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Latest Details
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Name
  Y Gem  
AAVSO UID
000-BBN-532 (5199 observations)  
Constellation
Gemini Sequence
J2000.0
07 41 08.52 +20 25 44.3  (115.28550 +20.42897) Search nearby
B1950.0 07 38 12.17 +20 32 47.0
Proper motion
RA: -4.59 +/- 1.26 mas/yDec: -8.33 +/- 0.83 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 199.492 +19.793
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J07410853+2025443 4XMM J074108.5+202544 AAVSO 0735+20
AN 4.1902 ASAS J074108+2025.7 ASASSN-V J074108.58+202544.8
BD+20 1875 GCRV 5119 GSC 01369-00579
Gaia DR2 672851328938093824 Gaia DR3 672851328938093824 HIP 37438
IRAS 07382+2032 IRC +20187 PPM 97839
RAFGL 1163 TIC 70580781 TYC 1369-579-1
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Variability type
ZAND+SRB
Spectral type M6e-M8+WD
Mag. range
8.5 - 10.3 V
Discoverer L. Ceraski
Epoch
25 Nov 2008 (HJD 2454796.0) Ephemeris
Outburst --
Period 152.3 d
Rise/eclipse dur. --
Remarks
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References
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1 Guerrero, M. A.; Vasquez-Torres, D. A.; Rodríguez-González, J. B.; et al.,
2024, Y Gem, a Symbiotic Star Outshined by its Asymptotic Giant Branch
Primary Component
2024arXiv241114270G
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 C.Payne-Gaposchkin, HA 118, N15, 1952. 1952AnHar.118....1P
4 W.Ceraski, Mosc Ann (2), 5, Kartenserie 2, 1909. --
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 2.23H = 1.24K = 1.07J - K = 1.16
AllWISE W3 = 0.39W4 = 0.08W3 - W4 = 0.31
APASS-DR9 B = 10.78g' = 10.26
SDSS-DR12 u = 12.39g = 10.01r = 8.58i = 9.84z = 5.77u - g = 2.39r - i = -1.26
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2024-11-25 20:53 UTC Type, spectral type (WD) and period from 2024arXiv241114270G. Range and epoch from ASAS-3 data. Gaia DR3 position.
4 Otero, Sebastian Alberto 2018-06-11 00:13 UTC Primary record creation.
3 Billiaert, Bruno 2015-12-28 16:10 UTC discoverer added (1902AN....158..221C)
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.