 1902)
Bu_1903 Ma - Burnham, S.W. 1903PYerO...2....1B
Bu_1903 Pub. Yerkes Obs. 2, 1, 1903
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
Bu_1906B Ma - Burnham, S.W. 1906MmRAS..56....1L
Bu_1906B +orb cited by Lewis (MemRAS 56, 1, 1906)
Bu_1907 Ma - Burnham, S.W. 1907AN....176..129B
Bu_1907 AN 176, 129, 1907 (most data in Bu_1913) 1913QB811.B8.......
Bu_1908 Ma - Burnham, S.W. 1908MNRAS..68..517B
Bu_1908 MNRAS 68, 517, 1908
Bu_1908A Ma - Burnham, S.W. 1908MNRAS..68..465B
Bu_1908A cited by Barnard (MNRAS 68, 465, 1908)
Bu_1909 Ma - Burnham, S.W. 1909AN....180...65B
Bu_1909 AN 180, 65, 1909 (most data in Bu_1913) 1913QB811.B8.......
Bu_1909b Ma j Burnham, S.W. 1909AN....182..133B
Bu_1909b AN 182, 133, 1909
Bu_1910 Ma - Burnham, S.W. ...................
Bu_1910 Journal Astronomique 1, no. 11, 81, 1910
Bu_1910b Ma - Burnham, S.W. 1910AN....185..145B
Bu_1910b AN 185, 145, 1910 (most data in Bu_1913) 1913QB811.B8.......
Bu_1911 - Burnham, S.W. 1911MNRAS..72..156J
Bu_1911 MNRAS 72, 156, 1911
Bu_1911b Ma j Burnham, S.W. 1911AN....189..385B
Bu_1911b AN 189, 385, 1911
Bu_1913 Ma j Burnham, S.W. 1913QB811.B8.......
Bu_1913 +Pa Carnegie Inst. Wash. #168, 1913
Bu_1913 +T
Bu_1918 Ma j Burnham, S.W. 1918AJ.....31..141B
Bu_1918 AJ 31, 141, 1918
Bu_1923A Ma - Burnham, S.W. 1923MNRAS..83..154E
Bu_1923A cited by Espin (MNRAS 83, 154, 1923)
Bu_1927A Ma - Burnham, S.W. 1927sdsc.book......
Bu_1927A cited in SDS (Southern Double Star Cat.), 1927
Bu_1932A Ma - Burnham, S.W. 1932QB821.A43......
Bu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Bu_1963A Ma - Burnham, S.W. 1963icvd.book.....J
Bu_1963A cited in IDS (Lick Index Cat.), 1963
Bu_2002A Ma - Burnham, S.W. 2002yCat.1275....0D
Bu_2002A cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13581+1928 BU 30 1998 27 198 8.0 8.82 11.78 F5 D 135807.43+192729.8
13581+1928 BU 30 2009 28 198 7.7 8.82 11.78 F5 D 135807.43+192729.8
13581+1928 BU 30 2010 29 200 8.1 8.82 11.78 F5 D 135807.43+192729.8
13581+1928 BU 30 2015 32 199 8.0 8.82 11.78 F5 135807.43+192729.8
13581+1928 BU 30 2019 36 199 8.1 8.82 11.78 F5 135807.43+192729.8

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

 
 
WDS 13581+1928 BU 30 (HD 121906) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13581+1928 BU 30 (HD 121906) : MEASURES
 
 
No records found.

 
 
WDS 13581+1928 (HD 121906) : VIRTUAL EYEPIECE
 
 

13581+1928 BU   30A mag 8.82 Sp F5 13581+1928 BU   30B sep 8.0 P.A. 198.40 mag 11.78 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 13581+1928 (HD 121906) : ALADIN DSS IMAGE @ 13h 58m 07.43s +19° 27' 29.8"
 
 
 
 
WDS 13581+1928 BU 30 (HD 121906) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


13581+1928  BU   30 distance=0' 13572+1953  SLW 948AB distance=29' 13572+1953  SLW 948AC distance=29' 13598+1953  STF1794 distance=35' 14020+1926  STF1797 distance=55' 13543+1944  GWP2129 distance=57' 13566+1826  SHN 186 distance=65' 14021+1852  GWP2183 distance=67' 14015+2031  LDS4426 distance=81' 13547+1824  SHJ 169 (Muphrid) distance=81' 14037+1914  LDS5806 distance=82' 13564+1808  SHN 185 distance=83' 13555+1813  SHN 184 distance=83' 14008+1806  KPP3276 distance=90' 14051+1917  UC  190 distance=100' 14008+1754  COU  59AB distance=101' 14008+1754  GRV 877AC distance=101' 13529+1818  GWP2117AB distance=101' 13529+1818  GWP2118AC distance=101' 13523+1830  SLE 919 distance=102' 13582+1744  CVR1553 distance=104' 13587+1743  GWP2157 distance=105' 13507+1934  SKF1747 distance=105' 13577+1744  LDS 951AB distance=107' 14059+1930  CBL 439 distance=111' 14042+2046  J  1128BC distance=115' 14042+2046  J  1128A,BC distance=116' 14065+1919  UC 2679 distance=120' 13494+1924  LDS4413 distance=124' 13530+1745  SLE 920 distance=127' 14034+1740  A  2064 distance=132' 13575+1717  GWP2153 distance=132' 13527+2116  COU 183 distance=133' 13555+1720  GWP2141 distance=134' 13587+1711  COU  58 distance=137' 14035+1731  GRV 879 distance=141' 14079+1953  KPP3914 distance=141' 14074+1833  GWP2230 distance=143' 14014+1710  COU2193 distance=146' 13504+2117  S   656 distance=155' 13473+1915  LDS4407 distance=155' 14049+2129  WIS 246 distance=155' 13517+1722  CVR 711 distance=155' 13564+1654  BPM 608 distance=156' 14063+1740  GWP2219 distance=158' 13504+1734  SLW 939 distance=159' 13493+1742  S   655BC distance=164' 13493+1742  S   655AB distance=164' 13493+1742  S   655AC distance=164' 14032+1654  CVR 719 distance=170' 14095+2028  TOK 574 distance=172' 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 13581+1928 BU 30 199 8.1
Show 13572+1953 SLW 948 AB 212 13.9 29
Show 13572+1953 SLW 948 AC 220 35.9 29
Show 13598+1953 STF1794 125 1.8 35
Show 14020+1926 STF1797 158 20.8 55
Show 13543+1944 GWP2129 229 508.7 57
Show 13566+1826 SHN 186 -1 0.3 65
Show 14021+1852 GWP2183 197 481.2 67
Show 14015+2031 LDS4426 271 45.0 81
Show Muphrid 13547+1824 SHJ 169 85 114.9 81
Show 14037+1914 LDS5806 297 2.1 82
Show 13564+1808 SHN 185 223 0.4 83
Show 13555+1813 SHN 184 -1 0.3 83
Show 14008+1806 KPP3276 149 1.6 90
Show 14051+1917 UC 190 47 21.0 100
Show 14008+1754 COU 59 AB 169 8.2 101
Show 14008+1754 GRV 877 AC 230 35.3 101
Show 13529+1818 GWP2117 AB 115 394.9 101
Show 13529+1818 GWP2118 AC 351 253.6 101
Show 13523+1830 SLE 919 147 6.7 102
Show 13582+1744 CVR1553 311 3.3 104
Show 13587+1743 GWP2157 150 174.2 105
Show 13507+1934 SKF1747 70 1.7 105
Show 13577+1744 LDS 951 AB 266 20.5 107
Show 14059+1930 CBL 439 17 7.5 111
Show 14042+2046 J 1128 BC 354 0.4 115
Show 14042+2046 J 1128 A,BC 190 62.6 116
Show 14065+1919 UC 2679 76 11.4 120
Show 13494+1924 LDS4413 239 130.9 124
Show 13530+1745 SLE 920 111 7.7 127
Show 14034+1740 A 2064 177 1.1 132
Show 13575+1717 GWP2153 312 249.6 132
Show 13527+2116 COU 183 130 1.3 133
Show 13555+1720 GWP2141 288 332.2 134
Show 13587+1711 COU 58 2 1.4 137
Show 14035+1731 GRV 879 87 8.9 141
Show 14079+1953 KPP3914 93 2.0 141
Show 14074+1833 GWP2230 145 6.3 143
Show 14014+1710 COU2193 316 2.2 146
Show 13504+2117 S 656 209 86.2 155
Show 13473+1915 LDS4407 313 16.5 155
Show 14049+2129 WIS 246 239 735.0 155
Show 13517+1722 CVR 711 212 24.7 155
Show 13564+1654 BPM 608 162 79.0 156
Show 14063+1740 GWP2219 330 767.6 158
Show 13504+1734 SLW 939 266 159.1 159
Show 13493+1742 S 655 BC 326 63.6 164
Show 13493+1742 S 655 AB 86 46.3 164
Show 13493+1742 S 655 AC 11 57.4 164
Show 14032+1654 CVR 719 21 24.7 170
Show 14095+2028 TOK 574 223 999.9 172

 
 
WDS 13581+1928 : COMPONENTS
 
 
  A
B pa=198.4°
sep=8.03"
 
 
13581+1928 A
 
 
Componente originario normalizzato AB Name HD 121906 Coord arcsec 2000 135807.43+192729.8 Mag 8.82
Spectral class F5 (yellow-white) PmRA -7.00 PmDE -63.0 SAO 100797
HIP 68237 Tycho2 1470-00737-1 HD 121906 BD BD+20 2904
Tycho2
Tycho2 1470-00737-1 Pflag RAmdeg 209.53094433 DEmdeg 19.45828305
PmRA -6.4 PmDE -65.6 E RAmdeg 8 E DEmdeg 10
E pmRA 1.0 E pmDE 0.9 EpRAm 1990.76 EpDEm 1990.10
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.3 Q pmRA 1.1
Q pmDE 1.3 BTmag 9.263 E BTmag 0.020 VTmag 8.816
E VTmag 0.016 Prox 80 TYC T HIP 68237
CCDM A RAdeg 209.53095944 DEdeg 19.45843583 EpRA 1990 1.64
EpDE 1990 1.63 E RAdeg 8.3 E DEdeg 9.5 Posflg
Corr -0.1
SAO
SAO 100797 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.058 Vmag 8.7 SpType F5
Double code Source 35 CatNum 4939 DM BD+20 2904
DMcomp BDsup HD 121906 M HD 0
GC RA1950rad 3.64666733 DE1950rad 0.34386842 PmRA2000 -0.0008
PmDE2000 -0.053
Hipparcos
Catalog H HIP 68237 Proxy H RAhms 13 58 07.43
DEdms +19 27 30.4 Vmag 8.72 VarFlag R Vmag H
RAdeg 209.531 DEdeg 19.4584 AstroRef A Plx 5.7
CCDM 13581+1927 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 199 Rho 7.982 HD 121906 BD BD+20 2904
CD CP Dm number +20 2904 VIred 0.5
SpType F5 R SpType Coord arcsec 2000 135807.43+192730.4
Hipparcos 2
HIP 68237 Sn 15 So 3 Nc 2
RArad 3.657005189 DErad 0.3396139573 Plx 6.49 PmRA -9.29
PmDE -62.27 E RArad 0.85 E DErad 0.57 E Plx 1.01
E pmRA 0.97 E pmDE 0.64 Hpmag 8.8163 E Hpmag 0.002
SHp 0.014 VA 0 BV 0.6 E BV 0.495
VI 0.5
 
 
13581+1928 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 135807.25+192722.2 Mag 11.78 PmRA -29.00
PmDE -26.0 Calc delta mag 2.96 Calc coord yes