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UBVRI UV CET

01.03.02 ­

-

- ­ 2015

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- « » : , - , : , - , , - , - « » : , . .. () 5 2015. 12 . 45 . 002.120.01 () ( ) : 196140, . -, , 65 www.gao.spb.ru « __ » _______ 2015.
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UV Cet ­ 40% 90% [1]. , [2]. UV Cet ­ , 23 . , , . , . ­ . , , , 11- . . ­ , , UV Cet . . ~ 3300 ~ 9000 , , UBVRI. 3


, , . , , . . , (), , e ­ p, . , UBVRI . . . (5 ­ 19 ) U (~ 0.15 mag). . 90- . (0.1 ) . , . () , -
4


1 [3,4]. . . : 1. 1.25- -11 "" ( 0.01) (0.1 ). 2. , , . 3. , UBVRI- 1.25- -11 "". . 4. . UV Cet: EV Lac, AD Leo, YZ CMi. UV Cet: EV Lac, AD Leo, YZ CMi. , 5


: , , , - -, . . , UBVRI . , 1972. [5] . 1998. [4]. 0.5-1m. . . . . , . . : 1. 2002., , ;
6

"-2002", 12-16




2. " -2005", 22-26 2005., , ; 3. " ", 12-19 2005., , , ; 4. (-2010) " ", 13-18 2010., , . , ; 5. , 30- , 27-30 2011 ., .

, , . " " : 0101U002224 (2001-2003), 0103U002158 (2004-2006), 0106U012583 (20072009), 0109U008873 (2010-2012). . : ; , ; . .
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: RS CVn, BY Dra, -. , . . [1] . [5] 1952-2008 . [4] [7] ­ , . [2] [3] ­ , , , . [6] . [8] , . UBVRI 1.25- -11 2001-2010 . . , -11 . . , , , . 119 , 105 , 35 ,
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8 130 . , , , , , , . 1 , , , . UV Cet XX , . dM3e-dM6e, 6m , . UV Cet- , (, , , 11-), , , , .. , . UV Cet , , . 90% . , UV Cet, - , M3e-M6e .
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. UV Cet . ( , , ), . , , . 1972 . 13 , . 25% . EV Lac - 1998 . , .. . () . , , . , , , , [6].
10


. , , UBVRI. UV Cet 1986 ­ 1995. , UBV () 10 000 25 000 , [7,8]. 10-20. . , [9]. 1996 . . ( .., , ) (0.1 ) . , . .
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2 (SNT) , SNT 1.25- . . . SNT , , . SNT , , : , 2- 60-; , 1.25-, 50"; , , 30"; , 2- , 60-, . SNT , . GPS 0.001 UTC. , ­ 0.1. SNT 1.25- -11 2001. 2001-2010 110 350 UV Cet. 3 . S/N . , , S/N, . . n(i) h(i):

12


sin c k h k h k k

I 0 1 k l I 0

2

,

Io(x) ­

, ­ , l ­ . : ( c), d , . c , (..

c) .
: n

N,

N 0 c , 0 = 1/(2t) ­ -

, ­ . - -. , , . . . ­ . , . ( 1986-1995). , 1.
13


, ­ (±2) . , , , . ( 5) , . . s S (10
0.4 U

1)

FU

0

FU

, S ­ -

, U - U, FUo FU ­ Tbb. 4 . 8 , : EV Lac, AD Leo YZ CMi. EV Lac 11.09.1998 (Tmax = 21:55:09UT, U=2.00m , T ~ 90 ) UBVRI 1.25- . B 0.76- . 1.25- , , . , ( 1m 10), , . , . EV Lac 14.09.2004 . (Tmax = 20:31 UT, U > 2m , T ~ 40 ) : 2- (), 50" 1.25- -11 (). 14


(c = 0.167 , d = 0.1 , 50 ) , . ~ 4.5 , ­ . - 95% , 3-5 20 . U I 1.25- -11 , 4.5 6.3 99%. , U I, . EV Lac 12.09.2004 . (Tmax = 22:53 UT, U ~ 1.5m , T > 150 ). SNT , , . U, , , . . , 17, 8 6 . - , , 17 . EV Lac 15.10.1996 10.10.1998 , , . B-V , 15 25 . AD Leo 4.02.2003. B-V ( ~ 0.5m ) 13 18 .
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YZ CMi 9.02.2008 U=5.68

m

-

2- . 19522008 325 YZ CMi U, , 9.02.2008 YZ CMi. 5 4 EV Lac AD Leo. , 3, . . EV Lac 14.09.2004. , (± 5 ) Tbb (20000 ± 2000) K ~ 18500 K . Bac , Te ~ 8000 ­ 10000 K. Bac Te ~ 10000 K. , 1m . EV Lac 12.09.2004 , Bac Te ~ 10000 , 10 Tbb = 22000 ­ 17000 K 18500 K. , Bac , . EV Lac 15.10.96 10.10.98 . ( 2000, 77, 777). , , ( 20000 1 0000 K).
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. . EV Lac 15.10.1996 . 86 Tbb ~ 15000 K. 1 . 20000 12000 , Bac1 (>15). EV Lac 10.10.1998 78 16000 . 1 , 14000 . , Te 14000 ­ 15000 K 5 , Bac 1 Bac < 1. AD Leo 4.02.2003. 3 U = 1.65m, ~0.2m, 1.76m. , , . 10%
Bac

< 1, Te ~

10000 K Ne ~ 1010 -3. Tbb ~ 21000 ± 1000 K, 20 Tbb ~ 14000 K. Tbb ~ 9000-10000 K. ( ~ 1.5 ). Bac 1 (. 1).
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Bac Bac

1 Bac

< 1

<1


. 1. 1- AD Leo 4.02.2003. . U 7% Te ~ 11000 ± 1000 K. 4-5 Tbb ~ 13000-17000 K, 13- Tbb ~ 13000 . 3.5 , Bac 1 Te 10000 15000 K. , . . Tbb 6 U 1.49m 3.73
m Bac

1.



. -

[10]. (U ~ 0.2m) AD Leo , , . .

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1. 110 2001-2010 1.25- -11 UBVRI UV Cet. . 350 UBVRI (0.1). 2. 4.5 25 ~ 0.05m. , 0.5-1m . , , . 3. UBVRI- , 1.25- -11 . . : ) Bac ; ) ( 20-30 3 ) ; ) Bac; ) Bac; ) Bac . 4. .
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: Tbb 2000-3000 10000-11000 K. 5. , , U ~ 0.2m. , , . : 1. , UBVRI 0.1 . . 2. . 0.5-1m. 3. . : Bac , ­ , ­ Bac , ­ Bac . 4. . . ( 20-30 3 ) Tbb 2000-3000 10000-11000 K.
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5. , . 32 , 8 8 . 2 , , 6 ; 1 . 2 2 . : 1. B. Zhilyaev, Ya. Romanyuk, O. Svyatogorov, I. Verlyuk, I. Alekseev, M. Lovkaya, S. Avgoloupis, M. Contadakis, J. Seiradakis, A. Antov, and R. Konstantinova-Antova, Fast UBVRI colorimetry of stellar flares on EV Lacertae // Kinematics and Physics of Celestial Bodies. Supplement ­ 2003. ­ No 4. ­ P. 30­35. 2. M.N.Lovkaya, B.E.Zhilyaev, Colorimetry of two flares on EV Lacertae from UBVRI observations in 2004 // Odessa Astron. Publ. ­ 2006. ­ Vol. 18.­ P. 74­ 77. 3. .., .., EV Lac UBVRI 2004 // . . . . ­ 2007. ­ . 103, 3. ­ . 158­168. 4. Zhilyaev, B. E.; Romanyuk, Ya. O.; Svyatogorov, O. A.; Verlyuk, I. A.; Kaminsky, B.; Andreev, M.; Sergeev, A. V.; Gershberg, R. E.; Lovkaya, M. N.; Avgoloupis, S. J.; Seiradakis, J. H.; Contadakis, M. E.; Antov, A. P.; Konstantinova Antova, R. K.; Bogdanovski, R. Fast colorimetry of the flare star EV Lacertae from UBVRI observations in 2004// Astron. Astrophys. ­ 2007. ­ V. 465. ­ P. 235­240.
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5. . ., . ., . ., . ., . ., . ., . ., . ., . ., . . YZ CMi 9 2008 . // . . . ­ 2011. ­ .27, N3, ­ C.75-84. 6. .., EV Lac UBVRI 1996-1998 // ­ 2012. ­ .108, ­ C.157-165. (Lovkaya M. N. Colorimetry of two large flares of EV Lac according to UBVRI observations in 1996-1998 // Bull. of the Crimean Astrophys. Obs. ­ 2012. ­ Vol. 108, 1. ­ .110­114. ) 7. B. Zhilyaev, O. Svyatogorov, I. Verlyuk, M. Andreev, A. Sergeev, M. Lovkaya, S. Antov, R. Konstantinova-Antova, R. Bogdanovski, S. Avgoloupis, J. Seiradakis, and M.E. Contadakis. The Synchronous Network of distant Telescopes // Bulgarian Astronomical Journal ­ 2012. ­ V.18. ­ 1. ­ P.62­70. 8. .. AD Leo 04.02.2003 // . .­2013.­ .90, 8.­ . 657­ 664. (Lovkaya M. N. Analysis of the fine temporal structure of optical flares on AD Leo on February 4, 2003 // Astronomy Reports ­ 2013. ­ Vol. 57, No. 8. ­ P. 603­ 610.) : 1. 2. 3. . . Gershberg, R. E. UV Cet­Type Flare Stars / R. E. Gershberg, S. B. Zhilyaev B.E. Detection of high­frequency optical oscillations on the

/ . . ­ : , 2002. ­ 688. Pikel'ner // Comments Astrophys. Space Physics ­ 1972. ­ V.4. ­ P.113 ­ 120. flare star EV Lacertae / B.E. Zhilyaev, Ya.O. Romanyuk, I.A. Verlyuk, et al. // Astron. Astrophys. ­ 2000. ­ V. 364. ­ P. 641­645.

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4.

Zhilyaev B. Fast UBVRI colorimetry of stellar flares on EV Lacertae /

B. Zhilyaev, Ya. Romanyuk, M. Lovkaya, et al. // Kinematika i Fizika Nebesnykh Tel, Suppl. ­ 2003. ­ No 4. ­ P. 30 ­ 35. 5. 6. Rodono M. Short­lived flare activity of the Hyades flare star H II 2411 / .. M. Rodono // Astron. And Astrophys. ­ 1974. ­ V. 32. ­ P. 337­341. / .. , .. , .. , .. // . . ­ 2005. ­ . 31. ­ .684­ 692. 7. 8. .. / .. , .. Gershberg, R. E Some results of international campaigns initiated by the // ­ 1977. ­ . 13 ­ . 587 ­ 603. Crimean Astrophysical Observatory for investigation of flare stars / R. E. Gershberg, N. I. Shakhovskaya // Kinematika i Fizika Nebesnykh Tel, Suppl. ­ 2000. ­ . 3. ­ P. 309­321. 9. . . : / . . , . . // . . ­ 1991. ­ .68. ­ .131 ­ 157. 10. Alekseev I.Yu. The Activity of the Red Dwarf Star EV Lac from UBVRI Observations in Crimea in 1986­1995 / I.Yu. Alekseev and R.E Gershberg // The Earth and the Universe. Eds. G. Asteriadis, A. Bantelas, M.E. Contadakis et al., Aristotle University of Thessaloniki, Thessaloniki: Ziti Editions. ­ 1997. ­ P. 43­59.

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