Exposure
ID
GRAVI.2025-11-28T06:01:50.010_1
Header ID
GRAVI.2025-11-28T06:01:50.010
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 06:01:50.010
UTC End
2025-11-28 06:04:30.010
MJD Start
61007.25127326
MJD End
61007.253125111856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00521
Ambient temperature (°C)
14.78
Seeing (arcsec)
0.58
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 37.9110 38.1120 129.8000 130.1000
A0-J2 113.7270 114.1790 58.6000 59.3000
A0-J6 165.4650 165.4400 4.1900 4.6260
B5-J2 107.6460 107.8140 39.1000 39.8000
B5-J6 190.0390 190.0910 354.8540 355.2260
J2-J6 135.6760 136.2090 321.2240 321.4920
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 61007.25127326
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 37.911
HIERARCH ESO ISS PBL12 END 38.112
HIERARCH ESO ISS PBLA12 START 129.8
HIERARCH ESO ISS PBLA12 END 130.1
HIERARCH ESO ISS PBL13 START 113.727
HIERARCH ESO ISS PBL13 END 114.179
HIERARCH ESO ISS PBLA13 START 58.6
HIERARCH ESO ISS PBLA13 END 59.3
HIERARCH ESO ISS PBL14 START 165.465
HIERARCH ESO ISS PBL14 END 165.44
HIERARCH ESO ISS PBLA14 START 4.19
HIERARCH ESO ISS PBLA14 END 4.626
HIERARCH ESO ISS PBL23 START 107.646
HIERARCH ESO ISS PBL23 END 107.814
HIERARCH ESO ISS PBLA23 START 39.1
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 190.039
HIERARCH ESO ISS PBL24 END 190.091
HIERARCH ESO ISS PBLA24 START 354.854
HIERARCH ESO ISS PBLA24 END 355.226
HIERARCH ESO ISS PBL34 START 135.676
HIERARCH ESO ISS PBL34 END 136.209
HIERARCH ESO ISS PBLA34 START 321.224
HIERARCH ESO ISS PBLA34 END 321.492
HIERARCH ESO ISS AMBI TAU0 START 0.005126
HIERARCH ESO ISS AMBI TAU0 END 0.005294
HIERARCH ESO ISS AMBI TEMP 14.78
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.59