stampa
Login

Create your own observing lists in a few clicks and save them.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
02493+1728
STF 311 AB
Pi Ari


Nearby doubles
15' : 02483+1727
COU 672

22' : 02479+1737
A 2223

30' : 02473+1717
A 2222AB

31' : 02474+1713
CHE 69

32' : 02514+1736
KU 79

33' : 02476+1706
CHE 70

35' : 02516+1739
CHE 73

37' : 02502+1802
COU 676

38' : 02495+1805
CHE 71

44' : 02501+1646
GWP 378

46' : 02511+1805
CHE 72

46' : 02473+1803
GWP 368

46' : 02469+1757
CHE 68

51' : 02485+1817
OCC 232

53' : 02473+1812
BPM 58

55' : 02489+1822
GRV 147

65' : 02529+1649
CHE 74

65' : 02459+1745
J 1081

78' : 02544+1754
GWP 389

81' : 02441+1658
HEI 97

82' : 02503+1608
BRT1172

85' : 02436+1709
BRT1171

86' : 02480+1604
TDS 96AB

87' : 02433+1718
BPM 56

89' : 02507+1601
BPM 61

93' : 02463+1850
OCC 873



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.

02493+1728 STF 311 AB (Pi Ari)

 
 
02h 49m 17.55s +17° 27' 51.5" P.A. 118.00 sep 3.3 mag 5.32,7.95 Sp B6V dist. 239.23 pc (780.37 l.y.)
 
 
Coord 2000 02493+1728 Discov num STF 311 Comp AB Coord arcsec 2000 02 49 17.55 +17 27 51.5
Date first 1821 Date last 2020 Obs 82
Pa first 124 Pa last 118.3 P.A. Now (θ) 118.3°
Sep first 3.1 Sep last 3.282 Sep. Now (ρ) 3.282"
Mag pri 5.32 Mag sec 7.95 delta mag (ΔM) 2.63 Spectral class B6V (blue-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -011 Sec motion dec -015
Notes N (See Notes)
rPM=0.258 (< 0.3, Physical double)
This double is physical.
 
 
02493+1728 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 93127 02 49 18 +17 27 52 OCC 9077 Aa,Ab 1993 0 -1 0.0 5.32
Show Pi Ari 93127 02 49 18 +17 27 52 STF 311 AB 2020 82 118 3.3 5.32 7.95 2.63 <===
Show 93127 02 49 18 +17 27 52 STF 311 AC 2018 48 113 25.5 5.32 10.72 5.40
Show 93127 02 49 18 +17 27 52 ARN 31 AD 2018 12 134 221.7 5.32 10.49 5.17
Show 93127 02 49 18 +17 27 52 TOB 364 AE 1997 1 184 14.2 5.32 14.00 8.68
Show 93127 02 49 18 +17 27 52 TOB 364 AF 1997 1 17 17.5 5.32 15.00 9.68
Show 93127 02 49 18 +17 27 50 STF 311 BC 2017 30 110 23.8 7.95 10.72 2.77
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Pi Ari Var name NSV944 Ari Constellation Aries SAO 93127
HIP 13165 Tycho2 1223-01987-1 Gaia DR2 83369717557815296 HD 17543
HR 836 GC 3378 ADS 2151 BD BD+16 355
Bayer Pi Arietis Bayer name Pi Ari Flamsteed 42 Arietis Flamsteed name 42 Ari
Distance 239.23 Distance ly 780.37 Bayer greek π Ari
 
 
WDS 02493+1728 STF 311 AB (Pi Ari) : NOTES
 
 
discov_num notes refcode
STF 311 pi Ari = 42 Ari. A is a spectroscopic and occultation binary.
AB: H 1 64. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
discov author
ARN Arnold, D.
OCC Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,
OCC Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,
OCC A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,
OCC Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,
OCC Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,
OCC T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,
OCC E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,
OCC E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,
OCC Suggs, R., Venable, R. & Warren, W.H.
OCC George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,
OCC di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,
OCC Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,
OCC Centala, J., Modic, R., & Slauson, D.
OCC Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,
OCC Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,
OCC Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,
OCC Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,
OCC Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,
OCC Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,
OCC Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,
OCC JDSO 15, 162, 2019
OCC Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,
OCC JDSO 15, 268, 2019
OCC Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,
OCC JDSO 15, 503, 2019
OCC Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,
OCC JDSO 16, 440, 2020
OCC Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,
OCC JDSO 17, 230, 2021
OCC Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,
OCC JDSO 18, 61, 2022
OCC Warner, E., Gault, D., Mousa, M., Oakey, P., Palaoro, A., Smith, R. & Williams,
OCC JDSO 21, 125, 2025
OCC Simpson, M., Klaszus, E., Deen, S., Ceravolo, P., Gowe, B., Alves, N., Holloway,
OCC JDSO 21, 136, 2025
OCC Weber, C., Conjat, M., Kattentidt, B., Kubanek, J., Kubankova, S., Lavagno, G.,
OCC JDSO 21, 144, 2025
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
02493+1728 STF 311 AB 2005 71 118 3.3 5.32 7.95 B6V +16 355 N D 024917.56+172751.6
02493+1728 STF 311 AB 2009 74 121 3.3 5.32 7.95 B6V +16 355 N D 024917.55+172751.5
02493+1728 STF 311 AB 2011 76 120 3.5 5.32 7.95 B6V +16 355 N D 024917.55+172751.5
02493+1728 STF 311 AB 2012 78 119 3.1 5.32 7.95 B6V +16 355 N D 024917.55+172751.5
02493+1728 STF 311 AB 2015 79 118 3.3 5.32 7.95 B6V +16 355 N 024917.55+172751.5
02493+1728 STF 311 AB 2018 82 118 3.2 5.32 7.95 B6V +16 355 N 024917.55+172751.5
02493+1728 STF 311 AB 2020 82 118 3.3 5.32 7.95 B6V +16 355 N 024917.55+172751.5

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

 
 
WDS 02493+1728 STF 311 AB (Pi Ari) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/11/23 daedalus1 very difficult separated 118 very interesting Seeing Pickering 5, poor. The companion was not discernible at 50x. Primary very much brighter than companion, which is very dim and close. Both stars are white.

 
 
WDS 02493+1728 STF 311 AB (Pi Ari) : MEASURES
 
 
Records found: 2
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 22/11/23 Daedalus1 very difficult 2.90 0.06 118.00 0.00 2.58 12 Pickering 5, poor. Primary glare overwhelming the secondary. Unsure of accuracy.
Show 22/11/29 Daedalus1 difficut 3.03 0.04 118.00 0.00 2.58 12 Pickering 7, good.
 
 
WDS 02493+1728 (Pi Ari) : VIRTUAL EYEPIECE
 
 

02493+1728 STF 311A mag 5.32 Sp B6V 02493+1728 OCC9077Ab 02493+1728 STF 311B sep 3.4 P.A. 118.00 mag 7.95 Sp B6V 02493+1728 STF 311C sep 25.5 P.A. 112.50 mag 10.72 02493+1728 ARN 31D sep 221.7 P.A. 134.20 mag 10.49 02493+1728 TOB 364E sep 14.2 P.A. 183.90 mag 14 02493+1728 TOB 364F sep 17.5 P.A. 16.60 mag 15 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 02493+1728 (Pi Ari) : ALADIN DSS IMAGE @ 02h 49m 17.55s +17° 27' 51.5"
 
 
 
 
WDS 02493+1728 STF 311 AB (Pi Ari) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02493+1728 STF 311AB distance=0' 02493+1728 STF 311BC distance=1' 02483+1727 COU 672 distance=15' 02479+1737 A 2223 distance=22' 02473+1717 A 2222CD distance=30' 02473+1717 A 2222AB distance=30' 02473+1717 A 2222A,CD distance=30' 02474+1713 CHE 69 distance=31' 02514+1736 KU 79 distance=32' 02476+1706 CHE 70 distance=33' 02516+1739 CHE 73 distance=35' 02502+1802 COU 676 distance=37' 02495+1805 CHE 71 distance=38' 02501+1646 GWP 378 distance=44' 02511+1805 CHE 72 distance=46' 02473+1803 GWP 368 distance=46' 02469+1757 CHE 68 distance=46' 02485+1817 OCC 232 distance=51' 02473+1812 BPM 58 distance=53' 02489+1822 GRV 147 distance=55' 02529+1649 CHE 74 distance=65' 02459+1745 J 1081 distance=65' 02544+1754 GWP 389 distance=78' 02441+1658 HEI 97 distance=81' 02503+1608 BRT1172 distance=82' 02461+1620 GKM9052Aa,Ab distance=82' 02436+1709 BRT1171 distance=85' 02480+1604 TDS 96AB distance=86' 02480+1604 TDS 96Aa,Ab distance=86' 02433+1718 BPM 56 distance=87' 02507+1601 BPM 61 distance=89' 02463+1850 OCC 873 distance=93' 02429+1754 COU 23 distance=95' 02507+1910 TOK 76 distance=104' 02507+1910 KPP3158AC distance=104' 02564+1801 OCC 901 distance=108' 02540+1601 HDS 370 distance=110' 02423+1639 BPM 55 distance=111' 02570+1714 HO 317 distance=112' 02546+1850 GRV 150 distance=113' 02554+1617 HEI 24 distance=113' 02438+1606 HEI 23 distance=114' 02443+1600 GWP 361 distance=114' 02435+1611 BPM 57 distance=114' 02560+1623 LDS3439 distance=116' 02483+1532 BPM 59 distance=117' 02475+1922 STF 305AB distance=118' 02475+1922 STF 305AC distance=118' 02521+1536 GWP 383 distance=120' 02448+1544 TDS 93 distance=123' 02564+1616 HEI 25 distance=125' 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 02493+1728 STF 311 AB 118 3.3 0
Show 02493+1728 ARN 31 AD 134 221.7 0
Show 02493+1728 STF 311 AC 113 25.5 0
Show 02493+1728 TOB 364 AE 184 14.2 0
Show 02493+1728 TOB 364 AF 17 17.5 0
Show 02493+1728 OCC9077 Aa,Ab -1 0.0 0
Show 02493+1728 STF 311 BC 110 23.8 1
Show 02483+1727 COU 672 202 0.3 15
Show 02479+1737 A 2223 61 2.0 22
Show 02473+1717 A 2222 CD 108 0.5 30
Show 02473+1717 A 2222 AB 303 4.5 30
Show 02473+1717 A 2222 A,CD 135 103.8 30
Show 02474+1713 CHE 69 352 28.2 31
Show 02514+1736 KU 79 296 20.9 32
Show 02476+1706 CHE 70 328 26.3 33
Show 02516+1739 CHE 73 184 27.3 35
Show 02502+1802 COU 676 156 0.9 37
Show 02495+1805 CHE 71 176 12.2 38
Show 02501+1646 GWP 378 112 30.5 44
Show 02511+1805 CHE 72 151 32.9 46
Show 02473+1803 GWP 368 82 22.1 46
Show 02469+1757 CHE 68 148 20.5 46
Show 02485+1817 OCC 232 -1 0.2 51
Show 02473+1812 BPM 58 334 33.0 53
Show 02489+1822 GRV 147 276 10.0 55
Show 02529+1649 CHE 74 329 25.3 65
Show 02459+1745 J 1081 23 3.9 65
Show 02544+1754 GWP 389 301 9.5 78
Show 02441+1658 HEI 97 293 0.3 81
Show 02503+1608 BRT1172 75 5.2 82
Show 02461+1620 GKM9052 Aa,Ab 326 0.1 82
Show 02436+1709 BRT1171 159 2.7 85
Show 02480+1604 TDS 96 AB 235 1.2 86
Show 02480+1604 TDS 96 Aa,Ab 186 0.2 86
Show 02433+1718 BPM 56 176 71.7 87
Show 02507+1601 BPM 61 122 23.5 89
Show 02463+1850 OCC 873 -1 0.1 93
Show 02429+1754 COU 23 138 1.0 95
Show 02507+1910 TOK 76 15 17.2 104
Show 02507+1910 KPP3158 AC 126 5.3 104
Show 02564+1801 OCC 901 -1 -1.0 108
Show 02540+1601 HDS 370 53 0.2 110
Show 02423+1639 BPM 55 87 115.7 111
Show 02570+1714 HO 317 309 3.6 112
Show 02546+1850 GRV 150 353 12.2 113
Show 02554+1617 HEI 24 197 4.5 113
Show 02438+1606 HEI 23 341 1.0 114
Show 02443+1600 GWP 361 143 71.0 114
Show 02435+1611 BPM 57 28 112.3 114
Show 02560+1623 LDS3439 297 17.7 116
Show 02483+1532 BPM 59 307 105.7 117

 
 
WDS 02493+1728 : COMPONENTS
 
 
  A Ab B C D E
Ab pa=0.0°
sep=0.00"
 
B pa=118.0°
sep=3.40"
pa=118.0°
sep=3.40"
 
C pa=112.5°
sep=25.50"
pa=112.5°
sep=25.50"
pa=111.6°
sep=22.11"
 
D pa=134.2°
sep=221.71"
pa=134.2°
sep=221.71"
pa=134.4°
sep=218.45"
pa=136.9°
sep=198.24"
 
E pa=183.9°
sep=14.24"
pa=183.9°
sep=14.24"
pa=197.5°
sep=13.22"
pa=259.7°
sep=24.93"
pa=311.3°
sep=212.78"
 
F pa=16.6°
sep=17.48"
pa=16.6°
sep=17.48"
pa=6.2°
sep=18.46"
pa=325.0°
sep=32.36"
pa=318.0°
sep=230.33"
pa=10.9°
sep=31.53"
 
 
02493+1728 A
 
 
Name Pi Ari Coord arcsec 2000 024917.55+172751.5 Mag 5.32 Spectral class B6V (blue-white)
PmRA 4.00 PmDE -11.0 Tycho2 1223-01987-1
Tycho2
Tycho2 1223-01987-1 Pflag RAmdeg 42.32316341 DEmdeg 17.46431255
PmRA 4.3 PmDE -11.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.28 EpDEm 1991.28
Num 22 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.4
Q pmDE 1.6 BTmag 5.214 E BTmag 0.014 VTmag 5.321
E VTmag 0.009 Prox 33 TYC T HIP 13165
CCDM A RAdeg 42.32315306 DEdeg 17.46433806 EpRA 1990 1.72
EpDE 1990 1.74 E RAdeg 3.6 E DEdeg 3.8 Posflg
Corr -0.7
CCDM
Ccdm 02493+1728 RComp Comp A Note1
Note2 Discov num DRAs -0.50 DDEs -8.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.3 Sp B5 PmNote *
PmRA -16 PmDE -18 Dm number +16 355 Cat1 BD
Name2 +17 251 Cat2 AGK2/3 HD 17543 M HD
ADS BDS A 2151 M ADS BDS N IDS IDS 02437N1703A
HIC 13165
 
 
02493+1728 Ab
 
 
Coord arcsec 2000 024917.55+172751.5 Delta magnitude 5.32 Coordinate calculated yes
 
 
02493+1728 B
 
 
Coord arcsec 2000 024917.76+172749.9 Coord calc 024917.76+172749.9 Mag 7.95 Spectral class B6V (blue-white)
PmRA 4.00 PmDE -15.0 Delta magnitude 2.63
CCDM
Ccdm 02493+1728 RComp Comp B Note1
Note2 Discov num STF 311 DRAs DDEs
R dRAs Year 1832 Theta 120 Rho 3.2
Obs 33 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2151 M ADS BDS N IDS IDS 02437N1703B
HIC 13165
 
 
02493+1728 C
 
 
Coord arcsec 2000 024919.20+172741.7 Mag 10.72 PmRA 18.00 PmDE -42.0
Delta magnitude 5.4 Coordinate calculated yes
CCDM
Ccdm 02493+1728 RComp Comp C Note1
Note2 Discov num STF 311 DRAs DDEs
R dRAs Year 1832 Theta 110 Rho 25.2
Obs 15 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2151 M ADS BDS N IDS IDS 02437N1703C
HIC
 
 
02493+1728 D
 
 
Coord arcsec 2000 024928.66+172516.9 Mag 10.49 PmRA 48.00 PmDE -66.0
Tycho2 1223-01023-1 Delta magnitude 5.17 Coordinate calculated yes
Tycho2
Tycho2 1223-01023-1 Pflag RAmdeg 42.36912077 DEmdeg 17.42180869
PmRA 47.4 PmDE -67.8 E RAmdeg 30 E DEmdeg 36
E pmRA 1.1 E pmDE 1.1 EpRAm 1978.34 EpDEm 1971.97
Num 7 Q RAmdeg 2.0 Q DEmdeg 2.0 Q pmRA 1.9
Q pmDE 1.9 BTmag 11.427 E BTmag 0.081 VTmag 10.489
E VTmag 0.052 Prox 999 TYC T HIP
CCDM RAdeg 42.36901528 DEdeg 17.42196611 EpRA 1990 1.74
EpDE 1990 1.66 E RAdeg 37.6 E DEdeg 49.0 Posflg
Corr -0.3
 
 
02493+1728 E
 
 
Coord arcsec 2000 024917.48+172737.3 Mag 14 Delta magnitude 8.68 Coordinate calculated yes
 
 
02493+1728 F
 
 
Coord arcsec 2000 024917.90+172808.3 Mag 15 Delta magnitude 9.68 Coordinate calculated yes