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Latest Details
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| Name |
alf 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 52 27.80 +07 23 57.8 |
| Proper motion |
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| Galactic coord. |
199.787 -8.959 |
Other names
(Internal only)
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58 Ori |
AAVSO 0549+07 |
ADS 4506 A |
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BD+07 1055 |
Betelgeuse |
GALEX J055510.3+072426 |
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HD 39801 |
HIP 27989 |
HR 2061 |
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IRAS 05524+0723 |
IRC +10100 |
RAFGL 836 |
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SAO 113271 |
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(Not logged in) Add name
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| Variability type |
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SRC |
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| Spectral type |
M1-M3.5Iabe |
| Mag. range |
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0.0 - 1.6 V |
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| Discoverer |
John Frederick William Herschel (1836) |
| Epoch |
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| Outburst |
-- |
| Period |
423 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 |
Schmeer, Patrick
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Brightness variations first noticed by J. Herschel in 1836 and reported at the 10 January 1840 meeting of the Royal Astronomical Society (1999JAVSO..27..171W). |
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2 |
Billiaert, Bruno
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Secondary period of ~2100 d. (2016arXiv160205108M) |
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3 |
GCVS Team |
VB A (B 14.5m, 39.8", 110deg). Min = 2410600 + 2070d*E (1840 - 1929) [B.W.Kukarkin, Perem. Zvezdy 3, 67, 1931.]. Since 1929 - see Table. The main variation is superimposed by the waves with P = 200 - 400d. Dust-gaseous shell (r = 50") [R.K.Honeycutt, A.P.Bernat, J.E. Kephart, C.E.Gow, M.T.Sandford II, D.L.Lambert, ApJ 239, 565, 1980.]. |
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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 |
E. F. Guinan; R. J. Wasatonic, 2020, ATel #13439 |
2020ATel13439....1G |
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2 |
Kafka, S., 2020, Observations from the AAVSO International Database |
-- |
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3 |
E. F. Guinan; R. J. Wasatonic; T. J. Calderwood, 2019, ATel #13365 |
2019ATel13365....1G |
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4 |
Montargès, M.; et al., 2016, The close circumstellar environment of
Betelgeuse. IV. VLTI/PIONIER interferometric monitoring of the photosphere |
2016arXiv160205108M |
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5 |
Wilk, S. R., 1999, Further Mythological Evidence for Ancient Knowledge of
Variable Stars |
1999JAVSO..27..171W |
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6 |
R.Stothers, K.C.Leung, AsAp 10, 290, 1971. |
1971A&A....10..290S |
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7 |
W. Ceraski, 1908, Nouvelles de la Science, Variétés |
1908BSAFR..22..241C |
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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 = -2.99 | H = -4.01 | K = -4.38 | J - K = 1.39 |
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AllWISE
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W1 = -1.37 | W4 = -4.98 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Campaigns/Programs
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Legacy LPV Program
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LPV Program
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SNEWS Campaign
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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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