Exposure
ID
GRAVI.2025-11-21T06:55:56.427_1
Header ID
GRAVI.2025-11-21T06:55:56.427
Date updated
2025-11-21 07:10:52 UTC+0000
Release date
2026-11-21 07:10:52 UTC+0000
UTC Start
2025-11-21 06:55:56.427
UTC End
2025-11-21 06:59:08.427
MJD Start
61000.28884754
MJD End
61000.29106976223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.001609
Ambient temperature (°C)
12.29
Seeing (arcsec)
1.625
Observation
ID
71817
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
53316
Name
V_WY_Vel
RA
140.492676
DEC
-52.56432
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 17.9770 18.1380 112.1000 112.7000
A0-D0 31.0840 31.1270 34.6000 35.5000
A0-C1 17.4470 17.5840 76.7290 77.5680
B2-D0 32.3700 32.3660 1.8000 2.3000
B2-C1 10.7810 10.7800 1.7470 2.3070
D0-C1 21.5890 21.5870 181.7960 182.3570
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 61000.28884754
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V WY Vel
HIERARCH ESO INS SOBJ NAME V_WY_Vel
RA 140.492676
DEC -52.56432
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 17.977
HIERARCH ESO ISS PBL12 END 18.138
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 31.084
HIERARCH ESO ISS PBL13 END 31.127
HIERARCH ESO ISS PBLA13 START 34.6
HIERARCH ESO ISS PBLA13 END 35.5
HIERARCH ESO ISS PBL14 START 17.447
HIERARCH ESO ISS PBL14 END 17.584
HIERARCH ESO ISS PBLA14 START 76.729
HIERARCH ESO ISS PBLA14 END 77.568
HIERARCH ESO ISS PBL23 START 32.37
HIERARCH ESO ISS PBL23 END 32.366
HIERARCH ESO ISS PBLA23 START 1.8
HIERARCH ESO ISS PBLA23 END 2.3
HIERARCH ESO ISS PBL24 START 10.781
HIERARCH ESO ISS PBL24 END 10.78
HIERARCH ESO ISS PBLA24 START 1.747
HIERARCH ESO ISS PBLA24 END 2.307
HIERARCH ESO ISS PBL34 START 21.589
HIERARCH ESO ISS PBL34 END 21.587
HIERARCH ESO ISS PBLA34 START 181.796
HIERARCH ESO ISS PBLA34 END 182.357
HIERARCH ESO ISS AMBI TAU0 START 0.00129
HIERARCH ESO ISS AMBI TAU0 END 0.001928
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 2.07
HIERARCH ESO ISS AMBI FWHM END 1.18