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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
zet Gem |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
07 01 08.64 +20 38 43.6 |
| Proper motion |
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| Galactic coord. |
195.746 +11.903 |
Other names

(Internal only)
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43 Gem |
AAVSO 0658+20 |
ADS 5742 A |
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BD+20 1687 |
HD 52973 |
HIP 34088 |
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HR 2650 |
IRC +20169 |
Mekbuda |
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RAFGL 4552S |
SAO 79031 |
WDS J07041+2034A |
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X 07011+206 |
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(Not logged in) Add name
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| Variability type |
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DCEP |
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| Spectral type |
F7Ib-G3Ib |
| Mag. range |
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3.62 - 4.18 V |
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| Discoverer |
Johann Friedrich Julius Schmidt (1844) |
| Epoch |
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| Outburst |
-- |
| Period |
10.149806 d |
| Rise/eclipse dur. |
50% (5.0749 d) |
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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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Gaia EDR3 parallax 3.07 ± 0.22 mas (distance 325 ± 25 pc). |
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2 |
GCVS Team |
VB A (B 11.46m, 87", 84deg; C 7.56m, 97", 350deg). P var. Max = 2410640.42 + 10.15477d*E (JD2394600 - 2407150); Max = 2422366.187 + 10.15288d*E (JD2407150 - 22300); Max = 2426802.918 + 10.15172d*E (JD2422300 - 34500) [P.P.Parenago, Perem. Zvezdy 11, N4, 236, 1958.]; since JD2434500 - see Table. All the observations are satisfied also by the elements: Max = 2443785.444 + 10.150135d*E - 5.24d*10**(-7)*E**2 [L.Szabados, Bud Mitt N77, 1981.]. May by a DCEPS type variable. |
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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 |
Breitfelder, J.; et al., 2016, Observational calibration of the projection factor of Cepheids. II. Application to nine Cepheids with HST/FGS parallax measurements |
2016arXiv160104727B |
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2 |
V.P.Zessewitsch, Variable Stars and Methods of Their Studies, (in russian) M., 1970. |
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3 |
Henroteau, F., A study of zeta Geminorum, I. |
1925PDO.....9..105H |
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Davis, K., Zeta Geminorum (Variable Star of the Month) |
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5 |
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N. Kholopov et al. |
-- |
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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 = 2.38 | H = 2.03 | K = 2.14 | J - K = 0.24 |
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AllWISE
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W3 = 2.08 | W4 = 1.98 | W3 - W4 = 0.10 |
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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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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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