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Doubles in session


Current system
01236-2421
SE 1
HD 8487


Nearby doubles
21' : 01250-2430
SKF2151AB

22' : 01228-2440
BWL 63

29' : 01218-2408
SEE 13

60' : 01245-2519
B 18

65' : 01189-2406
LDS2184

77' : 01291-2410
SKF 334

80' : 01178-2431
TDS1833

81' : 01276-2520
I 444

86' : 01185-2511
YSC 82

87' : 01219-2545
HJ 2040AB

87' : 01184-2332
LDS2182AB

89' : 01282-2319
RAO 533

89' : 01182-2330
SKF1371

95' : 01188-2529
NSN 236

96' : 01241-2246
B 17

100' : 01189-2304
LDS2183

106' : 01312-2436
SKF2153

109' : 01275-2556
SKF1266

110' : 01186-2255
FAR 24

112' : 01171-2314
HWE 3

112' : 01232-2230
TDS1861

115' : 01187-2249
HDO 47

116' : 01248-2614
RST1218

122' : 01261-2618
SWR 2

123' : 01179-2246
KPP2556

126' : 01265-2620
NSC 6



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.

01236-2421 SE 1 (HD 8487)

 
 
01h 23m 34.93s -24° 21' 09.9" P.A. 90.00 sep 3.1 mag 6.83,9.06 Sp A8III dist. 80.84 pc (263.7 l.y.)
 
 
Coord 2000 01236-2421 Discov num SE    1 Comp Coord arcsec 2000 01 23 34.93 -24 21 09.9
Date first 1855 Date last 2016 Obs 30
Pa first 84 Pa last 90 P.A. Now (θ) 90°
Sep first 2.9 Sep last 3.121 Sep. Now (ρ) 3.121"
Mag pri 6.83 Mag sec 9.06 delta mag (ΔM) 2.23 Spectral class A8III (white)
Pri motion ra -027 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 8487 Constellation Cetus SAO 167011 HIP 6507
Tycho2 6425-02392-1 Gaia DR2 5040532666073313664 HD 8487 GC 1688
CD CD-25 555 CP CP-25 148 Distance 80.84 Distance ly 263.7
 
 
WDS 01236-2421 SE 1 (HD 8487) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Se_1855 Ma j Secchi, A. ...................
Se_1855 Observations, 1855-1856
Se_1857 - Secchi, A. 1857AN.....45..251S
Se_1857 AN 45, 251, 1857
Se_1860 Ma - Secchi, A. .
Se_1860 Cat. of 1321 Double Stars, 1860
Se_1868 Ma - Secchi, A. .
Se_1868 Cat. Stellie Doppie Col. Rome, 1868
Se_1863 Ma - Secchi, A. .
Se_1863 Second Series, 1863-1866
Se_1865 Ma j Secchi, A. 1865MNRAS..26...62S
Se_1865 MNRAS 26, 62, 1865
Se_1865B Ma - Secchi, A. 1865AN.....84...81E
Se_1865B cited by Engelmann (AN 64, 81, #1518, 1865)
Se_1866 Ma j Secchi, A. 1866AN.....68...87S
Se_1866 AN 68, 87, 1866
Se_1872 Ma j Secchi, A. & Ferrari, P.G. 1872MNRAS..33...64S
Se_1872 MNRAS 33, 64, 1872
Se_1875 Ma j Secchi, A. .
Se_1875 Atti Acad. Lincei 28, 207, 1875
Se_1884A Ma - Secchi, A. 1884AReg...22..216S
Se_1884A cited by Sadler (Astr. Register 22, 216, 1884)
Se_1906A Ma - Secchi, A. 1906MmRAS..56....1L
Se_1906A cited by Lewis (MemRAS 56, 1, 1906)
Se_1906B Ma - Secchi, A. 1906QB821.B972.....
Se_1906B cited in BDS (Burnham Double Star Cat., 1906)
Se_1932A Ma - Secchi, A. 1932QB821.A43......
Se_1932A cited in ADS (Aitken Double Star Cat.), 1932
Se_1937A Ma - Secchi, A. 1937AnLei..18....1S
Se_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01236-2421 SE 1 2001 26 89 3.1 6.83 9.06 A8III D 012334.93-242109.9
01236-2421 SE 1 2015 28 90 3.1 6.83 9.06 A8III 012334.93-242109.9
01236-2421 SE 1 2016 30 90 3.1 6.83 9.06 A8III 012334.93-242109.9

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

 
 
WDS 01236-2421 SE 1 (HD 8487) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01236-2421 SE 1 (HD 8487) : MEASURES
 
 
No records found.

 
 
WDS 01236-2421 (HD 8487) : VIRTUAL EYEPIECE
 
 

01236-2421 SE 1A mag 6.83 Sp A8III 01236-2421 SE 1B mag 9.06 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 01236-2421 (HD 8487) : ALADIN DSS IMAGE @ 01h 23m 34.93s -24° 21' 09.9"
 
 
 
 
WDS 01236-2421 SE 1 (HD 8487) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01236-2421 SE 1 distance=0' 01250-2430 SKF2151AB distance=21' 01228-2440 BWL 63 distance=22' 01250-2430 YSC 83Ba,Bb distance=22' 01218-2408 SEE 13 distance=29' 01245-2519 B 18 distance=60' 01189-2406 LDS2184 distance=65' 01291-2410 SKF 334 distance=77' 01178-2431 TDS1833 distance=80' 01276-2520 I 444 distance=81' 01185-2511 YSC 82 distance=86' 01219-2545 HJ 2040AB distance=87' 01219-2545 HJ 2040AC distance=87' 01184-2332 SKF1372AC distance=87' 01184-2332 LDS2182AB distance=87' 01282-2319 RAO 533 distance=89' 01182-2330 SKF1371 distance=89' 01188-2529 NSN 236 distance=95' 01241-2246 B 17 distance=96' 01189-2304 LDS2183 distance=100' 01312-2436 SKF2153 distance=106' 01275-2556 SKF1266 distance=109' 01186-2255 FAR 24 distance=110' 01171-2314 HWE 3 distance=112' 01232-2230 TDS1861 distance=112' 01187-2249 HDO 47 distance=115' 01248-2614 RST1218 distance=116' 01261-2618 SWR 2 distance=122' 01179-2246 KPP2556 distance=123' 01265-2620 NSC 6 distance=126' 01298-2556 KPP2447 distance=127' 01262-2625 UC 557 distance=130' 01141-2427 TDS1810 distance=130' 01268-2623 TDS1879 distance=130' 01274-2220 RST2261 distance=132' 01318-2531 B 20 distance=132' 01333-2411 LDS2209AB distance=133' 01333-2411 LAF 25AC distance=133' 01333-2411 LAF 25AD distance=133' 01262-2212 SKF 201 distance=135' 01198-2214 LDS2186 distance=138' 01147-2314 LDS2177 distance=138' 01300-2231 I 445A,BC distance=141' 01155-2549 RST1210 distance=141' 01300-2231 I 445BC distance=142' 01132-2433 UC 521 distance=143' 01304-2612 BU 1230 distance=145' 01187-2630 SEE 11AB distance=145' 01187-2630 TOK 182Ba,Bb distance=145' 01242-2157 SKF2150 distance=145' 01151-2254 HWE 2 distance=146' 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 01236-2421 SE 1 90 3.1
Show 01250-2430 SKF2151 AB 54 145.4 21
Show 01228-2440 BWL 63 217 1.4 22
Show 01250-2430 YSC 83 Ba,Bb 119 0.3 22
Show 01218-2408 SEE 13 177 1.3 29
Show 01245-2519 B 18 329 0.2 60
Show 01189-2406 LDS2184 64 85.0 65
Show 01291-2410 SKF 334 249 20.1 77
Show 01178-2431 TDS1833 44 0.6 80
Show 01276-2520 I 444 99 0.6 81
Show 01185-2511 YSC 82 264 0.1 86
Show 01219-2545 HJ 2040 AB 4 14.1 87
Show 01219-2545 HJ 2040 AC 257 30.7 87
Show 01184-2332 SKF1372 AC 311 102.7 87
Show 01184-2332 LDS2182 AB 66 7.0 87
Show 01282-2319 RAO 533 355 1.1 89
Show 01182-2330 SKF1371 235 118.4 89
Show 01188-2529 NSN 236 203 4.4 95
Show 01241-2246 B 17 47 0.5 96
Show 01189-2304 LDS2183 158 32.2 100
Show 01312-2436 SKF2153 253 58.0 106
Show 01275-2556 SKF1266 124 8.1 109
Show 01186-2255 FAR 24 10 1.1 110
Show 01171-2314 HWE 3 288 7.8 112
Show 01232-2230 TDS1861 131 1.8 112
Show 01187-2249 HDO 47 62 9.6 115
Show 01248-2614 RST1218 336 5.0 116
Show 01261-2618 SWR 2 82 44.4 122
Show 01179-2246 KPP2556 249 23.1 123
Show 01265-2620 NSC 6 216 7.9 126
Show 01298-2556 KPP2447 257 21.5 127
Show 01262-2625 UC 557 326 22.8 130
Show 01141-2427 TDS1810 35 0.5 130
Show 01268-2623 TDS1879 302 1.4 130
Show 01274-2220 RST2261 342 0.7 132
Show 01318-2531 B 20 36 0.2 132
Show 01333-2411 LDS2209 AB 220 335.9 133
Show 01333-2411 LAF 25 AC 309 5.5 133
Show 01333-2411 LAF 25 AD 121 6.7 133
Show 01262-2212 SKF 201 114 2.7 135
Show 01198-2214 LDS2186 228 9.9 138
Show 01147-2314 LDS2177 290 14.3 138
Show 01300-2231 I 445 A,BC 40 69.8 141
Show 01155-2549 RST1210 143 0.4 141
Show 01300-2231 I 445 BC 355 2.1 142
Show 01132-2433 UC 521 108 68.1 143
Show 01304-2612 BU 1230 229 3.2 145
Show 01187-2630 SEE 11 AB 300 1.5 145
Show 01187-2630 TOK 182 Ba,Bb 218 0.4 145
Show 01242-2157 SKF2150 348 11.0 145
Show 01151-2254 HWE 2 141 15.0 146

 
 
WDS 01236-2421 : COMPONENTS
 
 
  A
B pa=0.0°
sep=0.00"
 
 
01236-2421 A
 
 
Componente originario normalizzato AB Name HD 8487 Coord arcsec 2000 012334.93-242109.9 Mag 6.83
Spectral class A8III (white) PmRA -27.00 PmDE 5.0 SAO 167011
HIP 6507 Tycho2 6425-02392-1 HD 8487 GC 1688
CD CD-25 555 CP CP-25 148
Tycho2
Tycho2 6425-02392-1 Pflag RAmdeg 20.89552984 DEmdeg -24.35276185
PmRA -27.3 PmDE 5.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.38 EpDEm 1991.13
Num 11 Q RAmdeg 3.5 Q DEmdeg 1.5 Q pmRA 3.5
Q pmDE 1.5 BTmag 7.042 E BTmag 0.015 VTmag 6.826
E VTmag 0.010 Prox 31 TYC T HIP 6507
CCDM A RAdeg 20.89559806 DEdeg -24.35277361 EpRA 1990 1.73
EpDE 1990 1.45 E RAdeg 3.7 E DEdeg 3.9 Posflg D
Corr -0.1
SAO
SAO 167011 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 0.004 Vmag 6.8 SpType A5
Double code Source 70 CatNum 1688 DM CD-25 555
DMcomp BDsup HD 8487 M HD 0
GC 1688 RA1950rad 0.35429797 DE1950rad -0.42958891 PmRA2000 -0.0014
PmDE2000 0
Hipparcos
Catalog H HIP 6507 Proxy H RAhms 01 23 34.94
DEdms -24 21 10.0 Vmag 6.66 VarFlag R Vmag H
RAdeg 20.8956 DEdeg -24.3528 AstroRef A Plx 11.16
CCDM 01236-2421 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 89 Rho 3.033 HD 8487 BD
CD CD-25 555 CP CP-25 148 Dm number -25 555 VIred 0.27
SpType A9V R SpType Coord arcsec 2000 012334.94-242110.0
Hipparcos 2
HIP 6507 Sn 15 So 3 Nc 2
RArad 0.3646970402 DErad -0.4250361011 Plx 12.37 PmRA -19.51
PmDE 4.2 E RArad 0.47 E DErad 0.44 E Plx 0.77
E pmRA 0.78 E pmDE 0.47 Hpmag 6.7241 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.24 E BV 0.007
VI 0.27
CCDM
Ccdm 01236-2421 RComp Comp A Note1
Note2 Discov num DRAs -1.06 DDEs -10.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp A5 PmNote *
PmRA -20 PmDE 4 Dm number -25 555 Cat1 CD
Name2 167011 Cat2 SAO HD 8487 M HD
ADS BDS A 1113 M ADS BDS N IDS IDS 01188S2453A
HIC 6507
 
 
01236-2421 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 012335.14-242109.9 Mag 9.06 Calc delta mag 2.23
Calc coord yes
CCDM
Ccdm 01236-2421 RComp Comp B Note1
Note2 Discov num SE 1 DRAs DDEs
R dRAs Year 1945 Theta 085 Rho 2.7
Obs 16 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1113 M ADS BDS N IDS IDS 01188S2453B
HIC 6507