Exposure
ID
MATIS.2025-06-25T01:19:49.624_1
Header ID
MATIS.2025-06-25T01:19:49.624
Date updated
2025-06-25 01:30:43 UTC+0000
Release date
2025-06-25 01:19:49 UTC+0000
UTC Start
2025-06-25 01:19:49.624
UTC End
2025-06-25 01:20:49.684
MJD Start
60851.05543546
MJD End
60851.05613059889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001985
Ambient temperature (°C)
7.66
Seeing (arcsec)
1.21
Observation
ID
68243
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
50633
Name
del Sgr
RA
275.247445
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.1650 20.2120 127.6000 127.6000
A0-D0 26.1490 26.1900 34.8000 35.0000
A0-C1 15.6590 15.7220 93.8200 93.9310
B2-D0 33.7850 33.7850 358.2000 358.3000
B2-C1 11.2550 11.2550 358.1540 358.3020
D0-C1 22.5300 22.5300 178.1980 178.3460
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 60851.05543546
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 20.165
HIERARCH ESO ISS PBL12 END 20.212
HIERARCH ESO ISS PBLA12 START 127.6
HIERARCH ESO ISS PBLA12 END 127.6
HIERARCH ESO ISS PBL13 START 26.149
HIERARCH ESO ISS PBL13 END 26.19
HIERARCH ESO ISS PBLA13 START 34.8
HIERARCH ESO ISS PBLA13 END 35.0
HIERARCH ESO ISS PBL14 START 15.659
HIERARCH ESO ISS PBL14 END 15.722
HIERARCH ESO ISS PBLA14 START 93.82
HIERARCH ESO ISS PBLA14 END 93.931
HIERARCH ESO ISS PBL23 START 33.785
HIERARCH ESO ISS PBL23 END 33.785
HIERARCH ESO ISS PBLA23 START 358.2
HIERARCH ESO ISS PBLA23 END 358.3
HIERARCH ESO ISS PBL24 START 11.255
HIERARCH ESO ISS PBL24 END 11.255
HIERARCH ESO ISS PBLA24 START 358.154
HIERARCH ESO ISS PBLA24 END 358.302
HIERARCH ESO ISS PBL34 START 22.53
HIERARCH ESO ISS PBL34 END 22.53
HIERARCH ESO ISS PBLA34 START 178.198
HIERARCH ESO ISS PBLA34 END 178.346
HIERARCH ESO ISS AMBI TAU0 START 0.001985
HIERARCH ESO ISS AMBI TAU0 END 0.001985
HIERARCH ESO ISS AMBI TEMP 7.66
HIERARCH ESO ISS AMBI FWHM START 1.21
HIERARCH ESO ISS AMBI FWHM END 1.21