2009AJ....138..787M

Query : 2009AJ....138..787M

2009AJ....138..787M - Astron. J., 138, 787-795 (2009/September-0)

The closely positioned three radio transients in the nasu 1.4 GHz wide-field survey.

MATSUMURA N., NIINUMA K., KUNIYOSHI M., TAKEFUJI K., ASUMA K., DAISHIDO T., KIDA S., TANAKA T., AOKI T., ISHIKAWA S., HIRANO K. and NAKAGAWA S.

Abstract (from CDS):

In 2004, we started the Nasu 1.4 GHz wide-field survey to study the dynamic universe by simultaneously performing the surveillance of the wide-field sky. We have detected six radio transients with flux densities larger than 1 Jy. In this paper, we report the detection of three new radio transients in the drift-scanning observations at δ ∼ +41°.7. Based on their positions in the sky and flux densities, we considered the candidate types of astronomical objects for transients. As a result, it is suggested that the three radio transients could be massive radio flares associated with known extragalactic sources, such as active galactic nuclei, which are usually very faint in X-ray and radio wavelengths. The three transients were found in the sky of 2°x1°, while nine transients, including the three transients reported in this paper, are distributed at both high and low Galactic latitude. According to the observational results, we suggest that the wide-field survey simultaneously performed would be useful in searching for radio transients to study the dynamic radio sky.

Abstract Copyright: ∼

Journal keyword(s): radio continuum: general - techniques: interferometric

Simbad objects: 44

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Number of rows : 44
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 GRB 970327 gB 01 51.6 +39 58           ~ 2 0
2 WJN J0200+4142 Rad 01 58 43 +41 42.0           ~ 2 0
3 2MASX J01584481+4200126 G 01 58 44.8031574504 +42 00 13.036127688           ~ 9 0
4 NVSS J015848+414018 Rad 01 58 48.17 +41 40 18.4           ~ 3 1
5 NVSS J015851+420708 Rad 01 58 51.68 +42 07 08.0           ~ 2 1
6 LEDA 2188870 G 01 59 32.7 +41 54 14           ~ 2 0
7 NVSS J020021+420518 Rad 02 00 21.24 +42 05 18.9           ~ 3 1
8 NVSS J020102+413537 Rad 02 01 02.80 +41 35 37.5           ~ 2 1
9 WJN J0202+4142 Rad 02 01 06 +41 42.0           ~ 2 0
10 LEDA 2192795 G 02 01 06.2 +42 07 20           ~ 2 0
11 LEDA 2180276 G 02 01 55.1 +41 22 59           ~ 2 0
12 LEDA 2186642 G 02 02 34.4 +41 46 37           ~ 1 0
13 NVSS J020243+415440 Rad 02 02 43.31 +41 54 40.6           ~ 2 1
14 ICRF J020243.6+420516 BLL 02 02 43.65330020 +42 05 16.3330254       18.80   ~ 35 1
15 NVSS J020244+412355 Rad 02 02 44.46 +41 23 55.8           ~ 3 1
16 NVSS J020246+412136 Rad 02 02 46.94 +41 21 35.7           ~ 2 1
17 WJN J0205+4142 Rad 02 03 47 +41 42.0           ~ 2 0
18 NVSS J020438+415341 Rad 02 04 39.37 +41 53 44.3           ~ 3 1
19 NVSS J020445+414943 Rad 02 04 45.7647 +41 49 44.285           ~ 5 1
20 NVSS J020445+414152 Rad 02 04 45.8754504936 +41 41 52.218810060           ~ 6 1
21 GRB 970918 gB 02 06.0 +40 11           ~ 3 0
22 GRB 980313 gB 02 07.4 +42 20           ~ 2 0
23 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
24 PSR B0329+54 Psr 03 32 59.3370698592 +54 34 45.028206408           ~ 690 1
25 NVSS J042355+415003 BLL 04 23 56.00979158 +41 50 02.7129362   19   19.2   ~ 123 1
26 2C 396 QSO 04 32 36.50262174 +41 38 28.4497778     20.0     ~ 231 1
27 GRB 991216 gB 05 09 31.2983 +11 17 07.262           ~ 430 0
28 PSR B0525-66 Psr 05 26 00.7 -66 04 35           ~ 569 1
29 PSR B0655+64 Psr 07 00 37.802 +64 18 11.20           ~ 250 1
30 V* YZ CMi PM* 07 44 40.1723046464 +03 33 08.875227574 13.761 12.831 11.225 9.958 8.263 M4.0Ve 957 0
31 V* AD Leo PM* 10 19 36.2808181226 +19 52 12.010446571   10.82 9.52 9.19   dM3 1469 1
32 WJN J1043+4130 Rad 10 43 06 +41 00.0           ~ 4 0
33 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 910 0
34 GRB 080319B gB 14 31 41.04 +36 18 09.2           ~ 508 0
35 V* V818 Sco LXB 16 19 55.0692669024 -15 38 25.017666540 11.60 12.40 11.1     Oev 1730 0
36 PSR J1745-3009 Rad 17 45 05 -30 09.9           ~ 63 0
37 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
38 PSR J1808-2024 Psr 18 08 39.32 -20 24 40.1           ~ 1316 2
39 ICRF J181926.5+384501 SyG 18 19 26.54735971 +38 45 01.7860362           ~ 125 1
40 GBS 1900+14 gB 19 07 13 +09 19.6           ~ 906 0
41 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2810 0
42 PSR B1919+21 Psr 19 21 44.815 +21 53 02.25           ~ 411 0
43 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4590 0
44 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 2035 2

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