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Doubles in session


Current system
21074-0814
BU 368 AC


Nearby doubles
5' : 21074-0810
HDS3010

13' : 21078-0826
RST4074

26' : 21065-0753
TDT2752

27' : 21092-0814
JNN 128

43' : 21071-0858
J 1782

43' : 21054-0744
RST4691

49' : 21042-0811
TDT2725

50' : 21079-0725
KPP2183

53' : 21103-0845
UC 4397

54' : 21106-0837
HJ 930

61' : 21115-0832
J 2340

63' : 21082-0916
UC 4387

68' : 21119-0757
TDT2815

75' : 21042-0911
AOT 102

84' : 21069-0937
TDT2762

87' : 21100-0658
GRV1140

93' : 21096-0940
RST4075

95' : 21136-0749
SLW1232

99' : 21008-0821
BU 678AB

102' : 21075-0956
TDT2770

103' : 21032-0935
AOT 99

104' : 21135-0905
BRT 515

106' : 21100-0642
GRV1141

112' : 21146-0849
TDT2851

113' : 21077-0621
BRT 513

115' : 21023-0941
HJ 929



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

21074-0814 BU 368 AC

 
 
21h 07m 26.28s -08° 14' 05.6" P.A. 39.00 sep 15.6 mag 7.56,14.10 Sp A0 dist. 117.65 pc (383.77 l.y.)
 
 
Coord 2000 21074-0814 Discov num BU  368 Comp AC Coord arcsec 2000 21 07 26.28 -08 14 05.6
Date first 1890 Date last 2004 Obs 5
Pa first 27 Pa last 38.7 P.A. Now (θ) 38.7°
Sep first 12.0 Sep last 15.64 Sep. Now (ρ) 15.64"
Mag pri 7.56 Mag sec 14.10 delta mag (ΔM) 6.54 Spectral class A0 (white)
Pri motion ra -016 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21074-0814 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201038 145118 21 07 26 -08 14 06 BU 368 AB 2021 78 312 0.0 7.56 8.24 0.68 Y
Show 145118 21 07 26 -08 14 06 BU 368 AC 2004 5 39 15.6 7.56 14.10 6.54 <===
Show 145118 21 07 26 -08 14 06 POP 227 AB,E 2004 3 117 51.3 7.56 14.92 7.36
Show 21 07 27 -08 13 53 BU 368 CD 2015 9 298 6.0 14.10 14.80 0.70
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius SAO 145118 HIP 104272 Tycho2 5771-01610-1
Gaia DR2 6897081208037262592 HD 201038 BD BD-08 5581 Distance 117.65
Distance ly 383.77
 
 
WDS 21074-0814 BU 368 AC : NOTES
 
 
discov_num notes refcode
BU 368 Baize (1985) value of omega corrected from 12.0 to 192.0 degrees by Baz1985b
Ruymaekers & Nys (1985). Ruy1995
AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 3.23 +/- 1.27, 3.31, and 2.24 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Baz1985b orb - Baize, P. 1985A&AS...60..333B
Baz1985b A&AS 60, 333, 1985
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Ruy1995 orb - Ruymaekers, G. & Nys, O. 1995IAUDS.126....1R
Ruy1995 Inf. Circ. 126, 1, 1995
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 POP Popovic, G.M.
308 POP Popovic, G.M. (Cvetkovic, Z., Pavlovic, R., Strigachev, A., Novakovic, B., &
308 POP Popovic, G.M.)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21074-0814 BU 368 AC 2004 4 39 15.4 7.56 14.20 A0 N D 210726.28-081405.6

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

 
 
WDS 21074-0814 BU 368 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21074-0814 BU 368 AC : MEASURES
 
 
No records found.

 
 
WDS 21074-0814 : VIRTUAL EYEPIECE
 
 

21074-0814 BU 368A mag 7.56 Sp A0 21074-0814 BU 368B mag 8.24 21074-0814 BU 368C sep 15.4 P.A. 37.50 mag 14.1 21074-0814 BU 368D sep 15.6 P.A. 15.30 mag 14.8 21074-0814 POP 227E sep 50.8 P.A. 117.10 mag 14.92 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21074-0814 : ALADIN DSS IMAGE @ 21h 07m 26.28s -08° 14' 05.6"
 
 
 
 
WDS 21074-0814 BU 368 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21074-0814 BU 368AC distance=0' 21074-0814 BU 368CD distance=1' 21074-0810 HDS3010 distance=5' 21078-0826 RST4074 distance=13' 21065-0753 TDT2752 distance=26' 21092-0814 JNN 128 distance=27' 21071-0858 J 1782 distance=43' 21054-0744 RST4691 distance=43' 21042-0811 TDT2725 distance=49' 21079-0725 KPP2183 distance=50' 21103-0845 UC 4397 distance=53' 21106-0837 HJ 930 distance=54' 21115-0832 J 2340 distance=61' 21082-0916 UC 4387 distance=63' 21119-0757 TDT2815 distance=68' 21042-0911 AOT 102 distance=75' 21069-0937 TDT2762 distance=84' 21100-0658 GRV1140 distance=87' 21096-0940 RST4075 distance=93' 21136-0749 SLW1232 distance=95' 21008-0821 BU 678AB distance=99' 21008-0821 FOX 255AC distance=99' 21075-0956 TDT2770 distance=102' 21032-0935 AOT 99 distance=103' 21135-0905 BRT 515 distance=104' 21100-0642 GRV1141 distance=106' 21146-0849 TDT2851 distance=112' 21077-0621 BRT 513 distance=113' 21023-0941 HJ 929 distance=115' 21052-1004 AOT 104 distance=116' 21029-0950 AOT 98 distance=117' 21121-0638 TDT2821 distance=118' 20595-0804 RST3275 distance=119' 21151-0742 GRV1153 distance=119' 21079-1013 BU 473AB distance=119' 21079-1013 BU 473AC distance=119' 21008-0704 UC 4361 distance=121' 20593-0812 AHD 31 distance=122' 21034-1000 AOT 100 distance=122' 21011-0657 WAA 49 distance=123' 21027-0629 UC 4364 distance=127' 21050-1020 AOT 103 distance=131' 21036-1012 AOT 101 distance=131' 21157-0901 ZIE 13 distance=132' 21085-1028 LDS1478 distance=135' 21027-1012 AOT 97 distance=138' 20599-0653 UC 4355 distance=139' 21005-0642 CVR 881 distance=139' 21032-0610 RST4689 distance=140' 21167-0739 STF2781AB distance=143' 20588-0921 BOO 1DF distance=143' 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 21074-0814 BU 368 AB 312 0.0
Show 21074-0814 BU 368 AC 39 15.6
Show 21074-0814 POP 227 AB,E 117 51.3
Show 21074-0814 BU 368 CD 298 6.0 1
Show 21074-0810 HDS3010 31 0.9 5
Show 21078-0826 RST4074 28 1.8 13
Show 21065-0753 TDT2752 79 0.5 26
Show 21092-0814 JNN 128 121 0.9 27
Show 21071-0858 J 1782 193 5.1 43
Show 21054-0744 RST4691 71 0.5 43
Show 21042-0811 TDT2725 74 0.4 49
Show 21079-0725 KPP2183 190 17.9 50
Show 21103-0845 UC 4397 270 43.4 53
Show 21106-0837 HJ 930 114 10.3 54
Show 21115-0832 J 2340 323 6.7 61
Show 21082-0916 UC 4387 14 16.0 63
Show 21119-0757 TDT2815 236 0.5 68
Show 21042-0911 AOT 102 113 14.6 75
Show 21069-0937 TDT2762 94 0.8 84
Show 21100-0658 GRV1140 287 37.0 87
Show 21096-0940 RST4075 40 1.6 93
Show 21136-0749 SLW1232 187 60.4 95
Show 21008-0821 BU 678 AB 260 2.8 99
Show 21008-0821 FOX 255 AC 251 71.0 99
Show 21075-0956 TDT2770 215 0.6 102
Show 21032-0935 AOT 99 116 7.4 103
Show 21135-0905 BRT 515 67 4.1 104
Show 21100-0642 GRV1141 84 16.9 106
Show 21146-0849 TDT2851 71 0.5 112
Show 21077-0621 BRT 513 258 6.6 113
Show 21023-0941 HJ 929 2 23.9 115
Show 21052-1004 AOT 104 174 7.6 116
Show 21029-0950 AOT 98 276 15.7 117
Show 21121-0638 TDT2821 220 0.6 118
Show 20595-0804 RST3275 5 1.9 119
Show 21151-0742 GRV1153 181 17.0 119
Show 21079-1013 BU 473 AB 117 2.1 119
Show 21079-1013 BU 473 AC 16 39.0 119
Show 21008-0704 UC 4361 52 39.2 121
Show 20593-0812 AHD 31 161 10.6 122
Show 21034-1000 AOT 100 146 21.2 122
Show 21011-0657 WAA 49 171 6.1 123
Show 21027-0629 UC 4364 165 27.0 127
Show 21050-1020 AOT 103 224 21.6 131
Show 21036-1012 AOT 101 139 14.6 131
Show 21157-0901 ZIE 13 19 8.2 132
Show 21085-1028 LDS1478 200 5.2 135
Show 21027-1012 AOT 97 4 13.1 138
Show 20599-0653 UC 4355 21 32.1 139
Show 21005-0642 CVR 881 127 11.1 139
Show 21032-0610 RST4689 84 0.8 140

 
 
WDS 21074-0814 : COMPONENTS
 
 
  A B C D
B pa=312.1°
sep=0.05"
 
C pa=37.5°
sep=15.37"
pa=37.7°
sep=15.37"
 
D pa=15.3°
sep=15.58"
pa=15.5°
sep=15.55"
pa=298.3°
sep=5.94"
 
E pa=117.1°
sep=50.84"
pa=117.2°
sep=50.89"
pa=134.6°
sep=50.40"
pa=132.9°
sep=56.13"
 
 
21074-0814 A
 
 
Name HD 201038 Coord arcsec 2000 210726.28-081405.6 Mag 7.56 Spectral class A0 (white)
PmRA -19.00 PmDE -7.0 SAO 145118 HIP 104272
Tycho2 5771-01610-1 HD 201038 GC 29515 BD BD-08 5581
Tycho2
Tycho2 5771-01610-1 Pflag RAmdeg 316.85946768 DEmdeg -8.23489701
PmRA -18.6 PmDE -8.7 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.23 EpDEm 1990.93
Num 17 Q RAmdeg 1.5 Q DEmdeg 1.6 Q pmRA 1.4
Q pmDE 1.6 BTmag 7.305 E BTmag 0.015 VTmag 7.051
E VTmag 0.010 Prox 999 TYC T HIP 104272
CCDM AB RAdeg 316.85951028 DEdeg -8.23487694 EpRA 1990 1.75
EpDE 1990 1.65 E RAdeg 3.8 E DEdeg 4.5 Posflg P
Corr -0.3
SAO
SAO 145118 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.015 Vmag 6.9 SpType A0
Double code Source 70 CatNum 29515 DM BD-08 5581
DMcomp BDsup HD 201038 M HD 0
GC 29515 RA1950rad 5.51857363 DE1950rad -0.1472532 PmRA2000 -0.0011
PmDE2000 -0.017
Hipparcos
Catalog H HIP 104272 Proxy H RAhms 21 07 26.28
DEdms -08 14 05.6 Vmag 7.02 VarFlag R Vmag H
RAdeg 316.86 DEdeg -8.23488 AstroRef * Plx 7.5
CCDM 21074-0814 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 273 Rho 0.212 HD 201038 BD BD-08 5581
CD CP Dm number -08 5581 VIred 0.25
SpType A0 R SpType Coord arcsec 2000 210726.28-081405.6
Hipparcos 2
HIP 104272 Sn 55 So 3 Nc 2
RArad 5.5302417798 DErad -0.1437257028 Plx 8.5 PmRA -20.7
PmDE -9.63 E RArad 0.7 E DErad 0.36 E Plx 0.81
E pmRA 0.93 E pmDE 0.35 Hpmag 7.0909 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.226 E BV 0.002
VI 0.25
CCDM
Ccdm 21074-0814 RComp Comp A Note1
Note2 Discov num DRAs 2.31 DDEs -6.7
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.5 Sp A0 PmNote *
PmRA -17 PmDE -15 Dm number -08 5581 Cat1 BD
Name2 145118 Cat2 SAO HD 201038 M HD
ADS BDS A14648 M ADS BDS N IDS IDS 21021S0838A
HIC 104272
 
 
21074-0814 B
 
 
Coord arcsec 2000 210726.28-081405.6 Mag 8.24 Calc delta mag 0.68 Calc coord yes
CCDM
Ccdm 21074-0814 RComp Comp B Note1 *
Note2 Discov num BU 368 DRAs DDEs
R dRAs Year 1959 Theta 106 Rho 0.1
Obs 24 Vmag 7.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14648 M ADS BDS N N IDS IDS 21021S0838B
HIC 104272
 
 
21074-0814 C
 
 
Coord arcsec 2000 210726.91-081353.4 Coord calc 210726.91-081353.4 Mag 14.1 PmRA 25.00
PmDE 0.0 Calc delta mag 6.54
CCDM
Ccdm 21074-0814 RComp Comp C Note1
Note2 Discov num BU 368 DRAs DDEs
R dRAs Year 1890 Theta 029 Rho 12.1
Obs 2 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14648 M ADS BDS N IDS IDS 21021S0838C
HIC
 
 
21074-0814 D
 
 
Coord arcsec 2000 210726.56-081350.6 Mag 14.8 Calc delta mag 7.24 Calc coord yes
CCDM
Ccdm 21074-0814 RComp C Comp D Note1
Note2 Discov num BU 368 DRAs DDEs
R dRAs Year 1898 Theta 316 Rho 5.1
Obs Vmag 14.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14648 M ADS BDS N IDS IDS 21021S0838D
HIC
 
 
21074-0814 E
 
 
Coord arcsec 2000 210729.33-081428.8 Mag 14.92 Calc delta mag 7.36 Calc coord yes