Exposure
ID
GRAVI.2025-11-29T04:41:07.023_1
Header ID
GRAVI.2025-11-29T04:41:07.023
Date updated
2025-11-29 04:50:54 UTC+0000
Release date
2025-11-29 04:41:07 UTC+0000
UTC Start
2025-11-29 04:41:07.023
UTC End
2025-11-29 04:43:47.023
MJD Start
61008.19522017
MJD End
61008.19707202185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0118725
Ambient temperature (°C)
15.26
Seeing (arcsec)
0.74
Observation
ID
71893
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
48242
Name
HD_57478
RA
110.241635
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.1470 47.2390 141.8000 141.9000
A0-J2 98.4500 99.4760 80.9000 81.2000
A0-J6 158.8960 158.9560 4.4230 4.8740
B5-J2 86.0310 86.7390 52.3000 52.8000
B5-J6 196.2110 196.1620 355.0630 355.4200
J2-J6 166.2240 166.3740 329.2670 329.3630
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 61008.19522017
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241635
DEC -14.36049
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 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 47.147
HIERARCH ESO ISS PBL12 END 47.239
HIERARCH ESO ISS PBLA12 START 141.8
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 98.45
HIERARCH ESO ISS PBL13 END 99.476
HIERARCH ESO ISS PBLA13 START 80.9
HIERARCH ESO ISS PBLA13 END 81.2
HIERARCH ESO ISS PBL14 START 158.896
HIERARCH ESO ISS PBL14 END 158.956
HIERARCH ESO ISS PBLA14 START 4.423
HIERARCH ESO ISS PBLA14 END 4.874
HIERARCH ESO ISS PBL23 START 86.031
HIERARCH ESO ISS PBL23 END 86.739
HIERARCH ESO ISS PBLA23 START 52.3
HIERARCH ESO ISS PBLA23 END 52.8
HIERARCH ESO ISS PBL24 START 196.211
HIERARCH ESO ISS PBL24 END 196.162
HIERARCH ESO ISS PBLA24 START 355.063
HIERARCH ESO ISS PBLA24 END 355.42
HIERARCH ESO ISS PBL34 START 166.224
HIERARCH ESO ISS PBL34 END 166.374
HIERARCH ESO ISS PBLA34 START 329.267
HIERARCH ESO ISS PBLA34 END 329.363
HIERARCH ESO ISS AMBI TAU0 START 0.011607
HIERARCH ESO ISS AMBI TAU0 END 0.012138
HIERARCH ESO ISS AMBI TEMP 15.26
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.73