Australia Telescope National Facility

(1) Instituto Nacional de Pesquisas Espaciais, INPE, Divisão de Astrofísica

CP 515, S.José dos Campos – SP, 12201-970 Brazil

(E-mail:

This Catalogue lists coordinates, X-ray fluxes in different energy ranges, magnitudes and color indices, optical counterparts, orbital periods of binaries, pulsar periods and other characteristics of 226 X-ray sources (HMXBs, LMXBs, pulsars and galaxies) between d = - 73° and d = + 27° .

1. Introduction

The Catalogue lists 226 selected X-ray emitting objects with declinations between - 73° £ d £ + 27° . The information was obtained principally from the technical literature published from 1992 to May 1998. Some recently discovered sources, like RXTE 1550-56 and RXTE 2123–058, have also been included. The Table that lists the data follows the standard format used in Bradt & McClintock (1985) and van Paradijs (1995). However, the coordinates for both B1950 and J2000 have been included, as have the X-ray fluxes in six different energy ranges. This work up-dates and complements the two catalogues referred to above in the considered declination range.

In the Catalogue, the sources are ordered according to class (A: LMXBs; B: HMXBs and C: other sources) and right ascension. The numbers between square brackets refer to the publications from which the data were obtained, and additional information is given as key words. The Catalogue classifies 60 high-mass X-ray binaries (HMXBs), 35 of which have a pulsar, 124 low-mass X-ray binaries (LMXBs), 8 of which have a pulsar, 9 binaries, 7 of which have a pulsar, 9 simple pulsars, 7 galaxies, 1 quasar. There are 16 other sources without classification. Optical counterparts are known for 82 sources and they are also listed.

The Catalogue will be used to select X-ray sources to be observed with the MASCO telescope (Villela et al. 1995) that is being constructed to operate in the range 40 to 5000 keV. The MASCO telescope will be launched on board a balloon at the latitude -23° in Brazil. About one third of the sources emit above 30 keV and are concentrated in the Galactic Center, the main target of the MASCO telescope.

The Catalogue contents are explained below. The references cited are listed in numerical and alphabetic order at the end. The Catalogue is available electronically from the electronic version of the Publications of the Astronomical Society of Australia at http://www.atnf.csiro.au/pasa/16_2/meliani/.

1st. column: the source name related with its sky location in epoch 1950 (B) and/or 2000 (J), the conventional format is hhmm± ddd, where hh and mm indicate the hours and minutes of right ascension and ddd indicate the declination. If there is an alternative name, it is also given. The sources that emit above 30 keV are distinguished .

2nd. column:

first line: type of source;

second line:

a) if the source is in a binary system;

b) if the source is a pulsar:

third line: type of observation and source position error;

3rd. column:

first and second lines: right ascension (RA) and declination (DEC) in epoch 1950

third line: galactic longitude and latitude

4th. column.:

first and second lines: right ascension (RA) and declination (DEC) in epoch 2000

5th. column: optical counterpart, if known, and associations.

6th. column: magnitude and color indices of optical counterpart;

first line: V

second line: B-V

third line: U-B

7th. column:

first line: spectral type of optical counterpart

second line: interstellar reddening, E_B-V

8th. column: X-ray fluxes, F_x in units of 10^-5 photons cm^-2 s^-1 keV^-1 in the ranges:

first line: 2 - 10keV (or 0.1 - 2.4 keV for those sources indicated by a *).

second line: 40 - 80 keV (or 10 - 40 keV for those sources indicated by a *).

third line: 80 - 180 keV

9th. column: X-ray fluxes, F_x in units of 10^-5 photons cm^-2 s^-1 keV^-1 in the ranges:

first line: 200 – 600 keV

second line: 600 - 1000 keV

third line: up 1000 keV

The annotation nnEn it is equivalent to nn x 10ⁿ

10th. column:

first line: orbital period in days (d) or hours (h)

second line: pulsar period in seconds (s) or milliseconds (ms)

third line: X-ray catalogues and experiments in which the source was listed and/or

detected

A : Ariel V sky survey ( McHardy et al., 1981, Warwick et al., 1981)

H : HEAO A-4 sky survey ( Levine et al., 1984)

M : MIT OSO-7 sky survey ( Markert et al., 1979)

U : Uhuru sky survey ( Forman et al., 1978)

X : A catalogue of X-ray binaries ( van Paradijs, 1995)

As: ASCA

B: Beppo Sax

Bb: Broad Band X-ray Telescope (BBXRT)

C : Compton g -ray Observatory (Batse, GRO)

Cb: Cos B:

E : Einstein

Eg: Egret

Exo : Exosat

FII: Figaro II (X and g ray)

G : Ginga

Gr : Granat

Ha : Hakucho

K : Kvant

OAO : Orbiting Astronomical Observatory

P: Prognoz 9

R : ROSAT

Rx: Rossi X-ray Timing Explorer (RXTE)

S : SAS 3

S2: SAS2:

SL : Space Lab

T : Tenma

V : Vela-5 and -6 satellites

The symbol ( : ), that follows some values, indicates imprecise data.

Acknowledgments

This work was supported by the "Fundação de Amparo à Pesquisa do Estado de São Paulo - Fapesp" process numbers 95/09831-2 and 98/07641-0. The author acknowledges Dr. Walter F. Velloso Jr. for his suggestions.

References

- Bradt H.V. and McClintock J.E.:1983, Ann.Rev.Astron.Astrophys. 21, 13

- Forman W., Jones C., Cominsky L., Julien P., Murray S., Peters g., Tanabaum H., Giacconi R.: 1978, ApJS 38, 357 (IV Catalog Uhuru)

- Levine A. M., Lang F.L., Lewin W.H.G. et al.: 1984, ApJS 54, 581 (HEAO1-A4 Catalog)

- Markert T.H., Winkler P.F., Laird F.N., Clark G.W., Hearn D.R., Sprot G.F., Li F.K., Bradt H.V., Lewin W.H.G., Schnopper H.W.: 1979, ApJS 39,573

- McHardy I.M., Lawrence A., Pye J.P., Pounds K.A.:1981, MNRAS 197, 893

- van Paradijs J.: 1995, ‘A catalogue of X-ray Binaries’ in X-Ray Binaries eds.: W.H.J. Lewin, J.van Paradijs and E.P.J. van den Heuvel, pg. 536

- Villela T., Braga J., D’Amico F., Jayanthi U.B.: 1995, Adv. Space Res. 15, 98

- Warwick R.S., Marshall N., Fraser G.W., Watson M.G., Lawrence A., Page C.G., Pounds K.A., Ricketts M.J.: 1981, MNRAS 197,865

Tables

Table 1: List of objects in lexicographical order.