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Current system
09256-2520
RST 2627
HD 81542


Nearby doubles
24' : 09274-2524
BRT2969

42' : 09253-2439
TDS6547

59' : 09243-2615
FAL 29

67' : 09285-2426
B 181

68' : 09277-2622
HDS1356

70' : 09291-2429
TSN 151

71' : 09299-2440
RST2632

71' : 09307-2537
HJ 2498

71' : 09305-2454
UC 1806

72' : 09269-2630
LDS3895

73' : 09301-2441
TDS6605

73' : 09203-2519
TDS6489

73' : 09217-2611
ARU 8

75' : 09309-2501
DAM1637

75' : 09310-2507
B 184AB

79' : 09278-2407
KPP2960

82' : 09259-2641
DAM1614

86' : 09313-2556
HDS1368

86' : 09292-2630
UC 1800

86' : 09262-2645
TDS6560

92' : 09322-2539
OL 40

93' : 09229-2355
TDS6518

94' : 09218-2404
ARA2150

94' : 09243-2349
HLD 98

94' : 09216-2405
ARA2149AB

94' : 09282-2353
TDS6580



Selections
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

09256-2520 RST 2627 (HD 81542)

 
 
09h 25m 37.06s -25° 20' 13.6" P.A. 318.00 sep 0.8 mag 6.85,8.89 Sp B9III dist. 220.75 pc (720.09 l.y.)
 
 
Coord 2000 09256-2520 Discov num RST2627 Comp Coord arcsec 2000 09 25 37.06 -25 20 13.6
Date first 1935 Date last 2016 Obs 8
Pa first 309 Pa last 317.6 P.A. Now (θ) 317.6°
Sep first 0.6 Sep last 0.763 Sep. Now (ρ) 0.763"
Mag pri 6.85 Mag sec 8.89 delta mag (ΔM) 2.04 Spectral class B9III (blue-white)
Pri motion ra -023 Sec motion ra -023
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 81542 Constellation Pyxis SAO 177427 HIP 46238
Tycho2 6592-02418-1 Gaia DR2 5662243059208801280 HD 81542 GC 12997
CD CD-24 8060 CP CP-24 4103 Distance 220.75 Distance ly 720.09
 
 
WDS 09256-2520 RST 2627 (HD 81542) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09256-2520 RST2627 1991 6 315 0.3 6.85 8.89 B9III D 092537.06-252013.6
09256-2520 RST2627 2016 8 318 0.8 6.85 8.89 B9III 092537.06-252013.6

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

 
 
WDS 09256-2520 RST 2627 (HD 81542) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09256-2520 RST 2627 (HD 81542) : MEASURES
 
 
No records found.

 
 
WDS 09256-2520 (HD 81542) : VIRTUAL EYEPIECE
 
 

09256-2520 RST2627A mag 6.85 Sp B9III 09256-2520 RST2627B sep 0.7 P.A. 320.50 mag 8.89 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 09256-2520 (HD 81542) : ALADIN DSS IMAGE @ 09h 25m 37.06s -25° 20' 13.6"
 
 
 
 
WDS 09256-2520 RST 2627 (HD 81542) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09256-2520 RST2627 distance=0' 09274-2524 BRT2969 distance=24' 09253-2439 TDS6547 distance=42' 09243-2615 FAL 29 distance=59' 09285-2426 B 181 distance=67' 09277-2622 HDS1356 distance=68' 09291-2429 TSN 151 distance=70' 09299-2440 RST2632 distance=71' 09307-2537 HJ 2498 distance=71' 09305-2454 UC 1806 distance=71' 09269-2630 LDS3895 distance=72' 09301-2441 TDS6605 distance=73' 09203-2519 TDS6489 distance=73' 09217-2611 ARU 8 distance=73' 09309-2501 DAM1637 distance=75' 09310-2507 B 184BC distance=75' 09310-2507 B 184AB distance=75' 09278-2407 KPP2960 distance=79' 09259-2641 DAM1614 distance=82' 09313-2556 HDS1368 distance=86' 09292-2630 UC 1800 distance=86' 09262-2645 TDS6560 distance=86' 09322-2539 OL 40 distance=92' 09229-2355 TDS6518 distance=93' 09218-2404 ARA2150 distance=94' 09243-2349 HLD 98 distance=94' 09216-2405 ARA2149AB distance=94' 09216-2405 ARA2149AC distance=94' 09216-2405 ARA2149BC distance=94' 09282-2353 TDS6580 distance=94' 09299-2635 SEE 113 distance=95' 09326-2535 RST2634 distance=97' 09220-2357 WSP 142 distance=97' 09184-2458 UC 1775 distance=100' 09254-2339 TDS6549 distance=102' 09305-2401 B 183 distance=103' 09252-2337 ARG 22 distance=104' 09189-2433 ARA2311 distance=104' 09238-2340 HDO 123AB distance=104' 09238-2340 HDO 123AC distance=104' 09329-2428 ARA2312 distance=113' 09173-2532 TDS6446 distance=113' 09188-2409 B 2677 distance=117' 09168-2521 DAM1588 distance=120' 09221-2327 TDS 528 distance=123' 09347-2509 B 2220 distance=124' 09165-2518 B 2207 distance=124' 09222-2715 RST1428 distance=125' 09167-2448 JNN 67 distance=126' 09347-2555 RST2638 distance=128' 09202-2337 BRT1476 distance=128' 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 09256-2520 RST2627 318 0.8
Show 09274-2524 BRT2969 110 4.2 24
Show 09253-2439 TDS6547 175 0.4 42
Show 09243-2615 FAL 29 187 16.6 59
Show 09285-2426 B 181 264 0.3 67
Show 09277-2622 HDS1356 306 0.4 68
Show 09291-2429 TSN 151 197 0.4 70
Show 09299-2440 RST2632 157 2.2 71
Show 09307-2537 HJ 2498 33 16.4 71
Show 09305-2454 UC 1806 163 20.3 71
Show 09269-2630 LDS3895 49 21.3 72
Show 09301-2441 TDS6605 209 0.5 73
Show 09203-2519 TDS6489 122 1.1 73
Show 09217-2611 ARU 8 225 0.5 73
Show 09309-2501 DAM1637 287 26.3 75
Show 09310-2507 B 184 BC 130 5.8 75
Show 09310-2507 B 184 AB 331 6.9 75
Show 09278-2407 KPP2960 250 3.2 79
Show 09259-2641 DAM1614 196 2.8 82
Show 09313-2556 HDS1368 324 8.9 86
Show 09292-2630 UC 1800 326 70.7 86
Show 09262-2645 TDS6560 21 2.6 86
Show 09322-2539 OL 40 8 1.4 92
Show 09229-2355 TDS6518 111 0.5 93
Show 09218-2404 ARA2150 170 15.6 94
Show 09243-2349 HLD 98 171 3.1 94
Show 09216-2405 ARA2149 AB 310 5.8 94
Show 09216-2405 ARA2149 AC 321 11.8 94
Show 09216-2405 ARA2149 BC 331 6.2 94
Show 09282-2353 TDS6580 166 2.2 94
Show 09299-2635 SEE 113 131 12.4 95
Show 09326-2535 RST2634 243 0.4 97
Show 09220-2357 WSP 142 314 5.2 97
Show 09184-2458 UC 1775 11 9.4 100
Show 09254-2339 TDS6549 141 0.7 102
Show 09305-2401 B 183 330 4.3 103
Show 09252-2337 ARG 22 278 23.7 104
Show 09189-2433 ARA2311 288 14.6 104
Show 09238-2340 HDO 123 AB 5 4.8 104
Show 09238-2340 HDO 123 AC 189 53.7 104
Show 09329-2428 ARA2312 218 12.1 113
Show 09173-2532 TDS6446 2 0.6 113
Show 09188-2409 B 2677 65 7.7 117
Show 09168-2521 DAM1588 99 1.1 120
Show 09221-2327 TDS 528 16 0.8 123
Show 09347-2509 B 2220 83 21.2 124
Show 09165-2518 B 2207 179 2.5 124
Show 09222-2715 RST1428 51 1.8 125
Show 09167-2448 JNN 67 146 0.1 126
Show 09347-2555 RST2638 120 0.9 128
Show 09202-2337 BRT1476 332 3.5 128

 
 
WDS 09256-2520 : COMPONENTS
 
 
  A
B pa=320.5°
sep=0.73"
 
 
09256-2520 A
 
 
Componente originario normalizzato AB Name HD 81542 Coord arcsec 2000 092537.06-252013.6 Mag 6.85
Spectral class B9III (blue-white) PmRA -23.00 PmDE -2.0 SAO 177427
HIP 46238 Tycho2 6592-02418-1 HD 81542 GC 12997
CD CD-24 8060 CP CP-24 4103
Tycho2
Tycho2 6592-02418-1 Pflag RAmdeg 141.40441367 DEmdeg -25.33709973
PmRA -23.0 PmDE -1.9 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.40 EpDEm 1991.18
Num 17 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.5
Q pmDE 0.8 BTmag 6.675 E BTmag 0.014 VTmag 6.711
E VTmag 0.010 Prox 999 TYC T HIP 46238
CCDM AB RAdeg 141.40447194 DEdeg -25.33709528 EpRA 1990 1.72
EpDE 1990 1.55 E RAdeg 3.4 E DEdeg 3.6 Posflg P
Corr -0.1
SAO
SAO 177427 DelFlag RA1950 PmRA1950 -0.0015
DE1950 PmDE1950 0.018 Vmag 6.9 SpType B9
Double code Source 70 CatNum 12997 DM CD-24 8060
DMcomp BDsup HD 81542 M HD 0
GC 12997 RA1950rad 2.45823516 DE1950rad -0.43842745 PmRA2000 -0.0012
PmDE2000 0.022
Hipparcos
Catalog H HIP 46238 Proxy H RAhms 09 25 37.07
DEdms -25 20 13.6 Vmag 6.72 VarFlag R Vmag H
RAdeg 141.404 DEdeg -25.3371 AstroRef A Plx 5.26
CCDM 09256-2520 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 317 Rho 0.712 HD 81542 BD
CD CD-24 8060 CP CP-24 4103 Dm number -24 8060 VIred -0.01
SpType B9III R SpType Coord arcsec 2000 092537.07-252013.6
Hipparcos 2
HIP 46238 Sn 15 So 3 Nc 2
RArad 2.4679737145 DErad -0.4422157815 Plx 4.53 PmRA -21.68
PmDE -0.57 E RArad 0.31 E DErad 0.27 E Plx 0.48
E pmRA 0.38 E pmDE 0.37 Hpmag 6.7127 E Hpmag 0.0006
SHp 0.007 VA 0 BV -0.033 E BV 0.005
VI -0.01
CCDM
Ccdm 09256-2520 RComp Comp A Note1
Note2 Discov num DRAs 1.06 DDEs -13.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp B9 PmNote *
PmRA -21 PmDE -8 Dm number -24 8060 Cat1 CD
Name2 177427 Cat2 SAO HD 81542 M HD
ADS BDS M ADS BDS N IDS IDS 09212S2454A
HIC 46238
 
 
09256-2520 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 092537.03-252013.0 Mag 8.89 PmRA -23.00
PmDE -2.0 Calc delta mag 2.04 Calc coord yes
CCDM
Ccdm 09256-2520 RComp Comp B Note1
Note2 Discov num RST2627 DRAs DDEs
R dRAs Year 1934 Theta 314 Rho 0.6
Obs 4 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 09212S2454B
HIC 46238