Exposure
ID
GRAVI.2025-11-29T03:40:27.869_1
Header ID
GRAVI.2025-11-29T03:40:27.869
Date updated
2025-11-29 03:51:12 UTC+0000
Release date
2025-11-29 03:40:27 UTC+0000
UTC Start
2025-11-29 03:40:27.869
UTC End
2025-11-29 03:43:07.869
MJD Start
61008.15310033
MJD End
61008.15495218185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0090015
Ambient temperature (°C)
15.54
Seeing (arcsec)
0.74
Observation
ID
71886
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
53367
Name
HD_48016
RA
100.256577
DEC
-7.57262
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 47.5820 47.6600 142.8000 142.7000
A0-J2 89.3130 90.4970 85.7000 85.9000
A0-J6 150.3740 150.4010 1.2760 1.7570
B5-J2 74.9210 75.7770 53.5000 54.1000
B5-J6 189.9240 189.8100 352.3000 352.6600
J2-J6 167.3190 167.4130 329.1900 329.2340
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 61008.15310033
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 48016
HIERARCH ESO INS SOBJ NAME HD_48016
RA 100.256577
DEC -7.57262
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 47.582
HIERARCH ESO ISS PBL12 END 47.66
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 89.313
HIERARCH ESO ISS PBL13 END 90.497
HIERARCH ESO ISS PBLA13 START 85.7
HIERARCH ESO ISS PBLA13 END 85.9
HIERARCH ESO ISS PBL14 START 150.374
HIERARCH ESO ISS PBL14 END 150.401
HIERARCH ESO ISS PBLA14 START 1.276
HIERARCH ESO ISS PBLA14 END 1.757
HIERARCH ESO ISS PBL23 START 74.921
HIERARCH ESO ISS PBL23 END 75.777
HIERARCH ESO ISS PBLA23 START 53.5
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 189.924
HIERARCH ESO ISS PBL24 END 189.81
HIERARCH ESO ISS PBLA24 START 352.3
HIERARCH ESO ISS PBLA24 END 352.66
HIERARCH ESO ISS PBL34 START 167.319
HIERARCH ESO ISS PBL34 END 167.413
HIERARCH ESO ISS PBLA34 START 329.19
HIERARCH ESO ISS PBLA34 END 329.234
HIERARCH ESO ISS AMBI TAU0 START 0.009593
HIERARCH ESO ISS AMBI TAU0 END 0.00841
HIERARCH ESO ISS AMBI TEMP 15.54
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.76