Exposure
ID
GRAVI.2025-11-21T07:29:44.514_1
Header ID
GRAVI.2025-11-21T07:29:44.514
Date updated
2025-11-21 07:41:41 UTC+0000
Release date
2025-11-21 07:29:44 UTC+0000
UTC Start
2025-11-21 07:29:44.514
UTC End
2025-11-21 07:32:56.514
MJD Start
61000.31232076
MJD End
61000.314542982225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0014889999999999999
Ambient temperature (°C)
12.45
Seeing (arcsec)
1.52
Observation
ID
71811
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.3670 21.5080 126.6000 126.8000
A0-D0 29.3180 29.4340 44.1000 44.9000
A0-C1 18.2990 18.4700 94.6260 95.1240
B2-D0 33.9270 33.9260 5.5000 6.0000
B2-C1 11.3010 11.3010 5.4570 5.9840
D0-C1 22.6250 22.6250 185.5080 186.0360
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 61000.31232076
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 21.367
HIERARCH ESO ISS PBL12 END 21.508
HIERARCH ESO ISS PBLA12 START 126.6
HIERARCH ESO ISS PBLA12 END 126.8
HIERARCH ESO ISS PBL13 START 29.318
HIERARCH ESO ISS PBL13 END 29.434
HIERARCH ESO ISS PBLA13 START 44.1
HIERARCH ESO ISS PBLA13 END 44.9
HIERARCH ESO ISS PBL14 START 18.299
HIERARCH ESO ISS PBL14 END 18.47
HIERARCH ESO ISS PBLA14 START 94.626
HIERARCH ESO ISS PBLA14 END 95.124
HIERARCH ESO ISS PBL23 START 33.927
HIERARCH ESO ISS PBL23 END 33.926
HIERARCH ESO ISS PBLA23 START 5.5
HIERARCH ESO ISS PBLA23 END 6.0
HIERARCH ESO ISS PBL24 START 11.301
HIERARCH ESO ISS PBL24 END 11.301
HIERARCH ESO ISS PBLA24 START 5.457
HIERARCH ESO ISS PBLA24 END 5.984
HIERARCH ESO ISS PBL34 START 22.625
HIERARCH ESO ISS PBL34 END 22.625
HIERARCH ESO ISS PBLA34 START 185.508
HIERARCH ESO ISS PBLA34 END 186.036
HIERARCH ESO ISS AMBI TAU0 START 0.001552
HIERARCH ESO ISS AMBI TAU0 END 0.001426
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 1.38
HIERARCH ESO ISS AMBI FWHM END 1.66