2001A&A...372L...1U


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.19CEST15:22:51

2001A&A...372L...1U - Astronomy and Astrophysics, volume 372, L1-4 (2001/6-2)

Discovery of circular polarization in the Intermediate Polar 1WGA J1958.2+3232.

USLENGHI M., TOMMASI L., TREVES A., PIIROLA V. and REIG P.

Abstract (from CDS):

We report on UBVRI polarimetry of the recently identified Intermediate Polar 1WGA J1958.2+3232, carried out on 2000 August, 4-6 at the Nordic Optical Telescope. Circular polarization was detected in R and I bands with an increasing absolute mean value with wavelength. There is evidence of possible modulation of the circular polarization at twice the previously reported white dwarf spin period, suggesting that it is the true period and that the modulation in optical and X-ray is dominated by the first harmonic. Indication of modulation at the orbital period is also present.

Abstract Copyright:

Journal keyword(s): stars: individual: 1WGA J1958.2+3232 - novae, cataclysmic variables - binaries: close - stars: magnetic fields - polarization

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 - 2019
#notes
1 HD 15445 * 02 28 41.85574 -19 47 55.8491   8.32 7.94     F2V 24 1
2 V* V405 Aur DQ* 05 57 59.2933859041 +53 53 44.925664551           ~ 108 0
3 V* BG CMi DQ* 07 31 29.0080158732 +09 56 23.029183793   14.5       ~ 203 0
4 V* PQ Gem DQ* 07 51 17.3278781437 +14 44 23.875020784           ~ 203 0
5 V* DO Dra DN* 11 43 38.4924789768 +71 41 20.559348288       13.747   DQ 194 1
6 V* V2400 Oph DQ* 17 12 36.4232271717 -24 14 44.775129023     14.5     ~ 127 0
7 V* V2306 Cyg XB* 19 58 14.4693308282 +32 32 42.002218648 15.16 15.94 15.71 15.76   ~ 55 0
8 HD 331891 * 20 12 02.1493609779 +32 47 43.690280981   9.53 9.31     A0 45 0
9 HD 204827 SB* 21 28 57.7601719555 +58 44 23.223287944 8.63 8.74 7.94 7.25 6.76 O9.5IV 288 0
10 BD+28 4211 HS* 21 51 11.0220905905 +28 51 50.366090892 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 721 0

    Equat.    Gal    SGal    Ecl

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2019.10.19-15:22:51

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