Exposure
ID
GRAVI.2025-11-28T06:25:20.069_1
Header ID
GRAVI.2025-11-28T06:25:20.069
Date updated
2025-11-28 06:36:05 UTC+0000
Release date
2025-11-28 06:25:20 UTC+0000
UTC Start
2025-11-28 06:25:20.069
UTC End
2025-11-28 06:28:00.069
MJD Start
61007.26759339
MJD End
61007.26944524186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00583
Ambient temperature (°C)
14.58
Seeing (arcsec)
0.605
Observation
ID
71889
Category
calibrator
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
53370
Name
HD_76304
RA
133.459982
DEC
-40.44753
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 40.9030 41.0860 134.4000 134.7000
A0-J2 111.2750 111.8510 64.1000 64.7000
A0-J6 168.8730 168.8570 5.3030 5.7280
B5-J2 104.8390 105.1000 42.5000 43.2000
B5-J6 197.2520 197.2800 356.0470 356.4050
J2-J6 146.3800 146.8420 324.7520 324.9760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.26759339
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 76304
HIERARCH ESO INS SOBJ NAME HD_76304
RA 133.459982
DEC -40.44753
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 40.903
HIERARCH ESO ISS PBL12 END 41.086
HIERARCH ESO ISS PBLA12 START 134.4
HIERARCH ESO ISS PBLA12 END 134.7
HIERARCH ESO ISS PBL13 START 111.275
HIERARCH ESO ISS PBL13 END 111.851
HIERARCH ESO ISS PBLA13 START 64.1
HIERARCH ESO ISS PBLA13 END 64.7
HIERARCH ESO ISS PBL14 START 168.873
HIERARCH ESO ISS PBL14 END 168.857
HIERARCH ESO ISS PBLA14 START 5.303
HIERARCH ESO ISS PBLA14 END 5.728
HIERARCH ESO ISS PBL23 START 104.839
HIERARCH ESO ISS PBL23 END 105.1
HIERARCH ESO ISS PBLA23 START 42.5
HIERARCH ESO ISS PBLA23 END 43.2
HIERARCH ESO ISS PBL24 START 197.252
HIERARCH ESO ISS PBL24 END 197.28
HIERARCH ESO ISS PBLA24 START 356.047
HIERARCH ESO ISS PBLA24 END 356.405
HIERARCH ESO ISS PBL34 START 146.38
HIERARCH ESO ISS PBL34 END 146.842
HIERARCH ESO ISS PBLA34 START 324.752
HIERARCH ESO ISS PBLA34 END 324.976
HIERARCH ESO ISS AMBI TAU0 START 0.00606
HIERARCH ESO ISS AMBI TAU0 END 0.0056
HIERARCH ESO ISS AMBI TEMP 14.58
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.58