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Current system
08391-7023
DON 271 AB


Nearby doubles
43' : 08411-6942
DON 275

44' : 08378-6940
HDS1241

45' : 08401-6939
DAM1465AB

50' : 08307-7051
RSS 163

52' : 08289-7024
UC 1678

53' : 08374-6932
BRT1973

61' : 08352-6927
GAT 12

69' : 08441-7128
B 2668

70' : 08312-7121
KPP 177

71' : 08532-7032
LDS6221

71' : 08431-7131
UC 1704

75' : 08479-6924
DON 286

75' : 08246-7010
UC 1670

78' : 08544-7032
LDS6222

84' : 08433-6903
TDS6056

85' : 08503-7128
B 2193

86' : 08479-6911
UC 1713

89' : 08230-7102
HDS1196AB

90' : 08489-6910
KPP2883

94' : 08422-6852
TOK 834

94' : 08232-7115
NSN 258

102' : 08575-7108
B 2197

105' : 08583-7105
UC 1739

115' : 08401-7218
GLI 100

116' : 08400-6828
DON 273

117' : 08198-7131
BSO 17AB



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

08391-7023 DON 271 AB

 
 
08h 39m 05.13s -70° 23' 11.9" P.A. 55.00 sep 22.6 mag 5.20,15.00 Sp A0V dist. 73.64 pc (240.21 l.y.)
 
 
Coord 2000 08391-7023 Discov num DON 271 Comp AB Coord arcsec 2000 08 39 05.13 -70 23 11.9
Date first 1930 Date last 2015 Obs 5
Pa first 66 Pa last 54.8 P.A. Now (θ) 54.8°
Sep first 21.4 Sep last 22.57 Sep. Now (ρ) 22.57"
Mag pri 5.20 Mag sec 15.00 delta mag (ΔM) 9.8 Spectral class A0V (white)
Pri motion ra +019 Sec motion ra +000
Pri motion dec -038 Sec motion dec -001
Notes N (See Notes)
rPM=0.979
This double is not physical.
 
 
08391-7023 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 256535 08 39 05 -70 23 12 DON 271 AB 2015 5 55 22.6 5.20 15.00 9.80 <===
Show The Vol 256535 08 39 05 -70 23 12 HJ 4134 AC 2015 14 104 40.5 5.18 10.64 5.46
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Volans SAO 256535 HIP 42425 Tycho2 9198-02243-1
Gaia DR2 5221638139729806592 HD 74405 HR 3460 GC 11947
CP CP-69 946 Bayer Theta Volantis Bayer name The Vol FK5 2683
Distance 73.64 Distance ly 240.21 Bayer greek θ Vol
 
 
WDS 08391-7023 DON 271 AB : NOTES
 
 
discov_num notes refcode
DON 271 the Vol
HJ 4134 AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 DON Donner, H.F.
6 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08391-7023 DON 271 AB 1999 2 57 22.4 5.20 15.00 A0V N D 083905.13-702311.9
08391-7023 DON 271 AB 2000 4 58 22.1 5.20 15.00 A0V N D 083905.13-702311.9
08391-7023 DON 271 AB 2015 5 55 22.6 5.20 15.00 A0V N 083905.13-702311.9

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

 
 
WDS 08391-7023 DON 271 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08391-7023 DON 271 AB : MEASURES
 
 
No records found.

 
 
WDS 08391-7023 : VIRTUAL EYEPIECE
 
 

08391-7023 DON 271A mag 5.2 Sp A0V 08391-7023 DON 271B sep 14.4 P.A. 25.40 mag 15 08391-7023 HJ 4134C sep 16.2 P.A. 125.60 mag 10.64 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08391-7023 : ALADIN DSS IMAGE @ 08h 39m 05.13s -70° 23' 11.9"
 
 
 
 
WDS 08391-7023 DON 271 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08391-7023 DON 271AB distance=0' 08411-6942 DON 275 distance=43' 08378-6940 HDS1241 distance=44' 08401-6939 DAM1465AB distance=45' 08307-7051 RSS 163 distance=50' 08289-7024 UC 1678 distance=52' 08374-6932 BRT1973 distance=53' 08352-6927 GAT 12 distance=61' 08441-7128 B 2668 distance=69' 08312-7121 KPP 177 distance=70' 08532-7032 LDS6221 distance=71' 08431-7131 UC 1704 distance=71' 08479-6924 DON 286 distance=75' 08246-7010 UC 1670 distance=75' 08544-7032 LDS6222 distance=78' 08433-6903 TDS6056 distance=84' 08503-7128 B 2193 distance=85' 08479-6911 UC 1713 distance=86' 08230-7102 HDS1196AB distance=89' 08489-6910 KPP2883 distance=90' 08422-6852 TOK 834 distance=94' 08232-7115 NSN 258 distance=94' 08575-7108 B 2197 distance=102' 08583-7105 UC 1739 distance=105' 08401-7218 GLI 100 distance=115' 08198-7131 BSO 17BC distance=115' 08400-6828 DON 273 distance=116' 08198-7131 BSO 17AB distance=117' 08198-7131 BSO 17AC distance=117' 08198-7131 BSO 17Aa,Ab distance=117' 08388-7221 GLI 99AB distance=118' 08388-7221 DAM1464AC distance=118' 08325-6828 TVB 194 distance=121' 08523-6844 R 89 distance=121' 08432-6822 SPM 24 distance=123' 08255-6843 UC 1671 distance=124' 08452-6823 DAM 478 distance=125' 08573-6901 RSS 182 distance=126' 08323-6821 WIS 149 distance=128' 08449-6817 DON 281AB distance=130' 08449-6817 HLN 12AC distance=130' 08414-7235 DAM1469 distance=133' 08561-7217 TDS6196 distance=140' 08562-6836 TDS6199 distance=140' 08283-6814 BRT1972 distance=142' 08533-7229 SKF 61 distance=144' 08198-6840 MLO 28 distance=145' 08308-6802 DON 259 distance=148' 08569-7224 HDS1294 distance=149' 08358-6745 TDS5964 distance=160' 08253-6754 DON 251 distance=167' 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 08391-7023 DON 271 AB 55 22.6
Show 08391-7023 HJ 4134 AC 104 40.5
Show 08411-6942 DON 275 202 0.2 43
Show 08378-6940 HDS1241 26 0.3 44
Show 08401-6939 DAM1465 AB 85 52.1 45
Show 08307-7051 RSS 163 32 11.4 50
Show 08289-7024 UC 1678 196 29.0 52
Show 08374-6932 BRT1973 155 5.1 53
Show 08352-6927 GAT 12 339 1.2 61
Show 08441-7128 B 2668 283 3.2 69
Show 08312-7121 KPP 177 175 3.5 70
Show 08532-7032 LDS6221 223 2.0 71
Show 08431-7131 UC 1704 236 149.0 71
Show 08479-6924 DON 286 340 0.6 75
Show 08246-7010 UC 1670 255 47.4 75
Show 08544-7032 LDS6222 47 89.7 78
Show 08433-6903 TDS6056 154 0.6 84
Show 08503-7128 B 2193 30 3.4 85
Show 08479-6911 UC 1713 195 51.6 86
Show 08230-7102 HDS1196 AB 76 0.0 89
Show 08489-6910 KPP2883 46 24.7 90
Show 08422-6852 TOK 834 41 0.7 94
Show 08232-7115 NSN 258 51 3.1 94
Show 08575-7108 B 2197 186 0.2 102
Show 08583-7105 UC 1739 72 21.3 105
Show 08401-7218 GLI 100 142 5.6 115
Show 08198-7131 BSO 17 BC 30 37.2 115
Show 08400-6828 DON 273 25 2.0 116
Show 08198-7131 BSO 17 AB 58 64.0 117
Show 08198-7131 BSO 17 AC 48 98.4 117
Show 08198-7131 BSO 17 Aa,Ab 7 1.3 117
Show 08388-7221 GLI 99 AB 285 17.3 118
Show 08388-7221 DAM1464 AC 240 17.0 118
Show 08325-6828 TVB 194 268 2.4 121
Show 08523-6844 R 89 208 47.5 121
Show 08432-6822 SPM 24 159 15.0 123
Show 08255-6843 UC 1671 21 29.0 124
Show 08452-6823 DAM 478 341 7.6 125
Show 08573-6901 RSS 182 207 8.3 126
Show 08323-6821 WIS 149 49 788.8 128
Show 08449-6817 DON 281 AB 180 12.4 130
Show 08449-6817 HLN 12 AC 195 15.4 130
Show 08414-7235 DAM1469 119 3.5 133
Show 08561-7217 TDS6196 265 0.5 140
Show 08562-6836 TDS6199 191 1.9 140
Show 08283-6814 BRT1972 208 4.3 142
Show 08533-7229 SKF 61 44 43.4 144
Show 08198-6840 MLO 28 114 3.0 145
Show 08308-6802 DON 259 286 0.3 148
Show 08569-7224 HDS1294 334 0.2 149
Show 08358-6745 TDS5964 63 0.5 160

 
 
WDS 08391-7023 : COMPONENTS
 
 
  A B
B pa=25.4°
sep=14.41"
 
C pa=125.6°
sep=16.24"
pa=162.6°
sep=23.53"
 
 
08391-7023 A
 
 
Coord arcsec 2000 083905.13-702311.9 Mag 5.2 Spectral class A0V (white) PmRA 19.00
PmDE -38.0 SAO 256535 HIP 42425 Tycho2 9198-02243-1
HD 74405 HR 3460 GC 11947 CP CP-69 946
Bayer Theta Volantis Bayer name The Vol FK5 2683
Tycho2
Tycho2 9198-02243-1 Pflag RAmdeg 129.77151386 DEmdeg -70.38674584
PmRA 20.0 PmDE -38.6 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.51 EpDEm 1991.47
Num 18 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 5.192 E BTmag 0.014 VTmag 5.184
E VTmag 0.009 Prox 999 TYC T HIP 42425
CCDM RAdeg 129.77137667 DEdeg -70.38665694 EpRA 1990 1.72
EpDE 1990 1.69 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.1
SAO
SAO 256535 DelFlag RA1950 PmRA1950 0.004
DE1950 PmDE1950 -0.048 Vmag 5.3 SpType A0
Double code Source 70 CatNum 11947 DM CP-69 946
DMcomp BDsup HD 74405 M HD 0
GC 11947 RA1950rad 2.26418544 DE1950rad -1.22536436 PmRA2000 0.0031
PmDE2000 -0.044
Hipparcos
Catalog H HIP 42425 Proxy RAhms 08 39 05.13
DEdms -70 23 11.9 Vmag 5.19 VarFlag R Vmag H
RAdeg 129.771 DEdeg -70.3867 AstroRef Plx 13.64
CCDM 08391-7023 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 74405 BD
CD CP CP-69 946 Dm number -69 946 VIred 0.02
SpType A0V R SpType Coord arcsec 2000 083905.13-702311.9
Hipparcos 2
HIP 42425 Sn 5 So 0 Nc 1
RArad 2.2649376358 DErad -1.228478829 Plx 13.58 PmRA 19.15
PmDE -38.28 E RArad 0.18 E DErad 0.17 E Plx 0.2
E pmRA 0.25 E pmDE 0.16 Hpmag 5.199 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.013 E BV 0.004
VI 0.03
CCDM
Ccdm 08391-7023 RComp Comp A Note1
Note2 Discov num DRAs -0.95 DDEs -13.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.3 Sp A0 PmNote *
PmRA 14 PmDE -53 Dm number -69 946 Cat1 CPD
Name2 256535 Cat2 SAO HD 74405 M HD
ADS BDS M ADS BDS N IDS IDS 08387S7002A
HIC 42425
 
 
08391-7023 B
 
 
Coord arcsec 2000 083906.36-702258.9 Mag 15 PmRA 0.00 PmDE -1.0
Calc delta mag 9.8 Calc coord yes
CCDM
Ccdm 08391-7023 RComp Comp B Note1
Note2 Discov num DON 271 DRAs DDEs
R dRAs Year 1930 Theta 066 Rho 21.4
Obs 1 Vmag 15.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08387S7002B
HIC
 
 
08391-7023 C
 
 
Coord arcsec 2000 083907.75-702321.3 Mag 10.64 PmRA -14.00 PmDE 5.0
Calc delta mag 5.44 Calc coord yes
CCDM
Ccdm 08391-7023 RComp Comp C Note1
Note2 Discov num HJ 4134 DRAs 7.09 DDEs -21.9
R dRAs 10 Year 1915 Theta 108 Rho 45.0
Obs 2 Vmag 10.3 Sp PmNote *
PmRA -11 PmDE 13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08387S7002C
HIC