2001A&A...369L...1M

Query : 2001A&A...369L...1M

2001A&A...369L...1M - Astronomy and Astrophysics, volume 369L1-4 (2001/4-1)

Discovery of a bipolar and highly variable mass outflow from the symbiotic binary StHalpha 190.

MUNARI U., TOMOV T., YUDIN B.F., MARRESE P.M., ZWITTER T., GRATTON R.G., BONANNO G., BRUNO P., CALI A., CLAUDI R.U., COSENTINO R., DESIDERA S., FARISATO G., MARTORANA G., MARINO G., REBESCHINI M., SCUDERI S. and TIMPANARO M.C.

Abstract (from CDS):

A highly and rapidly variable bipolar mass outflow from StHα 190 has been discovered, the first time in a yellow symbiotic star. Permitted emission lines are flanked by symmetrical jet features and multi-component P-Cyg profiles, with velocities up to 300km/s. Given the high orbital inclination of the binary, if the jets leave the system nearly perpendicular to the orbital plane, the de-projected velocity equals or exceeds the escape velocity (1000km/s). StHα 190 looks quite peculiar in many other respects: the hot component is an O-type sub-dwarf without an accretion disk or a veiling nebular continuum and the cool component is a G7 III star rotating at a spectacular 105km/s, unseen by a large margin in field G giants.

Abstract Copyright: ∼

Journal keyword(s): binaries: symbiotic - stars: individual: StHα 190 - interstellar medium: jets and outflows

Simbad objects: 10

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Number of rows : 10
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 EM* MWC 560 Sy* 07 25 51.2842107720 -07 44 08.084175396   10.01 9.70 10.60   M4ep+Beq 223 0
2 V* TX CVn Sy* 12 44 42.0646091112 +36 45 50.621123592   10.96 10.15 9.79   K0III+B8/9_sh 129 1
3 BD-21 3873 Sy* 14 16 34.2914973552 -21 45 50.036218344   12.060 10.684     K2e 91 0
4 V* T CrB Sy* 15 59 30.1622265912 +25 55 12.613382940   11.516 10.247 9.70   M3IIIe_sh 810 0
5 Hen 3-1341 Sy* 17 08 36.5710647672 -17 26 30.408149004           M3.5 64 0
6 V* RS Oph Sy* 17 50 13.1591484960 -06 42 28.480729788   11.884 10.776 11.228   K5.5/M0IIIe 1163 0
7 V* CH Cyg Sy* 19 24 33.0657463320 +50 14 29.095038672 8.14 8.77 7.08   5.345 M7IIIab+Be 798 0
8 * 28 Vul * 20 38 31.9144811040 +24 06 57.452834412 4.35 4.915 5.049     B5IV 104 0
9 EM* StHA 190 Sy* 21 41 44.8876442736 +02 43 54.414342804   11.13 10.22     G5e 55 0
10 V* R Aqr Sy* 23 43 49.4634303216 -15 17 04.176349872   8.823 7.683 9.37   M6.5-8.5e 823 0

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