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Doubles in session


Current system
08458-1240
RST 3607
HD 74798


Nearby doubles
30' : 08473-1257
J 2888

37' : 08445-1312
UC 1709

41' : 08485-1235
UC 1714

42' : 08431-1225
RST3603

49' : 08491-1244
J 2064AB

52' : 08443-1327
J 2062

54' : 08493-1253
RST3609

54' : 08464-1333
RST5507

60' : 08417-1237
ALD 39

66' : 08491-1325
HJ 4140

73' : 08477-1346
UC 1712

78' : 08507-1306
TDS6131

80' : 08415-1329
RST3601

81' : 08407-1210
STF1260

81' : 08512-1231
XMI 84

83' : 08512-1219
RST3610

85' : 08486-1353
LDS3821AB

87' : 08407-1156
STF1261

87' : 08416-1341
UC 1701

87' : 08454-1407
HU 119

89' : 08435-1403
RST3605

89' : 08518-1242
UC 1725

91' : 08408-1334
BRT1906AB

93' : 08491-1121
RST3608

94' : 08464-1413
BRT2713

98' : 08501-1353
DVG 5



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08458-1240 RST 3607 (HD 74798)

 
 
08h 45m 46.42s -12° 39' 49.3" P.A. 342.00 sep 1.5 mag 9.28,10.34 Sp F6V dist. 131.93 pc (430.36 l.y.)
 
 
Coord 2000 08458-1240 Discov num RST3607 Comp Coord arcsec 2000 08 45 46.42 -12 39 49.3
Date first 1938 Date last 2016 Obs 9
Pa first 334 Pa last 341.8 P.A. Now (θ) 341.8°
Sep first 1.8 Sep last 1.521 Sep. Now (ρ) 1.521"
Mag pri 9.28 Mag sec 10.34 delta mag (ΔM) 1.06 Spectral class F6V (yellow-white)
Pri motion ra -032 Sec motion ra -032
Pri motion dec -013 Sec motion dec -013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74798 Constellation Hydra SAO 154611 HIP 42992
Tycho2 5450-00267-1 Gaia DR2 5747202803723496832 HD 74798 BD BD-12 2664
Distance 131.93 Distance ly 430.36
 
 
WDS 08458-1240 RST 3607 (HD 74798) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 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
08458-1240 RST3607 2000 7 340 1.5 9.28 10.34 F6V D 084546.42-123949.3
08458-1240 RST3607 2015 8 342 1.5 9.28 10.34 F6V 084546.42-123949.3
08458-1240 RST3607 2016 9 342 1.5 9.28 10.34 F6V 084546.42-123949.3

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

 
 
WDS 08458-1240 RST 3607 (HD 74798) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08458-1240 RST 3607 (HD 74798) : MEASURES
 
 
No records found.

 
 
WDS 08458-1240 (HD 74798) : VIRTUAL EYEPIECE
 
 

08458-1240 RST3607A mag 9.28 Sp F6V 08458-1240 RST3607B sep 1.5 P.A. 342.20 mag 10.34 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08458-1240 (HD 74798) : ALADIN DSS IMAGE @ 08h 45m 46.42s -12° 39' 49.3"
 
 
 
 
WDS 08458-1240 RST 3607 (HD 74798) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08458-1240 RST3607 distance=0' 08473-1257 J 2888 distance=30' 08445-1312 UC 1709 distance=37' 08485-1235 UC 1714 distance=41' 08431-1225 RST3603 distance=42' 08491-1244 J 2064AB distance=49' 08491-1244 BRT2714BC distance=49' 08443-1327 J 2062 distance=52' 08493-1253 RST3609 distance=54' 08464-1333 RST5507 distance=54' 08417-1237 ALD 39 distance=60' 08491-1325 HJ 4140 distance=66' 08477-1346 UC 1712 distance=73' 08507-1306 TDS6131 distance=78' 08415-1329 RST3601 distance=80' 08407-1210 STF1260 distance=81' 08512-1231 XMI 84 distance=81' 08512-1219 RST3610 distance=83' 08486-1353 LDS3821AB distance=85' 08486-1353 LDS3821AC distance=85' 08486-1353 JNN 64Ba,Bb distance=85' 08407-1156 STF1261 distance=87' 08416-1341 UC 1701 distance=87' 08454-1407 HU 119 distance=87' 08435-1403 RST3605 distance=89' 08518-1242 UC 1725 distance=89' 08408-1334 BRT1906AB distance=91' 08408-1334 DAM1467AC distance=91' 08491-1121 RST3608 distance=93' 08464-1413 BRT2713 distance=94' 08501-1353 DVG 5 distance=98' 08461-1100 BU 1069 distance=100' 08466-1419 DAM 480 distance=100' 08462-1422 HU 120 distance=103' 08525-1314 HJ 4146 distance=105' 08431-1422 RST3604 distance=109' 08471-1053 HU 121 distance=109' 08388-1315 SHY 201 distance=109' 08448-1044 HJ 795 distance=117' 08539-1308 ST 9AB distance=125' 08518-1108 SCJ 11 distance=128' 08445-1032 J 2886 distance=129' 08540-1156 RST3612 distance=129' 08491-1440 HJ 797 distance=130' 08540-1153 DAM1504 distance=130' 08369-1154 GWP1050 distance=138' 08398-1052 J 2884 distance=139' 08550-1205 GWP1110 distance=140' 08405-1439 HU 118 distance=142' 08441-1506 GWP1072 distance=148' 08512-1448 GWP1094 distance=151' 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 08458-1240 RST3607 342 1.5
Show 08473-1257 J 2888 187 4.4 30
Show 08445-1312 UC 1709 133 10.7 37
Show 08485-1235 UC 1714 88 34.5 41
Show 08431-1225 RST3603 317 0.4 42
Show 08491-1244 J 2064 AB 28 71.9 49
Show 08491-1244 BRT2714 BC 204 3.3 49
Show 08443-1327 J 2062 199 3.7 52
Show 08493-1253 RST3609 132 1.1 54
Show 08464-1333 RST5507 266 26.8 54
Show 08417-1237 ALD 39 358 3.0 60
Show 08491-1325 HJ 4140 286 10.3 66
Show 08477-1346 UC 1712 316 16.8 73
Show 08507-1306 TDS6131 37 1.8 78
Show 08415-1329 RST3601 144 1.4 80
Show 08407-1210 STF1260 301 5.3 81
Show 08512-1231 XMI 84 268 21.0 81
Show 08512-1219 RST3610 66 1.2 83
Show 08486-1353 LDS3821 AB 92 7.4 85
Show 08486-1353 LDS3821 AC 147 69.3 85
Show 08486-1353 JNN 64 Ba,Bb 166 0.3 85
Show 08407-1156 STF1261 303 29.5 87
Show 08416-1341 UC 1701 59 32.2 87
Show 08454-1407 HU 119 356 2.6 87
Show 08435-1403 RST3605 99 8.2 89
Show 08518-1242 UC 1725 57 24.7 89
Show 08408-1334 BRT1906 AB 40 3.5 91
Show 08408-1334 DAM1467 AC 108 6.4 91
Show 08491-1121 RST3608 71 2.5 93
Show 08464-1413 BRT2713 139 2.9 94
Show 08501-1353 DVG 5 45 5.5 98
Show 08461-1100 BU 1069 62 2.4 100
Show 08466-1419 DAM 480 204 9.6 100
Show 08462-1422 HU 120 322 0.4 103
Show 08525-1314 HJ 4146 109 29.6 105
Show 08431-1422 RST3604 66 0.9 109
Show 08471-1053 HU 121 97 3.8 109
Show 08388-1315 SHY 201 326 999.9 109
Show 08448-1044 HJ 795 18 6.0 117
Show 08539-1308 ST 9 AB 300 0.8 125
Show 08518-1108 SCJ 11 353 2.3 128
Show 08445-1032 J 2886 114 6.2 129
Show 08540-1156 RST3612 22 0.8 129
Show 08491-1440 HJ 797 138 16.6 130
Show 08540-1153 DAM1504 272 4.1 130
Show 08369-1154 GWP1050 102 265.8 138
Show 08398-1052 J 2884 183 5.4 139
Show 08550-1205 GWP1110 93 110.6 140
Show 08405-1439 HU 118 328 2.4 142
Show 08441-1506 GWP1072 213 9.3 148
Show 08512-1448 GWP1094 34 84.7 151

 
 
WDS 08458-1240 : COMPONENTS
 
 
  A
B pa=342.2°
sep=1.52"
 
 
08458-1240 A
 
 
Componente originario normalizzato AB Name HD 74798 Coord arcsec 2000 084546.42-123949.3 Mag 9.28
Spectral class F6V (yellow-white) PmRA -32.00 PmDE -13.0 SAO 154611
HIP 42992 Tycho2 5450-00267-1 HD 74798 BD BD-12 2664
Tycho2
Tycho2 5450-00267-1 Pflag P RAmdeg 131.44341587 DEmdeg -12.66370376
PmRA -31.8 PmDE -13.1 E RAmdeg 12 E DEmdeg 14
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.34 EpDEm 1990.98
Num 4 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 9.790 E BTmag 0.026 VTmag 9.280
E VTmag 0.021 Prox 16 TYC T HIP 42992
CCDM A RAdeg 131.44351000 DEdeg -12.66372444 EpRA 1990 1.78
EpDE 1990 1.59 E RAdeg 12.0 E DEdeg 14.4 Posflg D
Corr -0.1
SAO
SAO 154611 DelFlag RA1950 PmRA1950 -0.0015
DE1950 PmDE1950 0.003 Vmag 8.7 SpType F8
Double code Source 20 CatNum 3365 DM BD-12 2664
DMcomp BDsup HD 74798 M HD 0
GC RA1950rad 2.28376342 DE1950rad -0.21781881 PmRA2000 -0.0011
PmDE2000 0.008
Hipparcos
Catalog H HIP 42992 Proxy H RAhms 08 45 46.44
DEdms -12 39 49.4 Vmag 8.92 VarFlag R Vmag H
RAdeg 131.444 DEdeg -12.6637 AstroRef A Plx 7.16
CCDM 08458-1240 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 339 Rho 1.597 HD 74798 BD BD-12 2664
CD CP Dm number -12 2664 VIred 0.58
SpType F6V R SpType Coord arcsec 2000 084546.44-123949.4
Hipparcos 2
HIP 42992 Sn 15 So 3 Nc 2
RArad 2.2941220954 DErad -0.2210237027 Plx 7.58 PmRA -34.75
PmDE -8.92 E RArad 0.98 E DErad 0.77 E Plx 1.26
E pmRA 1.12 E pmDE 0.79 Hpmag 9.0286 E Hpmag 0.0023
SHp 0.014 VA 0 BV 0.6 E BV 0.495
VI 0.58
CCDM
Ccdm 08458-1240 RComp Comp A Note1
Note2 Discov num DRAs -1.54 DDEs 12.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp F8 PmNote *
PmRA -22 PmDE 3 Dm number -12 2664 Cat1 BD
Name2 154611 Cat2 SAO HD 74798 M HD
ADS BDS M ADS BDS N IDS IDS 08410S1218A
HIC 42992
 
 
08458-1240 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084546.39-123947.9 Mag 10.34 PmRA -32.00
PmDE -13.0 Tycho2 5450-00267-2 Calc delta mag 1.06 Calc coord yes
Tycho2
Tycho2 5450-00267-2 Pflag P RAmdeg 131.44341587 DEmdeg -12.66370376
PmRA -31.8 PmDE -13.1 E RAmdeg 12 E DEmdeg 14
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.34 EpDEm 1990.98
Num 4 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 11.320 E BTmag 0.075 VTmag 10.336
E VTmag 0.046 Prox 16 TYC HIP 42992
CCDM B RAdeg 131.44335000 DEdeg -12.66331083 EpRA 1990 1.79
EpDE 1990 1.61 E RAdeg 33.9 E DEdeg 39.8 Posflg D
Corr -0.1
CCDM
Ccdm 08458-1240 RComp Comp B Note1
Note2 Discov num RST3607 DRAs DDEs
R dRAs Year 1938 Theta 333 Rho 1.8
Obs 2 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08410S1218B
HIC 42992