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Doubles in session


Current system
10366-2846
I 857
HD 91955


Nearby doubles
20' : 10365-2827
RSS 241AB

31' : 10375-2818
RST1517

32' : 10345-2859
LDS5712

35' : 10392-2852
DAM2472

37' : 10393-2855
TDS7393

41' : 10362-2927
DAM2449

45' : 10359-2930
TDS7368

47' : 10369-2800
UC 1966

58' : 10355-2941
LDS 309

63' : 10321-2828
RST 494

65' : 10381-2746
SHN 137

66' : 10373-2951
TOK 539

66' : 10381-2744
DAM2469

70' : 10343-2949
TDS7342

74' : 10374-2959
DAM2461

74' : 10355-2959
TDS7359AB

79' : 10354-3003
DAM2437

89' : 10398-2728
B 202

91' : 10297-2858
LDS3995

93' : 10435-2904
LAF 40AB

99' : 10306-2947
UC 1944

99' : 10425-2745
RST1522

100' : 10356-3025
DAM2441

101' : 10337-3019
I 1201

101' : 10291-2829
B 200

101' : 10357-3026
DAM2442



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.

10366-2846 I 857 (HD 91955)

 
 
10h 36m 35.40s -28° 46' 18.6" P.A. 265.00 sep 0.3 mag 7.42,7.86 Sp A1V dist. 165.02 pc (538.3 l.y.)
 
 
Coord 2000 10366-2846 Discov num I   857 Comp Coord arcsec 2000 10 36 35.40 -28 46 18.6
Date first 1910 Date last 1998 Obs 27
Pa first 300 Pa last 264.6 P.A. Now (θ) 264.6°
Sep first 0.6 Sep last 0.28 Sep. Now (ρ) 0.28"
Mag pri 7.42 Mag sec 7.86 delta mag (ΔM) 0.44 Spectral class A1V (white)
Pri motion ra -030 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 91955 Constellation Hydra SAO 179025 HIP 51936
Tycho2 6645-01605-1 Gaia DR2 5455906168816352768 HD 91955 GC 14588
CD CD-28 8306 CP CP-28 4161 Distance 165.02 Distance ly 538.3
 
 
WDS 10366-2846 I 857 (HD 91955) : NOTES
 
 
discov_num notes refcode
I 857 Rectilinear solution by Zirm (2013). Zir2013d
 
 
REFERENCES
 
 
refcode metd author reference
Zir2013d orb - Zirm, H. 2013IAUDS.180....1Z
Zir2013d +lin Inf. Circ. 180, 1, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10366-2846 I 857 1998 27 265 0.3 7.42 7.86 A1V 103635.40-284618.6

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

 
 
WDS 10366-2846 I 857 (HD 91955) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10366-2846 I 857 (HD 91955) : MEASURES
 
 
No records found.

 
 
WDS 10366-2846 (HD 91955) : VIRTUAL EYEPIECE
 
 

10366-2846 I 857A mag 7.42 Sp A1V 10366-2846 I 857B sep 0.2 P.A. 263.80 mag 7.86 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 10366-2846 (HD 91955) : ALADIN DSS IMAGE @ 10h 36m 35.40s -28° 46' 18.6"
 
 
 
 
WDS 10366-2846 I 857 (HD 91955) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10366-2846 I 857 distance=0' 10365-2827 RSS 241AB distance=20' 10375-2818 RST1517 distance=31' 10345-2859 LDS5712 distance=32' 10392-2852 DAM2472 distance=35' 10393-2855 TDS7393 distance=37' 10362-2927 DAM2449 distance=41' 10359-2930 TDS7368 distance=45' 10369-2800 UC 1966 distance=47' 10355-2941 LDS 309 distance=58' 10321-2828 RST 494 distance=63' 10381-2746 SHN 137 distance=65' 10373-2951 TOK 539 distance=66' 10381-2744 DAM2469 distance=66' 10343-2949 TDS7342 distance=70' 10374-2959 DAM2461 distance=74' 10355-2959 TDS7359AB distance=74' 10355-2959 DAM2440AB,C distance=74' 10354-3003 DAM2437 distance=79' 10398-2728 B 202 distance=89' 10297-2858 LDS3995 distance=91' 10435-2904 LAF 40AB distance=93' 10306-2947 UC 1944 distance=99' 10425-2745 RST1522 distance=99' 10356-3025 DAM2441 distance=100' 10337-3019 I 1201 distance=101' 10291-2829 B 200 distance=101' 10357-3026 DAM2442 distance=101' 10362-3029 HJ 4336 distance=104' 10364-3034 DAM2452 distance=109' 10429-2732 RST5348 distance=112' 10445-2801 LDS5716 distance=114' 10333-2659 B 2250AB distance=116' 10333-2659 B 2250AC distance=116' 10288-2944 SKF1894 distance=118' 10287-2753 RST1511 distance=118' 10321-3028 CBL 136 distance=118' 10300-3009 TDS7301 distance=120' 10276-2824 RST1510 distance=120' 10415-2705 B 203 distance=121' 10451-2757 KPP 732 distance=123' 10427-3019 BRT2981 distance=124' 10354-3050 NSN 304 distance=125' 10433-2720 TDS7433 distance=125' 10361-2641 BU 411 distance=126' 10384-2640 RST 500 distance=128' 10383-2639 DAM2470 distance=130' 10328-2644 DAM2417 distance=133' 10315-3042 DAM2401 distance=134' 10464-2810 HJ 4365 distance=135' 10312-3041 TDS7314 distance=135' 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 10366-2846 I 857 265 0.3
Show 10365-2827 RSS 241 AB 46 9.5 20
Show 10375-2818 RST1517 44 2.9 31
Show 10345-2859 LDS5712 236 192.0 32
Show 10392-2852 DAM2472 132 9.4 35
Show 10393-2855 TDS7393 172 0.6 37
Show 10362-2927 DAM2449 113 2.3 41
Show 10359-2930 TDS7368 252 1.1 45
Show 10369-2800 UC 1966 40 30.7 47
Show 10355-2941 LDS 309 37 5.2 58
Show 10321-2828 RST 494 129 0.4 63
Show 10381-2746 SHN 137 -1 0.0 65
Show 10373-2951 TOK 539 249 999.9 66
Show 10381-2744 DAM2469 13 8.9 66
Show 10343-2949 TDS7342 105 3.6 70
Show 10374-2959 DAM2461 222 7.5 74
Show 10355-2959 TDS7359 AB 147 0.4 74
Show 10355-2959 DAM2440 AB,C 109 8.4 74
Show 10354-3003 DAM2437 54 4.6 79
Show 10398-2728 B 202 316 2.6 89
Show 10297-2858 LDS3995 35 2.7 91
Show 10435-2904 LAF 40 AB 236 9.8 93
Show 10306-2947 UC 1944 61 42.6 99
Show 10425-2745 RST1522 99 1.1 99
Show 10356-3025 DAM2441 90 3.3 100
Show 10337-3019 I 1201 166 3.5 101
Show 10291-2829 B 200 198 4.7 101
Show 10357-3026 DAM2442 85 3.1 101
Show 10362-3029 HJ 4336 59 4.4 104
Show 10364-3034 DAM2452 341 3.0 109
Show 10429-2732 RST5348 195 1.8 112
Show 10445-2801 LDS5716 13 197.2 114
Show 10333-2659 B 2250 AB 32 3.8 116
Show 10333-2659 B 2250 AC 36 8.1 116
Show 10288-2944 SKF1894 310 15.6 118
Show 10287-2753 RST1511 221 4.4 118
Show 10321-3028 CBL 136 30 14.5 118
Show 10300-3009 TDS7301 161 1.0 120
Show 10276-2824 RST1510 73 0.4 120
Show 10415-2705 B 203 15 1.0 121
Show 10451-2757 KPP 732 280 6.4 123
Show 10427-3019 BRT2981 22 4.1 124
Show 10354-3050 NSN 304 227 6.7 125
Show 10433-2720 TDS7433 353 2.4 125
Show 10361-2641 BU 411 303 1.3 126
Show 10384-2640 RST 500 332 1.6 128
Show 10383-2639 DAM2470 31 5.3 130
Show 10328-2644 DAM2417 29 1.5 133
Show 10315-3042 DAM2401 197 1.2 134
Show 10464-2810 HJ 4365 102 16.8 135
Show 10312-3041 TDS7314 28 1.9 135

 
 
WDS 10366-2846 : COMPONENTS
 
 
  A
B pa=263.8°
sep=0.25"
 
 
10366-2846 A
 
 
Componente originario normalizzato AB Name HD 91955 Coord arcsec 2000 103635.40-284618.6 Mag 7.42
Spectral class A1V (white) PmRA -30.00 PmDE 9.0 SAO 179025
HIP 51936 Tycho2 6645-01605-1 HD 91955 GC 14588
CD CD-28 8306 CP CP-28 4161
Tycho2
Tycho2 6645-01605-1 Pflag RAmdeg 159.14741447 DEmdeg -28.77181967
PmRA -35.4 PmDE 7.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.07 EpDEm 1991.21
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 6.926 E BTmag 0.015 VTmag 6.855
E VTmag 0.010 Prox 999 TYC T HIP 51936
CCDM AB RAdeg 159.14750944 DEdeg -28.77183611 EpRA 1990 1.52
EpDE 1990 1.58 E RAdeg 3.8 E DEdeg 4.0 Posflg P
Corr 0.2
SAO
SAO 179025 DelFlag RA1950 PmRA1950 -0.0026
DE1950 PmDE1950 0.011 Vmag 6.8 SpType A0
Double code Source 70 CatNum 14588 DM CD-28 8306
DMcomp BDsup HD 91955 M HD 0
GC 14588 RA1950rad 2.76743157 DE1950rad -0.49763258 PmRA2000 -0.0024
PmDE2000 0.015
Hipparcos
Catalog H HIP 51936 Proxy H RAhms 10 36 35.40
DEdms -28 46 18.6 Vmag 6.83 VarFlag R Vmag G
RAdeg 159.148 DEdeg -28.7718 AstroRef * Plx 7.94
CCDM 10366-2846 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 263 Rho 0.262 HD 91955 BD
CD CD-28 8306 CP CP-28 4161 Dm number -28 8306 VIred 0.08
SpType A2V R SpType Coord arcsec 2000 103635.40-284618.6
Hipparcos 2
HIP 51936 Sn 55 So 3 Nc 2
RArad 2.7776480151 DErad -0.5021632862 Plx 6.06 PmRA -36.19
PmDE 9.71 E RArad 0.47 E DErad 0.41 E Plx 0.71
E pmRA 0.49 E pmDE 0.54 Hpmag 6.866 E Hpmag 0.0012
SHp 0.009 VA 0 BV 0.066 E BV 0.004
VI 0.08
CCDM
Ccdm 10366-2846 RComp Comp A Note1
Note2 Discov num DRAs -0.57 DDEs -17.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp A0 PmNote *
PmRA -27 PmDE 13 Dm number -28 8306 Cat1 CD
Name2 179025 Cat2 SAO HD 91955 M HD
ADS BDS A 7852 M ADS BDS N IDS IDS 10319S2815A
HIC 51936
 
 
10366-2846 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 103635.38-284618.6 Mag 7.86 Calc delta mag 0.44
Calc coord yes
CCDM
Ccdm 10366-2846 RComp Comp B Note1
Note2 Discov num I 857 DRAs DDEs
R dRAs Year 1954 Theta 284 Rho 0.3
Obs 11 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7852 M ADS BDS N IDS IDS 10319S2815B
HIC 51936