Exposure
ID
GRAVI.2025-11-23T07:30:18.065_1
Header ID
GRAVI.2025-11-23T07:30:18.065
Date updated
2025-11-23 07:41:07 UTC+0000
Release date
2026-11-23 07:41:06 UTC+0000
UTC Start
2025-11-23 07:30:18.065
UTC End
2025-11-23 07:33:30.065
MJD Start
61002.31270909
MJD End
61002.31493131223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0033255
Ambient temperature (°C)
11.91
Seeing (arcsec)
0.8049999999999999
Observation
ID
71841
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 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 37.9690 38.1970 129.7000 130.1000
A0-D0 31.5460 31.5830 44.1000 44.9000
A0-G1 75.7370 76.2190 85.8540 86.6150
B5-D0 47.4570 47.4930 351.2000 351.6000
B5-G1 55.0110 55.1680 57.3190 58.1590
D0-G1 56.2870 56.6970 107.7860 108.3870
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 61002.31270909
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 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 37.969
HIERARCH ESO ISS PBL12 END 38.197
HIERARCH ESO ISS PBLA12 START 129.7
HIERARCH ESO ISS PBLA12 END 130.1
HIERARCH ESO ISS PBL13 START 31.546
HIERARCH ESO ISS PBL13 END 31.583
HIERARCH ESO ISS PBLA13 START 44.1
HIERARCH ESO ISS PBLA13 END 44.9
HIERARCH ESO ISS PBL14 START 75.737
HIERARCH ESO ISS PBL14 END 76.219
HIERARCH ESO ISS PBLA14 START 85.854
HIERARCH ESO ISS PBLA14 END 86.615
HIERARCH ESO ISS PBL23 START 47.457
HIERARCH ESO ISS PBL23 END 47.493
HIERARCH ESO ISS PBLA23 START 351.2
HIERARCH ESO ISS PBLA23 END 351.6
HIERARCH ESO ISS PBL24 START 55.011
HIERARCH ESO ISS PBL24 END 55.168
HIERARCH ESO ISS PBLA24 START 57.319
HIERARCH ESO ISS PBLA24 END 58.159
HIERARCH ESO ISS PBL34 START 56.287
HIERARCH ESO ISS PBL34 END 56.697
HIERARCH ESO ISS PBLA34 START 107.786
HIERARCH ESO ISS PBLA34 END 108.387
HIERARCH ESO ISS AMBI TAU0 START 0.002985
HIERARCH ESO ISS AMBI TAU0 END 0.003666
HIERARCH ESO ISS AMBI TEMP 11.91
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.77