Exposure
ID
MATIS.2025-06-21T07:55:39.239_1
Header ID
MATIS.2025-06-21T07:55:39.239
Date updated
2025-06-21 08:05:34 UTC+0000
Release date
2025-06-21 07:55:39 UTC+0000
UTC Start
2025-06-21 07:55:39.239
UTC End
2025-06-21 07:56:39.247
MJD Start
60847.33031527
MJD End
60847.33100980704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003873
Ambient temperature (°C)
11.45
Seeing (arcsec)
0.525
Observation
ID
68185
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
50685
Name
del Sgr
RA
275.248725
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.5790 55.4420 296.5000 296.7000
K0-D0 75.6140 75.3850 270.9000 271.0000
K0-J3 56.2690 56.2670 355.1540 355.3030
G2-D0 35.0030 34.9480 227.6000 227.7000
G2-J3 54.8110 54.7030 55.1880 55.2360
D0-J3 89.6280 89.4640 52.2370 52.2820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60847.33031527
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248725
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 55.579
HIERARCH ESO ISS PBL12 END 55.442
HIERARCH ESO ISS PBLA12 START 296.5
HIERARCH ESO ISS PBLA12 END 296.7
HIERARCH ESO ISS PBL13 START 75.614
HIERARCH ESO ISS PBL13 END 75.385
HIERARCH ESO ISS PBLA13 START 270.9
HIERARCH ESO ISS PBLA13 END 271.0
HIERARCH ESO ISS PBL14 START 56.269
HIERARCH ESO ISS PBL14 END 56.267
HIERARCH ESO ISS PBLA14 START 355.154
HIERARCH ESO ISS PBLA14 END 355.303
HIERARCH ESO ISS PBL23 START 35.003
HIERARCH ESO ISS PBL23 END 34.948
HIERARCH ESO ISS PBLA23 START 227.6
HIERARCH ESO ISS PBLA23 END 227.7
HIERARCH ESO ISS PBL24 START 54.811
HIERARCH ESO ISS PBL24 END 54.703
HIERARCH ESO ISS PBLA24 START 55.188
HIERARCH ESO ISS PBLA24 END 55.236
HIERARCH ESO ISS PBL34 START 89.628
HIERARCH ESO ISS PBL34 END 89.464
HIERARCH ESO ISS PBLA34 START 52.237
HIERARCH ESO ISS PBLA34 END 52.282
HIERARCH ESO ISS AMBI TAU0 START 0.003873
HIERARCH ESO ISS AMBI TAU0 END 0.003873
HIERARCH ESO ISS AMBI TEMP 11.45
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.53