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Name
  QX Car  
AAVSO UID
000-BBQ-980 (2 observations)  
Constellation
Carina Sequence
J2000.0
09 54 33.88 -58 25 16.6  (148.64118 -58.42127) Search nearby
B1950.0 09 52 56.81 -58 11 02.6
Proper motion
RA: -2.86 +/- 0.30 mas/yDec: -0.25 +/- 0.31 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 281.478 -3.121
Other names

(Internal only)
163 Car 2MASS J09543388-5825166 CD-57 2897
CPD-57 2418 Gaia DR3 5257663878763302272 HD 86118
HIP 48589 SAO 237480 TIC 469247903
TYC 8610-2639-1 WISEA J095433.88-582516.5  
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Variability type
EA+HB+SPB+BCEP
Spectral type B2V+B2V
Mag. range
6.6 - 7.21 V
Discoverer --
Epoch
12 Jan 2007 (HJD 2454113.081) Ephemeris
Outburst --
Period 4.478016 d
Rise/eclipse dur. 8%  (8.60 h)
Remarks
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1 2021A&A...647A..12K Also g-mode pulsations (SPB) with main P= 2.4213 d. and several p-mode pulsations (BCEP) frequencies found. HB amplitude 0.013 TESS.
2 GCVS Team Min II 7.02.
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References
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1 Kolaczek-Szymanski, P. A.; et al., 2021, Massive heartbeat stars from TESS.
I. TESS sectors 1-16
2021A&A...647A..12K
2 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
3 A.W.J.Cousins, SAAO Circ N6, 1- 3, 1981. 1981SAAOC...6....1C
4 F.M.Bateson, A.F.Jones, I.Stranson, Charts for Southern Variables ser.7,
1971.
--
5 CALEB - Catalog and AtLas of Eclipsing Binaries --
External Links
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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 = 7.01H = 7.14K = 7.18J - K = -0.17
AllWISE W1 = 7.13W2 = 7.28W3 = 7.23W4 = 5.97W1 - W2 = -0.14W3 - W4 = 1.26
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2024-06-13 12:24 UTC Type, SPB period and spectral type from 2021A&A...647A..12K.
3 Otero, Sebastian Alberto 2020-05-23 03:17 UTC Period, epoch and eclipse duration from the GCVS (November 2019 version).
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.