Exposure
ID
GRAVI.2025-11-21T07:38:02.534_1
Header ID
GRAVI.2025-11-21T07:38:02.534
Date updated
2025-11-21 07:50:55 UTC+0000
Release date
2025-11-21 07:38:02 UTC+0000
UTC Start
2025-11-21 07:38:02.534
UTC End
2025-11-21 07:41:14.534
MJD Start
61000.31808489
MJD End
61000.320307112226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0019675
Ambient temperature (°C)
12.59
Seeing (arcsec)
1.445
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 21.6790 21.8130 127.2000 127.4000
A0-D0 29.5770 29.6910 45.8000 46.6000
A0-C1 18.6790 18.8440 95.7410 96.2340
B2-D0 33.9240 33.9230 6.7000 7.2000
B2-C1 11.3000 11.3000 6.6400 7.1670
D0-C1 22.6240 22.6230 186.6930 187.2200
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 61000.31808489
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 21.679
HIERARCH ESO ISS PBL12 END 21.813
HIERARCH ESO ISS PBLA12 START 127.2
HIERARCH ESO ISS PBLA12 END 127.4
HIERARCH ESO ISS PBL13 START 29.577
HIERARCH ESO ISS PBL13 END 29.691
HIERARCH ESO ISS PBLA13 START 45.8
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 18.679
HIERARCH ESO ISS PBL14 END 18.844
HIERARCH ESO ISS PBLA14 START 95.741
HIERARCH ESO ISS PBLA14 END 96.234
HIERARCH ESO ISS PBL23 START 33.924
HIERARCH ESO ISS PBL23 END 33.923
HIERARCH ESO ISS PBLA23 START 6.7
HIERARCH ESO ISS PBLA23 END 7.2
HIERARCH ESO ISS PBL24 START 11.3
HIERARCH ESO ISS PBL24 END 11.3
HIERARCH ESO ISS PBLA24 START 6.64
HIERARCH ESO ISS PBLA24 END 7.167
HIERARCH ESO ISS PBL34 START 22.624
HIERARCH ESO ISS PBL34 END 22.623
HIERARCH ESO ISS PBLA34 START 186.693
HIERARCH ESO ISS PBLA34 END 187.22
HIERARCH ESO ISS AMBI TAU0 START 0.001583
HIERARCH ESO ISS AMBI TAU0 END 0.002352
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 1.35
HIERARCH ESO ISS AMBI FWHM END 1.54