Exposure
ID
GRAVI.2025-11-28T06:35:17.095_1
Header ID
GRAVI.2025-11-28T06:35:17.095
Date updated
2025-11-28 06:46:20 UTC+0000
Release date
2025-11-28 06:35:17 UTC+0000
UTC Start
2025-11-28 06:35:17.095
UTC End
2025-11-28 06:37:57.095
MJD Start
61007.27450341
MJD End
61007.276355261856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0042185
Ambient temperature (°C)
14.8
Seeing (arcsec)
0.59
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 41.5100 41.6840 135.2000 135.5000
A0-J2 113.1960 113.7520 66.2000 66.8000
A0-J6 168.8140 168.7940 6.7340 7.1580
B5-J2 105.7100 105.9640 44.7000 45.3000
B5-J6 197.3350 197.3540 357.2570 357.6170
J2-J6 147.9110 148.3500 325.5170 325.7500
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 61007.27450341
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 41.51
HIERARCH ESO ISS PBL12 END 41.684
HIERARCH ESO ISS PBLA12 START 135.2
HIERARCH ESO ISS PBLA12 END 135.5
HIERARCH ESO ISS PBL13 START 113.196
HIERARCH ESO ISS PBL13 END 113.752
HIERARCH ESO ISS PBLA13 START 66.2
HIERARCH ESO ISS PBLA13 END 66.8
HIERARCH ESO ISS PBL14 START 168.814
HIERARCH ESO ISS PBL14 END 168.794
HIERARCH ESO ISS PBLA14 START 6.734
HIERARCH ESO ISS PBLA14 END 7.158
HIERARCH ESO ISS PBL23 START 105.71
HIERARCH ESO ISS PBL23 END 105.964
HIERARCH ESO ISS PBLA23 START 44.7
HIERARCH ESO ISS PBLA23 END 45.3
HIERARCH ESO ISS PBL24 START 197.335
HIERARCH ESO ISS PBL24 END 197.354
HIERARCH ESO ISS PBLA24 START 357.257
HIERARCH ESO ISS PBLA24 END 357.617
HIERARCH ESO ISS PBL34 START 147.911
HIERARCH ESO ISS PBL34 END 148.35
HIERARCH ESO ISS PBLA34 START 325.517
HIERARCH ESO ISS PBLA34 END 325.75
HIERARCH ESO ISS AMBI TAU0 START 0.004533
HIERARCH ESO ISS AMBI TAU0 END 0.003904
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59