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Doubles in session


Current system
12490-6954
DON 557


Nearby doubles
16' : 12459-6957
DON 553

29' : 12543-7002
HDS1811

32' : 12543-7010
BRT2002

38' : 12462-6920
WFC 129

39' : 12506-6916
DON 561

43' : 12551-6926
TDS8586

45' : 12510-6911
TDS8557

47' : 12403-6944
HDS1775

47' : 12561-6927
ELP 31

47' : 12421-6924
EVS 20

49' : 12403-7012
TVB 254

50' : 12397-6944
BRT2001

52' : 12505-6903
TDS8549

53' : 12569-6922
KPP1956

55' : 12572-7030
DON 565

56' : 12454-6902
DON 551

56' : 12566-6915
TDS8605

58' : 12466-7050
KPP3878

59' : 12387-6929
DON 543AB

60' : 12584-7029
CVN 87AB

61' : 12494-7055
KPP1664

64' : 12443-7053
MLO 45

65' : 12556-6900
HDS1813AB

67' : 12483-6848
TDS8531

68' : 13017-6940
WFC 132

69' : 12593-7038
COO 144



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

12490-6954 DON 557

 
 
12h 48m 57.85s -69° 54' 09.3" P.A. 263.00 sep 0.9 mag 11.06,11.10
 
 
Coord 2000 12490-6954 Discov num DON 557 Comp Coord arcsec 2000 12 48 57.85 -69 54 09.3
Date first 1932 Date last 2016 Obs 6
Pa first 263 Pa last 263 P.A. Now (θ) 263°
Sep first 0.7 Sep last 0.857 Sep. Now (ρ) 0.857"
Mag pri 11.06 Mag sec 11.10 delta mag (ΔM) 0.04 Spectral class
Pri motion ra -013 Sec motion ra -013
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Musca Tycho2 9245-00417-1 Gaia DR2 5843392616421112448
 
 
WDS 12490-6954 DON 557 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12490-6954 DON 557 1991 4 258 0.9 11.06 11.10 124857.85-695409.3
12490-6954 DON 557 2015 5 263 0.8 11.06 11.10 124857.85-695409.3
12490-6954 DON 557 2016 6 263 0.9 11.06 11.10 124857.85-695409.3

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

 
 
WDS 12490-6954 DON 557 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12490-6954 DON 557 : MEASURES
 
 
No records found.

 
 
WDS 12490-6954 : VIRTUAL EYEPIECE
 
 

12490-6954 DON 557A mag 11.06 12490-6954 DON 557B sep 0.3 P.A. 250.30 mag 11.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12490-6954 : ALADIN DSS IMAGE @ 12h 48m 57.85s -69° 54' 09.3"
 
 
 
 
WDS 12490-6954 DON 557 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12490-6954 DON 557 distance=0' 12459-6957 DON 553 distance=16' 12543-7002 HDS1811 distance=29' 12543-7010 BRT2002 distance=32' 12462-6920 WFC 129 distance=38' 12506-6916 DON 561 distance=39' 12551-6926 TDS8586 distance=43' 12510-6911 TDS8557 distance=45' 12403-6944 HDS1775 distance=47' 12561-6927 ELP 31 distance=47' 12421-6924 EVS 20 distance=47' 12403-7012 TVB 254 distance=49' 12397-6944 BRT2001 distance=50' 12505-6903 TDS8549 distance=52' 12569-6922 KPP1956 distance=53' 12572-7030 DON 565 distance=55' 12454-6902 DON 551 distance=56' 12566-6915 TDS8605 distance=56' 12466-7050 KPP3878 distance=58' 12387-6929 DON 543AB distance=59' 12387-6929 TRR 14AC distance=59' 12584-7029 CVN 87AB distance=60' 12584-7029 CVN 87AC distance=60' 12584-7029 CVN 87AD distance=60' 12584-7029 CVN 87AE distance=60' 12584-7029 CVN 87AF distance=60' 12584-7029 CVN 87AG distance=60' 12584-7029 CVN 87AH distance=60' 12584-7029 CVN 87AI distance=60' 12584-7029 CVN 87AJ distance=60' 12584-7029 CVN 87AK distance=60' 12494-7055 KPP1664 distance=61' 12443-7053 MLO 45 distance=64' 12556-6900 HDS1813AB distance=65' 12556-6900 HDS1813Aa,Ab distance=65' 12483-6848 TDS8531 distance=67' 13017-6940 WFC 132 distance=68' 12593-7038 COO 144 distance=69' 12350-6948 TDS8446 distance=73' 12348-6953 HDS1766 distance=73' 12372-7039 TDS8460 distance=75' 12454-7108 KPP2070 distance=76' 12372-6908 DON 541AB distance=78' 12372-6908 SHT 45AC distance=78' 12372-6908 SHT 45AD distance=78' 12372-6908 SHT 45AE distance=78' 12372-6908 RIZ 4Aa,Ab distance=78' 12500-6836 DON 559 distance=79' 13020-7040 DON 573 distance=81' 13016-7051 B 1725 distance=86' 13014-6859 NZO 34AB distance=86' 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 12490-6954 DON 557 263 0.9
Show 12459-6957 DON 553 1 1.1 16
Show 12543-7002 HDS1811 256 0.3 29
Show 12543-7010 BRT2002 68 4.8 32
Show 12462-6920 WFC 129 332 6.7 38
Show 12506-6916 DON 561 172 0.6 39
Show 12551-6926 TDS8586 71 0.6 43
Show 12510-6911 TDS8557 348 1.7 45
Show 12403-6944 HDS1775 36 0.5 47
Show 12561-6927 ELP 31 34 0.2 47
Show 12421-6924 EVS 20 329 7.0 47
Show 12403-7012 TVB 254 61 2.0 49
Show 12397-6944 BRT2001 33 4.3 50
Show 12505-6903 TDS8549 322 0.4 52
Show 12569-6922 KPP1956 249 15.4 53
Show 12572-7030 DON 565 353 2.1 55
Show 12454-6902 DON 551 330 4.2 56
Show 12566-6915 TDS8605 221 2.0 56
Show 12466-7050 KPP3878 208 40.8 58
Show 12387-6929 DON 543 AB 299 5.4 59
Show 12387-6929 TRR 14 AC 230 18.1 59
Show 12584-7029 CVN 87 AB 34 3.9 60
Show 12584-7029 CVN 87 AC 117 4.1 60
Show 12584-7029 CVN 87 AD 182 6.5 60
Show 12584-7029 CVN 87 AE 241 7.3 60
Show 12584-7029 CVN 87 AF 306 4.6 60
Show 12584-7029 CVN 87 AG 263 5.6 60
Show 12584-7029 CVN 87 AH 180 5.9 60
Show 12584-7029 CVN 87 AI 251 6.1 60
Show 12584-7029 CVN 87 AJ 146 7.4 60
Show 12584-7029 CVN 87 AK 73 8.5 60
Show 12494-7055 KPP1664 96 12.8 61
Show 12443-7053 MLO 45 308 3.2 64
Show 12556-6900 HDS1813 AB 276 0.6 65
Show 12556-6900 HDS1813 Aa,Ab 261 0.0 65
Show 12483-6848 TDS8531 8 0.9 67
Show 13017-6940 WFC 132 268 7.5 68
Show 12593-7038 COO 144 275 4.4 69
Show 12350-6948 TDS8446 127 3.1 73
Show 12348-6953 HDS1766 134 0.2 73
Show 12372-7039 TDS8460 107 0.7 75
Show 12454-7108 KPP2070 286 16.6 76
Show 12372-6908 DON 541 AB 321 28.8 78
Show 12372-6908 SHT 45 AC 198 4.9 78
Show 12372-6908 SHT 45 AD 243 3.4 78
Show 12372-6908 SHT 45 AE 159 5.8 78
Show 12372-6908 RIZ 4 Aa,Ab -1 0.0 78
Show 12500-6836 DON 559 198 2.5 79
Show 13020-7040 DON 573 221 0.8 81
Show 13016-7051 B 1725 215 1.1 86
Show 13014-6859 NZO 34 AB 126 4.3 86

 
 
WDS 12490-6954 : COMPONENTS
 
 
  A
B pa=250.3°
sep=0.31"
 
 
12490-6954 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 124857.85-695409.3 Mag 11.06 PmRA -13.00
PmDE 0.0 Tycho2 9245-00417-1
Tycho2
Tycho2 9245-00417-1 Pflag P RAmdeg 192.24103127 DEmdeg -69.90259385
PmRA -12.5 PmDE 0.2 E RAmdeg 31 E DEmdeg 37
E pmRA 2.8 E pmDE 2.7 EpRAm 1989.76 EpDEm 1988.78
Num 4 Q RAmdeg 0.9 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.3 BTmag 11.319 E BTmag 0.055 VTmag 11.064
E VTmag 0.066 Prox 9 TYC T HIP
CCDM RAdeg 192.24145972 DEdeg -69.90256222 EpRA 1990 1.83
EpDE 1990 1.81 E RAdeg 33.3 E DEdeg 39.6 Posflg D
Corr -0.1
CCDM
Ccdm 12490-6954 RComp Comp A Note1
Note2 Discov num DRAs -1.92 DDEs -9.2
R dRAs 66 Year Theta Rho
Obs 2 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number -69 1707 Cat1 CPD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12427S6921A
HIC
 
 
12490-6954 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124857.79-695409.4 Mag 11.1 PmRA -13.00
PmDE 0.0 Tycho2 9245-00417-2 Calc delta mag 0.04 Calc coord yes
Tycho2
Tycho2 9245-00417-2 Pflag P RAmdeg 192.24103127 DEmdeg -69.90259385
PmRA -12.5 PmDE 0.2 E RAmdeg 31 E DEmdeg 37
E pmRA 2.8 E pmDE 2.7 EpRAm 1989.76 EpDEm 1988.78
Num 4 Q RAmdeg 0.9 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.3 BTmag 11.274 E BTmag 0.053 VTmag 11.097
E VTmag 0.068 Prox 9 TYC T HIP
CCDM RAdeg 192.24078139 DEdeg -69.90261278 EpRA 1990 1.83
EpDE 1990 1.80 E RAdeg 32.8 E DEdeg 38.9 Posflg D
Corr -0.1
CCDM
Ccdm 12490-6954 RComp Comp B Note1
Note2 Discov num DON 557 DRAs DDEs
R dRAs Year 1932 Theta 263 Rho 0.7
Obs 2 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12427S6921B
HIC