From maxiweb at maxi.riken.jp  Tue Jan 16 22:21:36 2018
From: maxiweb at maxi.riken.jp (maxiweb at maxi.riken.jp)
Date: Tue, 16 Jan 2018 22:21:36 +0900
Subject: [AGN:26] Mrk 421
Message-ID: <20180116132136.EC762604DC23@maxi.riken.jp>

Mrk 421 is exhibiting one of the brightest flares with more than 100
mCrab (H. Negoro).

=====================
MAXI transient alert
2018-01-12 17:18:45 UT
=====================

[Ground Trigger ID]
ID          :  8130552449

[Count Weighted Position]
RA,Dec: (165.926,  38.228)
Galac.: (179.903,  64.895)
Eclip.: (151.055,  29.455)

[Triggered Criteria]
S  :  1s, 10s, 4d
M  :  4d

[Highest Significance]
DPTC  : 1199812725
UT    : 2018/01/12 17:18:45
on    : 4d (Med-band)
sigma : 2.3

[Observed flux]
S :     32 +-    11 mCrab
L :     27 +-    11 mCrab
M :     44 +-    19 mCrab
H :     72 +-    79 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.15     54.3 (166.11,  38.21)  Mrk 421
2.10     -0.2 (163.78,  37.00)  EL UMa
2.99  unknown (168.13,  35.81)  HD97334B

[Sun/Moon (RA, Dec)]
Sun :  (293.989, -21.615)
Moon:  (243.819, -16.248)
age: 25.33 day

[Latitude/Longitude]
(4.60N, 65.58E)


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For more information:
 http://maxi.riken.jp/alert/novae/8130552449/8130552449.htm

About MAXI data:
 http://maxi.riken.jp/