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Doubles in session


Current system
01265+1812
HDS 187
HD 8739


Nearby doubles
26' : 01249+1802
LDS3274

36' : 01240+1812
KPP 70

44' : 01245+1740
BPM 29

49' : 01299+1818
LDS3287

49' : 01283+1731
GWP 194

73' : 01284+1705
BDT 1

74' : 01220+1848
GWP 175

82' : 01227+1712
STTA 16

82' : 01208+1813
A 2212

93' : 01312+1709
SKF1602

96' : 01309+1700
UC 570

96' : 01231+1649
JNS 1

105' : 01240+1950
HO 309AB

106' : 01335+1739
COU 35

106' : 01334+1734
AHD 22AB

107' : 01195+1850
GWP 169

110' : 01321+1657
STF 132AB

114' : 01277+1620
BPM 32

115' : 01203+1926
LDS3263

119' : 01292+2004
A 2214

121' : 01186+1853
COU 34

123' : 01325+1645
BPMA 1

134' : 01181+1913
CVR 379

134' : 01311+2009
KPP 16

137' : 01329+1954
LDS3289

139' : 01171+1739
BPM 26



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.

01265+1812 HDS 187 (HD 8739)

 
 
01h 26m 31.13s +18° 12' 11.1" P.A. 290.00 sep 0.3 mag 8.79,11.72 Sp K0 dist. 364.96 pc (1190.5 l.y.)
 
 
Coord 2000 01265+1812 Discov num HDS 187 Comp Coord arcsec 2000 01 26 31.13 +18 12 11.1
Date first 1991 Date last 2007 Obs 2
Pa first 280 Pa last 290.4 P.A. Now (θ) 290.4°
Sep first 0.3 Sep last 0.292 Sep. Now (ρ) 0.292"
Mag pri 8.79 Mag sec 11.72 delta mag (ΔM) 2.93 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 8739 Constellation Pisces SAO 92442 HIP 6722
Tycho2 1201-01048-1 Gaia DR2 2593874717358447232 HD 8739 BD BD+17 206
Distance 364.96 Distance ly 1190.5
 
 
WDS 01265+1812 HDS 187 (HD 8739) : NOTES
 
 
discov_num notes refcode
HDS 187 Also a spectroscopic binary with P = 3087d which cannot be the visual Grf2015b
pair.
 
 
REFERENCES
 
 
refcode metd author reference
Grf2015b not - Griffin, R.F. 2015Obs...135..122G
Grf2015b Observatory 135, 122, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 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
01265+1812 HDS 187 1991 1 280 0.3 8.79 11.72 K0 D 012631.13+181211.1
01265+1812 HDS 187 2007 2 290 0.3 8.79 11.72 K0 D 012631.13+181211.1

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

 
 
WDS 01265+1812 HDS 187 (HD 8739) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01265+1812 HDS 187 (HD 8739) : MEASURES
 
 
No records found.

 
 
WDS 01265+1812 (HD 8739) : VIRTUAL EYEPIECE
 
 

01265+1812 HDS 187A mag 8.79 Sp K0 01265+1812 HDS 187B sep 0.3 P.A. 291.40 mag 11.72 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 01265+1812 (HD 8739) : ALADIN DSS IMAGE @ 01h 26m 31.13s +18° 12' 11.1"
 
 
 
 
WDS 01265+1812 HDS 187 (HD 8739) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01265+1812 HDS 187 distance=0' 01249+1802 LDS3274 distance=26' 01240+1812 KPP 70 distance=36' 01245+1740 BPM 29 distance=44' 01299+1818 LDS3287 distance=49' 01283+1731 GWP 194 distance=49' 01284+1705 BDT 1 distance=73' 01220+1848 GWP 175 distance=74' 01227+1712 STTA 16 distance=82' 01208+1813 A 2212 distance=82' 01312+1709 SKF1602 distance=93' 01309+1700 UC 570 distance=96' 01231+1649 JNS 1 distance=96' 01240+1950 HO 309AB distance=105' 01240+1950 HO 309AC distance=105' 01240+1950 LV 15AD distance=105' 01335+1739 COU 35 distance=106' 01334+1734 AHD 22AB distance=106' 01334+1734 AHD 22AC distance=106' 01195+1850 GWP 169 distance=107' 01321+1657 STF 132AB distance=110' 01321+1657 STF 132AC distance=110' 01321+1657 STF 132AD distance=110' 01321+1657 STF 132AE distance=110' 01321+1657 GAA 19Aa,Ab distance=110' 01321+1657 STF 132DF distance=112' 01277+1620 BPM 32 distance=114' 01203+1926 LDS3263 distance=115' 01292+2004 A 2214 distance=119' 01186+1853 COU 34 distance=121' 01325+1645 BPMA 1 distance=123' 01181+1913 CVR 379 distance=134' 01311+2009 KPP 16 distance=134' 01329+1954 LDS3289 distance=137' 01171+1739 BPM 26 distance=139' 01166+1831 HDS 169 distance=143' 01275+1546 BPM 31 distance=148' 01179+1943 NSN 14AB distance=152' 01242+1543 LDS3273 distance=152' 01373+1828 GWP 204 distance=155' 01377+1836 COU 254 distance=161' 01376+1727 GWP 205 distance=165' 01211+1540 J 227 distance=170' 01276+2104 COU 148 distance=173' 01266+2108 BRT2305 distance=177' 01138+1759 SKF 22 distance=183' 01374+1955 A 2319 distance=185' 01383+1930 GRV 94 distance=186' 01315+1521 BU 506 (Alpherg) distance=186' 01192+1538 J 226 distance=187' 01259+1505 GRV1167 distance=187' 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 01265+1812 HDS 187 290 0.3
Show 01249+1802 LDS3274 262 30.2 26
Show 01240+1812 KPP 70 296 3.8 36
Show 01245+1740 BPM 29 168 89.5 44
Show 01299+1818 LDS3287 307 17.4 49
Show 01283+1731 GWP 194 122 174.4 49
Show 01284+1705 BDT 1 269 0.4 73
Show 01220+1848 GWP 175 36 21.3 74
Show 01227+1712 STTA 16 137 72.0 82
Show 01208+1813 A 2212 214 1.3 82
Show 01312+1709 SKF1602 184 178.9 93
Show 01309+1700 UC 570 47 31.9 96
Show 01231+1649 JNS 1 19 4.3 96
Show 01240+1950 HO 309 AB 22 3.2 105
Show 01240+1950 HO 309 AC 93 47.4 105
Show 01240+1950 LV 15 AD 51 38.6 105
Show 01335+1739 COU 35 117 9.5 106
Show 01334+1734 AHD 22 AB 154 22.8 106
Show 01334+1734 AHD 22 AC 273 9.2 106
Show 01195+1850 GWP 169 94 78.8 107
Show 01321+1657 STF 132 AB 342 63.8 110
Show 01321+1657 STF 132 AC 249 67.7 110
Show 01321+1657 STF 132 AD 109 114.5 110
Show 01321+1657 STF 132 AE 307 11.0 110
Show 01321+1657 GAA 19 Aa,Ab 91 0.0 110
Show 01321+1657 STF 132 DF 289 5.2 112
Show 01277+1620 BPM 32 101 89.8 114
Show 01203+1926 LDS3263 74 196.3 115
Show 01292+2004 A 2214 216 0.7 119
Show 01186+1853 COU 34 24 10.8 121
Show 01325+1645 BPMA 1 79 247.8 123
Show 01181+1913 CVR 379 6 14.3 134
Show 01311+2009 KPP 16 330 6.0 134
Show 01329+1954 LDS3289 346 89.5 137
Show 01171+1739 BPM 26 353 98.0 139
Show 01166+1831 HDS 169 219 0.6 143
Show 01275+1546 BPM 31 316 14.4 148
Show 01179+1943 NSN 14 AB 119 3.9 152
Show 01242+1543 LDS3273 316 67.8 152
Show 01373+1828 GWP 204 150 17.2 155
Show 01377+1836 COU 254 23 1.6 161
Show 01376+1727 GWP 205 319 31.7 165
Show 01211+1540 J 227 179 3.4 170
Show 01276+2104 COU 148 247 1.2 173
Show 01266+2108 BRT2305 280 3.0 177
Show 01138+1759 SKF 22 212 4.7 183
Show 01374+1955 A 2319 202 0.9 185
Show 01383+1930 GRV 94 145 54.8 186
Show Alpherg 01315+1521 BU 506 62 0.6 186
Show 01192+1538 J 226 63 5.0 187
Show 01259+1505 GRV1167 232 15.9 187

 
 
WDS 01265+1812 : COMPONENTS
 
 
  A
B pa=291.4°
sep=0.28"
 
 
01265+1812 A
 
 
Componente originario normalizzato AB Name HD 8739 Coord arcsec 2000 012631.13+181211.1 Mag 8.79
Spectral class K0 (yellow-orange) PmRA -3.00 PmDE -8.0 SAO 92442
HIP 6722 Tycho2 1201-01048-1 HD 8739 BD BD+17 206
Tycho2
Tycho2 1201-01048-1 Pflag RAmdeg 21.62970740 DEmdeg 18.20305759
PmRA -3.4 PmDE -7.7 E RAmdeg 8 E DEmdeg 10
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.74 EpDEm 1989.95
Num 14 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.7
Q pmDE 1.4 BTmag 10.128 E BTmag 0.025 VTmag 8.720
E VTmag 0.013 Prox 999 TYC T HIP 6722
CCDM AB RAdeg 21.62971556 DEdeg 18.20307500 EpRA 1990 1.86
EpDE 1990 1.91 E RAdeg 7.8 E DEdeg 10.0 Posflg P
Corr -0.2
SAO
SAO 92442 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0.002 Vmag 8.6 SpType K0
Double code Source 28 CatNum 414 DM BD+17 206
DMcomp BDsup HD 8739 M HD 0
GC RA1950rad 0.36575425 DE1950rad 0.31318058 PmRA2000 -0.0002
PmDE2000 -0.002
Hipparcos
Catalog H HIP 6722 Proxy H RAhms 01 26 31.13
DEdms +18 12 11.1 Vmag 8.57 VarFlag R Vmag G
RAdeg 21.6297 DEdeg 18.2031 AstroRef A Plx 3.97
CCDM 01265+1812 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 280 Rho 0.32 HD 8739 BD BD+17 206
CD CP Dm number +17 206 VIred 1.19
SpType K0 R SpType Coord arcsec 2000 012631.13+181211.1
Hipparcos 2
HIP 6722 Sn 15 So 3 Nc 2
RArad 0.3775098483 DErad 0.3177036053 Plx 2.74 PmRA -2.63
PmDE -7.4 E RArad 0.9 E DErad 0.58 E Plx 1.06
E pmRA 1.12 E pmDE 0.61 Hpmag 8.7169 E Hpmag 0.0016
SHp 0.017 VA 0 BV 1.23 E BV 0.015
VI 1.19
CCDM
Ccdm 01265+1812 RComp Comp A Note1
Note2 Discov num DRAs 1.13 DDEs 11.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.8 Sp K0 PmNote *
PmRA -3 PmDE -8 Dm number +17 206 Cat1 BD
Name2 +17 119 Cat2 AGK2/3 HD 8739 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 6722
 
 
01265+1812 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 012631.11+181211.2 Mag 11.72 Calc delta mag 2.93
Calc coord yes
CCDM
Ccdm 01265+1812 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.11 DDEs 11.1
R dRAs 82 Year 1991 Theta 280 Rho 0.3
Obs 1 Vmag 11.7 Sp PmNote *
PmRA -3 PmDE -8 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 6722