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Latest Details
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| Name |
V1030 Ori |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
05 36 16.51 -02 37 18.5 |
| Proper motion |
| RA: 2.2 +/- 2.0 mas/y | Dec: -1.4 +/- 2.0 mas/y | Source: UCAC4 |
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| Galactic coord. |
206.816 -17.324 |
Other names
(Internal only)
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sig Ori E |
ADS 4241 E |
BD-02 1327 |
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HD 37479 |
HR 1932 |
SAO 132408 |
(Not logged in) Add name
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| Variability type |
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SXARI/E |
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| Spectral type |
B3Vp(He+)ea |
| Mag. range |
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6.61 - 6.77 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
1.19083 d |
| Rise/eclipse dur. |
-- |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
GCVS Team |
In the region of the nebula IC 434. (sig Ori) E (A 4.1m; B 5.1m, A = 0.247", P = 170yr; C 8.79m, 11.2", 238deg; D 6.66m, 12.9", 84deg; E 41.6", 61deg). Min I (HeI) = 2442802.48 + 1.19080d*E. Unusual helium variable. Epoch of Min I brightness is given in the Table (Min II 6.71, Min II - Min I = 0.43P). This epoch is being observed by 0.18P later than the epoch of minimum strength of the HeI lambda 4026 A line. According to [D.Groote, K.Hunger, AsAp 116, N1, 64, 1982.], light minima are due to "eclipses" of the star surface by two isolated clouds (consisting of hydrogen and helium), which are located almost oppositely near the intersections of the magnetic And rotational equator. |
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I |
2020RNAAS...4..204H |
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2 |
Wisniewski, J. P.; Chojnowski, S. D.; Davenport, J. R. A.; et al., 2015,
Characterizing the Rigidly Rotating Magnetosphere Stars HD 345439 and HD
23478 |
2015ApJ...811L..26W |
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3 |
D.Groote, K.Hunger, AsAp 116, N1, 64, 1982. |
1982A&A...116...64G |
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4 |
W.H.Warren, Jr., J.E.Hesser, ApJ Suppl 34, 115, 1977. |
1977ApJS...34..115W |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 6.97 | H = 6.95 | K = 6.95 | J - K = 0.02 |
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AllWISE
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W1 = 6.92 | W2 = 6.90 | W3 = 6.55 | W4 = 3.92 | W1 - W2 = 0.02 | W3 - W4 = 2.62 |
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APASS-DR9
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B = 6.53 | V = 6.78 | g' = 6.84 | r' = 6.94 | i' = 7.14 | B - V = -0.25 |
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Images
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Supporting Documents
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There are currently no supporting documents on file for this star.
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Stellar Association Membership
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Collinder 70 |
Open Cluster |
2012A&A...548A..97Z |
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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