Exposure
ID
GRAVI.2025-11-19T06:13:45.276_1
Header ID
GRAVI.2025-11-19T06:13:45.276
Date updated
2025-11-19 06:36:09 UTC+0000
Release date
2026-11-19 06:36:09 UTC+0000
UTC Start
2025-11-19 06:13:45.276
UTC End
2025-11-19 06:16:25.276
MJD Start
60998.2595518
MJD End
60998.26140365186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0057955
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.935
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 17.4110 17.5970 116.4000 116.8000
A0-D0 29.0760 29.1470 27.7000 28.5000
A0-C1 15.2750 15.4590 77.1020 77.8750
B2-D0 33.5670 33.5700 356.4000 357.0000
B2-C1 11.1800 11.1810 356.3990 356.9220
D0-C1 22.3860 22.3880 176.4420 176.9660
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 60998.2595518
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 17.411
HIERARCH ESO ISS PBL12 END 17.597
HIERARCH ESO ISS PBLA12 START 116.4
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 29.076
HIERARCH ESO ISS PBL13 END 29.147
HIERARCH ESO ISS PBLA13 START 27.7
HIERARCH ESO ISS PBLA13 END 28.5
HIERARCH ESO ISS PBL14 START 15.275
HIERARCH ESO ISS PBL14 END 15.459
HIERARCH ESO ISS PBLA14 START 77.102
HIERARCH ESO ISS PBLA14 END 77.875
HIERARCH ESO ISS PBL23 START 33.567
HIERARCH ESO ISS PBL23 END 33.57
HIERARCH ESO ISS PBLA23 START 356.4
HIERARCH ESO ISS PBLA23 END 357.0
HIERARCH ESO ISS PBL24 START 11.18
HIERARCH ESO ISS PBL24 END 11.181
HIERARCH ESO ISS PBLA24 START 356.399
HIERARCH ESO ISS PBLA24 END 356.922
HIERARCH ESO ISS PBL34 START 22.386
HIERARCH ESO ISS PBL34 END 22.388
HIERARCH ESO ISS PBLA34 START 176.442
HIERARCH ESO ISS PBLA34 END 176.966
HIERARCH ESO ISS AMBI TAU0 START 0.006002
HIERARCH ESO ISS AMBI TAU0 END 0.005589
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 0.82