Exposure
ID
GRAVI.2025-11-19T06:21:48.296_1
Header ID
GRAVI.2025-11-19T06:21:48.296
Date updated
2025-11-19 06:46:21 UTC+0000
Release date
2026-11-19 06:46:21 UTC+0000
UTC Start
2025-11-19 06:21:48.296
UTC End
2025-11-19 06:24:28.296
MJD Start
60998.26514232
MJD End
60998.266994171856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0050635
Ambient temperature (°C)
13.59
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 17.8250 18.0050 117.1000 117.5000
A0-D0 29.2370 29.3110 29.6000 30.5000
A0-C1 15.6860 15.8670 78.8180 79.5610
B2-D0 33.5730 33.5750 357.6000 358.1000
B2-C1 11.1830 11.1830 357.5730 358.0940
D0-C1 22.3910 22.3920 177.6170 178.1390
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 60998.26514232
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 17.825
HIERARCH ESO ISS PBL12 END 18.005
HIERARCH ESO ISS PBLA12 START 117.1
HIERARCH ESO ISS PBLA12 END 117.5
HIERARCH ESO ISS PBL13 START 29.237
HIERARCH ESO ISS PBL13 END 29.311
HIERARCH ESO ISS PBLA13 START 29.6
HIERARCH ESO ISS PBLA13 END 30.5
HIERARCH ESO ISS PBL14 START 15.686
HIERARCH ESO ISS PBL14 END 15.867
HIERARCH ESO ISS PBLA14 START 78.818
HIERARCH ESO ISS PBLA14 END 79.561
HIERARCH ESO ISS PBL23 START 33.573
HIERARCH ESO ISS PBL23 END 33.575
HIERARCH ESO ISS PBLA23 START 357.6
HIERARCH ESO ISS PBLA23 END 358.1
HIERARCH ESO ISS PBL24 START 11.183
HIERARCH ESO ISS PBL24 END 11.183
HIERARCH ESO ISS PBLA24 START 357.573
HIERARCH ESO ISS PBLA24 END 358.094
HIERARCH ESO ISS PBL34 START 22.391
HIERARCH ESO ISS PBL34 END 22.392
HIERARCH ESO ISS PBLA34 START 177.617
HIERARCH ESO ISS PBLA34 END 178.139
HIERARCH ESO ISS AMBI TAU0 START 0.005165
HIERARCH ESO ISS AMBI TAU0 END 0.004962
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.05