Exposure
ID
GRAVI.2025-11-23T08:14:45.179_1
Header ID
GRAVI.2025-11-23T08:14:45.179
Date updated
2025-11-23 08:25:47 UTC+0000
Release date
2025-11-23 08:14:45 UTC+0000
UTC Start
2025-11-23 08:14:45.179
UTC End
2025-11-23 08:17:57.179
MJD Start
61002.34357846
MJD End
61002.345800682226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004562
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.48
Observation
ID
71842
Category
calibrator
Program ID
116.28P0.001
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 / ERCOLINO / JANIK
Target
ID
53311
Name
eps_Ant
RA
142.308407
DEC
-35.9513
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.0270 45.1790 140.4000 140.7000
A0-D0 30.8360 30.9260 54.4000 55.1000
A0-G1 81.7410 82.2320 101.5290 102.0040
B5-D0 52.7390 52.7480 356.0000 356.4000
B5-G1 54.5440 54.7920 70.3500 70.9870
D0-G1 64.8130 65.1440 121.9280 122.2900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61002.34357846
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Ant
HIERARCH ESO INS SOBJ NAME eps_Ant
RA 142.308407
DEC -35.9513
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 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 45.027
HIERARCH ESO ISS PBL12 END 45.179
HIERARCH ESO ISS PBLA12 START 140.4
HIERARCH ESO ISS PBLA12 END 140.7
HIERARCH ESO ISS PBL13 START 30.836
HIERARCH ESO ISS PBL13 END 30.926
HIERARCH ESO ISS PBLA13 START 54.4
HIERARCH ESO ISS PBLA13 END 55.1
HIERARCH ESO ISS PBL14 START 81.741
HIERARCH ESO ISS PBL14 END 82.232
HIERARCH ESO ISS PBLA14 START 101.529
HIERARCH ESO ISS PBLA14 END 102.004
HIERARCH ESO ISS PBL23 START 52.739
HIERARCH ESO ISS PBL23 END 52.748
HIERARCH ESO ISS PBLA23 START 356.0
HIERARCH ESO ISS PBLA23 END 356.4
HIERARCH ESO ISS PBL24 START 54.544
HIERARCH ESO ISS PBL24 END 54.792
HIERARCH ESO ISS PBLA24 START 70.35
HIERARCH ESO ISS PBLA24 END 70.987
HIERARCH ESO ISS PBL34 START 64.813
HIERARCH ESO ISS PBL34 END 65.144
HIERARCH ESO ISS PBLA34 START 121.928
HIERARCH ESO ISS PBLA34 END 122.29
HIERARCH ESO ISS AMBI TAU0 START 0.004516
HIERARCH ESO ISS AMBI TAU0 END 0.004608
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.47