Exposure
ID
GRAVI.2025-11-21T07:04:08.448_1
Header ID
GRAVI.2025-11-21T07:04:08.448
Date updated
2025-11-21 07:21:03 UTC+0000
Release date
2026-11-21 07:21:03 UTC+0000
UTC Start
2025-11-21 07:04:08.448
UTC End
2025-11-21 07:07:20.448
MJD Start
61000.29454222
MJD End
61000.296764442224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.001967
Ambient temperature (°C)
12.65
Seeing (arcsec)
1.6099999999999999
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 18.3310 18.4870 113.3000 113.8000
A0-D0 31.1780 31.2200 36.5000 37.3000
A0-C1 17.7490 17.8840 78.5780 79.3990
B2-D0 32.3610 32.3550 3.0000 3.6000
B2-C1 10.7780 10.7760 2.9880 3.5470
D0-C1 21.5830 21.5790 183.0380 183.5980
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 61000.29454222
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 18.331
HIERARCH ESO ISS PBL12 END 18.487
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 31.178
HIERARCH ESO ISS PBL13 END 31.22
HIERARCH ESO ISS PBLA13 START 36.5
HIERARCH ESO ISS PBLA13 END 37.3
HIERARCH ESO ISS PBL14 START 17.749
HIERARCH ESO ISS PBL14 END 17.884
HIERARCH ESO ISS PBLA14 START 78.578
HIERARCH ESO ISS PBLA14 END 79.399
HIERARCH ESO ISS PBL23 START 32.361
HIERARCH ESO ISS PBL23 END 32.355
HIERARCH ESO ISS PBLA23 START 3.0
HIERARCH ESO ISS PBLA23 END 3.6
HIERARCH ESO ISS PBL24 START 10.778
HIERARCH ESO ISS PBL24 END 10.776
HIERARCH ESO ISS PBLA24 START 2.988
HIERARCH ESO ISS PBLA24 END 3.547
HIERARCH ESO ISS PBL34 START 21.583
HIERARCH ESO ISS PBL34 END 21.579
HIERARCH ESO ISS PBLA34 START 183.038
HIERARCH ESO ISS PBLA34 END 183.598
HIERARCH ESO ISS AMBI TAU0 START 0.002137
HIERARCH ESO ISS AMBI TAU0 END 0.001797
HIERARCH ESO ISS AMBI TEMP 12.65
HIERARCH ESO ISS AMBI FWHM START 1.7
HIERARCH ESO ISS AMBI FWHM END 1.52