2014MNRAS.445.3105D

Query : 2014MNRAS.445.3105D

2014MNRAS.445.3105D - Mon. Not. R. Astron. Soc., 445, 3105-3114 (2014/December-2)

Flux-density spectral analysis for several pulsars and two newly identified gigahertz-peaked spectra pulsars.

DEMBSKA M., KIJAK J., JESSNER A., LEWANDOWSKI W., BHATTACHARYYA B. and GUPTA Y.

Abstract (from CDS):

In this paper, we present results from flux-density measurements for 21 pulsars over a wide frequency range, using the Giant Metrewave Radio Telescope (GMRT) and the Effelsberg telescope. Our sample was a set of mostly newly discovered pulsars from the selection of candidates for gigahertz-peaked spectra (GPS) pulsars. Using the results of our observations along with previously published data, we identify two new GPS pulsars. One of them, PSR J1740+1000, with dispersion measure (DM) of 24 pc/cm3, is the first GPS pulsar with such a low DM value. We also selected several strong candidates for objects with high-frequency turnover in their spectra, which require further investigation. We also revisit our source selection criteria for future searches for GPS pulsars.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): pulsars: general - pulsars: individual: J1740+1000 - pulsars: individual: J1852-0635

Simbad objects: 28

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Number of rows : 28
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 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 852 0
2 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
3 PSR J1550-5418 Psr 15 50 54.18 -54 18 23.9           ~ 463 1
4 PSR J1622-4950 Psr 16 22 44.80000 -49 50 54.5000           ~ 169 0
5 3C 345 Bla 16 42 58.80997043 +39 48 36.9939552   16.81 16.59 16.84   ~ 1808 3
6 PSR J1705-3950 Psr 17 05 29.84 -39 50 59.0           ~ 45 0
7 PSR J1723-3659 Psr 17 23 07.580 -36 59 13.90           ~ 45 0
8 PSR J1739-3023 Psr 17 39 39.85 -30 23 11.2           ~ 54 0
9 PSR J1740+1000 Psr 17 40 25.91 +10 00 06.0           ~ 110 0
10 PSR J1744-3130 Psr 17 44 05.8073853360 -31 30 04.275356436           ~ 19 0
11 PSR J1751-3323 Psr 17 51 32.75 -33 23 39.0           ~ 29 0
12 PSR B1752-25.3 Psr 17 55 19.31 -25 21 09.0           ~ 12 0
13 PSR J1812-2102 Psr 18 12 20.93 -21 02 36.0           ~ 11 0
14 PSR B1811+40 Psr 18 13 13.281 +40 13 39.03           ~ 67 0
15 PSR J1834-0731 Psr 18 34 16.0 -07 31 07           ~ 29 0
16 PSR B1833-10.3 Psr 18 35 57.44000 -10 19 51.0000           ~ 35 0
17 PSR B1839-03.8 Psr 18 41 38.68 -03 48 42.6           ~ 44 0
18 PSR J1842-0905 Psr 18 42 22.138 -09 05 24.60           ~ 29 0
19 PSR J1852-0635 Psr 18 52 57.44800 -06 36 00.4500           ~ 41 0
20 PSR J1857+0143 Psr 18 58 15.46 +01 36 55.4           ~ 44 0
21 PSR J1901+0510 Psr 19 01 57.90 +05 10 36.5           ~ 15 0
22 PSR B1902+06.1 Psr 19 05 06.849 +06 16 16.70           ~ 26 0
23 PSR B1903+07 Psr 19 05 53.62 +07 09 19.4           ~ 43 0
24 PSR B1904+06 Psr 19 06 35.244 +06 41 02.90           ~ 55 0
25 PSR J1910+0728 Psr 19 10 22.079 +07 28 37.09           ~ 18 0
26 PSR B1916+14 Psr 19 18 23.638 +14 45 06.00           ~ 130 0
27 PSR J2007+2722 Psr 20 07.0 +27 22           ~ 19 0
28 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2541 1

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