2010A&A...509L...9C


C.D.S. - SIMBAD4 rel 1.7 - 2020.12.02CET15:32:12

2010A&A...509L...9C - Astronomy and Astrophysics, volume 509, L9-9 (2010/1-1)

The ongoing outburst of the new symbiotic star IPHAS J190832.31+051226.6.

CORRADI R.L.M., MUNARI U., GREIMEL R., RUBIO-DIEZ M.M., SANTANDER-GARCIA M., RODRIGUEZ-GIL P., DREW J.E., LEISY P., LIIMETS T. and SALE S.E.

Abstract (from CDS):

Eleven new symbiotic stars have recently been discovered with IPHAS, the INT Hα survey of the Northern Galactic plane. The star IPHAS J190832.31+051226.6 was proposed as an additional candidate on the basis of the existing spectrum. Here, we investigate the nature of this source by means of additional observations. Photometric data, optical spectra obtained in 2006 and 2009, a higher resolution spectrum resolving the Hα profile, and near-IR spectra of IPHAS J190832.31+051226.6 are all presented. The source brightened in the r band by 2.3mag from 2004 to 2009. From 2006 to 2009, the spectrum has evolved from one with the obvious continuum of an M giant star plus HI and HeI lines in emission to a lower excitation nebular spectrum with HI, CaII, and FeII emission and a bluer continuum in which the absorption bands of the red giant are only visible at wavelengths longer than 7500Å. The Hα line is broad with a deep central absorption and extended wings. The averaged rate of the brightness increase, the rise of a blue continuum overwhelming the absorption bands of the M giant, and the corresponding decline of the ionization condition of the emission-line spectrum, are all consistent with the hypothesis that IPHAS J190832.31+051226.6 is a new symbiotic star picked up during the onset of a symbiotic nova outburst that is still in progress at the time of writing.

Abstract Copyright:

Journal keyword(s): binaries: symbiotic

Simbad objects: 9

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Number of rows : 9

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 V* RX Pup Sy* 08 14 12.3036011353 -41 42 29.086820756   12.39 9.00     M5.5 192 1
2 V* BI Cru Sy* 12 23 25.9928834665 -62 38 15.987814001 12.06 12.18 11.00 10.71   M2/3 124 0
3 EM* AS 239 No* 17 43 33.3217797498 -22 45 36.936082814   12       M8 48 0
4 V* FG Ser Sy* 18 15 07.1024604258 -00 18 52.284453619           M3e 106 0
5 V* V4368 Sgr Sy? 18 54 40.3171036103 -19 41 59.693299158   12.70 11.97 10.36 9.64 F5Ia/Iabe 20 0
6 IPHAS J190832.31+051226.5 Sy* 19 08 32.3144996711 +05 12 26.552909805           M4-5III 5 0
7 PN Ap 3-1 Sy* 19 10 36.1326165636 +02 49 28.139687942     15.9     M5 42 1
8 V* CI Cyg Al* 19 50 11.8344401438 +35 41 03.000692799   11.97 9.90     Bep+M5III 407 0
9 V* V1329 Cyg Sy* 20 51 01.2322054447 +35 34 54.111427235           M4IIIe 296 2

    Equat.    Gal    SGal    Ecl

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2020.12.02-15:32:12

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