Exposure
ID
GRAVI.2025-11-16T06:09:02.498_1
Header ID
GRAVI.2025-11-16T06:09:02.498
Date updated
2025-11-16 06:21:34 UTC+0000
Release date
2026-11-16 06:21:34 UTC+0000
UTC Start
2025-11-16 06:09:02.498
UTC End
2025-11-16 06:12:14.498
MJD Start
60995.25627891
MJD End
60995.25850113222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.002886
Ambient temperature (°C)
11.73
Seeing (arcsec)
0.595
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 23.5180 23.6170 132.1000 132.3000
A0-D0 28.6830 28.8460 52.7000 53.4000
A0-C1 19.8020 19.9540 103.8250 104.1190
B2-D0 33.5820 33.5940 9.2000 9.7000
B2-C1 11.1870 11.1910 9.1790 9.6990
D0-C1 22.3950 22.4030 189.2350 189.7560
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 60995.25627891
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 23.518
HIERARCH ESO ISS PBL12 END 23.617
HIERARCH ESO ISS PBLA12 START 132.1
HIERARCH ESO ISS PBLA12 END 132.3
HIERARCH ESO ISS PBL13 START 28.683
HIERARCH ESO ISS PBL13 END 28.846
HIERARCH ESO ISS PBLA13 START 52.7
HIERARCH ESO ISS PBLA13 END 53.4
HIERARCH ESO ISS PBL14 START 19.802
HIERARCH ESO ISS PBL14 END 19.954
HIERARCH ESO ISS PBLA14 START 103.825
HIERARCH ESO ISS PBLA14 END 104.119
HIERARCH ESO ISS PBL23 START 33.582
HIERARCH ESO ISS PBL23 END 33.594
HIERARCH ESO ISS PBLA23 START 9.2
HIERARCH ESO ISS PBLA23 END 9.7
HIERARCH ESO ISS PBL24 START 11.187
HIERARCH ESO ISS PBL24 END 11.191
HIERARCH ESO ISS PBLA24 START 9.179
HIERARCH ESO ISS PBLA24 END 9.699
HIERARCH ESO ISS PBL34 START 22.395
HIERARCH ESO ISS PBL34 END 22.403
HIERARCH ESO ISS PBLA34 START 189.235
HIERARCH ESO ISS PBLA34 END 189.756
HIERARCH ESO ISS AMBI TAU0 START 0.002664
HIERARCH ESO ISS AMBI TAU0 END 0.003108
HIERARCH ESO ISS AMBI TEMP 11.73
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.59