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| Query : 1999ApJ...527L..51L |
1999ApJ...527L..51L - Astrophys. J., 527, L51-L54 (1999/December-2)
On the nature of the compact star in 4U 1728-34.
LI X.-D., RAY S., DEY J., DEY M. and BOMBACI I.
Abstract (from CDS):
The discovery of kilohertz quasi-periodic oscillations (kHz QPOs) in low-mass X-ray binaries (LMXBs) with the Rossi X-Ray Timing Explorer has stimulated extensive studies of these sources. Recently, Osherovich & Titarchuk suggested a new model for kHz QPOs and the related correlations between kHz QPOs and low-frequency features in LMXBs. Here we use their results to study the mass-radius relation for the atoll source 4U 1728-34. We find that, if this model is correct, 4U 1728-34 is possibly a strange star rather than a neutron star.
Abstract Copyright: ∼
Journal keyword(s): Accretion, Accretion Disks - Stars: Individual: Alphanumeric: 4U 1728-34 - Stars: Neutron - X-Rays: Stars
Simbad objects: 7
| Number of rows : 7 |
| 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 | V* QX Nor | LXB | 16 12 43.0 | -52 25 26 | ~ | 946 | 1 | |||||
| 2 | V* V818 Sco | LXB | 16 19 55.0692669024 | -15 38 25.017666540 | 11.60 | 12.40 | 11.1 | Oev | 1730 | 0 | ||
| 3 | V* V801 Ara | LXB | 16 40 55.5976953528 | -53 45 04.948107156 | 17.50 | 18.20 | 17.5 | 17.07 | ~ | 921 | 0 | |
| 4 | X Ara X-1 | LXB | 17 06 15.2 | -43 02 11 | ~ | 296 | 1 | |||||
| 5 | NAME Slow Burster | LXB | 17 31 58.0 | -33 49 58 | 15.50 | ~ | 865 | 1 | ||||
| 6 | V* V926 Sco | LXB | 17 38 58.2384053021 | -44 27 00.699118812 | 16.90 | 17.70 | 17.5 | ~ | 480 | 0 | ||
| 7 | PSR J1915+1606 | Psr | 19 15 27.99999 | +16 06 27.4034 | 22.5 | ~ | 1032 | 1 |
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