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Doubles in session


Current system
01257-5920
HDS 186
HD 8844


Nearby doubles
4' : 01260-5917
TDS1877

11' : 01253-5930
HJ 3435AB

21' : 01287-5920
LDS 50

38' : 01532-5935
TOI 212AB

39' : 01241-5957
KPP 645

43' : 01308-5940
TOK 183

46' : 01314-5907
HLN 2

51' : 01233-5833
HJ 3434

64' : 01176-5912
UC 537AB

64' : 01341-5919
HJ 3446

87' : 01220-5759
HDS 177

94' : 01150-6007
FIN 79

101' : 01127-5915
UC 518

102' : 01282-6100
LDS 49

104' : 01328-5752
UC 576

108' : 01135-6015
JSP 21

112' : 01389-5835
HU 1553

113' : 01355-6045
JSP 858

113' : 01234-5729
CVN 35

118' : 01177-6102
KPP3450

120' : 01394-5824
TDS1943

125' : 01108-5835
UC 512

126' : 01099-5848
JSP 20

127' : 01205-5720
HJ 3430AB

128' : 01147-5747
SKF1514

129' : 01093-5951
UC 507



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.

01257-5920 HDS 186 (HD 8844)

 
 
01h 25m 44.18s -59° 20' 04.6" P.A. 248.00 sep 1.0 mag 8.75,12.20 Sp G6III dist. 518.13 pc (1690.14 l.y.)
 
 
Coord 2000 01257-5920 Discov num HDS 186 Comp Coord arcsec 2000 01 25 44.18 -59 20 04.6
Date first 1991 Date last 2016 Obs 4
Pa first 249 Pa last 247.5 P.A. Now (θ) 247.5°
Sep first 1.0 Sep last 1.046 Sep. Now (ρ) 1.046"
Mag pri 8.75 Mag sec 12.20 delta mag (ΔM) 3.45 Spectral class G6III (yellow)
Pri motion ra +041 Sec motion ra +043
Pri motion dec +002 Sec motion dec +001
Notes
rPM=0.052 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 8844 Constellation Hydrus SAO 232422 HIP 6684
Tycho2 8480-01138-1 Gaia DR2 4716933161223894400 HD 8844 CP CP-59 96
Distance 518.13 Distance ly 1690.14
 
 
WDS 01257-5920 HDS 186 (HD 8844) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01257-5920 HDS 186 1991 2 250 1.0 8.75 12.20 G6III 012544.18-592004.6
01257-5920 HDS 186 2016 3 248 1.0 8.75 12.20 G6III 012544.18-592004.6

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

 
 
WDS 01257-5920 HDS 186 (HD 8844) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01257-5920 HDS 186 (HD 8844) : MEASURES
 
 
No records found.

 
 
WDS 01257-5920 (HD 8844) : VIRTUAL EYEPIECE
 
 

01257-5920 HDS 186A mag 8.75 Sp G6III 01257-5920 HDS 186B sep 0.6 P.A. 230.90 mag 12.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 01257-5920 (HD 8844) : ALADIN DSS IMAGE @ 01h 25m 44.18s -59° 20' 04.6"
 
 
 
 
WDS 01257-5920 HDS 186 (HD 8844) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01257-5920 HDS 186 distance=0' 01260-5917 TDS1877 distance=4' 01253-5930 HJ 3435AB distance=11' 01287-5920 LDS 50 distance=21' 01532-5935 TOI 212Aa,Ab distance=38' 01532-5935 TOI 212AB distance=38' 01241-5957 KPP 645 distance=39' 01308-5940 TOK 183 distance=43' 01314-5907 HLN 2 distance=46' 01233-5833 HJ 3434 distance=51' 01176-5912 TDS1831Aa,Ab distance=64' 01176-5912 UC 537AB distance=64' 01341-5919 HJ 3446 distance=64' 01220-5759 HDS 177 distance=87' 01150-6007 FIN 79 distance=94' 01127-5915 UC 518 distance=101' 01282-6100 LDS 49 distance=102' 01328-5752 UC 576 distance=104' 01135-6015 JSP 21 distance=108' 01389-5835 HU 1553 distance=112' 01355-6045 JSP 858 distance=113' 01234-5729 CVN 35 distance=113' 01177-6102 KPP3450 distance=118' 01394-5824 TDS1943 distance=120' 01108-5835 UC 512 distance=125' 01099-5848 JSP 20 distance=126' 01205-5720 HJ 3430AB distance=127' 01205-5720 TOK 454AC distance=127' 01147-5747 SKF1514 distance=128' 01093-5951 UC 507 distance=129' 01341-6114 JSP 22 distance=130' 01228-5712 WIS 29 distance=131' 01429-5908 JSP 24 distance=133' 01362-5731 I 714 distance=137' 01270-5702 TDS1880 distance=139' 01096-5818 B 1029 distance=141' 01096-4616 GAA 5 distance=141' 01448-5935 TDS1982 distance=147' 01114-6100 KPP 636 distance=147' 01331-6137 RST2263 distance=148' 01261-5650 BRT2529 distance=150' 01160-5709 RST 28 distance=153' 01342-5700 HU 1345 distance=156' 01058-5959 R 5 distance=157' 01377-5714 KRV 54 distance=158' 01432-5801 HDS 229AB distance=158' 01432-5801 SKF 417AC distance=158' 01061-5829 JSP 857 distance=161' 01373-6140 TDS1933 distance=165' 01455-6035 JSP9001AB distance=167' 01455-6035 BAU 8AC 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 01257-5920 HDS 186 248 1.0
Show 01260-5917 TDS1877 148 0.4 4
Show 01253-5930 HJ 3435 AB 1 25.1 11
Show 01287-5920 LDS 50 358 4.3 21
Show 01532-5935 TOI 212 Aa,Ab 358 0.3 38
Show 01532-5935 TOI 212 AB 292 1.0 38
Show 01241-5957 KPP 645 97 5.8 39
Show 01308-5940 TOK 183 175 0.1 43
Show 01314-5907 HLN 2 252 2.0 46
Show 01233-5833 HJ 3434 106 7.2 51
Show 01176-5912 TDS1831 Aa,Ab 346 0.4 64
Show 01176-5912 UC 537 AB 202 44.8 64
Show 01341-5919 HJ 3446 311 22.2 64
Show 01220-5759 HDS 177 298 1.5 87
Show 01150-6007 FIN 79 222 2.3 94
Show 01127-5915 UC 518 142 31.8 101
Show 01282-6100 LDS 49 113 71.7 102
Show 01328-5752 UC 576 125 27.6 104
Show 01135-6015 JSP 21 191 0.8 108
Show 01389-5835 HU 1553 9 2.1 112
Show 01355-6045 JSP 858 338 6.9 113
Show 01234-5729 CVN 35 322 10.8 113
Show 01177-6102 KPP3450 325 53.9 118
Show 01394-5824 TDS1943 178 0.8 120
Show 01108-5835 UC 512 32 19.0 125
Show 01099-5848 JSP 20 15 2.8 126
Show 01205-5720 HJ 3430 AB 224 3.2 127
Show 01205-5720 TOK 454 AC 129 999.9 127
Show 01147-5747 SKF1514 327 28.4 128
Show 01093-5951 UC 507 256 45.8 129
Show 01341-6114 JSP 22 307 5.3 130
Show 01228-5712 WIS 29 45 522.8 131
Show 01429-5908 JSP 24 236 0.7 133
Show 01362-5731 I 714 10 1.2 137
Show 01270-5702 TDS1880 266 0.6 139
Show 01096-5818 B 1029 161 4.5 141
Show 01096-4616 GAA 5 14 0.0 141
Show 01448-5935 TDS1982 233 1.3 147
Show 01114-6100 KPP 636 352 5.8 147
Show 01331-6137 RST2263 177 0.7 148
Show 01261-5650 BRT2529 123 3.9 150
Show 01160-5709 RST 28 216 0.5 153
Show 01342-5700 HU 1345 200 5.5 156
Show 01058-5959 R 5 194 22.5 157
Show 01377-5714 KRV 54 309 0.3 158
Show 01432-5801 HDS 229 AB 355 16.7 158
Show 01432-5801 SKF 417 AC 103 25.3 158
Show 01061-5829 JSP 857 348 5.7 161
Show 01373-6140 TDS1933 196 4.6 165
Show 01455-6035 JSP9001 AB 233 6.2 167
Show 01455-6035 BAU 8 AC 93 50.9 167

 
 
WDS 01257-5920 : COMPONENTS
 
 
  A
B pa=230.9°
sep=0.63"
 
 
01257-5920 A
 
 
Componente originario normalizzato AB Name HD 8844 Coord arcsec 2000 012544.18-592004.6 Mag 8.75
Spectral class G6III (yellow) PmRA 41.00 PmDE 2.0 SAO 232422
HIP 6684 Tycho2 8480-01138-1 HD 8844 CP CP-59 96
Tycho2
Tycho2 8480-01138-1 Pflag RAmdeg 21.43408246 DEmdeg -59.33461617
PmRA 40.5 PmDE 2.1 E RAmdeg 9 E DEmdeg 8
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.78 EpDEm 1990.29
Num 11 Q RAmdeg 0.7 Q DEmdeg 1.4 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.796 E BTmag 0.022 VTmag 8.747
E VTmag 0.014 Prox 10 TYC T HIP 6684
CCDM A RAdeg 21.43389750 DEdeg -59.33462083 EpRA 1990 1.63
EpDE 1990 1.66 E RAdeg 9.2 E DEdeg 8.4 Posflg
Corr 0.1
SAO
SAO 232422 DelFlag RA1950 PmRA1950 0.0053
DE1950 PmDE1950 -0.002 Vmag 8.6 SpType G5
Double code Source 43 CatNum 403 DM CP-59 96
DMcomp BDsup HD 8844 M HD 0
GC RA1950rad 0.36587422 DE1950rad -1.04011553 PmRA2000 0.005
PmDE2000 -0.008
Hipparcos
Catalog H HIP 6684 Proxy H RAhms 01 25 44.13
DEdms -59 20 04.6 Vmag 8.54 VarFlag R Vmag G
RAdeg 21.4339 DEdeg -59.3346 AstroRef A Plx 3.34
CCDM 01257-5920 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 249 Rho 1.03 HD 8844 BD
CD CP CP-59 96 Dm number -59 96 VIred 0.95
SpType G6III R SpType Coord arcsec 2000 012544.13-592004.6
Hipparcos 2
HIP 6684 Sn 15 So 3 Nc 2
RArad 0.3740918835 DErad -1.0355844325 Plx 1.93 PmRA 42.66
PmDE 0.48 E RArad 0.56 E DErad 0.68 E Plx 0.79
E pmRA 0.63 E pmDE 0.75 Hpmag 8.7604 E Hpmag 0.002
SHp 0.018 VA 0 BV 0.97 E BV 0.015
VI 0.95
CCDM
Ccdm 01257-5920 RComp Comp A Note1
Note2 Discov num DRAs 2.18 DDEs -4.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.8 Sp G6 PmNote *
PmRA 42 PmDE 1 Dm number -59 96 Cat1 CPD
Name2 232422 Cat2 SAO HD 8844 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 6684
 
 
01257-5920 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 012544.12-592005.0 Mag 12.2 PmRA 43.00
PmDE 1.0 Calc delta mag 3.45 Calc coord yes
CCDM
Ccdm 01257-5920 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.06 DDEs -5.0
R dRAs 82 Year 1991 Theta 249 Rho 1.0
Obs 1 Vmag 12.2 Sp PmNote *
PmRA 42 PmDE 1 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 6684