IPs
V455 And
V515 And
AE Aqr
FO Aqr
XY Ari
V405 Aur
V647 Aur
HT Cam
MU Cam
DW Cnc
BG CMi
V709 Cas
V1033 Cas
V1025 Cen
TV Col
TX Col
UU Col
V2069 Cyg
V2306 Cyg
YY Dra
PQ Gem
V418 Gem
DQ Her
V1323 Her
EX Hya
NY Lup
V2400 Oph
V2731 Oph
V598 Peg
GK Per
AO Psc
V667 Pup
WX Pyx
V1223 Sgr
CC Scl
V1062 Tau
EI UMa
AX J1740.1
AX J1740.2
AX J1853.3
IGR J08390
IGR J15094
IGR J16500
IGR J16547
IGR J17195
IGR J18173
IGR J18308
IGR 19267
RX J2133
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EX Hydrae = 4U1228-29
SkyView image
of EX Hya (see important notes).
- Position:
-
- Equatorial: 12h52m24.47s,
-29d14m57.5s (J2000)
- Galactic: l=303.19, b=+33.62
- Finding Chart:
- Schwartz et al. (1979)
- Brightness:
- V~13 in quiescence, 9.5 at peak of outbursts;
fx (2-10 keV)~8.7x10^(-11) ergs/cm/cm/s (ASCA)
- IP Credential:
- ***** (Ironclad)
- Periods:
-
- Orbital: 0.068233846 d = 1.637612394 hr= 5895.4s, see in optical and X-rays
TDB(eclipse)=2437699.94179 + 0.068233846 E
(Hellier & Sproats 1992)
with 17.5yr cycle (?)
O-C=-0.00027 + 0.00028sin[360(E/93500)+7]
- Spin: 0.046546504d = 67.02696576 min = 4021.617946s, seen in optical
photometry, optical spectroscopy and X-rays.
T(max)= 2437699.8917(6)+0.046546484(9)E-7.3(4)x10-13E2+2.2(6)x10-19E3
in HJDTT (Mauche et al. (2009))
- Others: Sideband(s) seen only during outbursts.
- Inclination:
- ~77 deg (partial eclipse)
- Distance:
- 64.5+/-1.2 pc (Beuermann et al.
(2003))
References
- Allan, Hellier & Beardmore 1998
- Andronov & Breus 2013
- Anzolin et al. 2010
- Belle et al. 2002
- Belle et al. 2003
- Belle et al. 2005
- Beuermann & Osborne 1988
- Beuermann et al. 2003
- Beuermann & Reinsch 2008
- Bond & Freeth 1988
- Bond et al. 1987
- Bookbinder & Lamb 1987
- Breysacher & Vogt 1980
- Brunschweiger et al. 2009
- Buckley & Schwarzenberg-Czerny 1992
- Cordova & Riegler 1979
- Cordova, Mason, & Kahn 1985
- Cowley, Hutchings & Crampton 1981
- Cropper 1986
- Cropper, Ramsay & Wu 1998
- Cropper et al. 1999
- Dhillon et al. 1997
- Eisenbart et al. 2002
- Eracleous, Patterson & Halpern 1991
- Eracleous, Halpern & Patterson 1991
- Evans & Hellier 2007
- Ezuka & Ishida 1999
- Frank et al. 1981
- Froning et al. 2012
- Fujimoto & Ishida 1997
- Gilliland 1982
- Godon et al. 2012
- Greeley et al. 1997
- Hamilton et al. 2011
- Harrison et al. 2010
- Harrison et al. 2013
- Hayashi & Ishida 2014
- Heise et al. 1987
- Hellier 1991
- Hellier 1992
- Hellier 1999
- Hellier & Sproats 1992
- Hellier & Mukai 2004
- Hellier et al. 1987
- Hellier et al. 1989
- Hellier, Garlick & Mason 1993
- Hellier, Mukai & Osborne 1998
- Hellier et al. 2000
- Hoogerwerf, Brickhouse & Mauche 2004
- Hoogerwerf, Brickhouse & Mauche 2005
- Hoogerwerf, Brickhouse & Mauche 2006
- Hurwitz et al. 1997
- Ishida 1991
- Ishida et al. 1994
- Ishida, Mukai & Osborne 1994
- Jablonski & Busko 1985
- Kaitchuck et al. 1987
- King & Wynn 1999
- Luna et al. 2010
- Mauche 1999
- Mauche, Lee & Kallman 1997
- Mauche, Liedahl & Fournier 2001
- Mauche et al. 2009
- Mhlahlo et al. 2007a
- Mhlahlo et al. 2007b
- Mukai et al. 2003
- Mumford 1964
- Mumford 1967
- Mumford 1969
- Mumford 1970
- Mumford 1976
- Norton & Watson 1989b
- Papaloizou & Pringle 1980
- Pekon & Balman 2011
- Pretorius, Kingge & Schwope 2013
- Ramsay 2000
- Reinsch & Beuermann 1990
- Revnivtsev et al. 2011
- Rosen, Mason & Cordova 1988
- Rosen et al 1991
- Scaringi et al. 2010
- Schwartz et al. 1979
- Semena & Revnivtsev 2014
- Semena et al. 2014
- Sherrington et al. 1980
- Shylaja 1985
- Siegel et al. 1989
- Singh & Swank 1993
- Sterken et al. 1983
- Stockman et al. 1992
- Suleimanov, Revnivtsev & Ritter 2005
- Vande Putte et al. 2003
- Vogt, Krzeminski & Sterken 1980
- Wade 1982
- Warner 1972
- Warner & McGraw 1981
- Watson, Sherrington & Jameson 1978
- Yuasa et al. 2010
Please send your comments, suggestions etc. to
Koji.Mukai@nasa.gov
and/or
Koji.Mukai@umbc.edu
|
