Exposure
ID
GRAVI.2025-07-18T08:32:37.920_1
Header ID
GRAVI.2025-07-18T08:32:37.920
Date updated
2025-07-18 08:45:34 UTC+0000
Release date
2026-07-18 08:45:34 UTC+0000
UTC Start
2025-07-18 08:32:37.920
UTC End
2025-07-18 08:35:49.920
MJD Start
60874.35599444
MJD End
60874.35821666222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006035
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.5449999999999999
Observation
ID
68849
Category
science
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
51219
Name
3_Cet
RA
1.123198
DEC
-10.50959
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.5070 90.5040 113.9000 114.0000
A0-J2 128.4150 128.6290 91.4000 91.6000
A0-K0 125.4770 125.8380 69.9250 70.1570
G1-J2 56.5070 56.6830 53.8000 54.1000
G1-K0 87.0440 87.2020 23.7600 24.1660
J2-K0 47.4680 47.4310 347.1910 347.5640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60874.35599444
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 3 Cet
HIERARCH ESO INS SOBJ NAME 3_Cet
RA 1.123198
DEC -10.50959
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 90.507
HIERARCH ESO ISS PBL12 END 90.504
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 114.0
HIERARCH ESO ISS PBL13 START 128.415
HIERARCH ESO ISS PBL13 END 128.629
HIERARCH ESO ISS PBLA13 START 91.4
HIERARCH ESO ISS PBLA13 END 91.6
HIERARCH ESO ISS PBL14 START 125.477
HIERARCH ESO ISS PBL14 END 125.838
HIERARCH ESO ISS PBLA14 START 69.925
HIERARCH ESO ISS PBLA14 END 70.157
HIERARCH ESO ISS PBL23 START 56.507
HIERARCH ESO ISS PBL23 END 56.683
HIERARCH ESO ISS PBLA23 START 53.8
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 87.044
HIERARCH ESO ISS PBL24 END 87.202
HIERARCH ESO ISS PBLA24 START 23.76
HIERARCH ESO ISS PBLA24 END 24.166
HIERARCH ESO ISS PBL34 START 47.468
HIERARCH ESO ISS PBL34 END 47.431
HIERARCH ESO ISS PBLA34 START 347.191
HIERARCH ESO ISS PBLA34 END 347.564
HIERARCH ESO ISS AMBI TAU0 START 0.005742
HIERARCH ESO ISS AMBI TAU0 END 0.006328
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.47