Exposure
ID
MATIS.2025-07-25T06:15:21.391_1
Header ID
MATIS.2025-07-25T06:15:21.391
Date updated
2025-07-25 06:25:51 UTC+0000
Release date
2025-07-25 06:15:21 UTC+0000
UTC Start
2025-07-25 06:15:21.391
UTC End
2025-07-25 06:16:21.399
MJD Start
60881.26066425
MJD End
60881.261358787044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002644
Ambient temperature (°C)
12.15
Seeing (arcsec)
0.64
Observation
ID
68971
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
51196
Name
del Sgr
RA
275.247446
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6110 24.6080 172.6000 172.8000
A0-D0 22.5240 22.4370 95.4000 95.6000
A0-C1 19.4960 19.4750 150.5440 150.7850
B2-D0 29.4400 29.3970 40.8000 40.9000
B2-C1 9.8090 9.7950 40.7890 40.8200
D0-C1 19.6310 19.6030 220.8480 220.8800
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 60881.26066425
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 24.611
HIERARCH ESO ISS PBL12 END 24.608
HIERARCH ESO ISS PBLA12 START 172.6
HIERARCH ESO ISS PBLA12 END 172.8
HIERARCH ESO ISS PBL13 START 22.524
HIERARCH ESO ISS PBL13 END 22.437
HIERARCH ESO ISS PBLA13 START 95.4
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 19.496
HIERARCH ESO ISS PBL14 END 19.475
HIERARCH ESO ISS PBLA14 START 150.544
HIERARCH ESO ISS PBLA14 END 150.785
HIERARCH ESO ISS PBL23 START 29.44
HIERARCH ESO ISS PBL23 END 29.397
HIERARCH ESO ISS PBLA23 START 40.8
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 9.809
HIERARCH ESO ISS PBL24 END 9.795
HIERARCH ESO ISS PBLA24 START 40.789
HIERARCH ESO ISS PBLA24 END 40.82
HIERARCH ESO ISS PBL34 START 19.631
HIERARCH ESO ISS PBL34 END 19.603
HIERARCH ESO ISS PBLA34 START 220.848
HIERARCH ESO ISS PBLA34 END 220.88
HIERARCH ESO ISS AMBI TAU0 START 0.002644
HIERARCH ESO ISS AMBI TAU0 END 0.002644
HIERARCH ESO ISS AMBI TEMP 12.15
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64