Exposure
ID
GRAVI.2025-11-19T06:25:42.307_1
Header ID
GRAVI.2025-11-19T06:25:42.307
Date updated
2025-11-19 06:50:59 UTC+0000
Release date
2026-11-19 06:50:59 UTC+0000
UTC Start
2025-11-19 06:25:42.307
UTC End
2025-11-19 06:28:22.307
MJD Start
60998.26785077
MJD End
60998.26970262185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00544
Ambient temperature (°C)
13.6
Seeing (arcsec)
1.12
Observation
ID
71810
Category
science
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
53310
Name
lam_Vel
RA
136.995735
DEC
-43.43251
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 18.0220 18.2000 117.5000 117.8000
A0-D0 29.3180 29.3920 30.6000 31.4000
A0-C1 15.8840 16.0630 79.6290 80.3630
B2-D0 33.5750 33.5770 358.2000 358.7000
B2-C1 11.1830 11.1840 358.1430 358.6670
D0-C1 22.3920 22.3930 178.1880 178.7130
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60998.26785077
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME lam Vel
HIERARCH ESO INS SOBJ NAME lam_Vel
RA 136.995735
DEC -43.43251
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 216.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 160
HIERARCH ESO ISS PBL12 START 18.022
HIERARCH ESO ISS PBL12 END 18.2
HIERARCH ESO ISS PBLA12 START 117.5
HIERARCH ESO ISS PBLA12 END 117.8
HIERARCH ESO ISS PBL13 START 29.318
HIERARCH ESO ISS PBL13 END 29.392
HIERARCH ESO ISS PBLA13 START 30.6
HIERARCH ESO ISS PBLA13 END 31.4
HIERARCH ESO ISS PBL14 START 15.884
HIERARCH ESO ISS PBL14 END 16.063
HIERARCH ESO ISS PBLA14 START 79.629
HIERARCH ESO ISS PBLA14 END 80.363
HIERARCH ESO ISS PBL23 START 33.575
HIERARCH ESO ISS PBL23 END 33.577
HIERARCH ESO ISS PBLA23 START 358.2
HIERARCH ESO ISS PBLA23 END 358.7
HIERARCH ESO ISS PBL24 START 11.183
HIERARCH ESO ISS PBL24 END 11.184
HIERARCH ESO ISS PBLA24 START 358.143
HIERARCH ESO ISS PBLA24 END 358.667
HIERARCH ESO ISS PBL34 START 22.392
HIERARCH ESO ISS PBL34 END 22.393
HIERARCH ESO ISS PBLA34 START 178.188
HIERARCH ESO ISS PBLA34 END 178.713
HIERARCH ESO ISS AMBI TAU0 START 0.004987
HIERARCH ESO ISS AMBI TAU0 END 0.005893
HIERARCH ESO ISS AMBI TEMP 13.6
HIERARCH ESO ISS AMBI FWHM START 1.16
HIERARCH ESO ISS AMBI FWHM END 1.08