2004A&A...423..651M

Query : 2004A&A...423..651M

2004A&A...423..651M - Astronomy and Astrophysics, volume 423, 651-656 (2004/8-4)

Serpens X-1 observed by INTEGRAL.

MASETTI N., FOSCHINI L., PALAZZI E., BECKMANN V., LUND N., BRANDT S., WESTERGAARD N.J., AMATI L., CAROLI E., DEL SORDO S., DI COCCO G., DUROUCHOUX P., FARINELLI R., FRONTERA F., ORLANDINI M. and ZDZIARSKI A.

Abstract (from CDS):

Here we report results of an INTEGRAL-AO1 observation of the X-ray burst and atoll source Ser X-1 performed in May 2003. The object was observed for a total on-source time of 400ks but nearly 8° off-axis due to its amalgamation with an observation of SS 433, the pointing target source. Ser X-1 has been clearly detected up to 30keV with unprecedented positional accuracy for high-energy emission. The 20-30keV light curve showed substantial variability during the observation. Comparison with previous observations indicates that the source was in its high (``banana'') state and displayed a soft spectrum during the INTEGRAL pointing. A (non simultaneous) radio-to-γ-rays broad-band spectral energy distribution is also presented for the first time and discussed.

Abstract Copyright: ∼

Journal keyword(s): X-rays: binaries - X-rays: individual: Ser X-1 - stars: neutron

Simbad objects: 10

Full paper

View the references in ADS

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 - 2023	#notes
1	V* MM Ser	LXB	18 39 57.56	+05 02 09.6		19.2	19.2			~	341	0
2	2MASS J18453684+0051474	HXB	18 45 36.8356591776	+00 51 47.437790184			20.6			B0-2IV-Ve	107	0
3	2MASS J18553040-0236167	HXB	18 55 30.4058947392	-02 36 16.737653700						B0Iaep	92	0
4	XTE J1901+014	XB*	19 01 40.2	+01 26 31						~	57	1
5	4U 1901+03	HXB	19 03 39.3926409480	+03 12 15.758070228						OB	103	0
6	4U 1907+09	HXB	19 09 37.1382681824	+09 49 55.279554289		19.41	16.35	14.40	12.53	O8.5Iab	333	1
7	4U 1908+075	HXB	19 10 48.2133201408	+07 35 51.707133960						O7.5-9.5sg	117	0
8	SS 433	HXB	19 11 49.5647697480	+04 58 57.827127648		16.3	13.0			A7Ib:	2088	4
9	Granat 1915+105	HXB	19 15 11.55576	+10 56 44.9052						~	2559	0
10	V* V1405 Aql	LXB	19 18 47.871	-05 14 17.09	20.90	21.40	21.0			~	467	0

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