National Aeronautics and Space Administration

Marshall Space Flight Center

Hinode (Solar-B)

Hinode (Solar-B)

News Archive - 2012

2012 Dec 17:

XPOW: Long-Duration B-Flare from AR 11598

2012 Dec 10:

XPOW: Sweeping Active Region Jet

2012 Dec 03:

SOT POD: Condensing Rain

2012 Nov 29:

SOT POD: Symmetry and Asymmetry

2012 Nov 29:

SOT POD: Full Color

2012 Nov 29:

SOT POD: Magnetic Network

2012 Nov 29:

SOT POD: SOT Flare Observing

2012 Nov 28:

XPOW: X-Ray Bokeh

2012 Nov:

EIS Nugget: Episodic Chromospheric Evaporation in Flare Loop Strands Observed with EIS...

2012 Nov 21:

XPOW: Rolling Void in AR 11563

2012 Nov 14:

XPOW: Solar Eclipse of November, 2012

2012 Nov 9:

XRT News: Wired Science features XRT's 5-year synoptics movie...

2012 Oct 31:

XPOW: Massive Filament Eruption from 2012/08/31

2012 Oct:

EIS Nugget: Non-thermal response of the corona to the magnetic flux dispersal in the photosphere of a decaying active region...

2012 Oct 18:

XPOW: C-flare on Sept 27, 2012 (Filament Eruption)

2012 Oct 3:

XRT News: Highlighted monthly XRT science papers. A PDF summary of the highlights is available.

"Observations and Magnetic Field Modeling of a Solar Polar Crown Prominence"
Su & van Ballegooijen 2012, ApJ, 757, 168

"The Cold Shoulder: Emission Measure Distributions of Active Region Cores"
Schmelz & Pathak 2012, ApJ, 756, 126

"X-ray emitting hot plasma in solar active regions observed by the SphinX spectrometer"
Miceli et al. 2012, A&A , 544, 139

"SphinX Measurements of the 2009 Solar Minimum X-Ray Emission"
Sylwester et al. 2012, ApJ, 751, 111

"On the Nature and Genesis of EUV Waves: A Synthesis of Observations from SOHO, STEREO, SDO, and Hinode (Invited Review)"
(Invited Review, The Sun 360) Patsourakos & Vourlidas 2012, Solar Physics, Online First, May 2012

"Asymmetric Magnetic Reconnection in Solar Flare and Coronal Mass Ejection Current Sheets"
Murphy et al. 2012, ApJ, 751, 56

"Sigmoidal Active Region on the Sun: Comparison of a Magnetohydrodynamical Simulation and a Nonlinear Force-free Field Model"
Savcheva et al. 2012, ApJ, 750, 15

2012 Sep 25:

XPOW: Synoptics Surrounding Sympathetic Filament Eruptions

2012 Sep 15:

XPOW: 5.5 Years of XRT Synoptic Observations

2012 Sep:

EIS Nugget: Plasma outflows from active regions: are they sources of the slow solar wind?

2012 Aug 31:

XPOW: Beautiful Candle Flame Cusp on the Limb

2012 Aug 27:

XPOW: Filament Eruption with Supra-Arcade Downflows

2012 Aug 14:

EIS News: Hinode scientists' stellar effort keeps Sun mission 'burning bright'

2012 Jul 31:

XPOW: X1.4 Flare of July 12, 2012

2012 Jul 24:

XPOW: July Fireworks

2012 Jul 9:

XPOW: High Cadence Flare Response with Long/Short Exposure Composites

2012 Jul 2:

XPOW: The Emergence of Active Region 11512

2012 Jul 2:

EIS News: New light shed on explosive solar activity

2012 Jul:

EIS Nugget: Venus Transit 2012

2012 Jun 19:

XPOW: Eruptive Flare with High-Cadence Response (2012/04/30)

2012 Jun 7:

XPOW: The Transit of Venus

2012 Jun:

EIS Nugget: True shape of a loop

2012 May 30:

XPOW: Wandering Field Lines During Filament Eruption

2012 May 21:

XPOW: Solar Eclipse of May 20th, 2012

2012 May 21:

SOT POD: Moon crossing field of view: The moon crosses the SOT field of view in this movie taken on May 20, 2012 from 23:00-23:07 UT.

2012 May:

EIS Nugget: Blinkers: what is their true nature?

2012 Apr 19:

Hinode Science Center News: Polar Field Reversal as observed with Hinode

2012 Apr 18:

XPOW: Supra-Arcade Downflows After Long Duration B-Flare

2012 Apr 11:

XPOW: Hot Non-Potential Core in AR 11433

2012 Apr 3:

XPOW: X-Points, Loop Expansions, and Cusp Loops

2012 Apr:

EIS Nugget: How line widths depend on temperature as well as location

2012 Mar 27:

XPOW: Possible Slip-Running Reconnection on 2012/03/25

2012 Mar 19:

XPOW: X-Ray Jet on 2012/03/16

2012 Mar 19:

XRT News: Highlighted monthly XRT science papers. A PDF summary of the highlights is available.

"Field Topology Analysis of a Long-lasting Coronal Sigmoid"
Savcheva, van Ballegooijen & DeLuca 2012, ApJ, 744, 78

"Sigmoidal Active Region on the Sun: Comparison of a Magnetohydrodynamical Simulation and a Non-Linear Force-Free Field Model"
Savcheva, Pariat, van Ballegooijen, Aulanier, & DeLuca 2012, ApJ, in press.

2012 Mar 7:

XPOW: Three X-Flares in Two Days from AR 11429

2012 Mar:

EIS Nugget: Interaction beteen EIT wave and upflow region

2012 Feb 21:

Conference Announcement: The Hinode 6th Science Meeting will be held in St. Andrews, Scotland, on August 13--17, 2012. The deadline for abstract submission is 30 June 2012. The deadline for registration is 30 June 2012.

2012 Feb 10:

XPOW: Supra-Arcade Downflows Post X-Flare (2012/01/27)

2012 Feb 7:

XRT News: XRT makes it to NASA Image of the Day! -- Hinode/XRT caught a large flare on the limb of the Sun, and one of our images was featured as the NASA Image of the Day for 2012-February-7.

2012 Feb 6:

XRT News: Highlighted monthly XRT science papers. A PDF summary of the highlights is available.

"Thermal Properties of a Solar Coronal Cavity Observed with the X-Ray Telescope on Hinode"
Reeves et. al 2012, ApJ, 746, 146

"Clear Detection of Chromospheric Evaporation Upflows with High Spatial/Temporal Resolution by Hinode XRT"
Nitta et. al 2011, Solar Phys., 276, 183

"Lateral Offset of the Coronal Mass Ejections from the X-flare of 2006 December 13 and Its Two Precursor Eruptions"
Sterling et. al 2011, ApJ, 743, 63

2012 Feb:

EIS Nugget: The EIS flare catalogue 1 year anniversary

2012 Jan 25:

XPOW: Highly Flare Productive AR Complex - 2012/01/22 Synoptic

2012 Jan 21:

SOT POD: Active regions: During the autumn of 2011, several regions of magnetic activity cropped up on the Sun. Hinode SOT observed in them as they crossed the solar disk. Shown here is a sampling of observations of NOAA regions numbered from 11243 to 11302. Solar Cycle 24 roared off to a late start.

2012 Jan 18:

XPOW: Can you spot Comet Lovejoy?

2012 Jan 16:

SOT POD: Comet Lovejoy: The Solar Optical Telescope (SOT) on Hinode ran a special observing program to take images of Comet Lovejoy as it approached the Sun early on 16 December 2011. The comet is visible in 2 images taken 30 seconds apart, before it vanished in the glare of scattered light from the solar disk. When visible, the peak surface brightness of the comet nucleus was about 100 times fainter than the solar surface just inside the limb (edge) of the Sun. SOT was designed to look directly at the bright solar surface in visible light, and it is not safe to point the telescope off the limb. Therefore the long-exposure SOT images, in which the comet is visible, are severly saturated on the disk and show scattered light brighter than the comet above the surface. Scattered light has been carefully subtracted in the images described below, and a short-exposure image of the Sun's surface taken at the same time has been inserted to replace the overexposed disk. All of these images are taken in yellow light, near the Sodium D line at 589.6 nm. The long exposures are 1.02 seconds, the short are 0.30 seconds (normal exposures for observing the magnetic fields on the Sun are 0.1 or 0.2 seconds). All have pixel sizes of 0.16 arcseconds or about 115 km at the Sun; the resolution of the SOT in this mode is about 2 pixels or 230 km at the Sun.

The image at 00:05:12 UT (hinode_sot_comet_20111216_000512.jpg) shows the comet just entering the SOT field of view. It is 1728x1024 pixels or 200,000 x 120,000 km in size. The comet has been increased in brightness by about a factor of 200, to make it easily visible along with the disk of the Sun. The image at 00:05:42 UT (hinode_sot_comet_20111216_000542.jpg) is the same size. The comet has been increased in brightness by about a factor of 250. The comet only images (hinode_sot_comet_only_20111216_000512.jpg and hinode_sot_comet_only_20111216_000542.jpg) show just the comet at each of the above times, at the original signal level measured by the camera (after scattered light subtraction). The images are 128x128 pixels or 15,000 km square. In the earlier image, the coma, the glowing cloud surrounding the nuclues, is resolved in size at about 700 km diameter and nearly round, and only a faint tail is visible; peak brightness is about 40 DN. In the later image, the coma is about the same size, fainter with peak brightness of 20 DN. A long (~2500 km) somewhat irregular tail is clearly visible. In the 30 seconds between these 2 images, the comet traveled ~130 pixels or 15,000 km on the plane of the sky. This means that during each 1-second exposure, the comet moved about 500 km or 4.3 pixels; this causes some elongation of the image of the coma and tail in the direction of motion.

(Note: the thumbnail image is from 12/16/2011 at 00:05:42 UT. Additional images are available here.)

2012 Jan 16:

SOT POD: Complex Active Region 11363: NOAA Active Region 11363 crossed the solar disk in early December 2011. It was one of the largest regions to appear to date in the current solar cycle. The region was characterized by two large sunspots, leading and trailing, with several smaller pores in between. In spite of its size and complexity, 11363 produced very few flare events. The image shows the region in Calcium H on December 6, 2011 at 10:01:31 UT.

2012 Jan 16:

SOT POD: Long limb prominence: SOT caught the southern-most end of a long prominence on the limb of the sun November 22, 2011. This image is actually a difference of two Hydrogen alpha images, one taken near line center and the other in the blue wing of the spectral line. The images were taken 5 seconds apart at 03:11:51 UT and 03:11:46 UT.

2012 Jan:

EIS Nugget: Spectroscopic Precursor to a CME