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2s · ... “Origins of Absorption Systems of Classical Nova ... X b « >&multiple gas shell ......
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2016 ᖺᗘ◊✲ᡂᯝሗ࿌᭩ ࢱࢺ: ᪩ᮇῶගᮇࡢ᪂ V2659 Cyg ࡅ࠾྾⥺ࡢ㛫ኚ㉳※ ᢸᙜ: ᪂ ᙲ ࠊἙ⚽ୡ ඹ◊✲⪅㸸 Ashish Raj㸦Indian Institute of Astrophysics, India㸧 㛵㐃ฟ∧: Akira Arai, Hideyo Kawakita, Yoshiharu Shinnaka, Akito Tajitsu, 2016, Astrophysical Journal, 830, 30, “Origins of Absorption Systems of Classical Nova V2659 Cyg (Nova Cyg 2014)” 㛵㐃ᏛⓎ⾲➼: ࠕ᪂ V2659 Cyg (=Nova Cyg 2014) ࡓ྾⥺ࡢ㉳※ࠊ᪥ᮏኳᏛ 2016 ᖺᏘᖺ － 29 －
Transcript of 2s · ... “Origins of Absorption Systems of Classical Nova ... X b « >&multiple gas shell ......
2016
: V2659 Cyg
:
Ashish Raj Indian Institute of Astrophysics, India
:
Akira Arai, Hideyo Kawakita, Yoshiharu Shinnaka, Akito Tajitsu, 2016, Astrophysical Journal,
830, 30, “Origins of Absorption Systems of Classical Nova V2659 Cyg (Nova Cyg 2014)”
:
V2659 Cyg (=Nova Cyg 2014)
2016
－ 29 －
V2659 Cyg
Ashish Raj Indian Institute of Astrophysics, India
V2659 Cyg
V2659 Cyg
double-horned
1
1.1
108 K (Thermo-Nuclear Runaway: TNR)
TNR
free-free
P Cyg
－ 30 －
1950 McLaughlin
McLaughlin 1950a, 1950b, 1965 McLaughlin
”pre-maximum” ”principal” “diffuse enhanced” “Orion”
multiple gas shell
”pre-maximum”
”principal” ”pre-maximum”
”diffuse enhanced” ”Orion” ”principal”
McLaughlin
1.2 Transient Heavy Element Absorption (THEA)
LVC (Low-Velocity Component) HVC (High-
Velocity Component) LVC Williams et al. (2008) Williams
(2013) (Transient Heavy Element Absorption:
－ 31 －
THEA)
[THEA ]
McLaughlin ”principal”
2~8
v = 500 km/s — 1000 km/s LVC
Fe II, Ti II, Na I, Cr II, Zr II, Sr II, V II, Y II, Ca II
< 4 eV
e.g.,
Weaver 1944; Kogure & Leung 2007 He I, Fe II, O I
80%
McLaughlin (1965) Nova Gem 1912 principal
THEA
HVC LVC 2 LVC
(Williams et al. 2008; Williams & Mason 2010; Williams 2013; Arai et al.
2016) LVC 1000 km/s — 1500 km/s
LVC
LVC
HVC
－ 32 －
1.3
1 Li et al. (2017)
Mason et al. (2018)
Williams (2013) THEA Fe II
He/N
Williams LVC
THEA
LVC 7Be τ 53 Williams (2013)
Li et al. (2017)
1.4 1.5
1.
THEA 7Be
Williams (2013)
Li et al. (2017)
Mason et al. (2018)
1.4 Multiple ejection model
Li et al. (2017) Chomiuk et al.
2014 20%
Derdzinski et al. 2017 THEA
－ 33 －
L2
Fe Fe II Fe III
~1000 km/s THEA
Williams (2013) LVC
LVC Li et al.
(2017) Williams (2013)
7Be
(Tajitsu et al. 2016; Molaro et al. 2016) 7Be 537Li 7Be
Tajitsu et al. (2015) Tajitsu et al. (2016) Molaro et
al. (2016) 100
LVC HVC V339 Del 7Be
LVC HVC V5886 Sgr, V2944 Oph7Be LVC
HVC THEA
Williams 2013
Li et al. (2017)
1
1.5 (Single ejection model)
Li et al. (2017) Mason et al. (2018) (
) ballistic ejecta
ballistic law Habble flow (v r)
－ 34 －
Shore (2012) T Pyx
Mason et al. (2018) Shore (2012)
LVC HVC
Mason et al. (2018) TNR
1.6
LVC HVC
Mason et al. (2018)
Li et al.
(2017)
T Pyx
Uthas et al. 2010 0.7M
LVC HVC
L2
－ 35 －
slow novae fast novae LVC
2014 V2659 Cyg
(Arai et al. 2016)
(Arai et al. 2016)
Li et al. (2017) Mason et al. (2018) Arai et al.
(2016)
LVC HVC
2 V2659 Cyg
2014 3 V2659 Cyg ( 2014)
Miyaki Observatory
Fe II
420 – 860 km/s 1 V2659 Cyg
Strope et al. (2010) jitter
3
HDS Noguchi et al. 2002 BOAO
BOES Kim et al. 2007
BOES WINERED Ikeda et al. 2016
2 BOES
Ashish Raj
.
(UT) t [ ] [ ]
2014/05/01 21 1200 27,000 BOES
2014/05/13 33 1200 27,000 BOES
－ 36 －
(UT) t [ ] [ ]
2014/05/01 21 1200 27,000 BOES 2014/05/22 42 600 72,000 HDS
2014/06/15 66 1200 27,000 BOES
2014/09/21 164 1200 27,000 BOES 2014/09/27 170 4,400 28,000 WINERED
t=0
V2659 Cyg HDS BOES WINERED
4
4.1
/HDS (t=33 d)
Arai et al. (2016) Arai et al. (2016) He I
Fe II Ti II, Cr II H I Fe II
(LVC) (HVC) v= 620 km/s v= 1300 km/s
－ 37 －
Arai et al. (2016) t=33d
BOAO/BOES t=21d, t=42d, t=66d t=169d, 170d
3.5 2 V2659 Cyg
Fe II 5018
HDS BOES
－ 38 －
LVC HVC Fe
II 5018
4.2 LVC HVC
Fe II 5018 Na I D 5899 LVC HVC
LVC HVC
fitting
－ 39 －
Fe II 5018 Na I D 5899 LVC HVC
LVC HVC
Na I D 5899 0.0 eV
Fe II 5018 10.3eV
LVC HVC
filling-factor 1
－ 40 －
Arai et al. (2016)
Fe II gf
LVC HVC
LVC HVC
L2
a few revolutions?
Li et al. (2017)
(nova wind)
Li et al. 2017
ballistic
flow (Prialnik1986)
Mason et al. 2018 ballistic
－ 41 －
t=33d gf
4.3 HVC
LVC HVC
HVC
HVC
Shore (2012) Mason et al. (2018) moving ionization front
2011 T Pyx
Shore (2012) T Pyx Shore (2012)
－ 42 －
HVC
HVC t=21d
t=33, 42, 66 d
HVC
v r
(r) r / vmax t ,
Fe III, Fe II, Fe I
(Tph)
UV X Fe II
Fe III
－ 43 －
Fe II
1—5
Fe II 1—4
Fe III 1 2
F2+ Fe II
HVC
HVC
Mason et al. (2018) V1309 Cen UV C N
filling factor Mason
et al. 2018 LVC HVC
HVC
Mason et al. (2018)
filling factor
t (d) t (d)
Vm
in (k
m/s
)
Vm
ax (k
m/s
)
－ 44 －
filling factor
HVC
ballistic flow
HVC
4.4 LVC
HVC
LVC
LVC LVC HVC
LVC
HVC
FWHM HVC
Arai et al. (2016) t= 33d LVC
optically thick wind LVC 4.2
THEA 80%
80%
Williams & Mason 2010
v (r / vmax × t)
(We can observe)
Fe II
－ 45 －
Williams et al. (2008) Williams (2013) LVC
Li et al. (2017) L2 TNR
LVC HVC
53 7Be Li et al. (2017)
Mason et al. (2018) LVC HVC
Mason et al. (2018) LVC HVC
Williams
LVC HVC
LVC HVC
LVC HVC
LVC
－ 46 －
4.5
[O I] [O III] He I 10830 600 km/s
+400 km/s
He I 10830
FWHM 900 km/s t=66d LVC
FWHM 1700 km/s HVC
( 1600 km/s) Mason et al. (2018)
Mason et al. (2018)
Mason et al. (2018)
V2659 Cyg
biconical
structure
V2659 Cyg HVC
LVC
－ 47 －
He I
5
LVC
HVC V2659
Cyg ( 2014)
－ 48 －
Mason et al. (2018) 1
Mason et al. (2018)
MMRD7Be Li et
al. (2017)
LVC
LVC
HVC
Mason et al. (2018)
Arai, A., Kawakita, H., Shinnaka, Y. & Tajitsu, A. 2016, ApJ, 830, 30
Chomiuk, L., Linford, J. D., Yang, J., 2014, Natur, 514, 339
Derdzinski, A.M., Metzger, B.D., Lazzati, D., 2017, MNRAS, 469, 1314
Ikeda, Y., Kobayashi, N., Kondo, S., et al., 2016, SPIE, 9908, 5
Kim, K., Han, I., Valyavin, G. G., et al., 2007, PASP, 119, 1052
Kogure, T., & Leung, K.-C. (ed.) 2007, The Astrophysics of Emission-Line Stars (Vol. 342;
Berlin: Springer)
Li, K., Metzger, B., Chomiuk, L., et al. 2017, NatAs, 1, 697
Molaro, P., Izzo, L., Mason, E., Bonifacio, P., Della Valle, M., 2016, MNRAS, 463, 117
Mason, E., Shore, S. N., D. G. Aquino, I., Izzo, L., Page, K., Schwarz, G. J., 2018, ApJ, 853, 27
McLaughlin, D. B., 1950a, PA, 58, 50
McLaughlin, D. B., 1950b, PASP, 62,185
McLaughlin, D. B., 1965, POMic, 9, 113
Noguchi, K., Aoki, W., Kawanomoto, S., et al., 2002, PASJ, 54, 855
Prialnik, D., 1986, ApJ, 310, 222
－ 49 －
Shore, S. N. 2012, Bulletin of the Astronomical Society of India, Vol. 40, p. 185
Strope, R. J., Schaefer, B. E., Henden, A. A., 2010, AJ, 140, 34
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－ 50 －
