Exposure
ID
GRAVI.2025-11-28T06:05:08.018_1
Header ID
GRAVI.2025-11-28T06:05:08.018
Date updated
2025-11-28 06:15:53 UTC+0000
Release date
2026-11-28 06:15:52 UTC+0000
UTC Start
2025-11-28 06:05:08.018
UTC End
2025-11-28 06:07:48.018
MJD Start
61007.25356502
MJD End
61007.255416871856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0052295
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.595
Observation
ID
71888
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
53369
Name
V_NW_Vel
RA
129.678783
DEC
-47.78784
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 38.1360 38.3350 130.1000 130.4000
A0-J2 114.2320 114.6800 59.4000 60.0000
A0-J6 165.4370 165.4090 4.6780 5.1130
B5-J2 107.8340 108.0010 39.9000 40.5000
B5-J6 190.0960 190.1430 355.2700 355.6420
J2-J6 136.2720 136.7980 321.5230 321.7930
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 61007.25356502
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V NW Vel
HIERARCH ESO INS SOBJ NAME V_NW_Vel
RA 129.678783
DEC -47.78784
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 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 38.136
HIERARCH ESO ISS PBL12 END 38.335
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 130.4
HIERARCH ESO ISS PBL13 START 114.232
HIERARCH ESO ISS PBL13 END 114.68
HIERARCH ESO ISS PBLA13 START 59.4
HIERARCH ESO ISS PBLA13 END 60.0
HIERARCH ESO ISS PBL14 START 165.437
HIERARCH ESO ISS PBL14 END 165.409
HIERARCH ESO ISS PBLA14 START 4.678
HIERARCH ESO ISS PBLA14 END 5.113
HIERARCH ESO ISS PBL23 START 107.834
HIERARCH ESO ISS PBL23 END 108.001
HIERARCH ESO ISS PBLA23 START 39.9
HIERARCH ESO ISS PBLA23 END 40.5
HIERARCH ESO ISS PBL24 START 190.096
HIERARCH ESO ISS PBL24 END 190.143
HIERARCH ESO ISS PBLA24 START 355.27
HIERARCH ESO ISS PBLA24 END 355.642
HIERARCH ESO ISS PBL34 START 136.272
HIERARCH ESO ISS PBL34 END 136.798
HIERARCH ESO ISS PBLA34 START 321.523
HIERARCH ESO ISS PBLA34 END 321.793
HIERARCH ESO ISS AMBI TAU0 START 0.005294
HIERARCH ESO ISS AMBI TAU0 END 0.005165
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.6