TSST Full Disk Velocity Maps

The TSST potassium MOF-based channel operate at 769.9 nm, sounding an atmospheric layer about 300–400 km over the solar photosphere. The TSST acquires simultaneously photospheric LoS velocity and magnetic maps with a maximum cadence of 15 s.

References

Dataset summary

internal_name:	unitov_vel_tsst_image
publisher:	University of Rome Tor Vergata
alph_code:	1B
id_tmp:	61
short_name:	TSST-vel
identifier:	aspis:///unitov/vel_tsst_image
dynamic:	data collection grows in time. Bulk size estimated on 1 yr. Cadence: at least one image per day in clear weather conditions (up to 5/8 per day) one image every 5 s for some minutes (<60 minutes) during flares
size:	300GB
format:	.fits
type:	image
records_number:	10
time_start:	2022-09-01
time_stop:	2023-05-01
spatial:	SUN
messenger:	photons
spectral_min:	769.88
spectral_max:	769.92
spectral_units:	nm
observable:	{AR}
latest update:	2024-03-28 05:08:18

Columns specification

progr	column	units	type	description
1	time	UTC	datetime	UTC - datetime - Acquisition time
2	Quality	0-1	float	Quality of the image 0-1 0=bad, 1=OK
3	X_cen	pixel	int	Position of the Solar centre on the X image axis [pixels]
4	Y_cen	pixel	int	Position of the Solar centre on the Y image axis [pixels]
5	R_sun	pixel	int	Radius of the Solar disk [pixels]
6	min	m/s	float	minimum value of the image [ADU]
7	Max	m/s	float	maximum value of the image [ADU]
8	mean	m/s	float	average value of the image [ADU]
9	std	m/s	float	standard deviation value of the image [ADU]
10	B0	deg	float	apparent tilt of the sun’s axis of rotation with respect to the ecliptic [degrees]
11	data_name	char	string	the name of the file with the data
12	prew_name	char	string	the name of the full preview file
13	thumb_name	char	string	the name of the thumbnail file