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Name
  ksi Gem  
AAVSO UID
000-BBL-794 (695 observations)  
Constellation
Gemini Sequence
J2000.0
06 45 17.36 +12 53 44.1  (101.32233 +12.89558) Search nearby
B1950.0 06 42 28.98 +12 57 04.4
Proper motion
RA: -115.73 mas/yDec: -190.55 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 200.739 +4.502
Other names

(Internal only)
31 Gem 1RXS J064517.8+125348 2MASS J06451737+1253438
AAVSO 0639+13 ASCC 933657 Alzirr
BD+13 1396 CSV 100763 GC 8823
GCRV 4389 GJ 242 GJ 242.0
GSC 00754-02356 Gaia DR3 3352485999058854912 HD 48737
HIP 32362 HR 2484 IRAS 06424+1257
IRC +10136 LSPM J0645+1253 LTT 11912
NLTT 16938 NSV 3193 PPM 122983
ROT 1085 SAO 96074 TIC 372480991
TYC 754-2356-1 UCAC4 515-031224 ZI 572
Zinn 0572 xi Gem  
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Variability type
ROT+DSCT
Spectral type F5IV
Mag. range
3.35 V (0.001)TESS
Discoverer --
Epoch
05 Dec 2023 (HJD 2460284.2) Ephemeris
Outburst --
Period 1.82247 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ROT amplitude 0.0007 TESS. Also multiperiodic DSCT pulsations with similar amplitudes that combined reach 0.0005 mag.
2 Otero, Sebastian Alberto Constant in HIPPARCOS data
3 GCVS Team Var [A.Gutierrez-Moreno, H.Moreno, J.Stock, C.Torres, H.Wroblewski, Cerro Calan Publ No.1, 1966.]. Var in IR.
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Gray, R. O.; et al., 2003, Contributions to the Nearby Stars (NStars)
Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The
Northern Sample. I.
2003AJ....126.2048G
3 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
4 P.Guthnick, R.Prager, VBB 1, 1-68, 1914. --
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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 = 2.00H = 1.81K = 1.69J - K = 0.31
Images
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Supporting Documents
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2 JD light curve Otero, Sebastian Alberto 2025-10-29 02:29 UTC Light curve showing short period DSCT pulsations with TESS data.
1 Phase plot Otero, Sebastian Alberto 2025-10-29 02:28 UTC Phase plot with TESS data.
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Revision History
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5 Otero, Sebastian Alberto 2025-10-29 02:28 UTC Type, period, epoch and amplitude from TESS data. Gaia DR3 position. Spectral type from 2003AJ....126.2048G.
4 Otero, Sebastian Alberto 2018-01-18 20:12 UTC Identifiers added.
3 Otero, Sebastian Alberto 2018-01-18 19:29 UTC Magnitude from HIPPARCOS and GCPD data.
2 Admin, VSX 2010-01-18 23:18 UTC Position updated to NSV version of June 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.