Coord 2000 | 13252-1110 | Discov num | BUP 150 | Comp | AB | Coord arcsec 2000 | 13 25 11.58 -11 09 40.4 | ||||
Date first | 1879 | Date last | 2010 | Obs | 5 | ||||||
Pa first | 33 | Pa last | 32.6 | P.A. Now (θ) | 32.6° | ||||||
Sep first | 144.4 | Sep last | 151.86 | Sep. Now (ρ) | 151.86" | ||||||
Mag pri | 0.98 | Mag sec | 12.00 | delta mag (ΔM) | 11.02 | Spectral class | B1III-+B2 (blue-white/blue-white) | ||||
Pri motion ra | -042 | Sec motion ra | |||||||||
Pri motion dec | -031 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 157923 | 13 25 12 -11 09 40 | OCC 418 Aa,Ab | 1995 | 0 | -1 | -1.0 | 1.30 | 4.50 | 3.20 | |||
Show | 157923 | 13 25 12 -11 09 40 | OCC 418 Aa,Ac | 1975 | 0 | -1 | 0.5 | 1.30 | 7.50 | 6.20 | |||
Show | Spica | 157923 | 13 25 12 -11 09 40 | BUP 150 AB | 2010 | 5 | 33 | 151.9 | 0.98 | 12.00 | 11.02 | <=== | |
Show | 157923 | 13 25 12 -11 09 40 | BUP 150 AC | 2010 | 3 | 61 | 367.3 | 0.98 | 10.50 | 9.52 |
Common name | Spica | Constellation | Virgo | SAO | 157923 | HIP | 65474 | ||||
Tycho2 | 5547-01518-1 | HD | 116658 | HR | 5056 | GC | 18144 | ||||
BD | BD-10 3672 | Bayer | Alpha Virginis | Bayer name | Alp Vir | Flamsteed | 67 Virginis | ||||
Flamsteed name | 67 Vir | FK5 | 498 | Distance | 76.57 | Distance ly | 249.77 | ||||
Bayer greek | α Vir |
Other names | AZIMECH, ALARAPH |
Meaning | ear |
discov_num | notes | refcode |
BUP 150 | alp Vir = 67 Vir = Spica. A is an Alpha CVn-type variable and | |
spectroscopic binary, spectrum B1III-IV+B2V. According to R.G. Aitken, | A__1935f | |
this is the fourth binary recognized by spectroscopic methods. It was | ||
identified as such based on photographic spectra obtained by Prof. | ||
H.C. Vogel at Potsdam in early 1890. It has been resolved by intensity | ||
interferometry. | ||
Intensity Interferometer Limb-darkened diameter 0.87 +/- 0.04 mas. | HBr1974 | |
AC. Smyth's quoted separation is difference in RA only. | Smy1844 |
refcode | metd | author | reference |
A__1935f | - | Aitken, R.G. | 1935QB821.A3....... |
A__1935f | The Binary Stars, 1935 | ||
HBr1974 | - | Hanbury Brown, R., Davis, J., & Allen, L.R. | 1974MNRAS.167..121H |
HBr1974 | MNRAS 167, 121, 1974 | ||
Smy1844 | Ma - | Smyth, W.H. | 1844QB43.S66....... |
Smy1844 | Cycle of Celestial Objects 2, 1844 |
idgroup | discov | author |
1 | BUP | Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) |
1 | OCC | Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F., |
1 | OCC | Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J. |
6 | OCC | Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W., |
6 | OCC | A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al. |
9 | OCC | Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A., |
9 | OCC | Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K. |
16 | OCC | Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B., |
16 | OCC | Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al. |
17 | OCC | Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris, |
17 | OCC | T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al. |
22 | OCC | Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson, |
22 | OCC | E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al. |
25 | OCC | Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson, |
25 | OCC | E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al. |
26 | OCC | George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S., |
26 | OCC | Suggs, R., Venable, R. & Warren, W.H. |
27 | OCC | George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J., |
27 | OCC | di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R. |
28 | OCC | Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H., |
28 | OCC | Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K. |
29 | OCC | George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A., |
29 | OCC | Centala, J., Modic, R., & Slauson, D. |
30 | OCC | Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T., |
30 | OCC | Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al. |
31 | OCC | George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W., |
31 | OCC | Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J. |
48 | OCC | Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T., |
48 | OCC | Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al. |
49 | OCC | Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A., |
49 | OCC | Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al. |
50 | OCC | Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D., |
50 | OCC | Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al. |
53 | OCC | Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M., |
53 | OCC | Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al. |
56 | OCC | Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham, |
56 | OCC | J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. & |
56 | OCC | Thomas, W. |
57 | OCC | Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R., |
57 | OCC | Terakubo, K., Sato, M. & Shima, K. |
58 | OCC | Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad, |
58 | OCC | C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M., |
58 | OCC | Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R., |
58 | OCC | Watanabe, H., Yamamura, H. & Yoshida, H. |
61 | OCC | Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. & |
61 | OCC | Selva, A. |
66 | OCC | Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford, |
66 | OCC | R., Trank, R., Preston, S. & Herald, D. |
71 | OCC | Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O., |
71 | OCC | Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M., |
71 | OCC | Sposetti, S. & Aissa, D.B. |
72 | OCC | Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A., |
72 | OCC | Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
13252-1110 | BUP 150 | AB | 2007 | 4 | 33 | 152.5 | 0.98 | 12.00 | N D | 132511.58-110940.4 | |
13252-1110 | BUP 150 | AB | 2010 | 5 | 33 | 151.9 | 0.98 | 12.00 | B1III-+B2 | N | 132511.58-110940.4 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | Ab | Ac | B | |
Ab | pa=0.0° sep=0.00" | |||
Ac | pa=0.0° sep=0.00" | pa=0.0° sep=0.00" | ||
B | pa=32.1° sep=151.03" | pa=32.1° sep=151.03" | pa=32.1° sep=151.03" | |
C | pa=60.6° sep=361.97" | pa=60.6° sep=361.97" | pa=60.6° sep=361.97" | pa=78.1° sep=240.37" |
Common name | Spica | Meaning | ear | Other names | AZIMECH, ALARAPH | Coord arcsec 2000 | 132511.58-110940.4 | ||||
Mag | 0.98 | Spectral class | B1III (blue-white) | PmRA | -42.00 | PmDE | -31.0 | ||||
SAO | 157923 | HIP | 65474 | Tycho2 | 5547-01518-1 | HD | 116658 | ||||
HR | 5056 | GC | 18144 | BD | BD-10 3672 | Bayer | Alpha Virginis | ||||
Bayer name | Alp Vir | Flamsteed | 67 Virginis | Flamsteed name | 67 Vir | FK5 | 498 |
SAO | 157923 | DelFlag | RA1950 | PmRA1950 | -0.0029 | ||||||
DE1950 | PmDE1950 | -0.033 | Vmag | 1.2 | SpType | B2 | |||||
Double code | Source | 74 | CatNum | 498 | DM | BD-10 3672 | |||||
DMcomp | BDsup | HD | 116658 | M HD | 0 | ||||||
GC | 18144 | RA1950rad | 3.50180685 | DE1950rad | -0.19025718 | PmRA2000 | -0.0026 | ||||
PmDE2000 | -0.027 |
Catalog | H | HIP | 65474 | Proxy | RAhms | 13 25 11.60 | |||||
DEdms | -11 09 40.5 | Vmag | 0.98 | VarFlag | 1 | R Vmag | G | ||||
RAdeg | 201.298 | DEdeg | -11.1612 | AstroRef | Plx | 12.44 | |||||
CCDM | 13252-1109 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 116658 | BD | BD-10 3672 | ||||||
CD | CP | Dm number | -10 3672 | VIred | -0.25 | ||||||
SpType | B1V | R SpType | Coord arcsec 2000 | 132511.60-110940.5 |
HIP | 65474 | Sn | 7 | So | 0 | Nc | 1 | ||||
RArad | 3.5133190262 | DErad | -0.1948004728 | Plx | 13.06 | PmRA | -42.35 | ||||
PmDE | -30.67 | E RArad | 0.59 | E DErad | 0.38 | E Plx | 0.7 | ||||
E pmRA | 0.62 | E pmDE | 0.37 | Hpmag | 0.8891 | E Hpmag | 0.0022 | ||||
SHp | 0.014 | VA | 1 | BV | -0.235 | E BV | 0.008 | ||||
VI | -0.25 |
Coord arcsec 2000 | 132511.58-110940.4 | Mag | 4.5 | Calc delta mag | 3.2 | Calc coord | yes |
Coord arcsec 2000 | 132511.58-110940.4 | Mag | 7.5 | Calc delta mag | 6.2 | Calc coord | yes |
Coord arcsec 2000 | 132517.03-110732.5 | Mag | 12 | Spectral class | B2 (blue-white) | Calc delta mag | 10.7 | ||||
Calc coord | yes |
Coord arcsec 2000 | 132533.01-110642.9 | Mag | 10.5 | Spectral class | B2 (blue-white) | Calc delta mag | 9.2 | ||||
Calc coord | yes |