Exposure
ID
GRAVI.2025-11-23T08:06:33.158_1
Header ID
GRAVI.2025-11-23T08:06:33.158
Date updated
2025-11-23 08:21:24 UTC+0000
Release date
2025-11-23 08:06:33 UTC+0000
UTC Start
2025-11-23 08:06:33.158
UTC End
2025-11-23 08:09:45.158
MJD Start
61002.33788377
MJD End
61002.340105992225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0042495
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.505
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 44.6760 44.8370 139.7000 140.0000
A0-D0 30.6280 30.7240 52.9000 53.6000
A0-G1 80.6020 81.1240 100.4760 100.9520
B5-D0 52.7170 52.7280 355.1000 355.5000
B5-G1 53.9690 54.2320 68.9150 69.5670
D0-G1 64.0440 64.3970 121.1380 121.4920
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 61002.33788377
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 44.676
HIERARCH ESO ISS PBL12 END 44.837
HIERARCH ESO ISS PBLA12 START 139.7
HIERARCH ESO ISS PBLA12 END 140.0
HIERARCH ESO ISS PBL13 START 30.628
HIERARCH ESO ISS PBL13 END 30.724
HIERARCH ESO ISS PBLA13 START 52.9
HIERARCH ESO ISS PBLA13 END 53.6
HIERARCH ESO ISS PBL14 START 80.602
HIERARCH ESO ISS PBL14 END 81.124
HIERARCH ESO ISS PBLA14 START 100.476
HIERARCH ESO ISS PBLA14 END 100.952
HIERARCH ESO ISS PBL23 START 52.717
HIERARCH ESO ISS PBL23 END 52.728
HIERARCH ESO ISS PBLA23 START 355.1
HIERARCH ESO ISS PBLA23 END 355.5
HIERARCH ESO ISS PBL24 START 53.969
HIERARCH ESO ISS PBL24 END 54.232
HIERARCH ESO ISS PBLA24 START 68.915
HIERARCH ESO ISS PBLA24 END 69.567
HIERARCH ESO ISS PBL34 START 64.044
HIERARCH ESO ISS PBL34 END 64.397
HIERARCH ESO ISS PBLA34 START 121.138
HIERARCH ESO ISS PBLA34 END 121.492
HIERARCH ESO ISS AMBI TAU0 START 0.004056
HIERARCH ESO ISS AMBI TAU0 END 0.004443
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.51