New weak-line T Tauri stars in Orion from the ROSAT all-sky survey

Astronomy and Astrophysics Supplement Series

Volumn 119, Issue 1, 1996, Pages 7-24

  Alcala J M ^a,b,c,d,e,f  

^a MAX PLANCK INSTITUT FÜR EXTRATERRESTRISCHE PHYSIK   (Germany)

^b INAF OSSERVATORIO ASTRONOMICO DI CAPODIMONTE   (Italy)

^c UNIVERSITÄT HEIDELBERG   (Germany)

^d MAX PLANCK INSTITUT FÜR ASTRONOMIE   (Germany)

^e Instituto de Astronomía

^f INSTITUTO NACIONAL DE ASTROFÍSICA   (Mexico)

Author keywords

Ism: Orion star forming region; Stars: Pre main sequence; X rays: Stars

Indexed keywords

EID: 0039084461     PISSN: 03650138     EISSN: None     Source Type: Journal    
DOI: 10.1051/aas:1996224     Document Type: Article

References (44)

1. Alcalá J.M., Covino E., Franchini M., et al., 1993, A&A 272, 225
2. Alcalá J.M., Krautter J., Schmitt J.H.M.M., et al., 1995, A&AS 114, 109 (A95)
3. Arellano-Ferro A., Parrao L., 1988, Techn. Report No. 57, Instituto de Astronomia, UNAM, Ap. Postal 70-264, Mexico 04510, D.F.
4. Blaauw A., 1991, in "The physics of star formation and early stellar evolution". In: Lada C.J., Kylafis N.D. (eds.), Vol. 342 of NATO ASI Series C. Dordrech: Kluwer
5. Bodenheimer P., 1965, ApJ 142, 459
6. Brand J., Wouterloot J.G.A., 1991, in "Low mass star formation in southern molecular clouds". In: Bo Reipurth (ed.), ESO Scientific Report No. 11, p. 1
7. Crawford D.L., 1979, in "Problems of Calibrations of Multicolor Photometric Systems". In: Philip A.E. (ed.), Dudley Obs. Rep. No. 14
8. Crawford D.L., Barnes J.V., 1970, AJ 75, 978
9. Duerr R, Imhoff C.L., Lada C.J., 1982, ApJ 261, 135
10. Echevarría J., Murillo J., Hiriart D., 1991, Manual de Usuario del Fotómetro Cuenta PulsosII, Observatorio Astronómico
11. Nacional, Apartado postal 877, Ensenada 22800, B.C. México
12. Feigelson E.D., 1987 in Protostars and molecular clouds. In: Montmerle Th. and Bertout C. (eds.), CEN Saclay, Gif-sur-Yvette, p. 123
13. Gagné M., Caillault J-P., 1994, ApJ 437, 361
14. Genzel R., Stutzki J., 1989, ARA&A 27, 41
15. Giacconi R., Gursky H., 1974, "X-ray Astronomy". Dordrecht: Reidel
16. Guenther E., 1995, in Proceedings of the ESO workshop "The role of dust in the formation of stars". In: Ralf Siebenmorgen and Hans Ulrich Käufl. (eds.)
17. Harris W.E., Fitzgerald M.P., Reed B.C., 1981, PASP 93, 507
18. Herbig G.H., Bell K.R., 1988, Lick Observatory Bulletin, No. 1111
19. Kogure T., et al., 1989, PASJ 41, 1195
20. Krautter J., Alcalá J.M., Wichmann R., Neuhäuser R., Schmitt J.H.M.M., 1994, Rev. Mex. Astron. Astrofis. 29, 41
21. Ku W.H.-M., Chanan G.A., 1979, ApJ 228, L33
22. Landolt A.U., 1983, AJ 88, 439
23. Maddalena R.J., Morris M, Moscowitz J., Thaddeuss P., 1986, ApJ 303, 375
24. Mitchell R., 1960, ApJ 132, 68
25. Neuhäuser R., Sterzik M.F., Schmitt J.H.M.M., Wichmann R., Krautter J., 1995, A&A 297, 391
26. Nissen P., 1984 Technical Report of the SPMO, Instituto de Astronomía, P.O. Box 439027, San Diego, CA 92143-9027, U.S.A.
27. Olsen E.H., 1983, A&AS 54, 55
28. Olsen E.H., 1984, A&AS 57, 443
29. Pfeffermann E., et al., 1986, Proc. SPIE 733, 519
30. Preibish Th., Neuhäuser R., Alcalá J.M., 1995, A&A 304, L13
31. Roth M, Iriarte A., Tapia M., Reséndiz G., 1984, Rev. Mex. Astron. Astrofis. 9, 25
32. Schuster W.J., 1982, Rev. Mex. Astron. Astrof. 5, 149
33. Schuster W., Nissen P., 1988, A&AS 73, 225
34. Sterzik M., Alcalá J.M., Neuhäuser R., Schmitt J.H.M.M., 1995, A&A 297, 418
35. Strömgren B., 1966, ARA&A 4, 433
36. Tapia M., Neri L., Roth M., 1986, Rev. Mex. Astron. Astrofis. 13, 115
37. Terranegra L., Chavarría-K. C., Díaz S., González-Patiño D., 1994, A&AS 104, 557
38. Trümper J., et al., 1991, Nat 349, 579
39. Voges W., 1992a, Satellite Symp. No. 3 ESA ISY-3, p. 155
40. Voges W., 1992b, The ROSAT all-sky survey and the first identifications of X-ray sources using digitised optical plates. In: MacGillivray H.T., Thomson E.B. (eds.), Digitised optical sky surveys. Kluwer, p. 452-463
41. Walter F.M., Brown A., Mathieu R.D., Myers P.C., Vrba F.J., 1988, AJ 96, 297
42. Wichmann R., et al., 1995, A&A (submitted) (W95)
43. Wiramihardja S.D., et al., 1989, PASJ 41, 155
44. Zimmermann, et al., 1994, EXSAS user's Guide MPE Report No. 257