Exposure
ID
GRAVI.2025-11-28T06:11:47.035_1
Header ID
GRAVI.2025-11-28T06:11:47.035
Date updated
2025-11-28 06:25:51 UTC+0000
Release date
2026-11-28 06:25:51 UTC+0000
UTC Start
2025-11-28 06:11:47.035
UTC End
2025-11-28 06:14:27.035
MJD Start
61007.25818327
MJD End
61007.26003512186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004567
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.645
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 38.5830 38.7760 130.8000 131.1000
A0-J2 115.2430 115.6830 60.9000 61.6000
A0-J6 165.3700 165.3370 5.6630 6.0980
B5-J2 108.2110 108.3750 41.3000 42.0000
B5-J6 190.1960 190.2340 356.1120 356.4850
J2-J6 137.4520 137.9620 322.1370 322.4110
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 61007.25818327
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 38.583
HIERARCH ESO ISS PBL12 END 38.776
HIERARCH ESO ISS PBLA12 START 130.8
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 115.243
HIERARCH ESO ISS PBL13 END 115.683
HIERARCH ESO ISS PBLA13 START 60.9
HIERARCH ESO ISS PBLA13 END 61.6
HIERARCH ESO ISS PBL14 START 165.37
HIERARCH ESO ISS PBL14 END 165.337
HIERARCH ESO ISS PBLA14 START 5.663
HIERARCH ESO ISS PBLA14 END 6.098
HIERARCH ESO ISS PBL23 START 108.211
HIERARCH ESO ISS PBL23 END 108.375
HIERARCH ESO ISS PBLA23 START 41.3
HIERARCH ESO ISS PBLA23 END 42.0
HIERARCH ESO ISS PBL24 START 190.196
HIERARCH ESO ISS PBL24 END 190.234
HIERARCH ESO ISS PBLA24 START 356.112
HIERARCH ESO ISS PBLA24 END 356.485
HIERARCH ESO ISS PBL34 START 137.452
HIERARCH ESO ISS PBL34 END 137.962
HIERARCH ESO ISS PBLA34 START 322.137
HIERARCH ESO ISS PBLA34 END 322.411
HIERARCH ESO ISS AMBI TAU0 START 0.005165
HIERARCH ESO ISS AMBI TAU0 END 0.003969
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.66