Exposure
ID
GRAVI.2025-11-16T06:00:47.477_1
Header ID
GRAVI.2025-11-16T06:00:47.477
Date updated
2025-11-16 06:12:18 UTC+0000
Release date
2026-11-16 06:12:18 UTC+0000
UTC Start
2025-11-16 06:00:47.477
UTC End
2025-11-16 06:03:59.477
MJD Start
60995.2505495
MJD End
60995.252771722226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0026925
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.575
Observation
ID
71780
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
53288
Name
V_VY_CMa
RA
110.740541
DEC
-25.76754
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 23.2860 23.3920 131.7000 131.9000
A0-D0 28.3100 28.4790 51.2000 51.9000
A0-C1 19.4460 19.6080 103.1730 103.4640
B2-D0 33.5580 33.5690 8.0000 8.6000
B2-C1 11.1790 11.1830 8.0050 8.5320
D0-C1 22.3790 22.3860 188.0600 188.5870
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 60995.2505495
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V VY CMa
HIERARCH ESO INS SOBJ NAME V_VY_CMa
RA 110.740541
DEC -25.76754
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 23.286
HIERARCH ESO ISS PBL12 END 23.392
HIERARCH ESO ISS PBLA12 START 131.7
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 28.31
HIERARCH ESO ISS PBL13 END 28.479
HIERARCH ESO ISS PBLA13 START 51.2
HIERARCH ESO ISS PBLA13 END 51.9
HIERARCH ESO ISS PBL14 START 19.446
HIERARCH ESO ISS PBL14 END 19.608
HIERARCH ESO ISS PBLA14 START 103.173
HIERARCH ESO ISS PBLA14 END 103.464
HIERARCH ESO ISS PBL23 START 33.558
HIERARCH ESO ISS PBL23 END 33.569
HIERARCH ESO ISS PBLA23 START 8.0
HIERARCH ESO ISS PBLA23 END 8.6
HIERARCH ESO ISS PBL24 START 11.179
HIERARCH ESO ISS PBL24 END 11.183
HIERARCH ESO ISS PBLA24 START 8.005
HIERARCH ESO ISS PBLA24 END 8.532
HIERARCH ESO ISS PBL34 START 22.379
HIERARCH ESO ISS PBL34 END 22.386
HIERARCH ESO ISS PBLA34 START 188.06
HIERARCH ESO ISS PBLA34 END 188.587
HIERARCH ESO ISS AMBI TAU0 START 0.002548
HIERARCH ESO ISS AMBI TAU0 END 0.002837
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.57