Exposure
ID
GRAVI.2025-11-16T06:17:11.518_1
Header ID
GRAVI.2025-11-16T06:17:11.518
Date updated
2025-11-16 06:31:29 UTC+0000
Release date
2026-11-16 06:31:29 UTC+0000
UTC Start
2025-11-16 06:17:11.518
UTC End
2025-11-16 06:20:23.518
MJD Start
60995.26193887
MJD End
60995.26416109222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0032760000000000003
Ambient temperature (°C)
11.64
Seeing (arcsec)
0.5449999999999999
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 23.7330 23.8250 132.5000 132.7000
A0-D0 29.0400 29.1970 54.1000 54.8000
A0-C1 20.1330 20.2760 104.4760 104.7730
B2-D0 33.6090 33.6210 10.4000 10.9000
B2-C1 11.1960 11.2000 10.3270 10.8430
D0-C1 22.4130 22.4210 190.3830 190.9010
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 60995.26193887
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 23.733
HIERARCH ESO ISS PBL12 END 23.825
HIERARCH ESO ISS PBLA12 START 132.5
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 29.04
HIERARCH ESO ISS PBL13 END 29.197
HIERARCH ESO ISS PBLA13 START 54.1
HIERARCH ESO ISS PBLA13 END 54.8
HIERARCH ESO ISS PBL14 START 20.133
HIERARCH ESO ISS PBL14 END 20.276
HIERARCH ESO ISS PBLA14 START 104.476
HIERARCH ESO ISS PBLA14 END 104.773
HIERARCH ESO ISS PBL23 START 33.609
HIERARCH ESO ISS PBL23 END 33.621
HIERARCH ESO ISS PBLA23 START 10.4
HIERARCH ESO ISS PBLA23 END 10.9
HIERARCH ESO ISS PBL24 START 11.196
HIERARCH ESO ISS PBL24 END 11.2
HIERARCH ESO ISS PBLA24 START 10.327
HIERARCH ESO ISS PBLA24 END 10.843
HIERARCH ESO ISS PBL34 START 22.413
HIERARCH ESO ISS PBL34 END 22.421
HIERARCH ESO ISS PBLA34 START 190.383
HIERARCH ESO ISS PBLA34 END 190.901
HIERARCH ESO ISS AMBI TAU0 START 0.003313
HIERARCH ESO ISS AMBI TAU0 END 0.003239
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.58