Exposure
ID
GRAVI.2025-11-19T06:09:48.266_1
Header ID
GRAVI.2025-11-19T06:09:48.266
Date updated
2025-11-19 06:25:55 UTC+0000
Release date
2026-11-19 06:25:55 UTC+0000
UTC Start
2025-11-19 06:09:48.266
UTC End
2025-11-19 06:12:28.266
MJD Start
60998.25680863
MJD End
60998.25866048186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005775
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.97
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 17.2040 17.3910 116.1000 116.4000
A0-D0 28.9990 29.0680 26.7000 27.6000
A0-C1 15.0700 15.2550 76.2390 77.0200
B2-D0 33.5620 33.5660 355.9000 356.4000
B2-C1 11.1790 11.1800 355.8260 356.3450
D0-C1 22.3830 22.3860 175.8680 176.3870
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 60998.25680863
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 17.204
HIERARCH ESO ISS PBL12 END 17.391
HIERARCH ESO ISS PBLA12 START 116.1
HIERARCH ESO ISS PBLA12 END 116.4
HIERARCH ESO ISS PBL13 START 28.999
HIERARCH ESO ISS PBL13 END 29.068
HIERARCH ESO ISS PBLA13 START 26.7
HIERARCH ESO ISS PBLA13 END 27.6
HIERARCH ESO ISS PBL14 START 15.07
HIERARCH ESO ISS PBL14 END 15.255
HIERARCH ESO ISS PBLA14 START 76.239
HIERARCH ESO ISS PBLA14 END 77.02
HIERARCH ESO ISS PBL23 START 33.562
HIERARCH ESO ISS PBL23 END 33.566
HIERARCH ESO ISS PBLA23 START 355.9
HIERARCH ESO ISS PBLA23 END 356.4
HIERARCH ESO ISS PBL24 START 11.179
HIERARCH ESO ISS PBL24 END 11.18
HIERARCH ESO ISS PBLA24 START 355.826
HIERARCH ESO ISS PBLA24 END 356.345
HIERARCH ESO ISS PBL34 START 22.383
HIERARCH ESO ISS PBL34 END 22.386
HIERARCH ESO ISS PBLA34 START 175.868
HIERARCH ESO ISS PBLA34 END 176.387
HIERARCH ESO ISS AMBI TAU0 START 0.005775
HIERARCH ESO ISS AMBI TAU0 END 0.005775
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.97