Exposure
ID
GRAVI.2025-11-28T05:12:28.884_1
Header ID
GRAVI.2025-11-28T05:12:28.884
Date updated
2025-11-28 05:26:00 UTC+0000
Release date
2025-11-28 05:12:28 UTC+0000
UTC Start
2025-11-28 05:12:28.884
UTC End
2025-11-28 05:15:08.884
MJD Start
61007.21700097
MJD End
61007.218852821854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007329499999999999
Ambient temperature (°C)
14.84
Seeing (arcsec)
0.52
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 48.6490 48.6400 144.0000 144.1000
A0-J2 117.6650 118.3390 89.4000 89.5000
A0-J6 154.4550 154.6890 14.9580 15.3770
B5-J2 97.9030 98.5300 65.5000 65.7000
B5-J6 188.9130 188.9710 3.4210 3.7940
J2-J6 167.1250 167.0220 332.2630 332.4280
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 61007.21700097
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 48.649
HIERARCH ESO ISS PBL12 END 48.64
HIERARCH ESO ISS PBLA12 START 144.0
HIERARCH ESO ISS PBLA12 END 144.1
HIERARCH ESO ISS PBL13 START 117.665
HIERARCH ESO ISS PBL13 END 118.339
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 154.455
HIERARCH ESO ISS PBL14 END 154.689
HIERARCH ESO ISS PBLA14 START 14.958
HIERARCH ESO ISS PBLA14 END 15.377
HIERARCH ESO ISS PBL23 START 97.903
HIERARCH ESO ISS PBL23 END 98.53
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 188.913
HIERARCH ESO ISS PBL24 END 188.971
HIERARCH ESO ISS PBLA24 START 3.421
HIERARCH ESO ISS PBLA24 END 3.794
HIERARCH ESO ISS PBL34 START 167.125
HIERARCH ESO ISS PBL34 END 167.022
HIERARCH ESO ISS PBLA34 START 332.263
HIERARCH ESO ISS PBLA34 END 332.428
HIERARCH ESO ISS AMBI TAU0 START 0.006804
HIERARCH ESO ISS AMBI TAU0 END 0.007855
HIERARCH ESO ISS AMBI TEMP 14.84
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.47